fix(ci): preserve playwright node version

.github/actions/setup-bun/action.yml

@@ -9,6 +9,10 @@ inputs:
     description: "Additional flags to pass to 'bun install'"
     required: false
     default: ""
+  node-version:
+    description: "Node version to install"
+    required: false
+    default: "24"
 runs:
   using: "composite"
   steps:
@@ -17,7 +21,7 @@ runs:
     - name: Setup Node
       uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
       with:
-        node-version: "24"
+        node-version: ${{ inputs.node-version }}
 
     - name: Get baseline download URL
       id: bun-url
@@ -45,16 +49,14 @@ runs:
     - name: Get cache directory
       id: cache
       shell: bash
-      run: |
-        echo "dir=$(bun pm cache)" >> "$GITHUB_OUTPUT"
-        echo "version=$(bun --version)" >> "$GITHUB_OUTPUT"
+      run: echo "dir=$(bun pm cache)" >> "$GITHUB_OUTPUT"
 
     - name: Restore Bun dependencies
       id: bun-cache
       uses: actions/cache/restore@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
       with:
         path: ${{ steps.cache.outputs.dir }}
-        key: ${{ runner.os }}-${{ runner.arch }}-bun-${{ steps.cache.outputs.version }}-${{ hashFiles('bun.lock', 'patches/**') }}
+        key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}
 
     - name: Install setuptools for distutils compatibility
       run: python3 -m pip install setuptools || pip install setuptools || true
@@ -77,4 +79,4 @@ runs:
       uses: actions/cache/save@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
       with:
         path: ${{ steps.cache.outputs.dir }}
-        key: ${{ steps.bun-cache.outputs.cache-primary-key }}
+        key: ${{ runner.os }}-bun-${{ hashFiles('**/bun.lock') }}

.github/workflows/check.yml

@@ -7,10 +7,6 @@ on:
     branches: [dev, v2]
   workflow_dispatch:
 
-concurrency:
-  group: ${{ case(github.ref == 'refs/heads/dev', format('{0}-{1}', github.workflow, github.run_id), format('{0}-{1}', github.workflow, github.event.pull_request.number || github.ref)) }}
-  cancel-in-progress: true
-
 jobs:
   check:
     name: typecheck

.github/workflows/test.yml

@@ -73,11 +73,6 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           fetch-depth: 0
 
-      - name: Setup Node
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
-        with:
-          node-version: "24"
-
       - name: Setup Bun
         uses: ./.github/actions/setup-bun
 
@@ -94,6 +89,12 @@ jobs:
           git config --global user.email "bot@opencode.ai"
           git config --global user.name "opencode"
 
+      - name: Install ffmpeg
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get update
+          sudo apt-get install --yes ffmpeg
+
       - name: Cache Turbo
         uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0
         with:
@@ -196,16 +197,12 @@ jobs:
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Setup Node
-        if: env.E2E_ENABLED == 'true'
-        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
-        with:
-          # Playwright 1.59 hangs while extracting Chromium with Node 24.16.
-          node-version: "24.15"
-
       - name: Setup Bun
         if: env.E2E_ENABLED == 'true'
         uses: ./.github/actions/setup-bun
+        with:
+          # Playwright 1.59 hangs while extracting Chromium with Node 24.16.
+          node-version: "24.15"
 
       - name: Read Playwright version
         if: env.E2E_ENABLED == 'true'

bun.lock

@@ -118,7 +118,7 @@
         "opencode2": "./bin/opencode2.cjs",
       },
       "dependencies": {
-        "@agentclientprotocol/sdk": "1.6.0",
+        "@agentclientprotocol/sdk": "1.2.1",
         "@clack/core": "1.0.0-alpha.1",
         "@clack/prompts": "1.0.0-alpha.1",
         "@effect/platform-node": "catalog:",
@@ -1230,7 +1230,7 @@
 
     "@adobe/css-tools": ["@adobe/css-tools@4.5.0", "", {}, "sha512-6OzddxPio9UiWTCemp4N8cYLV2ZN1ncRnV1cVGtve7dhPOtRkleRyx32GQCYSwDYgaHU3USMm84tNsvKzRCa1Q=="],
 
-    "@agentclientprotocol/sdk": ["@agentclientprotocol/sdk@1.6.0", "", { "peerDependencies": { "zod": "^3.25.0 || ^4.0.0" } }, "sha512-XxXrmX7aZkDgOB0Rg9cu+ZFyiUUc5lF2n9seO3Gc4OR+MTdfZOwIqF6m3LvsmmM8K3qgPmXkDH8/IFM2u9vdcQ=="],
+    "@agentclientprotocol/sdk": ["@agentclientprotocol/sdk@1.2.1", "", { "peerDependencies": { "zod": "^3.25.0 || ^4.0.0" } }, "sha512-jwYUdOQR7tc+Zfch53VL4JJyUNK/46q03uUTYb+PjECsmnNl94XFXOfYLJ8RBpMNidXd1rpOAVgb0vqD98xImA=="],
 
     "@ai-sdk/cohere": ["@ai-sdk/cohere@3.0.27", "", { "dependencies": { "@ai-sdk/provider": "3.0.8", "@ai-sdk/provider-utils": "4.0.21" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-OqcCq2PiFY1dbK/0Ck45KuvE8jfdxRuuAE9Y5w46dAk6U+9vPOeg1CDcmR+ncqmrYrhRl3nmyDttyDahyjCzAw=="],
 

nix/hashes.json

@@ -1,7 +1,7 @@
 {
   "nodeModules": {
-    "x86_64-linux": "sha256-g3k0cAFGqzmRYlcIkg1NDvlx1WxHYhnYPL0/a8E+qTg=",
-    "aarch64-linux": "sha256-a+3ymqdxOONGe2Tpq4GUccl1b+Dwzxlb9LFXgE1gZ+0=",
-    "aarch64-darwin": "sha256-h8xIzuMmaWfJqjHCO74xUDCWNKQLFrIGoKYZ+2TauYc="
+    "x86_64-linux": "sha256-yCdtDQsXERjfL9bJg7YXNloMBOPwFkPMFVNAzXlarBM=",
+    "aarch64-linux": "sha256-iQ1bLIszETcFoD4CENpoaDZJZF/KBKZFeTp9r7ogJ9Y=",
+    "aarch64-darwin": "sha256-G7oIrTXEFQ5iEF8KSpA4xJPw9xwqRDpbIR472iIoqC4="
   }
 }

packages/ai/src/cache-policy.ts

@@ -38,7 +38,6 @@ const resolve = (policy: CachePolicy | undefined): CachePolicyObject => {
 // prefix caching, Gemini's implicit + out-of-band CachedContent). Skip the
 // whole policy pass for these — emitting hints would be harmless but pointless.
 const RESPECTS_INLINE_HINTS = new Set([
-  "alibaba-chat",
   "alibaba-messages",
   "anthropic-messages",
   "anthropic-compatible-messages",
@@ -50,18 +49,16 @@ const RESPECTS_INLINE_HINTS = new Set([
   "zai-coding-messages",
   "bedrock-converse",
   "openrouter",
-  "digitalocean",
 ])
 
 // OpenRouter upstreams other than Anthropic and Alibaba Qwen cache without breakpoints. Gemini uses only the last
 // breakpoint, so a conversation-tail breakpoint writes a new cache every step and costs more than none. Qwen ignores
 // breakpoints on tool definitions and caches tools with the system prompt.
-const QWEN: CachePolicyObject = { system: true, messages: { tail: 1 } }
 const openRouterPolicy = (modelID: string): CachePolicyObject => {
   // `~anthropic/claude-sonnet-latest` style IDs are OpenRouter aliases for the latest model in a family.
   const id = modelID.replace(/^~/, "")
   if (id.startsWith("anthropic/")) return AUTO
-  if (id.startsWith("qwen/")) return QWEN
+  if (id.startsWith("qwen/")) return { system: true, messages: { tail: 1 } }
   return NONE
 }
 
@@ -173,11 +170,7 @@ export const applyCachePolicy = (request: LLMRequest): LLMRequest => {
   const policy =
     request.model.route.id === "openrouter" && (request.cache === undefined || request.cache === "auto")
       ? openRouterPolicy(request.model.id)
-      : request.model.route.id === "alibaba-chat" && (request.cache === undefined || request.cache === "auto")
-        ? request.model.id.toLowerCase().startsWith("qwen")
-          ? QWEN
-          : NONE
-        : resolve(request.cache)
+      : resolve(request.cache)
   if (!policy.tools && !policy.system && !policy.messages) return request
 
   const hint = makeHint(policy.ttlSeconds)

packages/ai/src/protocols/alibaba-chat.ts

@@ -3,7 +3,6 @@ import { Protocol } from "../route/protocol.js"
 import type { LanguageModelCompatibility } from "../schema/index.js"
 import { OpenAIChat } from "./openai-chat.js"
 import { JsonObject, ProviderShared } from "./shared.js"
-import { cacheControl } from "./utils/cache.js"
 import { OpenResponsesOptions } from "./utils/open-responses-options.js"
 
 export type ReasoningEffort = OpenResponsesOptions.ReasoningEffort
@@ -69,7 +68,7 @@ export const protocol = Protocol.make({
     from: Effect.fn("AlibabaChat.fromRequest")(function* (req) {
       const opts = yield* ProviderShared.validateWith(Schema.decodeUnknownEffect(Options))(req.providerOptions ?? {})
       return {
-        ...(yield* OpenAIChat.fromRequest(req, { cacheControl: cacheControl() })),
+        ...(yield* OpenAIChat.protocol.body.from(req)),
         enable_thinking: opts.enableThinking,
         // Alibaba also rejects an explicit budget that is not below `max_completion_tokens`.
         thinking_budget:

packages/ai/src/protocols/anthropic-messages.ts

@@ -451,9 +451,6 @@ const AnthropicStreamDelta = Schema.Struct({
   signature: Schema.optional(Schema.String),
   stop_reason: optionalNull(Schema.String),
   stop_sequence: optionalNull(Schema.String),
-  stop_details: optionalNull(
-    Schema.Struct({ category: optionalNull(Schema.String), explanation: optionalNull(Schema.String) }),
-  ),
 })
 type AnthropicStreamDelta = Schema.Schema.Type<typeof AnthropicStreamDelta>
 const decodeAnthropicStreamDelta = Schema.decodeUnknownOption(AnthropicStreamDelta)
@@ -807,12 +804,15 @@ const requireThinkingSignature = (request: LLMRequest) => {
 // Mid-conversation system messages became available with Opus 4.8 and version
 // 5 of the other supported Claude families. Treat later family versions as
 // compatible without assuming that every Anthropic Messages model is Claude.
-// Opus 4.8 and every Claude 5 model accept mid-conversation system messages; later versions inherit support.
 const supportsNativeSystemUpdates = (request: LLMRequest) => {
-  const version = claudeVersion(String(request.model.id))
-  if (version === undefined) return false
-  if (version.family === "opus" && version.major === 4) return version.minor >= 8
-  return version.major >= 5
+  const match = /(?:^|[./])claude-(fable|haiku|mythos|opus|sonnet)-(\d+)(?:[.-](\d+))?/.exec(
+    String(request.model.id).toLowerCase(),
+  )
+  if (!match) return false
+  const major = Number(match[2])
+  if (match[1] !== "opus") return major >= 5
+  if (major !== 4) return major >= 5
+  return match[3] !== undefined && match[3].length <= 2 && Number(match[3]) >= 8
 }
 
 const endsInServerToolUse = (message: LLMRequest["messages"][number]) => {
@@ -989,13 +989,13 @@ const lowerMessages = Effect.fn("AnthropicMessages.lowerMessages")(function* (
   return messages
 })
 
-// Per-turn effort started with Claude Opus 5 and every Claude 5.1 model; later versions of any family inherit it.
 const supportsEffortUpdates = (model: LLMRequest["model"]) => {
   const override = model.compatibility?.supportsEffortUpdates
   if (override !== undefined) return override
   const version = claudeVersion(model.id)
   if (version === undefined) return false
-  if (version.family === "opus" && version.major >= 5) return true
+  if (version.family === "opus") return version.major >= 5
+  if (version.family !== "fable" && version.family !== "mythos") return false
   return version.major > 5 || (version.major === 5 && version.minor >= 1)
 }
 
@@ -1417,14 +1417,10 @@ const onMessageDelta = (
       stopSequence === null || stopSequence === undefined
         ? state.pendingFinish?.providerMetadata
         : providerMetadata(state.providerMetadataKey, { stopSequence })
-    const category = event.delta?.stop_details?.category
-    const explanation = event.delta?.stop_details?.explanation
     return {
       reason: {
         normalized: mapFinishReason(stopReason),
         raw: stopReason,
-        ...(category ? { category } : {}),
-        ...(explanation ? { explanation } : {}),
       },
       providerMetadata: finishMetadata,
     }

packages/ai/src/protocols/bedrock-converse.ts

@@ -319,9 +319,6 @@ const lowerToolResult = Effect.fn("BedrockConverse.lowerToolResult")(function* (
   } satisfies BedrockToolResultBlock
 })
 
-// Keep Claude and Nova tool-result images inline; put other models' images beside the result.
-const keepToolImagesInline = (id: string) => id.includes("anthropic.claude-") || id.includes("amazon.nova-")
-
 const lowerMessages = Effect.fn("BedrockConverse.lowerMessages")(function* (
   request: LLMRequest,
   breakpoints: BedrockCache.Breakpoints,
@@ -331,19 +328,8 @@ const lowerMessages = Effect.fn("BedrockConverse.lowerMessages")(function* (
   // Mistral can reject replay IDs even when they satisfy Converse's broader ID syntax.
   const normalizeID = request.model.id.includes("mistral.") ? MistralToolID.normalizer(request) : (id: string) => id
   const providerMetadataKey = request.model.route.providerMetadataKey ?? String(request.model.provider)
-  const hoistImages = !keepToolImagesInline(request.model.id)
-  // Bedrock expects parallel tool results before any images hoisted beside them.
-  const pendingImages: BedrockMedia.ImageBlock[] = []
-  const flushImages = () => {
-    if (pendingImages.length === 0) return
-    const previous = messages.at(-1)
-    if (previous?.role === "user")
-      messages[messages.length - 1] = { role: "user", content: [...previous.content, ...pendingImages] }
-    pendingImages.length = 0
-  }
 
   for (const message of request.messages) {
-    if (message.role !== "tool") flushImages()
     if (message.role === "system") {
       const part = yield* ProviderShared.wrappedSystemUpdate("Bedrock Converse", message)
       const content = textWithCache(breakpoints, part.text, part.cache)
@@ -417,22 +403,7 @@ const lowerMessages = Effect.fn("BedrockConverse.lowerMessages")(function* (
     for (const part of message.content) {
       if (!ProviderShared.supportsContent(part, ["tool-result"]))
         return yield* ProviderShared.unsupportedContent("Bedrock Converse", "tool", ["tool-result"])
-      const result = yield* lowerToolResult(part, documentNames, normalizeID)
-      const images: BedrockMedia.ImageBlock[] = hoistImages
-        ? result.toolResult.content.filter((item) => "image" in item)
-        : []
-      const nonImageContent = result.toolResult.content.filter((item) => !("image" in item))
-      content.push(
-        images.length === 0
-          ? result
-          : {
-              toolResult: {
-                ...result.toolResult,
-                content: nonImageContent.length > 0 ? nonImageContent : [{ text: "See attached image." }],
-              },
-            },
-      )
-      pendingImages.push(...images)
+      content.push(yield* lowerToolResult(part, documentNames, normalizeID))
       const cachePoint = BedrockCache.block(breakpoints, part.cache)
       if (cachePoint) content.push(cachePoint)
     }
@@ -442,7 +413,6 @@ const lowerMessages = Effect.fn("BedrockConverse.lowerMessages")(function* (
     else messages.push({ role: "user", content })
   }
 
-  flushImages()
   return messages
 })
 

packages/ai/src/protocols/openai-chat.ts

@@ -212,11 +212,9 @@ const OpenAIChatUsage = Schema.StructWithRest(
     prompt_tokens: optionalNull(Schema.Number),
     completion_tokens: optionalNull(Schema.Number),
     total_tokens: optionalNull(Schema.Number),
-    // Provider-specific cache accounting fields.
+    // Zai reports cache hits as top-level `cached_tokens`; DeepSeek uses `prompt_cache_hit_tokens`.
     cached_tokens: optionalNull(Schema.Number),
     prompt_cache_hit_tokens: optionalNull(Schema.Number),
-    cache_read_input_tokens: optionalNull(Schema.Number),
-    cache_created_input_tokens: optionalNull(Schema.Number),
     prompt_tokens_details: optionalNull(
       Schema.StructWithRest(
         Schema.Struct({
@@ -905,19 +903,16 @@ const mapFinishReason = Effect.fn("OpenAIChat.mapFinishReason")(function* (event
 // satisfied on both sides.
 // Providers differ on cache-hit location: OpenAI uses
 // `prompt_tokens_details.cached_tokens`, DeepSeek uses
-// `prompt_cache_hit_tokens`, Zai uses top-level `cached_tokens`, and
-// DigitalOcean uses top-level `cache_read_input_tokens` / `cache_created_input_tokens`.
+// `prompt_cache_hit_tokens`, and Zai uses top-level `cached_tokens`.
 const mapUsage = (usage: OpenAIChatEvent["usage"], providerMetadataKey: string): Usage | undefined => {
   if (!usage) return undefined
   const input = usage.prompt_tokens ?? undefined
   const output = usage.completion_tokens ?? undefined
-  const cached =
-    usage.prompt_tokens_details?.cached_tokens ??
-    usage.prompt_cache_hit_tokens ??
-    usage.cached_tokens ??
-    usage.cache_read_input_tokens ??
-    undefined
-  const cacheWrite = usage.prompt_tokens_details?.cache_write_tokens ?? usage.cache_created_input_tokens ?? undefined
+  const cached = (usage.prompt_tokens_details?.cached_tokens ??
+    (usage as { prompt_cache_hit_tokens?: number | null }).prompt_cache_hit_tokens ??
+    (usage as { cached_tokens?: number | null }).cached_tokens ??
+    undefined) as number | undefined
+  const cacheWrite = usage.prompt_tokens_details?.cache_write_tokens ?? undefined
   const reasoning = usage.completion_tokens_details?.reasoning_tokens ?? undefined
   const nonCached = ProviderShared.subtractTokens(input, ProviderShared.sumTokens(cached, cacheWrite))
   return new Usage({

packages/ai/src/protocols/utils/cache.ts

@@ -1,5 +1,4 @@
 // Shared counter and TTL mapping for provider cache-marker lowering.
-import type { CacheHint } from "../../schema/index.js"
 
 export interface Breakpoints {
   remaining: number
@@ -12,12 +11,3 @@ export const newBreakpoints = (cap: number): Breakpoints => ({ remaining: cap, d
 // requests omit the wire TTL and use the provider default.
 export const ttlBucket = (ttlSeconds: number | undefined): "1h" | undefined =>
   ttlSeconds !== undefined && ttlSeconds >= 3600 ? "1h" : undefined
-
-export const cacheControl = () => {
-  const breakpoints = newBreakpoints(4)
-  return (cache: CacheHint | undefined) => {
-    if (cache === undefined || breakpoints.remaining === 0) return undefined
-    breakpoints.remaining -= 1
-    return { type: "ephemeral" as const, ttl: ttlBucket(cache.ttlSeconds) }
-  }
-}

packages/ai/src/provider-error.ts

@@ -35,8 +35,6 @@ const patterns = [
   /exceeds the limit of \d+/i,
   /exceeds the available context size/i,
   /greater than the context length/i,
-  // Hugging Face Text Generation Inference, e.g. Together
-  /`inputs` tokens \+ `max_new_tokens` must be <= \d+/i,
   /context window exceeds limit/i,
   /exceeded model token limit/i,
   /context[_ ]length[_ ]exceeded/i,

packages/ai/src/providers/digitalocean.ts

@@ -1,76 +0,0 @@
-import type { ProviderPackage } from "../provider-package.js"
-import { OpenAIChat } from "../protocols/openai-chat.js"
-import { cacheControl } from "../protocols/utils/cache.js"
-import { AuthOptions, type ProviderAuthOption } from "../route/auth-options.js"
-import { Route, type RouteDefaultsInput } from "../route/client.js"
-import { Endpoint } from "../route/endpoint.js"
-import { Protocol } from "../route/protocol.js"
-import { ProviderID, type ModelID } from "../schema/index.js"
-import type { OpenAIProviderOptionsInput } from "./openai-options.js"
-
-export const id = ProviderID.make("digitalocean")
-const baseURL = "https://inference.do-ai.run/v1"
-
-export type LanguageModelOptions = Omit<RouteDefaultsInput, "providerOptions"> &
-  ProviderAuthOption<"optional"> & {
-    readonly baseURL?: string
-    readonly providerOptions?: OpenAIProviderOptionsInput
-  }
-
-export type Settings = ProviderPackage.Settings & OpenAIProviderOptionsInput & { readonly apiKey?: string }
-
-export const protocol = Protocol.make({
-  id: "digitalocean-chat",
-  body: {
-    schema: OpenAIChat.protocol.body.schema,
-    from: (request) => OpenAIChat.fromRequest(request, { cacheControl: cacheControl() }),
-  },
-  stream: OpenAIChat.protocol.stream,
-})
-
-export const route = Route.make({
-  id: "digitalocean",
-  provider: id,
-  providerMetadataKey: "digitalocean",
-  protocol,
-  endpoint: Endpoint.path("/chat/completions", { baseURL }),
-  framing: OpenAIChat.framing,
-})
-
-export const routes = [route]
-
-export const configure = (input: LanguageModelOptions = {}) => {
-  const { apiKey: _apiKey, auth: _auth, baseURL: endpoint, ...defaults } = input
-  const configured = route.with({
-    ...defaults,
-    endpoint: { baseURL: endpoint ?? baseURL },
-    auth: AuthOptions.bearer(input, ["DIGITALOCEAN_ACCESS_TOKEN", "DIGITALOCEAN_API_KEY", "DO_INFERENCE_API_KEY"]),
-  })
-  return {
-    id,
-    model: (modelID: string | ModelID) =>
-      configured.model<OpenAIProviderOptionsInput>({
-        id: modelID,
-        compatibility: {
-          supportsPromptCacheKey: true,
-        },
-      }),
-    configure,
-  }
-}
-
-export const provider = configure()
-
-export const model: ProviderPackage.Definition<Settings, OpenAIProviderOptionsInput>["model"] = (
-  modelID,
-  { apiKey, baseURL, body, headers, ...providerOptions },
-) =>
-  configure({
-    apiKey,
-    baseURL,
-    headers,
-    http: { body },
-    providerOptions,
-  }).model(modelID)
-
-export * as DigitalOcean from "./digitalocean.js"

packages/ai/src/providers/google-vertex-messages.ts

@@ -37,7 +37,7 @@ export type Settings = ProviderPackage.Settings &
 const route = Route.make({
   id: "google-vertex-messages",
   provider: id,
-  providerMetadataKey: "vertex",
+  providerMetadataKey: "anthropic",
   protocol: Protocol.make({
     id: AnthropicMessages.protocol.id,
     body: {

packages/ai/src/providers/groq.ts

@@ -71,7 +71,7 @@ export const protocol = Protocol.make({
 export const route = Route.make({
   id: "groq-chat",
   provider: id,
-  providerMetadataKey: "groq",
+  providerMetadataKey: "openai",
   protocol,
   endpoint: Endpoint.path("/chat/completions", { baseURL }),
   framing: OpenAIChat.framing,

packages/ai/src/providers/index.ts

@@ -14,7 +14,6 @@ export * as CloudflareWorkersAI from "./cloudflare-workers-ai.js"
 export * as DeepInfra from "./deepinfra.js"
 export * as Deepgram from "./deepgram.js"
 export * as DeepSeek from "./deepseek.js"
-export * as DigitalOcean from "./digitalocean.js"
 export * as ElevenLabs from "./elevenlabs.js"
 export * as Fal from "./fal.js"
 export * as Fireworks from "./fireworks.js"

packages/ai/src/providers/openrouter.ts

@@ -3,11 +3,11 @@ import { Route, type RouteDefaultsInput } from "../route/client.js"
 import { Endpoint } from "../route/endpoint.js"
 import { Protocol } from "../route/protocol.js"
 import { AuthOptions, type ProviderAuthOption } from "../route/auth-options.js"
-import { HttpOptions, ProviderID, type ModelID, type OpenString } from "../schema/index.js"
+import { HttpOptions, ProviderID, type CacheHint, type ModelID, type OpenString } from "../schema/index.js"
 import type { ProviderPackage } from "../provider-package.js"
 import { SystemOne } from "../experimental/system-one.js"
 import { OpenAIChat } from "../protocols/openai-chat.js"
-import { cacheControl } from "../protocols/utils/cache.js"
+import { newBreakpoints, ttlBucket } from "../protocols/utils/cache.js"
 import { isRecord, ProviderShared } from "../protocols/shared.js"
 
 export const id = ProviderID.make("openrouter")
@@ -131,6 +131,18 @@ export const protocol = Protocol.make({
   stream: OpenAIChat.protocol.stream,
 })
 
+const cacheControl = () => {
+  const breakpoints = newBreakpoints(4)
+  return (cache: CacheHint | undefined) => {
+    if (cache === undefined || breakpoints.remaining === 0) return undefined
+    breakpoints.remaining -= 1
+    return {
+      type: "ephemeral" as const,
+      ...(ttlBucket(cache.ttlSeconds) === "1h" ? { ttl: "1h" } : {}),
+    }
+  }
+}
+
 // OpenRouter forwards `reasoning.max_tokens` as the upstream thinking budget. Upstreams such as Anthropic and Alibaba
 // reject one that is not below the output limit; 1,024 is Anthropic's minimum budget.
 const fitReasoning = (reasoning: Record<string, unknown>, maxTokens: number | undefined) =>

packages/ai/src/route/executor.ts

@@ -159,15 +159,6 @@ const nativeTransportFailure = (error: unknown) => {
   return failure
 }
 
-// HTTP hooks re-wrap response bodies, so a read failure can arrive as an HttpClientError caused by
-// another HttpClientError. The innermost cause carries the native failure.
-const rootCause = (error: unknown): unknown =>
-  HttpClientError.isHttpClientError(error) && "cause" in error.reason && error.reason.cause !== undefined
-    ? rootCause(error.reason.cause)
-    : error
-
-const CONNECTION_LOST = "Connection lost while reading the response"
-
 const httpError = (input: {
   readonly error: unknown
   readonly request: HttpClientRequest.HttpClientRequest
@@ -188,21 +179,20 @@ const httpError = (input: {
       }),
     })
 
-  const source = rootCause(input.error)
+  const source =
+    HttpClientError.isHttpClientError(input.error) && "cause" in input.error.reason
+      ? (input.error.reason.cause ?? input.error)
+      : input.error
   const native = nativeTransportFailure(source)
   const code = native?.code
-  const detail =
-    code && native?.message && !native.message.includes(code) ? `${code}: ${native.message}` : native?.message
-  const message = detail ?? (input.error instanceof Error ? input.error.message : undefined)
+  const raw = native?.message ?? (input.error instanceof Error ? input.error.message : undefined)
+  const detail = raw
+  const message = code && detail && !detail.includes(code) ? `${code}: ${detail}` : detail
 
   if (Cause.isTimeoutError(input.error) || Cause.isTimeoutError(source))
     return transportError({ message: message ?? "HTTP transport timed out", code: code ?? "Timeout" })
   if (!HttpClientError.isHttpClientError(input.error))
     return transportError({ message: message ?? "HTTP transport failed", code })
-  // Effect reports every response body read failure as a DecodeError, but the raw byte stream decodes
-  // nothing: provider output parsing happens later and fails as InvalidProviderOutput.
-  if (input.operation === "read" && input.error.reason._tag === "DecodeError")
-    return transportError({ message: detail ? `${CONNECTION_LOST}: ${detail}` : CONNECTION_LOST, code })
   if (input.error.reason._tag === "TransportError") {
     return transportError({
       message: message ?? input.error.reason.description ?? "HTTP transport failed",

packages/ai/src/route/transport/http.ts

@@ -1,19 +1,11 @@
-import { Clock, Duration, Effect, Stream } from "effect"
+import { Effect } from "effect"
 import { Headers, HttpClientRequest } from "effect/unstable/http"
 import { Auth } from "../auth.js"
 import { render as renderEndpoint } from "../endpoint.js"
 import { Framing } from "../framing.js"
 import type { HttpMiddleware, Transport, TransportPrepareInput } from "./index.js"
 import * as ProviderShared from "../../protocols/shared.js"
-import {
-  AIError,
-  DEFAULT_HTTP_TIMEOUT_MS,
-  mergeJsonRecords,
-  TransportError,
-  type HttpContext,
-  type HttpTimeout,
-  type LLMRequest,
-} from "../../schema/index.js"
+import { mergeJsonRecords, type LLMRequest } from "../../schema/index.js"
 import { RequestExecutor } from "../executor.js"
 
 export type JsonRequestInput<Body> = TransportPrepareInput<Body>
@@ -95,53 +87,17 @@ export const httpJson = <Body, Frame>(input: HttpJsonInput<Body, Frame>): HttpJs
         middleware: prepareInput.middleware,
       }
     }),
-  execute: (prepared, request, runtime) =>
+  execute: (prepared, _request, runtime) =>
     Effect.gen(function* () {
-      const timeout = (operation: "request" | "read", message: string, http?: HttpContext) =>
-        new AIError({
-          reason: new TransportError({
-            message,
-            transport: "http",
-            operation,
-            code: "Timeout",
-            url: prepared.request.url,
-            http,
-          }),
-        })
-      const started = yield* Clock.currentTimeMillis
-      // Unlike the header and chunk limits, the whole-request budget has no default.
-      const total = request.http?.timeout ? Duration.millis(request.http.timeout) : Duration.infinity
-      const response = yield* runtime.http.execute(prepared.request, prepared.middleware).pipe(
-        Effect.timeoutOrElse({
-          duration: Duration.min(timeoutDuration(request.http?.headerTimeout), total),
-          orElse: () => timeout("request", "Timed out waiting for response headers"),
-        }),
-      )
-      const http = RequestExecutor.responseHttp(response)
-      const remaining = Duration.subtract(total, Duration.millis((yield* Clock.currentTimeMillis) - started))
+      const response = yield* runtime.http.execute(prepared.request, prepared.middleware)
       return {
-        frames: prepared.framing.frame(
-          RequestExecutor.responseStream(response).pipe(
-            Stream.timeoutOrElse({
-              duration: timeoutDuration(request.http?.chunkTimeout),
-              orElse: () => Stream.fail(timeout("read", "Timed out waiting for response data", http)),
-            }),
-            Stream.interruptWhen(
-              Effect.sleep(remaining).pipe(
-                Effect.andThen(Effect.fail(timeout("read", "Timed out waiting for the response to complete", http))),
-              ),
-            ),
-          ),
-        ),
-        http,
+        frames: prepared.framing.frame(RequestExecutor.responseStream(response)),
+        http: RequestExecutor.responseHttp(response),
         body: prepared.framing.body,
       }
     }),
 })
 
-const timeoutDuration = (value: HttpTimeout | undefined) =>
-  value === false ? Duration.infinity : Duration.millis(value ?? DEFAULT_HTTP_TIMEOUT_MS)
-
 export const sseJson = {
   id: "http-json/sse",
   with: <Body>() => httpJson<Body, string>({ framing: Framing.sse }),

packages/ai/src/schema/events.ts

@@ -264,10 +264,6 @@ export type ToolError = Schema.Schema.Type<typeof ToolError>
 export const FinishReasonDetails = Schema.Struct({
   normalized: FinishReason,
   raw: Schema.optional(Schema.String),
-  /** The provider's policy area for a content-filter finish, such as `cyber`. */
-  category: Schema.optional(Schema.String),
-  /** The provider's human-readable reason for a content-filter finish. */
-  explanation: Schema.optional(Schema.String),
 }).annotate({ identifier: "LLM.FinishReasonDetails" })
 export type FinishReasonDetails = Schema.Schema.Type<typeof FinishReasonDetails>
 

packages/ai/src/schema/options.ts

@@ -48,23 +48,10 @@ export const mergeProviderOptions = (
   ...items: ReadonlyArray<ProviderOptions | undefined>
 ): ProviderOptions | undefined => mergeJsonRecords(...items)
 
-/** Milliseconds for an HTTP timeout, or `false` to disable it. */
-export const HttpTimeout = Schema.Union([Schema.Number.check(Schema.isGreaterThan(0)), Schema.Literal(false)])
-export type HttpTimeout = Schema.Schema.Type<typeof HttpTimeout>
-
-/** Applied to `headerTimeout` and `chunkTimeout` when a request leaves them unset. */
-export const DEFAULT_HTTP_TIMEOUT_MS = 300_000
-
 export class HttpOptions extends Schema.Class<HttpOptions>("AI.HttpOptions")({
   body: Schema.optional(JsonSchema),
   headers: Schema.optional(Schema.Record(Schema.String, Schema.String)),
   query: Schema.optional(Schema.Record(Schema.String, Schema.String)),
-  /** Time allowed for the whole request, from send until the response completes. Unbounded when unset. */
-  timeout: Schema.optional(HttpTimeout),
-  /** Time allowed for response headers to arrive. */
-  headerTimeout: Schema.optional(HttpTimeout),
-  /** Time allowed between streamed response chunks once headers have arrived. */
-  chunkTimeout: Schema.optional(HttpTimeout),
 }) {}
 
 export namespace HttpOptions {
@@ -83,12 +70,8 @@ export const mergeHttpOptions = (...items: ReadonlyArray<HttpOptions | undefined
   const body = mergeJsonRecords(...items.map((item) => item?.body))
   const headers = mergeStringRecords(...items.map((item) => item?.headers))
   const query = mergeStringRecords(...items.map((item) => item?.query))
-  const timeout = items.findLast((item) => item?.timeout !== undefined)?.timeout
-  const headerTimeout = items.findLast((item) => item?.headerTimeout !== undefined)?.headerTimeout
-  const chunkTimeout = items.findLast((item) => item?.chunkTimeout !== undefined)?.chunkTimeout
-  if (!body && !headers && !query && timeout === undefined && headerTimeout === undefined && chunkTimeout === undefined)
-    return undefined
-  return new HttpOptions({ body, headers, query, timeout, headerTimeout, chunkTimeout })
+  if (!body && !headers && !query) return undefined
+  return new HttpOptions({ body, headers, query })
 }
 
 export class GenerationOptions extends Schema.Class<GenerationOptions>("LLM.GenerationOptions")({

packages/ai/test/cache-policy.test.ts

@@ -8,7 +8,6 @@ import {
   AmazonBedrock,
   AnthropicCompatible,
   CloudflareAIGateway,
-  DigitalOcean,
   GoogleVertexMessages,
   Meta,
   MiniMax,
@@ -118,86 +117,6 @@ describe("applyCachePolicy", () => {
     }),
   )
 
-  it.effect("'auto' emits cache_control markers on DigitalOcean", () =>
-    Effect.gen(function* () {
-      const prepared = yield* compileRequest(
-        LLM.request({
-          model: DigitalOcean.configure({ apiKey: "test" }).model("anthropic-claude-fable-5.1"),
-          system: "You are concise.",
-          tools: [{ name: "lookup", description: "Look up a value", inputSchema: { type: "object", properties: {} } }],
-          prompt: "hi",
-        }),
-      )
-
-      expect(prepared.body).toMatchObject({
-        tools: [{ type: "function", function: { name: "lookup" }, cache_control: { type: "ephemeral" } }],
-        messages: [
-          {
-            role: "system",
-            content: [{ text: "You are concise.", cache_control: { type: "ephemeral" } }],
-          },
-          {
-            role: "user",
-            content: [{ text: "hi", cache_control: { type: "ephemeral" } }],
-          },
-        ],
-      })
-    }),
-  )
-
-  it.effect("Alibaba chat caches the system and conversation tail without marking tools", () =>
-    Effect.gen(function* () {
-      const prepared = yield* compileRequest(
-        LLM.request({
-          model: Alibaba.configure({ region: "ap-southeast-1", apiKey: "test" }).chat("qwen3.8-max"),
-          system: "You are concise.",
-          tools: [{ name: "lookup", description: "Look up a value", inputSchema: { type: "object", properties: {} } }],
-          prompt: "hi",
-        }),
-      )
-
-      expect(prepared.body).toMatchObject({
-        tools: [{ type: "function", function: { name: "lookup" } }],
-        messages: [
-          {
-            role: "system",
-            content: [{ text: "You are concise.", cache_control: { type: "ephemeral" } }],
-          },
-          { role: "user", content: [{ text: "hi", cache_control: { type: "ephemeral" } }] },
-        ],
-      })
-      expect(prepared.body.tools?.[0]?.cache_control).toBeUndefined()
-    }),
-  )
-
-  it.effect("Alibaba chat omits automatic cache markers when cache is none", () =>
-    Effect.gen(function* () {
-      const prepared = yield* compileRequest(
-        LLM.request({
-          model: Alibaba.configure({ region: "ap-southeast-1", apiKey: "test" }).chat("qwen3.8-max"),
-          system: "You are concise.",
-          prompt: "hi",
-          cache: "none",
-        }),
-      )
-
-      expect(JSON.stringify(prepared.body)).not.toContain("cache_control")
-    }),
-  )
-
-  it.effect("Alibaba chat does not assume non-Qwen models support cache markers", () =>
-    Effect.gen(function* () {
-      const alibaba = Alibaba.configure({ region: "ap-southeast-1", apiKey: "test" })
-      for (const modelID of ["kimi-k3", "glm-5.2", "deepseek-v4-flash-0731", "MiniMax-M2.5"]) {
-        const prepared = yield* compileRequest(
-          LLM.request({ model: alibaba.chat(modelID), system: "You are concise.", prompt: "hi" }),
-        )
-
-        expect(JSON.stringify(prepared.body)).not.toContain("cache_control")
-      }
-    }),
-  )
-
   it.effect("'auto' emits Anthropic cache markers on Anthropic-compatible routes", () =>
     Effect.gen(function* () {
       const prepared = yield* compileRequest(

packages/ai/test/effort-updates.test.ts

@@ -197,15 +197,9 @@ describe("Anthropic Messages effort updates", () => {
     ["anthropic/claude-opus-5", true],
     ["claude-fable-5-1", true],
     ["claude-mythos-5-1", true],
-    ["claude-opus-5-5", true],
-    ["claude-sonnet-5-5", true],
-    ["anthropic/claude-sonnet-5-5", true],
-    ["claude-sonnet-6", true],
-    ["claude-haiku-6", true],
     ["claude-fable-5", false],
     ["claude-opus-4-8", false],
     ["claude-sonnet-5", false],
-    ["claude-sonnet-5-20260801", false],
     ["kimi-k2.5", false],
   ] as const) {
     it.effect(`${supported ? "lowers" : "strips"} markers for ${id}`, () =>

packages/ai/test/executor.test.ts

@@ -1,17 +1,11 @@
 import { describe, expect } from "bun:test"
 import { Deferred, Effect, Fiber, Layer, Ref, Stream } from "effect"
-import { Headers, HttpClientError, HttpClientRequest, HttpClientResponse } from "effect/unstable/http"
-import { LLM, AIError, HttpContext, InvalidProviderOutputError, TransportError, isRetryable } from "../src/index.js"
-import {
-  LLMClient,
-  RequestExecutor,
-  WebSocketTransport,
-  type HttpMiddleware,
-  type WebSocketChannelExecutor,
-} from "../src/route.js"
+import { Headers, HttpClientError, HttpClientRequest } from "effect/unstable/http"
+import { LLM, AIError, HttpContext, InvalidProviderOutputError, TransportError } from "../src/index.js"
+import { LLMClient, RequestExecutor, WebSocketTransport, type WebSocketChannelExecutor } from "../src/route.js"
 import { route } from "../src/protocols/openai-chat.js"
 import { configure } from "../src/providers/openai.js"
-import { dynamicResponse, fixedResponse, handlerLayer, systemError, truncatedStream } from "./lib/http.js"
+import { dynamicResponse, fixedResponse, handlerLayer, systemError } from "./lib/http.js"
 import { deltaChunk } from "./lib/openai-chunks.js"
 import { sseEvents, sseRaw } from "./lib/sse.js"
 import { it } from "./lib/effect.js"
@@ -24,8 +18,6 @@ const secretRequest = HttpClientRequest.post("https://provider.test/v1/chat?api_
   HttpClientRequest.setHeaders(Headers.fromInput({ authorization: "Bearer header-secret-456" })),
 )
 
-const sseRequest = HttpClientRequest.post("https://provider.test/v1/messages")
-
 const expectAIError = (error: unknown) => {
   expect(error).toBeInstanceOf(AIError)
   if (!(error instanceof AIError)) throw new Error("expected AIError")
@@ -101,9 +93,7 @@ describe("RequestExecutor", () => {
       const error = yield* RequestExecutor.stream(executor, secretRequest).pipe(Stream.runDrain, Effect.flip)
 
       expectAIError(error)
-      expect(error.message).toBe(
-        "Connection lost while reading the response: ECONNRESET: disconnected query-secret-123 header-secret-456",
-      )
+      expect(error.message).toBe("ECONNRESET: disconnected query-secret-123 header-secret-456")
       expect(error.reason.http).toMatchObject({ status: 200, url: secretRequest.url })
       expect(error.reason.cause).toMatchObject({ code: "ECONNRESET" })
       expect(error.reason).toMatchObject({
@@ -133,7 +123,7 @@ describe("RequestExecutor", () => {
       const error = yield* RequestExecutor.stream(executor, secretRequest).pipe(Stream.runDrain, Effect.flip)
 
       expectAIError(error)
-      expect(error.message).toBe("Connection lost while reading the response: ECONNRESET: socket closed")
+      expect(error.message).toBe("ECONNRESET: socket closed")
       expect(error.reason.cause).toBeInstanceOf(TypeError)
       expect(error.reason).toMatchObject({
         _tag: "Transport",
@@ -154,54 +144,6 @@ describe("RequestExecutor", () => {
     ),
   )
 
-  it.effect("reports a connection lost mid-stream through middleware that re-wraps the body", () =>
-    Effect.gen(function* () {
-      const executor = yield* RequestExecutor.Service
-      const chunks: Array<Uint8Array> = []
-      // Session HTTP hooks hand plugins a web Response, so the body is re-wrapped around the original stream.
-      const rewrap: HttpMiddleware = (input, handler) =>
-        Effect.gen(function* () {
-          const response = yield* handler(input)
-          const body = yield* Stream.toReadableStreamEffect(response.stream)
-          return HttpClientResponse.fromWeb(
-            input,
-            new Response(body, { status: response.status, headers: response.headers }),
-          )
-        })
-      const error = yield* RequestExecutor.stream(executor, sseRequest, rewrap).pipe(
-        Stream.runForEach((chunk) => Effect.sync(() => chunks.push(chunk))),
-        Effect.flip,
-      )
-
-      expectAIError(error)
-      expect(new TextDecoder().decode(chunks[0])).toBe('data: {"type":"ping"}\n\n')
-      expect(error.message).toBe("Connection lost while reading the response: ECONNRESET: other side closed")
-      expect(error.reason.cause).toBeInstanceOf(TypeError)
-      expect(error.reason.http).toMatchObject({ status: 200 })
-      expect(error.reason).toMatchObject({ _tag: "Transport", operation: "read", code: "ECONNRESET" })
-      expect(isRetryable(error)).toBeTrue()
-    }).pipe(
-      Effect.provide(
-        truncatedStream(
-          ['data: {"type":"ping"}\n\n'],
-          new TypeError("terminated", { cause: systemError("ECONNRESET", "other side closed") }),
-        ),
-      ),
-    ),
-  )
-
-  it.effect("does not report a body read failure without a native cause as a decode error", () =>
-    Effect.gen(function* () {
-      const executor = yield* RequestExecutor.Service
-      const error = yield* RequestExecutor.stream(executor, sseRequest).pipe(Stream.runDrain, Effect.flip)
-
-      expectAIError(error)
-      expect(error.message).toBe("Connection lost while reading the response")
-      expect(error.reason).toMatchObject({ _tag: "Transport", operation: "read", code: undefined })
-      expect(isRetryable(error)).toBeTrue()
-    }).pipe(Effect.provide(truncatedStream(['data: {"type":"ping"}\n\n'], new DOMException("aborted", "AbortError")))),
-  )
-
   it.effect("preserves middleware error messages", () =>
     Effect.gen(function* () {
       const executor = yield* RequestExecutor.Service

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-7-plus-streams-thinking-disabled.json

@@ -10,7 +10,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-7-plus-streams-thinking-disabled",
-    "recordedAt": "2026-10-02T01:23:37.836Z"
+    "recordedAt": "2026-09-08T03:10:42.782Z"
   },
   "interactions": [
     {
@@ -21,14 +21,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.7-plus\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"max_completion_tokens\":4096,\"enable_thinking\":false}"
+        "body": "{\"model\":\"qwen3.7-plus\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"max_completion_tokens\":4096,\"enable_thinking\":false}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
-        "body": "data: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-e96a3356-bec9-98ad-bdbe-af00a15ee965\",\"created\":1790904216,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-e96a3356-bec9-98ad-bdbe-af00a15ee965\",\"choices\":[{\"delta\":{\"content\":\"3\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904216,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-e96a3356-bec9-98ad-bdbe-af00a15ee965\",\"choices\":[{\"delta\":{\"content\":\"7887\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904216,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-e96a3356-bec9-98ad-bdbe-af00a15ee965\",\"choices\":[{\"delta\":{\"content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1790904216,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1790904216,\"id\":\"chatcmpl-e96a3356-bec9-98ad-bdbe-af00a15ee965\",\"model\":\"qwen3.7-plus\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":5,\"prompt_tokens\":32,\"prompt_tokens_details\":{\"cache_creation\":{\"ephemeral_5m_input_tokens\":0},\"cache_creation_input_tokens\":0,\"cache_type\":\"ephemeral\",\"cache_write_tokens\":0,\"cached_tokens\":0,\"text_tokens\":32},\"total_tokens\":37}}\n\ndata: [DONE]\n\n"
+        "body": "data: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-047bcb67-b193-9a4f-9d77-ea0325be6d7c\",\"created\":1788837041,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-047bcb67-b193-9a4f-9d77-ea0325be6d7c\",\"choices\":[{\"delta\":{\"content\":\"3\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837041,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-047bcb67-b193-9a4f-9d77-ea0325be6d7c\",\"choices\":[{\"delta\":{\"content\":\"7887\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837041,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-047bcb67-b193-9a4f-9d77-ea0325be6d7c\",\"choices\":[{\"delta\":{\"content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1788837041,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1788837041,\"id\":\"chatcmpl-047bcb67-b193-9a4f-9d77-ea0325be6d7c\",\"model\":\"qwen3.7-plus\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":5,\"prompt_tokens\":32,\"prompt_tokens_details\":{\"cached_tokens\":0,\"text_tokens\":32},\"total_tokens\":37}}\n\ndata: [DONE]\n\n"
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-7-plus-streams-thinking-enabled.json

@@ -10,7 +10,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-7-plus-streams-thinking-enabled",
-    "recordedAt": "2026-10-02T01:23:43.998Z"
+    "recordedAt": "2026-09-08T03:10:54.099Z"
   },
   "interactions": [
     {
@@ -21,14 +21,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.7-plus\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"max_completion_tokens\":4096,\"enable_thinking\":true,\"thinking_budget\":1024}"
+        "body": "{\"model\":\"qwen3.7-plus\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"max_completion_tokens\":4096,\"enable_thinking\":true,\"thinking_budget\":1024}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
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+        "body": "data: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"Thinking\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" Process:\\n\\n1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".  **Ident\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"ify the core question\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\":** The user wants\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" to know the product\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" of \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"173 and\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 219\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".\\n2.\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"  **Identify\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" the constraint:** The\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" response must contain *\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"only\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"* the final integer\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"cLine truncated
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-flash-reads-image-bytes.json

@@ -1,15 +1,9 @@
 {
   "version": 1,
   "metadata": {
-    "tags": [
-      "prefix:alibaba-chat",
-      "provider:alibaba",
-      "protocol:alibaba-chat",
-      "region:ap-southeast-1",
-      "image"
-    ],
+    "tags": ["prefix:alibaba-chat", "provider:alibaba", "protocol:alibaba-chat", "region:ap-southeast-1", "image"],
     "name": "alibaba-chat/qwen-3-8-flash-reads-image-bytes",
-    "recordedAt": "2026-10-02T01:23:45.179Z"
+    "recordedAt": "2026-09-08T03:10:55.585Z"
   },
   "interactions": [
     {
@@ -20,14 +14,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-flash\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Read the three words in this image. Reply with only the words in order.\",\"cache_control\":{\"type\":\"ephemeral\"}},{\"type\":\"image_url\",\"image_url\":{\"url\":\"data:image/png;base64,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 truncated
+        "body": "{\"model\":\"qwen3.8-flash\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Read the three words in this image. Reply with only the words in order.\"},{\"type\":\"image_url\",\"image_url\":{\"url\":\"data:image/png;base64,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 truncated
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
-        "body": "data: {\"model\":\"qwen3.8-flash\",\"id\":\"chatcmpl-69096b14-dda4-93fc-a838-0e7640f71dfa\",\"created\":1790904224,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-flash\",\"id\":\"chatcmpl-69096b14-dda4-93fc-a838-0e7640f71dfa\",\"choices\":[{\"delta\":{\"content\":\"j\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904224,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-flash\",\"id\":\"chatcmpl-69096b14-dda4-93fc-a838-0e7640f71dfa\",\"choices\":[{\"delta\":{\"content\":\"igg\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904224,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-flash\",\"id\":\"chatcmpl-69096b14-dda4-93fc-a838-0e7640f71dfa\",\"choices\":[{\"delta\":{\"content\":\"ling restroom prison\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904224,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-flash\",\"id\":\"chatcmpl-69096b14-dda4-93fc-a838-0e7640f71dfa\",\"choices\":[{\"delta\":{\"content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1790904224,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1790904224,\"id\":\"chatcmpl-69096b14-dda4-93fc-a838-0e7640f71dfa\",\"model\":\"qwen3.8-flash\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":6,\"completion_tokens_details\":{},\"prompt_tokens\":123,\"prompt_tokens_details\":{\"cached_tokens\":0,\"image_tokens\":82,\"text_tokens\":41},\"total_tokens\":129}}\n\ndata: [DONE]\n\n"
+        "body": "data: {\"model\":\"qwen3.8-flash\",\"id\":\"chatcmpl-2952c591-6e41-90ec-81ca-894b8e84f0aa\",\"created\":1788837054,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-flash\",\"id\":\"chatcmpl-2952c591-6e41-90ec-81ca-894b8e84f0aa\",\"choices\":[{\"delta\":{\"content\":\"j\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837054,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-flash\",\"id\":\"chatcmpl-2952c591-6e41-90ec-81ca-894b8e84f0aa\",\"choices\":[{\"delta\":{\"content\":\"iggling restroom prison\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837054,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-flash\",\"id\":\"chatcmpl-2952c591-6e41-90ec-81ca-894b8e84f0aa\",\"choices\":[{\"delta\":{\"content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1788837054,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1788837054,\"id\":\"chatcmpl-2952c591-6e41-90ec-81ca-894b8e84f0aa\",\"model\":\"qwen3.8-flash\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":6,\"completion_tokens_details\":{},\"prompt_tokens\":110,\"prompt_tokens_details\":{\"cached_tokens\":0,\"image_tokens\":82,\"text_tokens\":28},\"total_tokens\":116}}\n\ndata: [DONE]\n\n"
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-obeys-named-tool-choice.json

@@ -10,7 +10,7 @@
       "tool-choice"
     ],
     "name": "alibaba-chat/qwen-3-8-max-obeys-named-tool-choice",
-    "recordedAt": "2026-10-02T01:23:46.235Z"
+    "recordedAt": "2026-09-08T03:10:56.576Z"
   },
   "interactions": [
     {
@@ -21,14 +21,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Find the current weather in Paris.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get weather in a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"]}}}],\"tool_choice\":{\"type\":\"function\",\"function\":{\"name\":\"get_weather\"}},\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"none\",\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"Find the current weather in Paris.\"}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get weather in a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"]}}}],\"tool_choice\":{\"type\":\"function\",\"function\":{\"name\":\"get_weather\"}},\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"none\",\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
-        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-bf693c1a-0554-935b-ab28-cda0a18a27ff\",\"created\":1790904225,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"tool_calls\":[{\"index\":0,\"id\":\"call_3b220e76d7d946f498d026c0\",\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"arguments\":\"\"}}]},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-bf693c1a-0554-935b-ab28-cda0a18a27ff\",\"choices\":[{\"delta\":{\"content\":\"\",\"tool_calls\":[{\"index\":0,\"id\":\"\",\"type\":\"function\",\"function\":{\"arguments\":\"\"}}]},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904225,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-bf693c1a-0554-935b-ab28-cda0a18a27ff\",\"choices\":[{\"delta\":{\"content\":\"\",\"tool_calls\":[{\"type\":\"function\",\"index\":0,\"function\":{\"arguments\":\"{\\\"city\\\": \\\"Paris\"}}]},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904225,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-bf693c1a-0554-935b-ab28-cda0a18a27ff\",\"choices\":[{\"delta\":{\"content\":\"\",\"tool_calls\":[{\"type\":\"function\",\"index\":0,\"function\":{\"arguments\":\"\\\"\"}}]},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904225,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-bf693c1a-0554-935b-ab28-cda0a18a27ff\",\"choices\":[{\"delta\":{\"content\":\"\",\"tool_calls\":[{\"type\":\"function\",\"index\":0,\"function\":{\"arguments\":\"}\"}}]},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904225,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-bf693c1a-0554-935b-ab28-cda0a18a27ff\",\"choices\":[{\"delta\":{\"content\":\"\",\"tool_calls\":[{\"type\":\"function\",\"index\":0,\"function\":{\"arguments\":\"\"}}]},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904225,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-bf693c1a-0554-935b-ab28-cda0a18a27ff\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"function\":{\"arguments\":\"\"},\"index\":0,\"id\":null,\"type\":\"function\"}],\"content\":\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904225,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-bf693c1a-0554-935b-ab28-cda0a18a27ff\",\"choices\":[{\"delta\":{},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1790904225,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1790904225,\"id\":\"chatcmpl-bf693c1a-0554-935b-ab28-cda0a18a27ff\",\"model\":\"qwen3.8-max\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":19,\"prompt_tokens\":288,\"prompt_tokens_details\":{\"cache_creation\":{\"ephemeral_5m_input_tokens\":0},\"cache_creation_input_tokens\":0,\"cache_type\":\"ephemeral\",\"cache_write_tokens\":0,\"cached_tokens\":0,\"text_tokens\":288},\"total_tokens\":307}}\n\ndata: [DONE]\n\n"
+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-681dfa5a-ae08-98da-ba0d-4b1d0d364b6b\",\"created\":1788837055,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"tool_calls\":[{\"index\":0,\"id\":\"call_4eb823cb28d141c8befbb331\",\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"arguments\":\"\"}}]},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-681dfa5a-ae08-98da-ba0d-4b1d0d364b6b\",\"choices\":[{\"delta\":{\"content\":\"\",\"tool_calls\":[{\"index\":0,\"id\":\"\",\"type\":\"function\",\"function\":{\"arguments\":\"\"}}]},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837055,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-681dfa5a-ae08-98da-ba0d-4b1d0d364b6b\",\"choices\":[{\"delta\":{\"content\":\"\",\"tool_calls\":[{\"type\":\"function\",\"index\":0,\"function\":{\"arguments\":\"{\\\"city\\\": \\\"Paris\"}}]},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837055,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-681dfa5a-ae08-98da-ba0d-4b1d0d364b6b\",\"choices\":[{\"delta\":{\"content\":\"\",\"tool_calls\":[{\"type\":\"function\",\"index\":0,\"function\":{\"arguments\":\"\\\"\"}}]},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837055,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-681dfa5a-ae08-98da-ba0d-4b1d0d364b6b\",\"choices\":[{\"delta\":{\"content\":\"\",\"tool_calls\":[{\"type\":\"function\",\"index\":0,\"function\":{\"arguments\":\"}\"}}]},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837055,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-681dfa5a-ae08-98da-ba0d-4b1d0d364b6b\",\"choices\":[{\"delta\":{\"content\":\"\",\"tool_calls\":[{\"type\":\"function\",\"index\":0,\"function\":{\"arguments\":\"\"}}]},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837055,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-681dfa5a-ae08-98da-ba0d-4b1d0d364b6b\",\"choices\":[{\"delta\":{\"tool_calls\":[{\"function\":{\"arguments\":\"\"},\"index\":0,\"id\":null,\"type\":\"function\"}],\"content\":\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837055,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-681dfa5a-ae08-98da-ba0d-4b1d0d364b6b\",\"choices\":[{\"delta\":{},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1788837055,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1788837055,\"id\":\"chatcmpl-681dfa5a-ae08-98da-ba0d-4b1d0d364b6b\",\"model\":\"qwen3.8-max\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":19,\"prompt_tokens\":288,\"prompt_tokens_details\":{\"cached_tokens\":0,\"text_tokens\":288},\"total_tokens\":307}}\n\ndata: [DONE]\n\n"
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-replays-reasoning-through-a-tool-loop-and-follow-up.json

@@ -12,7 +12,7 @@
       "continuation"
     ],
     "name": "alibaba-chat/qwen-3-8-max-replays-reasoning-through-a-tool-loop-and-follow-up",
-    "recordedAt": "2026-10-02T01:23:36.578Z"
+    "recordedAt": "2026-09-08T03:09:54.566Z"
   },
   "interactions": [
     {
@@ -23,14 +23,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"We have a budget of 38000 dollars for 219 trips costing 173 dollars each. Calculate whether that is affordable. If it is, use get_weather to look up the current weather in Paris. After receiving the result, report the weather in one short sentence.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get the current weather in a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false}}}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"medium\",\"tool_stream\":true,\"max_completion_tokens\":4096,\"preserve_thinking\":true}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"We have a budget of 38000 dollars for 219 trips costing 173 dollars each. Calculate whether that is affordable. If it is, use get_weather to look up the current weather in Paris. After receiving the result, report the weather in one short sentence.\"}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get the current weather in a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false}}}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"medium\",\"tool_stream\":true,\"max_completion_tokens\":4096,\"preserve_thinking\":true}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
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{\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c075c2f7-07b5-975b-96bd-5ee12c72fb7c\",\"choices\":[{\"delta\":{\"content\":\" cost is \",\"reasoning_content\":\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836991,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c075c2f7-07b5-975b-96bd-5ee12c72fb7c\",\"choices\":[{\"delta\":{\"content\":\"219 ×\",\"reasoning_content\":\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836991,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c075c2f7-07b5-975b-96bd-5ee12c72fb7c\",\"choices\":[{\"delta\":{\"content\":\" $173\",\"reasoning_content\":\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836991,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c075c2f7-07b5-975b-96bd-5ee12c72fb7c\",\"choices\":[{\"delta\":{\"content\":\" = $37\",\"reasoning_content\":\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836991,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c075c2f7-07b5-975b-96bd-5ee12c72fb7c\",\"choices\":[{\"delta\":{\"content\":\",887\",\"reasoning_content\":\Line truncated
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           "content-type": "text/event-stream;charset=utf-8"
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+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-394220e8-6684-961f-9d12-adb634963286\",\"created\":1788836993,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-394220e8-6684-961f-9d12-adb634963286\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"The\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836993,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-394220e8-6684-961f-9d12-adb634963286\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" tool reported 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836993,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-394220e8-6684-961f-9d12-adb634963286\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"8C\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836993,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-394220e8-6684-961f-9d12-adb634963286\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836993,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-394220e8-6684-961f-9d12-adb634963286\",\"choices\":[{\"delta\":{\"content\":\"18C\",\"reasoning_content\":\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836993,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-394220e8-6684-961f-9d12-adb634963286\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1788836993,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1788836993,\"id\":\"chatcmpl-394220e8-6684-961f-9d12-adb634963286\",\"model\":\"qwen3.8-max\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":14,\"completion_tokens_details\":{\"reasoning_tokens\":8,\"text_tokens\":14},\"prompt_tokens\":551,\"prompt_tokens_details\":{\"cached_tokens\":0,\"text_tokens\":551},\"total_tokens\":565}}\n\ndata: [DONE]\n\n"
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-returns-a-json-object.json

@@ -9,7 +9,7 @@
       "structured-output"
     ],
     "name": "alibaba-chat/qwen-3-8-max-returns-a-json-object",
-    "recordedAt": "2026-10-02T01:23:47.415Z"
+    "recordedAt": "2026-09-08T03:11:29.462Z"
   },
   "interactions": [
     {
@@ -20,14 +20,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Return a JSON object with one key \\\"city\\\" set to the capital city of France.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"none\",\"max_completion_tokens\":1024,\"response_format\":{\"type\":\"json_object\"}}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"Return a JSON object with one key \\\"city\\\" set to the capital city of France.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"none\",\"max_completion_tokens\":1024,\"response_format\":{\"type\":\"json_object\"}}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
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+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"created\":1788837088,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"choices\":[{\"delta\":{\"content\":\"{\\\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837088,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"choices\":[{\"delta\":{\"content\":\"city\\\":\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837088,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"choices\":[{\"delta\":{\"content\":\" \\\"Paris\\\"}\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837088,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"choices\":[{\"delta\":{\"content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1788837088,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1788837088,\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"model\":\"qwen3.8-max\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":6,\"prompt_tokens\":32,\"prompt_tokens_details\":{\"cached_tokens\":0,\"text_tokens\":32},\"total_tokens\":38}}\n\ndata: [DONE]\n\n"
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-streams-default-effort.json

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-default-effort",
-    "recordedAt": "2026-10-02T01:23:08.402Z"
+    "recordedAt": "2026-09-08T03:08:03.087Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
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       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-streams-high-effort.json

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-high-effort",
-    "recordedAt": "2026-10-02T01:23:22.666Z"
+    "recordedAt": "2026-09-08T03:09:41.038Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"high\",\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"high\",\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
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{\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" asks\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904200,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" simple\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904200,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" multiplication, final integer\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904200,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" only.\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904200,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" Need compute 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904200,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"73*2\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904200,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"19. \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904200,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"173*\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904200,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"200=\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904200,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: 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{\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"3287\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904200,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5161785a-7f2c-9148-a072-f86ebb6b4b58\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoninLine truncated
+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c5e64fbe-df2d-92ff-9943-4904a148f26f\",\"created\":1788836978,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c5e64fbe-df2d-92ff-9943-4904a148f26f\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"We\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836978,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c5e64fbe-df2d-92ff-9943-4904a148f26f\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" need answer user\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836978,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c5e64fbe-df2d-92ff-9943-4904a148f26f\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"'s simple arithmetic\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836978,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c5e64fbe-df2d-92ff-9943-4904a148f26f\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\":\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836978,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c5e64fbe-df2d-92ff-9943-4904a148f26f\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836978,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c5e64fbe-df2d-92ff-9943-4904a148f26f\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" *\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836978,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c5e64fbe-df2d-92ff-9943-4904a148f26f\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 219\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836978,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c5e64fbe-df2d-92ff-9943-4904a148f26f\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\". 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       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-streams-low-effort.json

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-low-effort",
-    "recordedAt": "2026-10-02T01:23:16.772Z"
+    "recordedAt": "2026-09-08T03:09:34.363Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"low\",\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"low\",\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
-        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"Let\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" me calculate 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"73 × \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"219.\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\\n\\n173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" × 21\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"9 = 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"73 × (\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"200 +\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 19)\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\\n= 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"73 × \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"200 +\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" × 19\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904193,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-c369af93-ee05-9a82-a19b-6ff6348dbb7d\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\\n= 3\"Line truncated
+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"Let\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" me calculate 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"73 × \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"219.\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\\n\\n173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" × 21\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"9 = 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"73 × (\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"200 +\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 19)\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\\n= 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"73 × \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"200 +\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" × 19\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836971,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-917106a3-dfdd-9124-82dc-900de2edcf25\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\\n= 3\"Line truncated
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-streams-max-effort.json

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-max-effort",
-    "recordedAt": "2026-10-02T01:23:30.455Z"
+    "recordedAt": "2026-09-08T03:09:49.033Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"max\",\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"max\",\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
-        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"We\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" need answer user\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\":\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" \\\"What is \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"173 multiplied\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" by 21\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"9? Reply with\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" only the final integer\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".\\\" Need compute.\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"*219\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" = 17\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"3*(20\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"0+19\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\")=346\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904206,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-03edb52e-dc72-9acc-980c-3f783db5a23e\",\"choices\":[{\"delta\":{\"conLine truncated
+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"We\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" need answer user's\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" simple arithmetic\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\": 17\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"3 * 2\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"19\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\". Need final only\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" integer. Compute:\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"*200\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"=346\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"00;\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"*19=\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"3287\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836985,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-5202c901-3c72-9b43-8a9f-3db17d85a1cb\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoningLine truncated
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-streams-medium-effort.json

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-medium-effort",
-    "recordedAt": "2026-10-02T01:23:20.103Z"
+    "recordedAt": "2026-09-08T03:09:38.233Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"medium\",\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"medium\",\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
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       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-streams-minimal-effort.json

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-minimal-effort",
-    "recordedAt": "2026-10-02T01:23:12.765Z"
+    "recordedAt": "2026-09-08T03:09:31.692Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
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       },
       "response": {
         "status": 200,
         "headers": {
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{\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" × 21\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"9 = 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"73 × (\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"200 +\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 19)\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\\n= 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"73 × \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"200 +\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"173 ×\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-072fe561-8338-9cb0-b95c-7a4dea45151e\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 19\\n\"},\Line truncated
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-streams-none-effort.json

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-none-effort",
-    "recordedAt": "2026-10-02T01:23:09.451Z"
+    "recordedAt": "2026-09-08T03:09:27.584Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"none\",\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"none\",\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
-        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-57af8f93-1645-9a5f-8730-a0ba61a834df\",\"created\":1790904188,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-57af8f93-1645-9a5f-8730-a0ba61a834df\",\"choices\":[{\"delta\":{\"content\":\"3\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904188,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-57af8f93-1645-9a5f-8730-a0ba61a834df\",\"choices\":[{\"delta\":{\"content\":\"78\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904188,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-57af8f93-1645-9a5f-8730-a0ba61a834df\",\"choices\":[{\"delta\":{\"content\":\"87\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904188,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-57af8f93-1645-9a5f-8730-a0ba61a834df\",\"choices\":[{\"delta\":{\"content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1790904188,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1790904188,\"id\":\"chatcmpl-57af8f93-1645-9a5f-8730-a0ba61a834df\",\"model\":\"qwen3.8-max\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":5,\"prompt_tokens\":32,\"prompt_tokens_details\":{\"cache_creation\":{\"ephemeral_5m_input_tokens\":0},\"cache_creation_input_tokens\":0,\"cache_type\":\"ephemeral\",\"cache_write_tokens\":0,\"cached_tokens\":0,\"text_tokens\":32},\"total_tokens\":37}}\n\ndata: [DONE]\n\n"
+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-d8fbc8fe-4d5a-9dc9-84c6-ed0c7b9dd3bb\",\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-d8fbc8fe-4d5a-9dc9-84c6-ed0c7b9dd3bb\",\"choices\":[{\"delta\":{\"content\":\"3\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-d8fbc8fe-4d5a-9dc9-84c6-ed0c7b9dd3bb\",\"choices\":[{\"delta\":{\"content\":\"78\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-d8fbc8fe-4d5a-9dc9-84c6-ed0c7b9dd3bb\",\"choices\":[{\"delta\":{\"content\":\"87\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-d8fbc8fe-4d5a-9dc9-84c6-ed0c7b9dd3bb\",\"choices\":[{\"delta\":{\"content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1788836967,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1788836967,\"id\":\"chatcmpl-d8fbc8fe-4d5a-9dc9-84c6-ed0c7b9dd3bb\",\"model\":\"qwen3.8-max\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":5,\"prompt_tokens\":32,\"prompt_tokens_details\":{\"cached_tokens\":0,\"text_tokens\":32},\"total_tokens\":37}}\n\ndata: [DONE]\n\n"
       }
     }
   ]

packages/ai/test/fixtures/recordings/alibaba-chat/qwen-3-8-max-streams-xhigh-effort.json

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-xhigh-effort",
-    "recordedAt": "2026-10-02T01:23:26.218Z"
+    "recordedAt": "2026-09-08T03:09:45.046Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"xhigh\",\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"xhigh\",\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
-        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"We\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" need answer user\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"'s simple arithmetic\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\": 17\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"3 * 2\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"19\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\". Need final only\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" integer. Compute:\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"*200\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"=346\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"00; \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"173*\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"19=3\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"287 (\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904202,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-f41d90aa-e292-9caa-877c-71a2b9cb68cd\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoniLine truncated
+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"We\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" need answer user\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\":\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" \\\"What is \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"173 multiplied\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" by 21\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"9? Reply with\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" only the final integer\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".\\\" Need compute \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"173*\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"219.\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" Let's calculate:\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"173*\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"2\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836981,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-1368c495-69aa-9ddb-8f16-35cd13a310f1\",\"choices\":[{\"delta\":{\Line truncated
       }
     }
   ]

packages/ai/test/fixtures/recordings/digitalocean-chat/gpt-nano-continues-a-tool-call-with-cache-markers.json

@@ -1,54 +0,0 @@
-{
-  "version": 1,
-  "metadata": {
-    "model": "openai-gpt-5-nano",
-    "tags": [
-      "prefix:digitalocean-chat",
-      "provider:digitalocean",
-      "protocol:digitalocean-chat",
-      "cache",
-      "tool",
-      "tool-loop"
-    ],
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-    "recordedAt": "2026-10-01T07:36:41.717Z"
-  },
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-      "transport": "http",
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-        "url": "https://inference.do-ai.run/v1/chat/completions",
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-          "content-type": "application/json"
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-      }
-    },
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-      "transport": "http",
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-      }
-    }
-  ]
-}

packages/ai/test/fixtures/recordings/digitalocean-chat/gpt-nano-reuses-a-cached-prompt.json

@@ -1,53 +0,0 @@
-{
-  "version": 1,
-  "metadata": {
-    "model": "openai-gpt-5-nano",
-    "tags": [
-      "prefix:digitalocean-chat",
-      "provider:digitalocean",
-      "protocol:digitalocean-chat",
-      "cache",
-      "usage"
-    ],
-    "name": "digitalocean-chat/gpt-nano-reuses-a-cached-prompt",
-    "recordedAt": "2026-10-01T07:36:40.074Z"
-  },
-  "interactions": [
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://inference.do-ai.run/v1/chat/completions",
-        "headers": {
-          "content-type": "application/json"
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-        "body": "{\"model\":\"openai-gpt-5-nano\",\"messages\":[{\"role\":\"system\",\"content\":[{\"type\":\"text\",\"text\":\"You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid fillLine truncated
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-      }
-    },
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://inference.do-ai.run/v1/chat/completions",
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Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid fillLine truncated
-      },
-      "response": {
-        "status": 200,
-        "headers": {
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-      }
-    }
-  ]
-}

packages/ai/test/fixtures/recordings/digitalocean-chat/haiku-continues-a-tool-call-with-cache-markers.json

@@ -1,54 +0,0 @@
-{
-  "version": 1,
-  "metadata": {
-    "model": "anthropic-claude-haiku-4.5",
-    "tags": [
-      "prefix:digitalocean-chat",
-      "provider:digitalocean",
-      "protocol:digitalocean-chat",
-      "cache",
-      "tool",
-      "tool-loop"
-    ],
-    "name": "digitalocean-chat/haiku-continues-a-tool-call-with-cache-markers",
-    "recordedAt": "2026-10-01T07:36:38.471Z"
-  },
-  "interactions": [
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://inference.do-ai.run/v1/chat/completions",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"model\":\"anthropic-claude-haiku-4.5\",\"messages\":[{\"role\":\"system\",\"content\":[{\"type\":\"text\",\"text\":\"Use the get_weather tool exactly once. After the tool result, reply exactly: Paris is sunny.\",\"cache_control\":{\"type\":\"ephemeral\"}}]},{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is the weather in Paris?\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get current weather for a city.\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}},\"required\":[\"city\"],\"additionalProperties\":false},\"strict\":false},\"cache_control\":{\"type\":\"ephemeral\"}}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"store\":false,\"max_completion_tokens\":128}"
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "text/event-stream"
-        },
-        "body": "data: {\"choices\":[{\"delta\":{\"content\":\"\",\"role\":\"assistant\"},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1790840197,\"id\":\"chatcmpl-ccddd771-e8a6-4b59-b819-614f79ac4624\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[{\"delta\":{\"tool_calls\":[{\"function\":{\"arguments\":\"\",\"name\":\"get_weather\"},\"id\":\"toolu_014LEa2F66CGw2SoLmWBeH5C\",\"index\":0,\"type\":\"function\"}]},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1790840197,\"id\":\"chatcmpl-ccddd771-e8a6-4b59-b819-614f79ac4624\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[{\"delta\":{\"tool_calls\":[{\"function\":{\"arguments\":\"\"},\"index\":0,\"type\":\"function\"}]},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1790840197,\"id\":\"chatcmpl-ccddd771-e8a6-4b59-b819-614f79ac4624\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[{\"delta\":{\"tool_calls\":[{\"function\":{\"arguments\":\"{\\\"city\\\"\"},\"index\":0,\"type\":\"function\"}]},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1790840197,\"id\":\"chatcmpl-ccddd771-e8a6-4b59-b819-614f79ac4624\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[{\"delta\":{\"tool_calls\":[{\"function\":{\"arguments\":\": \\\"Pari\"},\"index\":0,\"type\":\"function\"}]},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1790840197,\"id\":\"chatcmpl-ccddd771-e8a6-4b59-b819-614f79ac4624\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[{\"delta\":{\"tool_calls\":[{\"function\":{\"arguments\":\"s\\\"}\"},\"index\":0,\"type\":\"function\"}]},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1790840197,\"id\":\"chatcmpl-ccddd771-e8a6-4b59-b819-614f79ac4624\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[{\"delta\":{},\"finish_reason\":\"tool_calls\",\"index\":0,\"logprobs\":null}],\"created\":1790840197,\"id\":\"chatcmpl-ccddd771-e8a6-4b59-b819-614f79ac4624\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[],\"created\":1790840197,\"id\":\"chatcmpl-ccddd771-e8a6-4b59-b819-614f79ac4624\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\",\"usage\":{\"cache_created_input_tokens\":0,\"cache_creation\":{\"ephemeral_1h_input_tokens\":0,\"ephemeral_5m_input_tokens\":0},\"cache_read_input_tokens\":0,\"completion_tokens\":54,\"completion_tokens_details\":{\"reasoning_tokens\":0},\"prompt_tokens\":593,\"prompt_tokens_details\":{\"cached_tokens\":0},\"speed\":null,\"total_tokens\":647}}\n\ndata: [DONE]\n\n"
-      }
-    },
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://inference.do-ai.run/v1/chat/completions",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"model\":\"anthropic-claude-haiku-4.5\",\"messages\":[{\"role\":\"system\",\"content\":[{\"type\":\"text\",\"text\":\"Use the get_weather tool exactly once. After the tool result, reply exactly: Paris is sunny.\",\"cache_control\":{\"type\":\"ephemeral\"}}]},{\"role\":\"user\",\"content\":\"What is the weather in Paris?\"},{\"role\":\"assistant\",\"content\":null,\"tool_calls\":[{\"id\":\"toolu_014LEa2F66CGw2SoLmWBeH5C\",\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"arguments\":\"{\\\"city\\\":\\\"Paris\\\"}\"}}]},{\"role\":\"tool\",\"tool_call_id\":\"toolu_014LEa2F66CGw2SoLmWBeH5C\",\"content\":[{\"type\":\"text\",\"text\":\"{\\\"temperature\\\":22,\\\"condition\\\":\\\"sunny\\\"}\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get current weather for a city.\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}},\"required\":[\"city\"],\"additionalProperties\":false},\"strict\":false},\"cache_control\":{\"type\":\"ephemeral\"}}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"store\":false,\"max_completion_tokens\":128}"
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "text/event-stream"
-        },
-        "body": "data: {\"choices\":[{\"delta\":{\"content\":\"Paris\",\"role\":\"assistant\"},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1790840198,\"id\":\"chatcmpl-3914ee28-f256-4a49-994f-49365922a7a6\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[{\"delta\":{\"content\":\" is sunny.\"},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1790840198,\"id\":\"chatcmpl-3914ee28-f256-4a49-994f-49365922a7a6\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[{\"delta\":{},\"finish_reason\":\"stop\",\"index\":0,\"logprobs\":null}],\"created\":1790840198,\"id\":\"chatcmpl-3914ee28-f256-4a49-994f-49365922a7a6\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[],\"created\":1790840198,\"id\":\"chatcmpl-3914ee28-f256-4a49-994f-49365922a7a6\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\",\"usage\":{\"cache_created_input_tokens\":0,\"cache_creation\":{\"ephemeral_1h_input_tokens\":0,\"ephemeral_5m_input_tokens\":0},\"cache_read_input_tokens\":0,\"completion_tokens\":7,\"completion_tokens_details\":{\"reasoning_tokens\":0},\"prompt_tokens\":668,\"prompt_tokens_details\":{\"cached_tokens\":0},\"speed\":null,\"total_tokens\":675}}\n\ndata: [DONE]\n\n"
-      }
-    }
-  ]
-}

packages/ai/test/fixtures/recordings/digitalocean-chat/haiku-reuses-a-cached-prompt.json

@@ -1,53 +0,0 @@
-{
-  "version": 1,
-  "metadata": {
-    "model": "anthropic-claude-haiku-4.5",
-    "tags": [
-      "prefix:digitalocean-chat",
-      "provider:digitalocean",
-      "protocol:digitalocean-chat",
-      "cache",
-      "usage"
-    ],
-    "name": "digitalocean-chat/haiku-reuses-a-cached-prompt",
-    "recordedAt": "2026-10-01T07:36:36.689Z"
-  },
-  "interactions": [
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://inference.do-ai.run/v1/chat/completions",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"model\":\"anthropic-claude-haiku-4.5\",\"messages\":[{\"role\":\"system\",\"content\":[{\"type\":\"text\",\"text\":\"You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and aLine truncated
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "text/event-stream"
-        },
-        "body": "data: {\"choices\":[{\"delta\":{\"content\":\"OK\",\"role\":\"assistant\"},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1790840195,\"id\":\"chatcmpl-94f208e5-82fa-4ec6-b014-1b4ea9fbb98c\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[{\"delta\":{},\"finish_reason\":\"stop\",\"index\":0,\"logprobs\":null}],\"created\":1790840195,\"id\":\"chatcmpl-94f208e5-82fa-4ec6-b014-1b4ea9fbb98c\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[],\"created\":1790840195,\"id\":\"chatcmpl-94f208e5-82fa-4ec6-b014-1b4ea9fbb98c\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\",\"usage\":{\"cache_created_input_tokens\":5759,\"cache_creation\":{\"ephemeral_1h_input_tokens\":0,\"ephemeral_5m_input_tokens\":5759},\"cache_read_input_tokens\":0,\"completion_tokens\":4,\"completion_tokens_details\":{\"reasoning_tokens\":0},\"prompt_tokens\":5762,\"prompt_tokens_details\":{\"cached_tokens\":0},\"speed\":null,\"total_tokens\":5766}}\n\ndata: [DONE]\n\n"
-      }
-    },
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://inference.do-ai.run/v1/chat/completions",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"model\":\"anthropic-claude-haiku-4.5\",\"messages\":[{\"role\":\"system\",\"content\":[{\"type\":\"text\",\"text\":\"You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and avoid filler. Cite numbers when known. You are a concise, factual assistant. Answer precisely and aLine truncated
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "text/event-stream"
-        },
-        "body": "data: {\"choices\":[{\"delta\":{\"content\":\"OK\",\"role\":\"assistant\"},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1790840196,\"id\":\"chatcmpl-eee2d578-6fab-4fc1-8117-043193225bed\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[{\"delta\":{},\"finish_reason\":\"stop\",\"index\":0,\"logprobs\":null}],\"created\":1790840196,\"id\":\"chatcmpl-eee2d578-6fab-4fc1-8117-043193225bed\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\"}\n\ndata: {\"choices\":[],\"created\":1790840196,\"id\":\"chatcmpl-eee2d578-6fab-4fc1-8117-043193225bed\",\"model\":\"anthropic-claude-haiku-4.5\",\"object\":\"chat.completion.chunk\",\"usage\":{\"cache_created_input_tokens\":0,\"cache_creation\":{\"ephemeral_1h_input_tokens\":0,\"ephemeral_5m_input_tokens\":0},\"cache_read_input_tokens\":5759,\"completion_tokens\":4,\"completion_tokens_details\":{\"reasoning_tokens\":0},\"prompt_tokens\":5762,\"prompt_tokens_details\":{\"cached_tokens\":5759},\"speed\":null,\"total_tokens\":5766}}\n\ndata: [DONE]\n\n"
-      }
-    }
-  ]
-}

packages/ai/test/http-timeout.test.ts

@@ -1,169 +0,0 @@
-import { describe, expect } from "bun:test"
-import { Deferred, Effect, Fiber } from "effect"
-import * as TestClock from "effect/testing/TestClock"
-import { HttpOptions, LLM, mergeHttpOptions } from "../src/index.js"
-import { LLMClient } from "../src/route.js"
-import { configure } from "../src/providers/openai.js"
-import { dynamicResponse } from "./lib/http.js"
-import { deltaChunk, finishChunk } from "./lib/openai-chunks.js"
-import { sseEvents, sseRaw } from "./lib/sse.js"
-import { it } from "./lib/effect.js"
-
-const model = configure({ baseURL: "https://api.openai.test/v1/", apiKey: "test" }).chat("gpt-4.1-mini")
-const SSE = { headers: { "content-type": "text/event-stream" } }
-
-const silentServer = dynamicResponse(() => Effect.never)
-
-const slowHeadersServer = dynamicResponse((input) =>
-  Effect.sleep("10 minutes").pipe(
-    Effect.as(input.respond(sseEvents(deltaChunk({ role: "assistant", content: "Hi" }), finishChunk("stop")), SSE)),
-  ),
-)
-
-// Sends one chunk, then stalls until `resume` releases the rest of the body.
-const stalledServer = Effect.gen(function* () {
-  const stalled = yield* Deferred.make<void>()
-  let resume = () => {}
-  const released = new Promise<void>((resolve) => {
-    resume = resolve
-  })
-  const encoder = new TextEncoder()
-  const layer = dynamicResponse((input) =>
-    Effect.sync(() =>
-      input.respond(
-        new ReadableStream<Uint8Array>({
-          start(controller) {
-            controller.enqueue(encoder.encode(sseRaw(`data: ${JSON.stringify(deltaChunk({ content: "Hi" }))}`)))
-          },
-          async pull(controller) {
-            Deferred.doneUnsafe(stalled, Effect.void)
-            await released
-            controller.enqueue(encoder.encode(sseEvents(finishChunk("stop"))))
-            controller.close()
-          },
-        }),
-        SSE,
-      ),
-    ),
-  )
-  return { layer, stalled, resume: () => resume() }
-})
-
-describe("HTTP transport timeouts", () => {
-  it.effect("fails when response headers take longer than five minutes", () =>
-    Effect.gen(function* () {
-      const fiber = yield* LLMClient.generate(LLM.request({ model, prompt: "Hello" })).pipe(
-        Effect.provide(silentServer),
-        Effect.flip,
-        Effect.forkChild({ startImmediately: true }),
-      )
-      yield* TestClock.adjust("5 minutes")
-      const error = yield* Fiber.join(fiber)
-
-      expect(error.reason).toMatchObject({
-        _tag: "Transport",
-        transport: "http",
-        operation: "request",
-        code: "Timeout",
-      })
-    }),
-  )
-
-  it.effect("fails when the response body stalls for five minutes", () =>
-    Effect.gen(function* () {
-      const server = yield* stalledServer
-      const fiber = yield* LLMClient.generate(LLM.request({ model, prompt: "Hello" })).pipe(
-        Effect.provide(server.layer),
-        Effect.flip,
-        Effect.forkChild({ startImmediately: true }),
-      )
-      yield* Deferred.await(server.stalled)
-      yield* Effect.yieldNow
-      yield* TestClock.adjust("5 minutes")
-      const error = yield* Fiber.join(fiber)
-
-      expect(error.reason).toMatchObject({ _tag: "Transport", transport: "http", operation: "read", code: "Timeout" })
-      expect(error.reason.http).toMatchObject({ status: 200 })
-    }),
-  )
-
-  it.effect("applies a configured header timeout", () =>
-    Effect.gen(function* () {
-      const fiber = yield* LLMClient.generate(
-        LLM.request({ model, prompt: "Hello", http: { headerTimeout: 1_000 } }),
-      ).pipe(Effect.provide(silentServer), Effect.flip, Effect.forkChild({ startImmediately: true }))
-      yield* TestClock.adjust("1 second")
-      const error = yield* Fiber.join(fiber)
-
-      expect(error.reason).toMatchObject({ _tag: "Transport", operation: "request", code: "Timeout" })
-    }),
-  )
-
-  it.effect("disables the header timeout with false", () =>
-    Effect.gen(function* () {
-      const fiber = yield* LLMClient.generate(
-        LLM.request({ model, prompt: "Hello", http: { headerTimeout: false } }),
-      ).pipe(Effect.provide(slowHeadersServer), Effect.forkChild({ startImmediately: true }))
-      yield* TestClock.adjust("10 minutes")
-      const response = yield* Fiber.join(fiber)
-
-      expect(response.text).toBe("Hi")
-    }),
-  )
-
-  it.effect("disables the chunk timeout with false", () =>
-    Effect.gen(function* () {
-      const server = yield* stalledServer
-      const fiber = yield* LLMClient.generate(
-        LLM.request({ model, prompt: "Hello", http: { chunkTimeout: false } }),
-      ).pipe(Effect.provide(server.layer), Effect.forkChild({ startImmediately: true }))
-      yield* Deferred.await(server.stalled)
-      yield* Effect.yieldNow
-      yield* TestClock.adjust("10 minutes")
-      server.resume()
-      const response = yield* Fiber.join(fiber)
-
-      expect(response.text).toBe("Hi")
-    }),
-  )
-
-  it.effect("applies a whole-request timeout while the body is still streaming", () =>
-    Effect.gen(function* () {
-      const server = yield* stalledServer
-      const fiber = yield* LLMClient.generate(
-        LLM.request({ model, prompt: "Hello", http: { timeout: 60_000, chunkTimeout: false } }),
-      ).pipe(Effect.provide(server.layer), Effect.flip, Effect.forkChild({ startImmediately: true }))
-      yield* Deferred.await(server.stalled)
-      yield* Effect.yieldNow
-      yield* TestClock.adjust("1 minute")
-      const error = yield* Fiber.join(fiber)
-
-      expect(error.reason).toMatchObject({ _tag: "Transport", operation: "read", code: "Timeout" })
-    }),
-  )
-
-  it.effect("bounds the header wait by a shorter whole-request timeout", () =>
-    Effect.gen(function* () {
-      const fiber = yield* LLMClient.generate(
-        LLM.request({ model, prompt: "Hello", http: { timeout: 1_000, headerTimeout: false } }),
-      ).pipe(Effect.provide(silentServer), Effect.flip, Effect.forkChild({ startImmediately: true }))
-      yield* TestClock.adjust("1 second")
-      const error = yield* Fiber.join(fiber)
-
-      expect(error.reason).toMatchObject({ _tag: "Transport", operation: "request", code: "Timeout" })
-    }),
-  )
-
-  it.effect("merges timeouts with later values winning", () =>
-    Effect.sync(() => {
-      const merged = mergeHttpOptions(
-        new HttpOptions({ timeout: 5_000, headerTimeout: 1_000, chunkTimeout: 2_000 }),
-        new HttpOptions({ headers: { a: "b" } }),
-        new HttpOptions({ chunkTimeout: false }),
-      )
-
-      expect(merged).toMatchObject({ headers: { a: "b" }, timeout: 5_000, headerTimeout: 1_000, chunkTimeout: false })
-      expect(mergeHttpOptions(new HttpOptions({}), undefined)).toBeUndefined()
-    }),
-  )
-})

packages/ai/test/provider-error.test.ts

@@ -15,7 +15,6 @@ describe("provider error classification", () => {
       "Prompt has 5,958,968 tokens, but the configured context size is 256,000 tokens",
       "Range of input length should be [1, 129024]",
       "Too many tokens",
-      "Input validation error: `inputs` tokens + `max_new_tokens` must be <= 131073. Given: 600035 `inputs` tokens and 16 `max_new_tokens`",
       "Token limit exceeded",
     ]
 

packages/ai/test/provider/anthropic-messages.test.ts

@@ -314,9 +314,6 @@ describe("Anthropic Messages route", () => {
         "claude-haiku-5-1",
         "claude-fable-6",
         "anthropic/claude-mythos-7.2",
-        "claude-sonnet-5-5",
-        "claude-opus-4-8@20260101",
-        "claude-nova-6",
       ]
 
       const prepared = yield* Effect.forEach(ids, (id) =>
@@ -1676,40 +1673,6 @@ describe("Anthropic Messages route", () => {
     }),
   )
 
-  it.effect("carries a refusal's category and explanation on the content-filter finish", () =>
-    Effect.gen(function* () {
-      const refusal = (stop_details: unknown) =>
-        LLMClient.generate(request).pipe(
-          Effect.provide(
-            fixedResponse(
-              sseEvents(
-                { type: "message_start", message: { usage: { input_tokens: 5 } } },
-                { type: "message_delta", delta: { stop_reason: "refusal", stop_details }, usage: { output_tokens: 0 } },
-                { type: "message_stop" },
-              ),
-            ),
-          ),
-        )
-
-      expect(
-        (yield* refusal({
-          type: "refusal",
-          category: "cyber",
-          explanation: "This request was declined because it could enable cyber harm.",
-        })).finishReason,
-      ).toEqual({
-        normalized: "content-filter",
-        raw: "refusal",
-        category: "cyber",
-        explanation: "This request was declined because it could enable cyber harm.",
-      })
-      expect((yield* refusal({ type: "refusal", category: null, explanation: null })).finishReason).toEqual({
-        normalized: "content-filter",
-        raw: "refusal",
-      })
-    }),
-  )
-
   it.effect("assembles streamed tool call input", () =>
     Effect.gen(function* () {
       const body = sseEvents(

packages/ai/test/provider/bedrock-converse.test.ts

@@ -648,177 +648,6 @@ describe("Bedrock Converse route", () => {
     }),
   )
 
-  it.effect("hoists tool-result images beside the result for Bedrock GPT models", () =>
-    Effect.gen(function* () {
-      const prepared = yield* compileRequest(
-        LLM.request({
-          model: AmazonBedrock.configure({ baseURL: "https://bedrock-runtime.test", apiKey: "test-bearer" }).model(
-            "global.openai.gpt-6-sol",
-          ),
-          messages: [
-            Message.user("What is in this image?"),
-            Message.assistant([ToolCallPart.make({ id: "tool_1", name: "read", input: {} })]),
-            Message.tool({
-              id: "tool_1",
-              name: "read",
-              result: {
-                type: "content",
-                value: [
-                  { type: "text", text: "Image loaded." },
-                  { type: "file", uri: "data:image/png;base64,AAAA", mime: "image/png" },
-                  { type: "file", uri: "data:application/pdf;base64,QkI=", mime: "application/pdf", name: "note.pdf" },
-                ],
-              },
-            }),
-          ],
-          cache: "none",
-        }),
-      )
-
-      expect(prepared.body.messages[2]).toEqual({
-        role: "user",
-        content: [
-          {
-            toolResult: {
-              toolUseId: "tool_1",
-              content: [
-                { text: "Image loaded." },
-                { text: 'Attached file "note.pdf" has document label "note".' },
-                { document: { format: "pdf", name: "note", source: { bytes: "QkI=" } } },
-              ],
-              status: "success",
-            },
-          },
-          { image: { format: "png", source: { bytes: "AAAA" } } },
-        ],
-      })
-    }),
-  )
-
-  it.effect("hoists tool-result images for other Bedrock model families", () =>
-    Effect.gen(function* () {
-      for (const id of [
-        "qwen.qwen3-vl-235b-a22b",
-        "global.xai.grok-4.7",
-        "global.moonshotai.kimi-k3",
-        "us.meta.llama4-scout-17b-instruct-v1:0",
-      ]) {
-        const prepared = yield* compileRequest(
-          LLM.request({
-            model: AmazonBedrock.configure({ baseURL: "https://bedrock-runtime.test", apiKey: "test-bearer" }).model(
-              id,
-            ),
-            messages: [
-              Message.assistant([ToolCallPart.make({ id: "tool_1", name: "read", input: {} })]),
-              Message.tool({
-                id: "tool_1",
-                name: "read",
-                result: {
-                  type: "content",
-                  value: [{ type: "file", uri: "data:image/png;base64,AAAA", mime: "image/png" }],
-                },
-              }),
-            ],
-            cache: "none",
-          }),
-        )
-        expect(prepared.body.messages[1]).toEqual({
-          role: "user",
-          content: [
-            { toolResult: { toolUseId: "tool_1", content: [{ text: "See attached image." }], status: "success" } },
-            { image: { format: "png", source: { bytes: "AAAA" } } },
-          ],
-        })
-      }
-    }),
-  )
-  ;["global.anthropic.claude-sonnet-4-5-20250929-v1:0", "us.amazon.nova-pro-v1:0"].forEach((id) => {
-    it.effect(`keeps ${id} tool images inside the result`, () =>
-      Effect.gen(function* () {
-        const prepared = yield* compileRequest(
-          LLM.request({
-            model: AmazonBedrock.configure({ baseURL: "https://bedrock-runtime.test", apiKey: "test-bearer" }).model(
-              id,
-            ),
-            messages: [
-              Message.assistant([ToolCallPart.make({ id: "tool_1", name: "read", input: {} })]),
-              Message.tool({
-                id: "tool_1",
-                name: "read",
-                result: {
-                  type: "content",
-                  value: [{ type: "file", uri: "data:image/png;base64,AAAA", mime: "image/png" }],
-                },
-              }),
-            ],
-            cache: "none",
-          }),
-        )
-
-        expect(prepared.body.messages[1]).toEqual({
-          role: "user",
-          content: [
-            {
-              toolResult: {
-                toolUseId: "tool_1",
-                content: [{ image: { format: "png", source: { bytes: "AAAA" } } }],
-                status: "success",
-              },
-            },
-          ],
-        })
-      }),
-    )
-  })
-
-  it.effect("keeps parallel tool results before hoisted images and gives image-only results text", () =>
-    Effect.gen(function* () {
-      const prepared = yield* compileRequest(
-        LLM.request({
-          model: AmazonBedrock.configure({ baseURL: "https://bedrock-runtime.test", apiKey: "test-bearer" }).model(
-            "global.openai.gpt-6-sol",
-          ),
-          messages: [
-            Message.assistant([
-              ToolCallPart.make({ id: "tool_1", name: "first", input: {} }),
-              ToolCallPart.make({ id: "tool_2", name: "second", input: {} }),
-            ]),
-            Message.tool({
-              id: "tool_1",
-              name: "first",
-              result: {
-                type: "content",
-                value: [{ type: "file", uri: "data:image/png;base64,AAAA", mime: "image/png" }],
-              },
-            }),
-            Message.tool({
-              id: "tool_2",
-              name: "second",
-              result: {
-                type: "content",
-                value: [
-                  { type: "text", text: "Second image." },
-                  { type: "file", uri: "data:image/jpeg;base64,BBBB", mime: "image/jpeg" },
-                ],
-              },
-            }),
-          ],
-          cache: "none",
-        }),
-      )
-
-      expect(prepared.body.messages[1]).toEqual({
-        role: "user",
-        content: [
-          { toolResult: { toolUseId: "tool_1", content: [{ text: "See attached image." }], status: "success" } },
-          { toolResult: { toolUseId: "tool_2", content: [{ text: "Second image." }], status: "success" } },
-          { image: { format: "png", source: { bytes: "AAAA" } } },
-          { image: { format: "jpeg", source: { bytes: "BBBB" } } },
-        ],
-      })
-    }),
-  )
-
   it.effect("decodes text-delta + messageStop + metadata usage from binary event stream", () =>
     Effect.gen(function* () {
       const body = eventStreamBody(

packages/ai/test/provider/digitalocean.recorded.test.ts

@@ -1,78 +0,0 @@
-import { describe, expect } from "bun:test"
-import { Effect } from "effect"
-import { LLM, LLMRequest } from "../../src/index.js"
-import { DigitalOcean } from "../../src/providers/digitalocean.js"
-import { LLMClient } from "../../src/route.js"
-import {
-  LARGE_CACHEABLE_SYSTEM,
-  expectWeatherToolLoop,
-  goldenWeatherToolLoopRequest,
-  runWeatherToolLoop,
-} from "../recorded-scenarios.js"
-import { recordedTests } from "../recorded-test.js"
-
-const recorded = recordedTests({
-  prefix: "digitalocean-chat",
-  provider: "digitalocean",
-  protocol: "digitalocean-chat",
-  requires: ["DIGITAL_OCEAN_OFFICIAL_API_KEY"],
-})
-
-for (const item of [
-  { id: "anthropic-claude-haiku-4.5", name: "Haiku", maxTokens: 128, providerOptions: undefined },
-  { id: "openai-gpt-5-nano", name: "GPT Nano", maxTokens: 1024, providerOptions: { reasoningEffort: "minimal" } },
-] as const) {
-  const model = DigitalOcean.configure({
-    apiKey: process.env.DIGITAL_OCEAN_OFFICIAL_API_KEY ?? "fixture",
-    providerOptions: item.providerOptions,
-  }).model(item.id)
-
-  describe(`DigitalOcean ${item.name} recorded`, () => {
-    recorded.effect.with(
-      `${item.name} reuses a cached prompt`,
-      { tags: ["cache", "usage"], metadata: { model: item.id } },
-      () =>
-        Effect.gen(function* () {
-          const request = LLM.request({
-            model,
-            system: LARGE_CACHEABLE_SYSTEM,
-            prompt: "Reply exactly: OK",
-            promptCacheKey: `digitalocean-recorded-${item.id}`,
-            generation: { maxTokens: item.maxTokens },
-          })
-          const first = yield* LLMClient.generate(request)
-          const second = yield* LLMClient.generate(request)
-
-          expect(first.text.trim()).toMatch(/^OK\.?$/)
-          expect(second.text.trim()).toMatch(/^OK\.?$/)
-          expect(second.usage.cacheReadInputTokens).toBeGreaterThan(0)
-          for (const response of [first, second]) {
-            expect(response.usage.inputTokens).toBeGreaterThan(4096)
-            expect(response.usage.inputTokens).toBe(
-              (response.usage.nonCachedInputTokens ?? 0) +
-                (response.usage.cacheReadInputTokens ?? 0) +
-                (response.usage.cacheWriteInputTokens ?? 0),
-            )
-          }
-        }),
-      60_000,
-    )
-
-    recorded.effect.with(
-      `${item.name} continues a tool call with cache markers`,
-      { tags: ["cache", "tool", "tool-loop"], metadata: { model: item.id } },
-      () =>
-        Effect.gen(function* () {
-          const request = goldenWeatherToolLoopRequest({
-            id: `digitalocean-${item.id}-tool-loop`,
-            model,
-            maxTokens: item.maxTokens,
-            temperature: false,
-          })
-          const events = yield* runWeatherToolLoop(LLMRequest.update(request, { cache: "auto" }))
-          expectWeatherToolLoop(events)
-        }),
-      60_000,
-    )
-  })
-}

packages/ai/test/provider/digitalocean.test.ts

@@ -1,123 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { Effect } from "effect"
-import { CacheHint, LLM } from "../../src/index.js"
-import { compileRequest } from "../../src/route/client.js"
-import { DigitalOcean } from "../../src/providers/digitalocean.js"
-import { it } from "../lib/effect.js"
-import { fixedResponse } from "../lib/http.js"
-import { sseEvents } from "../lib/sse.js"
-import { LLMClient } from "../../src/route.js"
-
-describe("DigitalOcean", () => {
-  test("preserves package entrypoint headers and body overrides", () => {
-    const model = DigitalOcean.model("anthropic-claude-fable-5.1", {
-      apiKey: "test-key",
-      headers: { "X-Test": "fixture" },
-      body: { temperature: 0 },
-    })
-    expect(model.route.defaults?.http).toMatchObject({
-      headers: { "X-Test": "fixture" },
-      body: { temperature: 0 },
-    })
-  })
-
-  it.effect("prepares DigitalOcean models with default endpoint and auth", () =>
-    Effect.gen(function* () {
-      const model = DigitalOcean.configure({ apiKey: "test-key" }).model("anthropic-claude-fable-5.1")
-
-      expect(model).toMatchObject({
-        id: "anthropic-claude-fable-5.1",
-        provider: "digitalocean",
-        route: { id: "digitalocean" },
-      })
-      expect(model.route.endpoint.baseURL).toBe("https://inference.do-ai.run/v1")
-
-      const prepared = yield* compileRequest(LLM.request({ model, prompt: "Say hello.", cache: "none" }))
-
-      expect(prepared.route).toBe("digitalocean")
-      expect(prepared.body).toMatchObject({
-        model: "anthropic-claude-fable-5.1",
-        messages: [{ role: "user", content: "Say hello." }],
-        stream: true,
-      })
-    }),
-  )
-
-  it.effect("lowers the native cache policy to DigitalOcean cache_control markers", () =>
-    Effect.gen(function* () {
-      const prepared = yield* compileRequest(
-        LLM.request({
-          model: DigitalOcean.configure({ apiKey: "test-key" }).model("anthropic-claude-fable-5.1"),
-          system: [
-            { type: "text", text: "Base agent", cache: new CacheHint({ type: "ephemeral", ttlSeconds: 3_600 }) },
-            { type: "text", text: "Project instructions" },
-          ],
-          tools: [{ name: "lookup", description: "Lookup", inputSchema: { type: "object", properties: {} } }],
-          prompt: "Hello",
-          cache: { tools: true, system: true, messages: { tail: 1 } },
-        }),
-      )
-
-      expect(prepared.body).toMatchObject({
-        tools: [{ cache_control: { type: "ephemeral" } }],
-        messages: [
-          {
-            role: "system",
-            content: [
-              { text: "Base agent", cache_control: { type: "ephemeral", ttl: "1h" } },
-              { text: "Project instructions", cache_control: { type: "ephemeral" } },
-            ],
-          },
-          {
-            role: "user",
-            content: [{ text: "Hello", cache_control: { type: "ephemeral" } }],
-          },
-        ],
-      })
-    }),
-  )
-
-  it.effect("parses DigitalOcean cache usage fields into AI.Usage", () =>
-    Effect.gen(function* () {
-      const model = DigitalOcean.configure({ apiKey: "test-key" }).model("anthropic-claude-fable-5.1")
-      const response = yield* LLMClient.generate(LLM.request({ model, prompt: "Say OK" })).pipe(
-        Effect.provide(
-          fixedResponse(
-            sseEvents(
-              {
-                id: "chatcmpl-1",
-                object: "chat.completion.chunk",
-                created: 1,
-                model: "anthropic-claude-fable-5.1",
-                choices: [{ index: 0, delta: { content: "OK" }, finish_reason: null }],
-              },
-              {
-                id: "chatcmpl-1",
-                object: "chat.completion.chunk",
-                created: 1,
-                model: "anthropic-claude-fable-5.1",
-                choices: [{ index: 0, delta: {}, finish_reason: "stop" }],
-                usage: {
-                  prompt_tokens: 4491,
-                  completion_tokens: 8,
-                  total_tokens: 4499,
-                  cache_read_input_tokens: 4483,
-                  cache_created_input_tokens: 0,
-                },
-              },
-              "[DONE]",
-            ),
-          ),
-        ),
-      )
-
-      expect(response.usage).toMatchObject({
-        inputTokens: 4491,
-        outputTokens: 8,
-        nonCachedInputTokens: 8,
-        cacheReadInputTokens: 4483,
-        totalTokens: 4499,
-      })
-    }),
-  )
-})

packages/ai/test/provider/google-vertex.test.ts

@@ -302,7 +302,6 @@ describe("Google Vertex providers", () => {
 
       expect(model.provider).toBe("google-vertex")
       expect(response.text).toBe("Hello.")
-      expect(response.usage?.providerMetadata).toHaveProperty("vertex")
     }),
   )
 

packages/ai/test/provider/groq.recorded.test.ts

@@ -171,7 +171,6 @@ describe("Groq recorded", () => {
         expect(response.text).not.toContain("<think>")
         expect(response.reasoning.length).toBeGreaterThan(0)
         expect(response.events.some(LLMEvent.is.reasoningDelta)).toBe(true)
-        expect(response.usage?.providerMetadata).toHaveProperty("groq")
         expectUsage(response)
       }),
     60_000,

packages/ai/test/provider/native-providers.test.ts

@@ -48,7 +48,7 @@ describe("native OpenAI-compatible providers", () => {
       [GoogleVertex.configure(vertex).model("model"), "vertex"],
       [GoogleVertexChat.configure(vertex).model("model"), "vertex"],
       [GoogleVertexResponses.configure(vertex).model("model"), "vertex"],
-      [GoogleVertexMessages.configure(vertex).model("model"), "vertex"],
+      [GoogleVertexMessages.configure(vertex).model("model"), "anthropic"],
       [Anthropic.configure({ apiKey: "test" }).model("model"), "anthropic"],
       [
         AnthropicCompatible.configure({ baseURL: "https://example.test/v1", provider: "minimax" }).model("model"),
@@ -64,7 +64,6 @@ describe("native OpenAI-compatible providers", () => {
       [DeepSeek.configure({ apiKey: "test" }).model("model"), "deepseek"],
       [Fireworks.configure({ apiKey: "test" }).model("model"), "fireworks"],
       [DeepInfra.configure({ apiKey: "test" }).model("model"), "deepinfra"],
-      [Groq.configure({ apiKey: "test" }).model("model"), "groq"],
       [TogetherAI.configure({ apiKey: "test" }).model("model"), "togetherai"],
       [CloudflareAIGateway.configure({ accountId: "account" }).model("model"), "cloudflare-ai-gateway"],
       [CloudflareWorkersAI.configure({ accountId: "account" }).model("model"), "cloudflare-workers-ai"],

packages/ai/test/provider/openai-chat.test.ts

@@ -2205,7 +2205,7 @@ describe("OpenAI Chat route", () => {
       )
 
       expect((yield* Ref.get(events)).some((event) => event.type === "text-delta")).toBeTrue()
-      expect(error.message).toBe("Connection lost while reading the response: ECONNRESET: socket closed unexpectedly")
+      expect(error.message).toBe("ECONNRESET: socket closed unexpectedly")
       expect(error.reason).toMatchObject({
         _tag: "Transport",
         transport: "http",
@@ -2223,7 +2223,7 @@ describe("OpenAI Chat route", () => {
         Effect.flip,
       )
 
-      expect(error.message).toBe("Connection lost while reading the response: ECONNRESET: socket closed before output")
+      expect(error.message).toBe("ECONNRESET: socket closed before output")
       expect(error.reason).toMatchObject({
         _tag: "Transport",
         transport: "http",

packages/app/component-tests/browser-pane-restore.spec.ts

@@ -1,61 +0,0 @@
-import { fileURLToPath } from "node:url"
-import { expect, story } from "../../storybook/playwright/story"
-
-const source = (path: string) => `/@fs/${fileURLToPath(new URL(path, import.meta.url)).replaceAll("\\", "/")}`
-const modules = {
-  fixture: source("../../gui-extensions/src/browser/panel.fixture.tsx"),
-  host: source("../src/runtime/extension/host.tsx"),
-  panels: source("../src/runtime/extension/panels.tsx"),
-  language: source("../src/runtime/i18n/language.tsx"),
-  browser: source("../../gui-extensions/src/browser/index.ts"),
-  browserRenderer: source("../../gui-extensions/src/browser/renderer.tsx"),
-  file: source("../../gui-extensions/src/file/index.ts"),
-  fileRenderer: source("../../gui-extensions/src/file/renderer.tsx"),
-}
-
-story(
-  "keeps a restored browser tab selected and undrawn until the desktop's first inventory",
-  async ({ mount, page }) => {
-    // Any story loads the app styles; the fixture mounts the real side region and extensions beside it.
-    await mount("ui-line-comment--editor")
-    await page.evaluate(async (modules) => {
-      const [{ mountBrowserRegion }, host, panels, language, browser, file] = await Promise.all([
-        import(modules.fixture),
-        import(modules.host),
-        import(modules.panels),
-        import(modules.language),
-        import(modules.browser),
-        import(modules.file),
-      ])
-      mountBrowserRegion({
-        LanguageProvider: language.LanguageProvider,
-        ExtensionHostProvider: host.ExtensionHostProvider,
-        useExtensionHost: host.useExtensionHost,
-        createRegion: panels.createRegion,
-        definitions: [
-          { ...browser.default, renderer: () => import(modules.browserRenderer) },
-          { ...file.default, renderer: () => import(modules.fileRenderer) },
-        ],
-      })
-    }, modules)
-    const root = page.getByTestId("browser-region-fixture")
-    const tabs = root.getByRole("tab")
-    const tree = root.getByTestId("tree")
-    await expect(root.getByText("Registrations: 1", { exact: true })).toBeVisible()
-    await expect(tabs).toHaveText(["alpha.ts"])
-    await expect(tree).toHaveText('{"tab":"changes"}')
-
-    // Beta was left on its browser tab, which the desktop has not reported yet.
-    await root.getByRole("button", { name: "Beta", exact: true }).click()
-    await expect(root.getByText("Registrations: 2", { exact: true })).toBeVisible()
-    await expect(root.getByTestId("selected")).toHaveText(/^browser:tab_/)
-    await expect(tabs).toHaveText(["beta.ts"])
-    // No fallback tab was selected, so the file tab's selection never switched the tree to All files.
-    await expect(tree).toHaveText('{"tab":"changes"}')
-
-    await root.getByRole("button", { name: "First inventory", exact: true }).click()
-    await expect(tabs).toHaveText(["beta.ts", "Preview"])
-    await expect(root.getByRole("tab", { name: "Preview", exact: true })).toHaveAttribute("aria-selected", "true")
-    await expect(tree).toHaveText('{"tab":"changes"}')
-  },
-)

packages/app/e2e/regression/composer.spec.ts

@@ -183,35 +183,6 @@ test("keeps a narrow session composer contained when invoking a built-in", async
   await expect(editor).toHaveText("keep me")
 })
 
-test("lists slash commands in their built-in order", async ({ page }) => {
-  const { editor } = await openSession(page, {
-    name: "ComposerSlash",
-    provider: NO_PROVIDER,
-    commands: [
-      { name: "init", description: "Create AGENTS.md" },
-      { name: "review", description: "Review changes" },
-    ],
-    // A sent message enables /undo, /compact and /fork.
-    pageMessages: () => ({ items: [{ id: "msg_slash", type: "user", text: "Hello", time: { created: T0 } }] }),
-  })
-  await editor.fill("/")
-  await expect(page.locator('[data-component="composer-suggestions"] [data-suggestion-id] bdi')).toHaveText([
-    "/init",
-    "/review",
-    "/new",
-    "/undo",
-    "/compact",
-    "/fork",
-    "/export",
-    "/open",
-    "/terminal",
-    "/mcp",
-    "/model",
-    "/connect",
-    "/btw",
-  ])
-})
-
 const followUp = "Add follow-up, / for commands, @ for context…"
 for (const row of [
   { state: "an idle", copy: "Ask anything, / for commands, @ for context…" },

packages/app/e2e/regression/mobile-extensions.spec.ts

@@ -37,17 +37,6 @@ test("mobile files browse, comment, search, and close tabs", async ({ page }) =>
   await expect.poll(() => fullWidth(comment)).toBe(true)
 
   await page.setViewportSize({ width: 390, height: 844 })
-  // Its composer chip reveals the comment without leaving the conversation.
-  const session = navigation.getByRole("tab", { name: "Session", exact: true })
-  await session.click()
-  await page
-    .locator('[data-component="composer-attachments"]')
-    .getByText("Full-width file comment", { exact: true })
-    .click()
-  await expect(session).toHaveAttribute("aria-selected", "true")
-  await expect(page.getByRole("textbox", { name: "Prompt", exact: true })).toBeVisible()
-  await navigation.getByRole("tab", { name: "Files", exact: true }).click()
-  await expect(files.getByText("contents:first.ts", { exact: true })).toBeVisible()
   const filter = files.getByRole("combobox", { name: "Filter files", exact: true })
   await expect(filter).toBeHidden()
   await files.getByRole("button", { name: "All files", exact: true }).click()

packages/app/e2e/regression/mobile-session.spec.ts

@@ -221,54 +221,6 @@ test("the summary's changes row switches the view and keeps the side tabs", asyn
 
   await page.setViewportSize({ width: 1280, height: 900 })
   await expect(readme).toHaveAttribute("aria-selected", "true")
-
-  // After a reload forgets the preview, a stored Open file tab is still the slot a narrow-screen file open replaces.
-  const launcher = panel.getByRole("tab", { name: "Open file", exact: true })
-  await panel.getByRole("button", { name: "Open file", exact: true }).click()
-  await expect(launcher).toHaveAttribute("aria-selected", "true")
-  await expect(readme).toHaveCount(0)
-  await page.reload()
-  await expect(launcher).toHaveAttribute("aria-selected", "true")
-  await page.setViewportSize({ width: 390, height: 844 })
-  await tabs.getByRole("tab", { name: "Files", exact: true }).click()
-  const files = page.locator('[data-slot="session-mobile-files"]')
-  await files.getByRole("button", { name: "README.md", exact: true }).click()
-  await expect(files.getByText("contents:README.md", { exact: true })).toBeVisible()
-  await page.setViewportSize({ width: 1280, height: 900 })
-  await expect(readme).toHaveAttribute("aria-selected", "true")
-  await expect(launcher).toHaveCount(0)
-})
-
-test("a narrow-screen palette pick keeps the view and dock, and the side region shows the file when wide", async ({
-  page,
-}) => {
-  await page.setViewportSize({ width: 390, height: 844 })
-  await mockStressTimeline(page, {
-    fileList: (path) => (path ? [] : [fileNode(fixture.directory, "README.md")]),
-    fileContent: (path) => ({ type: "text", content: `contents:${path}` }),
-    findFiles: ({ query }) => ("README.md".includes(query) ? [fileNode(fixture.directory, "README.md")] : []),
-    pty: {},
-  })
-  await openStress(page, { lastProject: { local: fixture.directory } })
-  await page.goto(sessionHref(fixture.targetID))
-
-  const tabs = page.getByRole("tablist", { name: "Session view", exact: true })
-  const terminal = page.locator("#terminal-panel")
-  await tabs.getByRole("tab", { name: "Terminal", exact: true }).click()
-  await expect(terminal.locator("textarea")).toBeEditable()
-  await page.keyboard.press("ControlOrMeta+p")
-  const dialog = page.getByRole("dialog")
-  await dialog.getByRole("textbox").fill("README")
-  await dialog.getByRole("option", { name: "/ README.md", exact: true }).click()
-  await expect(dialog).toHaveCount(0)
-  await expect(tabs.getByRole("tab", { selected: true })).toHaveText("Terminal")
-  await expect(terminal).toHaveAttribute("data-opened", "true")
-
-  await page.setViewportSize({ width: 1280, height: 900 })
-  await expect(terminal).toHaveAttribute("data-opened", "true")
-  const panel = page.locator("#review-panel")
-  await expect(panel.getByRole("tab", { name: "README.md", exact: true })).toHaveAttribute("aria-selected", "true")
-  await expect(panel.getByText("contents:README.md", { exact: true })).toBeVisible()
 })
 
 test.describe("touch", () => {

packages/app/e2e/regression/multi-server.spec.ts

@@ -90,7 +90,6 @@ test("settings opened from a remote session sweep every server and keep the remo
   await expect(page).toHaveURL("/settings")
   await expect(page.locator('[data-titlebar-tab][data-active="true"]')).toHaveCount(0)
   await expect(page.getByRole("dialog")).toHaveCount(0)
-  await expect(settings.getByRole("tab", { name: "Models", exact: true })).toHaveCount(0)
   await view.listed(REMOTE_SERVER, directoryB)
   await expect.poll(() => view.replies).toEqual([reply(sessionA.id, "permission-pending-a")])
 
@@ -113,7 +112,6 @@ test("settings opened from a remote session sweep every server and keep the remo
   await expect(page.locator('[data-titlebar-tab][data-active="true"]')).toContainText(sessionB.title)
   await page.keyboard.press("Control+]")
   await expect(page).toHaveURL("/settings")
-  await expect(settings.getByRole("tab", { name: "Preferences", exact: true })).toHaveAttribute("aria-selected", "true")
   await page.keyboard.press("Escape")
   await expectPath(page, sessionHref(sessionB.id, REMOTE_SERVER))
   await expectSessionTitle(page, sessionB.title)

packages/app/e2e/regression/patch-sticky-header.spec.ts

@@ -220,16 +220,13 @@ for (const scenario of scenarios) {
                 const top = sessionTop + (group?.getBoundingClientRect().height ?? 0)
                 const rect = element.getBoundingClientRect()
                 const trigger = element.querySelector("button")!
-                // The header stuck directly below the session title sits where the title's fade starts.
-                const hits = (target: Element, box: DOMRect) =>
-                  [box.top + 1, box.top + box.height / 2].every((y) =>
-                    target.contains(document.elementFromPoint(box.left + box.width / 2, y)),
-                  )
                 return {
                   gap: Math.abs(rect.top - top - (toolTitle?.getBoundingClientRect().height ?? 0)),
                   groupGap: group ? Math.abs(group.getBoundingClientRect().top - sessionTop) : 0,
                   titleGap: toolTitle ? Math.abs(toolTitle.getBoundingClientRect().top - top) : 0,
-                  clickable: hits(trigger, rect) && (!group || hits(group, group.getBoundingClientRect())),
+                  clickable: trigger.contains(
+                    document.elementFromPoint(rect.left + rect.width / 2, rect.top + rect.height / 2),
+                  ),
                 }
               }),
             )

packages/app/e2e/regression/review.spec.ts

@@ -1,8 +1,7 @@
 import type { OpenCodeEvent, SessionMessageInfo } from "@opencode/client/promise"
 import { expect, test, type Locator, type Page } from "@playwright/test"
 import { base64Encode } from "@opencode/util/encode"
-import { SERVER, project, provider, session, workspaceKey } from "../utils/app"
-import { mockOpenCodeServer } from "../utils/mock-server"
+import { workspaceKey } from "../utils/app"
 import { fileDiff, fileNode, openSession } from "../utils/workspace"
 import { expectSessionTitle } from "../utils/waits"
 
@@ -533,29 +532,6 @@ test("restores review state and the side-panel tab per session", async ({ page }
   await expect(review).toHaveAttribute("aria-selected", "true")
 })
 
-test("shows and restores last turn changes from the session diff", async ({ page }) => {
-  const sessionID = "ses_reviewturn"
-  await openSession(page, { name: "ReviewTurn", vcsDiff: [fileDiff("src/alpha.ts")] })
-  await page.route(`**/api/session/${sessionID}/diff**`, (route) =>
-    route.fulfill({
-      status: 200,
-      contentType: "application/json",
-      body: JSON.stringify({ data: [fileDiff("src/delta.ts")] }),
-    }),
-  )
-  const panel = page.locator("#review-panel")
-  await page.getByRole("button", { name: "Toggle review" }).click()
-  await page.getByRole("button", { name: "Git changes" }).click()
-  await page.getByRole("option", { name: "Last turn changes" }).click()
-  await expect(page.getByRole("button", { name: "Last turn changes" })).toBeVisible()
-  await expect(panel.locator('[data-slot="session-review-v2-file-name"]')).toHaveText("delta.ts")
-
-  await page.reload()
-  await expectSessionTitle(page, "ReviewTurn")
-  await expect(page.getByRole("button", { name: "Last turn changes" })).toBeVisible()
-  await expect(panel.locator('[data-slot="session-review-v2-file-name"]')).toHaveText("delta.ts")
-})
-
 test("keeps the review state a session stored before extensions", async ({ page }) => {
   const directory = "C:/OpenCode/ReviewLegacy"
   await openSession(page, {
@@ -604,65 +580,6 @@ test("keeps the review state a session stored before extensions", async ({ page
   await expect(trigger("gamma.ts")).toBeVisible()
 })
 
-test("desktop review waits for the session's stored mode before it loads changes", async ({ page }) => {
-  const directory = "C:/OpenCode/ReviewDesktop"
-  const id = "ses_review_desktop"
-  const title = "Desktop review"
-  await mockOpenCodeServer(page, {
-    directory,
-    project: project({ id: "proj_review_desktop", directory }),
-    provider: provider(),
-    sessions: [session({ id, directory, title })],
-    pageMessages: () => ({ items: [] }),
-    vcs: { current: "feature", default: "dev" },
-    vcsDiff: ({ mode }) => (mode === "branch" ? [fileDiff("beta.ts")] : [fileDiff("gamma.ts")]),
-  })
-  const working: string[] = []
-  page.on("request", (request) => {
-    const url = new URL(request.url())
-    if (url.pathname.endsWith("/vcs/diff") && url.searchParams.get("mode") === "working") working.push(request.url())
-  })
-  const desktop = (hold?: string) =>
-    `/e2e/utils/settings-wsl.html?${new URLSearchParams({
-      server: SERVER,
-      mode: "stopped",
-      storage: "async",
-      path: `/server/${base64Encode("sidecar")}/session/${id}`,
-      ...(hold && { hold }),
-    })}`
-  const mode = (name: string) => page.getByRole("button", { name, exact: true })
-  const file = page.locator('[data-slot="session-review-v2-file-name"]')
-  const toggle = page.getByRole("button", { name: "Toggle review", exact: true })
-
-  await page.goto(desktop())
-  await expectSessionTitle(page, title)
-  await toggle.click()
-  await mode("Git changes").click()
-  await page.getByRole("option", { name: "Branch changes" }).click()
-  await expect(file).toHaveText("beta.ts")
-  await expect
-    .poll(() =>
-      page.evaluate(() =>
-        Object.entries(localStorage).some(
-          ([key, value]) => key.includes("extension.review.session") && value.includes('"branch"'),
-        ),
-      ),
-    )
-    .toBe(true)
-
-  // The reopened window's review mounts before its session store has loaded.
-  working.length = 0
-  await page.goto(desktop("extension.review.session"))
-  await expectSessionTitle(page, title)
-  await expect(toggle).toHaveAttribute("aria-expanded", "true")
-  await expect(page.locator("#review-panel").getByText("Loading changes…", { exact: true })).toBeVisible()
-  await expect(mode("Git changes")).toHaveCount(0)
-  await page.getByRole("button", { name: "Load held storage" }).click()
-  await expect(mode("Branch changes")).toBeVisible()
-  await expect(file).toHaveText("beta.ts")
-  expect(working).toEqual([])
-})
-
 for (const direction of ["ltr", "rtl"] as const) {
   test(`review toggle stays at the header edge in ${direction}`, async ({ page }) => {
     await page.setViewportSize({ width: 1000, height: 900 })

packages/app/e2e/regression/session-summary.spec.ts

@@ -25,7 +25,7 @@ for (const custom of [false, true]) {
     await expect(tooltip.locator('[data-slot="keybind-v2-label"]')).toHaveText(
       custom ? ["F8"] : mac ? ["⇧", "⌘", "Y"] : ["Ctrl", "Shift", "Y"],
     )
-    for (const id of [fixture.sourceID, fixture.targetID, fixture.sourceID]) {
+    for (const id of [fixture.targetID, fixture.sourceID]) {
       await page.locator(`[data-titlebar-tab-link][href="${sessionHref(id)}"]`).click()
       const messages = id === fixture.sourceID ? fixture.expected.sourceMessageIDs : fixture.expected.targetMessageIDs
       await expect(

packages/app/e2e/regression/settings-wsl.spec.ts

@@ -43,27 +43,6 @@ for (const mode of ["failed", "stopped", "ready"] as const) {
   })
 }
 
-test("adding a WSL server while the WSL extension is down shows that WSL is unavailable", async ({ page }) => {
-  await mockOpenCodeServer(page, {
-    directory: "/repo",
-    project: project({ id: "proj_wsl_unavailable", directory: "/repo", name: "WSL project" }),
-    provider: NO_PROVIDER,
-    sessions: [],
-    pageMessages: () => ({ items: [] }),
-  })
-  await page.goto(`/e2e/utils/settings-wsl.html?${new URLSearchParams({ server: SERVER, mode: "ready" })}`)
-  const settings = page.getByTestId("settings-screen")
-  await expect(settings.getByRole("tab", { name: "Ubuntu", exact: true })).toHaveCount(1)
-  await page.getByRole("checkbox", { name: "WSL extension" }).uncheck()
-
-  await settings.getByRole("button", { name: "Add server", exact: true }).press("Enter")
-  await page.getByRole("menuitem", { name: "Add WSL server", exact: true }).click()
-  const dialog = page.getByRole("dialog")
-  await expect(dialog.getByRole("heading", { name: "WSL unavailable", exact: true })).toBeVisible()
-  await expect(dialog.getByText("OpenCode could not verify WSL on this machine.", { exact: true })).toBeVisible()
-  await expect(dialog.getByText("WSL is unavailable", { exact: true })).toBeVisible()
-})
-
 test("an open session's terminal follows its WSL server to the endpoint it restarts on", async ({ page }) => {
   const restarted = "http://127.0.0.1:4098"
   const directory = "/home/ubuntu/project"
@@ -152,50 +131,6 @@ test("WSL session and draft tabs outlive the extension going away until the serv
   await expect(tabs).toHaveCount(0)
 })
 
-test("an SSH host that asks for sign-in again opens the dialog once per selected tab", async ({ page }) => {
-  const directory = "/home/box/project"
-  const box = session({ id: "ses_ssh_offer", directory, title: "SSH offer session" })
-  const config = {
-    directory,
-    project: project({ id: "proj_ssh_offer", directory }),
-    provider: provider(),
-    sessions: [box],
-    pageMessages: () => ({ items: [] }),
-  }
-  await mockServers(page, { [SERVER]: { ...config, sessions: [] }, [REMOTE_SERVER]: config })
-  const path = `/server/${base64Encode("ssh:box")}/session/${box.id}`
-  await page.goto(
-    `/e2e/utils/settings-wsl.html?${new URLSearchParams({ server: SERVER, mode: "ready", ssh: REMOTE_SERVER, path })}`,
-  )
-  await expectSessionTitle(page, box.title)
-  const connects = page.getByLabel("SSH connects")
-  const signIn = page.getByRole("button", { name: "Require SSH sign-in" })
-  const authenticate = page.getByRole("button", { name: "Authenticate", exact: true })
-
-  // The first request on the tab opens sign-in by itself; the fixture's host connects without a prompt.
-  await signIn.click()
-  await expect(connects).toHaveText("1")
-  await expectSessionTitle(page, box.title)
-  // A later request on the same tab only offers the button.
-  await signIn.click()
-  await expect(authenticate).toBeVisible()
-  await expect(connects).toHaveText("1")
-  await authenticate.click()
-  await expect(connects).toHaveText("2")
-  await expectSessionTitle(page, box.title)
-
-  // Another tab selected and this one selected again is a new selection, even while the host was ready.
-  const tabs = page.locator("a[data-titlebar-tab-link]")
-  await page.getByRole("button", { name: "New session", exact: true }).click()
-  await expect(tabs).toHaveCount(2)
-  await expect(tabs.nth(1)).toHaveAttribute("href", /^\/new-session\?draftId=/)
-  await expect(page.getByRole("heading", { name: box.title })).toHaveCount(0)
-  await tabs.nth(0).click()
-  await expectSessionTitle(page, box.title)
-  await signIn.click()
-  await expect(connects).toHaveText("3")
-})
-
 test("an open session moves to the controller a new SSH sign-in creates", async ({ page }) => {
   const directory = "/home/box/project"
   const model = { id: "box-model", name: "Box Model" }

packages/app/e2e/regression/settings.spec.ts

@@ -1,7 +1,7 @@
 import { expect, test, type Page } from "@playwright/test"
 import type { ConfigEntry, OpenCodeEvent, WorktreeDirectory } from "@opencode/client/promise"
 import { NO_PROVIDER, REMOTE_SERVER, SERVER, holdRoute, project, session } from "../utils/app"
-import { mockRemoteServer, mockWorkspace, openSettings, type WorkspaceInput } from "../utils/workspace"
+import { mockRemoteServer, openSettings, type WorkspaceInput } from "../utils/workspace"
 
 const directory = "C:/Projects/settings-demo"
 const projectID = "proj_settings_demo"
@@ -65,20 +65,6 @@ test("settings has its own route and returns through app history", async ({ page
   await expect(settings).toBeHidden()
 })
 
-test("Ctrl+, opens settings as soon as the app loads", async ({ page }) => {
-  await mockWorkspace(page, {
-    name: "Settings demo",
-    directory,
-    provider: NO_PROVIDER,
-    sessions: [],
-    seed: { tabs: [] },
-  })
-  await page.goto("/")
-  await page.keyboard.press("Control+,")
-  await expect(page.getByTestId("settings-screen")).toBeVisible()
-  await expect(page).toHaveURL("/settings")
-})
-
 test("a settings page survives refresh", async ({ page }) => {
   const { settings } = await open(page)
   const appearance = settings.getByRole("tab", { name: "Appearance", exact: true })

packages/app/e2e/utils/settings-wsl.fixture.tsx

@@ -10,10 +10,9 @@ import { PlatformProvider, type Platform } from "../../src/runtime/platform/plat
 import { ServerConnection } from "../../src/runtime/server/registry"
 import { useExtensionServers } from "../../src/runtime/extension/servers"
 
-// A desktop window. `wsl` is the Ubuntu server's endpoint (default `server`); updating OpenCode restarts it on `restart`
-// (default `wsl`). `ssh` adds a saved SSH server `box`, ready on that endpoint with password `ssh-1`; each connect
-// brings up a new remote server with the next password (`ssh-2`, ...). `storage=async` stores in localStorage behind
-// asynchronous reads like the desktop app's; reads of keys containing `hold` wait for "Load held storage".
+// `wsl` is the Ubuntu server's endpoint (default `server`); updating OpenCode restarts it on `restart` (default `wsl`).
+// `ssh` adds a saved SSH server `box`, ready on that endpoint with password `ssh-1`; each connect brings up a new
+// remote server with the next password (`ssh-2`, ...).
 export function mount(input: {
   server: string
   mode: "failed" | "stopped" | "ready"
@@ -21,8 +20,6 @@ export function mount(input: {
   restart?: string | null
   path?: string | null
   ssh?: string | null
-  storage?: string | null
-  hold?: string | null
 }) {
   const root = document.getElementById("root")
   if (!root) throw new Error("Missing fixture root")
@@ -30,28 +27,14 @@ export function mount(input: {
   history.set({ value: input.path ?? "/settings", replace: true, scroll: false })
   const endpoint = { url: input.wsl ?? input.server }
   const ready = () => ({ kind: "ready" as const, url: endpoint.url, password: null })
-  const held = Promise.withResolvers<void>()
-  const storage = (name?: string) => {
-    const item = (key: string) => (name ? `${name}:${key}` : key)
-    return {
-      getItem: async (key: string) => {
-        if (input.hold && key.includes(input.hold)) await held.promise
-        return localStorage.getItem(item(key))
-      },
-      setItem: async (key: string, value: string) => localStorage.setItem(item(key), value),
-      removeItem: async (key: string) => localStorage.removeItem(item(key)),
-    }
-  }
   render(() => {
     const [store, setStore] = createStore<{
       calls: string[]
-      connects: number
       available: boolean
       state: WslServersState
       ssh: SshState
     }>({
       calls: [],
-      connects: 0,
       available: true,
       ssh: {
         revision: 0,
@@ -112,6 +95,7 @@ export function mount(input: {
         revision: state.revision + 1,
         servers: state.servers.map((server) => ({ ...server, ...item })),
       }))
+    const connects = { count: 1 }
     const methods: Record<string, Record<string, (input: { id?: string; name?: string }) => unknown>> = {
       wsl: {
         // Like main: stops the distro's server, updates OpenCode, then starts the server again on a new endpoint.
@@ -142,8 +126,8 @@ export function mount(input: {
       ssh: {
         // Like main: a connect opens a new tunnel to a remote server with a new password.
         start() {
-          setStore("connects", (count) => count + 1)
-          setSsh({ stage: "ready", http: { url: input.ssh ?? "", password: `ssh-${store.connects + 1}` } })
+          connects.count += 1
+          setSsh({ stage: "ready", http: { url: input.ssh ?? "", password: `ssh-${connects.count}` } })
           return store.ssh.revision
         },
       },
@@ -191,7 +175,6 @@ export function mount(input: {
       notify: async () => undefined,
       restart: unused,
       extensions: bridge,
-      ...(input.storage === "async" ? { storage } : {}),
     }
     function Interface() {
       const extensions = useExtensionServers()
@@ -238,22 +221,6 @@ export function mount(input: {
             >
               Drop SSH tunnel
             </button>
-            {/* A background reconnect that needs a password, as main reports it to every window. */}
-            <button
-              type="button"
-              onClick={() => {
-                setSsh({ stage: "authentication" })
-                publish("ssh")
-              }}
-            >
-              Require SSH sign-in
-            </button>
-            <output aria-label="SSH connects">{store.connects}</output>
-          </Show>
-          <Show when={input.hold}>
-            <button type="button" onClick={() => held.resolve()}>
-              Load held storage
-            </button>
           </Show>
           <Interface />
         </AppBaseProviders>

packages/app/e2e/utils/settings-wsl.html

@@ -15,8 +15,6 @@
         restart: query.get("restart"),
         path: query.get("path"),
         ssh: query.get("ssh"),
-        storage: query.get("storage"),
-        hold: query.get("hold"),
       })
     </script>
   </body>

packages/app/src/composer/model.ts

@@ -448,8 +448,8 @@ function openComment(
       })
     })
   }
-  // The extension that owns the comment's origin reveals it (the review diff or a file tab), keeping the conversation.
-  links.open({ href: item.path, origin: item.commentOrigin, exact: true, background: true, session })
+  // The extension that owns the comment's origin reveals it (the review diff or a file tab).
+  links.open({ href: item.path, origin: item.commentOrigin, exact: true, session })
   if (item.commentOrigin === "review") return queueFocus()
   void Promise.resolve(files.load(item.path)).finally(() => queueFocus())
 }

packages/app/src/runtime/extension/commands.tsx

@@ -1,4 +1,3 @@
-import { createMemo } from "solid-js"
 import { Command } from "@opencode/gui-extensions/sdk"
 import { useCommand } from "@/shell/commands/command"
 import { useSettings } from "@/settings/model"
@@ -10,34 +9,27 @@ export function ExtensionCommands() {
   const host = useExtensionHost()
   const command = useCommand()
   migrateKeybinds(useSettings())
-  // Extensions activate in whatever order their entries load; list them in definition order, then registration order.
-  const rank = createMemo(() => new Map(host.definitions().map((definition, index) => [definition.id, index])))
-  const order = (extension: string) => rank().get(extension) ?? rank().size
   command.register("extensions", () =>
-    host
-      .items(Command)
-      .toSorted((a, b) => order(a.extension) - order(b.extension))
-      .map((item) => ({
-        id: `${item.extension}.${item.value.id}`,
-        title: item.value.title,
-        description: item.value.description,
-        category: item.value.group,
-        section: item.value.section,
-        keybind: item.value.bind,
-        slash: item.value.slash?.name,
-        slashArguments: item.value.slash?.arguments,
-        slashAfter: item.value.slash?.after,
-        suggested: item.value.suggested,
-        featured: item.value.featured,
-        disabled: item.value.enabled === false,
-        hidden: item.value.hidden,
-        editable: item.value.editable,
-        when: item.value.scope
-          ? (event: KeyboardEvent) =>
-              event.target instanceof Element && !!event.target.closest(item.value.scope as string)
-          : undefined,
-        onSelect: (_source: unknown, input?: string) => item.value.run(input),
-      })),
+    host.items(Command).map((item) => ({
+      id: `${item.extension}.${item.value.id}`,
+      title: item.value.title,
+      description: item.value.description,
+      category: item.value.group,
+      section: item.value.section,
+      keybind: item.value.bind,
+      slash: item.value.slash?.name,
+      slashArguments: item.value.slash?.arguments,
+      suggested: item.value.suggested,
+      featured: item.value.featured,
+      disabled: item.value.enabled === false,
+      hidden: item.value.hidden,
+      editable: item.value.editable,
+      when: item.value.scope
+        ? (event: KeyboardEvent) =>
+            event.target instanceof Element && !!event.target.closest(item.value.scope as string)
+        : undefined,
+      onSelect: (_source: unknown, input?: string) => item.value.run(input),
+    })),
   )
   return null
 }

packages/app/src/runtime/extension/panels.tsx

@@ -137,12 +137,9 @@ export function createRegion(input: { region: Panel["region"]; view: SessionView
     ]
   })
 
-  // Narrow screens never select a launcher: a stored one falls back like a missing tab.
-  const desktop = createMediaQuery("(min-width: 768px)")
   const active = createMemo(() => {
     const value = input.tabs().active()
-    if (value && strip().some((entry) => entry.key === value && (desktop() || entry.tab.kind !== "launcher")))
-      return value
+    if (value && strip().some((entry) => entry.key === value)) return value
     return strip()
       .filter((entry) => entry.tab.fallback !== undefined)
       .reduce<RegionEntry | undefined>(
@@ -160,13 +157,10 @@ export function createRegion(input: { region: Panel["region"]; view: SessionView
     }),
   )
 
-  // Hidden tabs keep their place in the strip for selection, focus, and close, but draw no trigger.
-  const drawn = createMemo(() => strip().filter((entry) => !entry.tab.hidden))
-
   return {
     entries,
-    /** Drawn strip order by key. Renders iterate keys so a provider's fresh tab objects never remount a trigger. */
-    keys: createMemo(() => drawn().map((entry) => entry.key), [], { equals: same }),
+    /** Strip order by key. Renders iterate keys so a provider's fresh tab objects never remount a trigger. */
+    keys: createMemo(() => strip().map((entry) => entry.key), [], { equals: same }),
     entry: (key: string) => byKey().get(key),
     active,
     selected: createMemo(() => {
@@ -177,7 +171,7 @@ export function createRegion(input: { region: Panel["region"]; view: SessionView
     /** An extension's tab ids in the stored strip. */
     openFor: (extension: string) =>
       stored().flatMap((key) => (key.startsWith(`${extension}:`) ? [key.slice(extension.length + 1)] : [])),
-    lead: () => !!drawn().find((entry) => entry.tab.kind !== "pinned")?.tab.first,
+    lead: () => !!strip().find((entry) => entry.tab.kind !== "pinned")?.tab.first,
     select(key: string) {
       input.tabs().setActive(key)
     },
@@ -225,7 +219,7 @@ export function RegionContent(props: {
                 <div
                   id={member()?.tab.dom?.panel}
                   role="tabpanel"
-                  aria-labelledby={active() && !member()?.tab.hidden ? member()?.tab.dom?.tab : undefined}
+                  aria-labelledby={active() ? member()?.tab.dom?.tab : undefined}
                   data-slot="tabs-content"
                   class="h-full min-h-0 overflow-hidden"
                   classList={{ hidden: !active() }}
@@ -257,7 +251,7 @@ export function RegionContent(props: {
                 <div
                   id={entry()?.tab.dom?.panel}
                   role="tabpanel"
-                  aria-labelledby={entry()?.tab.hidden ? undefined : entry()?.tab.dom?.tab}
+                  aria-labelledby={entry()?.tab.dom?.tab}
                   tabIndex={entry()?.tab.tabbable ? 0 : undefined}
                   data-slot="tabs-content"
                   class="flex flex-col h-full overflow-hidden contain-strict"

packages/app/src/runtime/extension/services.tsx

@@ -81,9 +81,7 @@ export function createExtensionServices() {
   const platform = usePlatform()
   const dialog = useDialog()
   const language = useLanguage()
-  // The session screen's breakpoint, negated, so no fractional width is both narrow and desktop.
-  const desktop = createMediaQuery("(min-width: 768px)")
-  const narrow = () => !desktop()
+  const narrow = createMediaQuery("(max-width: 767px)")
   const [attached, setAttached] = createSignal<Attached>()
   const removed = new Set<(value: { server: string; directory: string }) => void>()
   const memory = new Map<string, readonly [Store<object>, (mutation: (draft: object) => void) => void]>()
@@ -288,11 +286,12 @@ export function createExtensionAttachment(services: ExtensionServices) {
   const host = useExtensionHost()
   const command = useCommand()
   const location = useLocation()
-  const desktop = createMediaQuery("(min-width: 768px)")
-  const narrow = () => !desktop()
+  const narrow = createMediaQuery("(max-width: 767px)")
   const views = new Map<string, SessionView>()
   const [mounted, setMounted] = createStore({ revision: 0 })
   const refs = new Map<string, SessionRef>()
+  // The panel whose toggle opened a session's side region, by session key.
+  const openedFor = new Map<string, string>()
 
   const connection = (id: string) => global.servers.list().find((item) => ServerConnection.key(item) === id)
 
@@ -372,15 +371,11 @@ export function createExtensionAttachment(services: ExtensionServices) {
     return Array.from(refs.values())
   })
 
-  const routed = createMemo(() => {
-    const value = route()
-    return value.type === "session" ? `${value.server}\n${value.sessionId}` : undefined
-  })
   const current = createMemo(() => {
-    const key = routed()
-    if (!key) return
+    const value = route()
+    if (value.type !== "session") return
     void mounted.revision
-    return views.get(key)
+    return views.get(`${value.server}\n${value.sessionId}`)
   })
 
   const scope = (id: string) => {
@@ -403,19 +398,13 @@ export function createExtensionAttachment(services: ExtensionServices) {
   const sideOpened = (session: SessionRef) => !!tabs.pane(shellTab(session), "side")
   const dockOpened = (session: SessionRef) => !!tabs.pane(shellTab(session), "dock")
   const setDock = (session: SessionRef, opened: boolean) => tabs.setPane(shellTab(session), "dock", opened)
-  // A token per session whose side region is open, new each time the region opens.
-  const sideVisits = createMemo<ReadonlyMap<string, object>>(
-    (previous) =>
-      new Map(
-        sessions().flatMap((session) =>
-          sideOpened(session) ? [[session.key, previous.get(session.key) ?? {}] as const] : [],
-        ),
-      ),
-    new Map(),
-  )
-  // The panel whose toggle opened a side region, by the region's token. However the region closes, it reopens with
-  // a new token, so a region reopened any other way belongs to the user.
-  const openedFor = new WeakMap<object, string>()
+  // However the side region closes, it forgets its opener, so a region reopened any other way belongs to the user.
+  createEffect(() => {
+    const open = new Set(sessions().flatMap((session) => (sideOpened(session) ? [session.key] : [])))
+    Array.from(openedFor.keys()).forEach((key) => {
+      if (!open.has(key)) openedFor.delete(key)
+    })
+  })
 
   // Keys are `${extension}:${tab id}`; the extension's panel decides the region.
   const provider = (key: string) => {
@@ -428,18 +417,19 @@ export function createExtensionAttachment(services: ExtensionServices) {
     return view?.key === session.key ? view : undefined
   }
 
-  // Counts routing visits: each change of the routed session, including to none (e.g. Home), starts the next one.
-  const visit = createMemo(on(routed, (_key, _previous, count: number = 0) => count + 1))
-  // The narrow-screen view belongs to the routed, mounted session for one visit, and reads as the conversation once
-  // another visit starts. A view selected for a session that is not routed (e.g. a file link that opens Files on
-  // another session) belongs to the next visit, which the navigation that follows starts. The dock's view follows
-  // the dock's own per-session state instead.
-  const [mobile, setMobile] = createStore({ session: undefined as string | undefined, view: "session", visit: 0 })
-  const mobileView = createMemo(() =>
-    mobile.session === current()?.key && mobile.visit === visit() ? mobile.view : "session",
+  // The narrow-screen view belongs to the routed, mounted session: it resets to the conversation when that session
+  // changes or unmounts (e.g. on Home). The dock's view follows the dock's own per-session state instead.
+  const [mobile, setMobile] = createStore({ session: undefined as string | undefined, view: "session" })
+  createEffect(
+    on(
+      () => current()?.key,
+      (key) => {
+        if (key !== mobile.session) setMobile({ session: undefined, view: "session" })
+      },
+    ),
   )
-  const selectMobile = (session: SessionRef, view: string) =>
-    setMobile({ session: session.key, view, visit: session.key === routed() ? visit() : visit() + 1 })
+  const mobileView = createMemo(() => (mobile.session === current()?.key ? mobile.view : "session"))
+  const selectMobile = (session: SessionRef, view: string) => setMobile({ session: session.key, view })
 
   // The side tabs a mounted session lists right now, plus `adding` as if it were stored; unmounted sessions have none.
   const listed = (session: SessionRef, value: string, adding?: string) => {
@@ -459,17 +449,20 @@ export function createExtensionAttachment(services: ExtensionServices) {
     )
   }
 
-  const open = (key: string, session: SessionRef, options?: Parameters<Layout["open"]>[2]) => {
+  const open = (
+    key: string,
+    session: SessionRef,
+    options?: { readonly preview?: boolean; readonly focus?: boolean; readonly select?: boolean },
+  ) => {
     const item = provider(key)
     if (item?.value.region === "dock") return setDock(session, true)
     const value = stateKey(session)
     if (!value) return
     // focus: false adds the tab quietly: no selection, no region change, no preview replacement.
     if (options?.focus === false && !options.preview) return layout.panel.append(value, key)
-    // A select keeps the narrow-screen view and dock, as a background open does, and opens the side region too.
     if (options?.select)
       return batch(() => {
-        tabs.setPane(shellTab(session), "side", true)
+        if (!narrow()) tabs.setPane(shellTab(session), "side", true)
         layout.panel.append(value, key)
         layout.panel.focus(value, key)
       })
@@ -478,14 +471,13 @@ export function createExtensionAttachment(services: ExtensionServices) {
     const launchers = new Set(known.flatMap((entry) => (entry.tab.kind === "launcher" ? [entry.key] : [])))
     const first = known.some((entry) => entry.key === key && entry.tab.first)
     batch(() => {
-      if (narrow() && !options?.background) {
+      if (narrow()) {
         setDock(session, false)
         if (item?.value.mobile) selectMobile(session, `${item.extension}:${item.value.id}`)
-        // A tab its panel does not list, or a launcher, stays unstored: the open only selects the panel's view.
-        if (mountedView(session) && !known.some((entry) => entry.key === key && entry.tab.kind !== "launcher")) return
+        // A tab its panel does not list on narrow screens stays unstored: the open only selects the panel's view.
+        if (mountedView(session) && !known.some((entry) => entry.key === key)) return
       }
-      // A background open keeps the narrow-screen view, but its tab still shows once the window is wide.
-      if (!narrow() || options?.background) tabs.setPane(shellTab(session), "side", true)
+      if (!narrow()) tabs.setPane(shellTab(session), "side", true)
       // Pinned tabs are listed without being stored; opening one only selects it.
       if (known.some((entry) => entry.key === key && entry.tab.kind === "pinned")) return layout.panel.focus(value, key)
       if (options?.preview) return layout.panel.preview(value, key, launchers)
@@ -577,21 +569,19 @@ export function createExtensionAttachment(services: ExtensionServices) {
         if (provider(key)?.value.region === "dock") return setDock(session, !dockOpened(session))
         const value = stateKey(session)
         if (!value) return
-        const region = sideVisits().get(session.key)
         if (state(key, session) === "visible") {
           batch(() => {
             close(key, session)
             // Closing the last panel the region was opened for also closes the region.
-            if (region && openedFor.get(region) === key && layout.panel.state(value).all.length === 0)
+            if (openedFor.get(session.key) === key && layout.panel.state(value).all.length === 0)
               tabs.setPane(shellTab(session), "side", false)
           })
           return
         }
-        // A panel opened into an open region makes the region the user's.
-        if (region) openedFor.delete(region)
+        const opening = !sideOpened(session)
+        if (!opening) openedFor.delete(session.key)
         open(key, session)
-        const opened = sideVisits().get(session.key)
-        if (!region && opened) openedFor.set(opened, key)
+        if (opening && sideOpened(session)) openedFor.set(session.key, key)
       },
       state,
       stored(extension, session) {

packages/app/src/runtime/extension/surface.tsx

@@ -5,9 +5,6 @@ import { createResizeObserver } from "@solid-primitives/resize-observer"
 import type { SurfaceProps, Surfaces } from "@opencode/gui-extensions/sdk"
 import type { Bridge } from "@opencode/gui-extensions/sdk/bridge"
 
-const geometry =
-  /^(inset|left|right|top|bottom|translate|transform|scale|rotate|margin|padding|flex|grid|gap|row-gap|column-gap)|(^|-)(width|height)$/
-
 type Input = {
   readonly bridge: Bridge | undefined
   readonly zoom: () => number
@@ -167,14 +164,6 @@ function SurfaceView(props: SurfaceProps & { input: Input; bridge: Bridge }) {
   // animation frame keeps the native view in step with a pane drag.
   createResizeObserver(() => element, measure)
   createEventListener(window, "resize", () => schedule(300))
-  // A layout transition elsewhere, such as the chat column's width while the side pane opens, can
-  // move the box without resizing it. Track it from when it actually runs, and settle on its end.
-  createEventListener(document, "transitionrun", (event) => {
-    if (geometry.test(event.propertyName)) schedule(300)
-  })
-  createEventListener(document, ["transitionend", "transitioncancel"], (event) => {
-    if (geometry.test(event.propertyName)) schedule()
-  })
   // Floating content portals directly into <body>; keep measuring briefly so
   // the positioner has settled before the overlap check runs.
   const portals = new MutationObserver(() => schedule(300))

packages/app/src/session/session-identity-header.tsx

@@ -30,17 +30,12 @@ import "./session-identity-header.css"
 
 export function SessionTitleHeader(props: ParentProps) {
   return (
-    <>
-      {/* The bottom inset reserves room for the fade without covering rows stuck below the bar. */}
-      <div data-session-title class="pointer-events-none sticky top-0 z-30 w-full pb-4">
-        <div class="pointer-events-auto bg-v2-background-bg-base pe-3 ps-2.5">{props.children}</div>
-      </div>
-      {/* Stuck timeline headers stack above this fade, so it only fades content scrolling under the bar. */}
-      <div
-        aria-hidden="true"
-        class="pointer-events-none sticky top-12 z-[5] -mt-4 h-4 w-full bg-[linear-gradient(to_bottom,var(--v2-background-bg-base),transparent)]"
-      />
-    </>
+    <div
+      data-session-title
+      class="sticky top-0 z-30 w-full bg-[linear-gradient(to_bottom,var(--v2-background-bg-base)_48px,transparent)] pb-4 pe-3 ps-2.5"
+    >
+      {props.children}
+    </div>
   )
 }
 

packages/app/src/shell/commands/command.tsx

@@ -89,8 +89,6 @@ export interface CommandOption {
   keybind?: KeybindConfig
   slash?: string
   slashArguments?: boolean
-  /** Listed right after the option whose slash name this is, when one is registered. */
-  slashAfter?: string
   suggested?: boolean
   /** Listed when the command palette opens without a query. Host commands are listed by id instead. */
   featured?: boolean
@@ -148,22 +146,6 @@ export function activeCommandRegistrations(registrations: CommandRegistration[])
   })
 }
 
-// Each option with `slashAfter` follows the first option with that slash name, so a command from another
-// registration can sit inside that registration's slash list.
-function placeAfterSlash(options: CommandOption[]) {
-  const anchors = new Map<string, CommandOption>()
-  options.forEach((option) => {
-    if (option.slash && !option.slashAfter && !anchors.has(option.slash)) anchors.set(option.slash, option)
-  })
-  const moved = options.filter((option) => option.slashAfter && anchors.has(option.slashAfter))
-  if (moved.length === 0) return options
-  return options.flatMap((option) => {
-    if (moved.includes(option)) return []
-    if (!option.slash || anchors.get(option.slash) !== option) return [option]
-    return [option, ...moved.filter((item) => item.slashAfter === option.slash)]
-  })
-}
-
 export function parseKeybind(config: string): Keybind[] {
   if (!config || config === "none") return []
 
@@ -331,7 +313,7 @@ export const { use: useCommand, provider: CommandProvider } = createSimpleContex
         }
       }
 
-      return placeAfterSlash(all)
+      return all
     })
 
     createEffect(() => {

packages/app/src/shell/commands/palette.ts

@@ -64,7 +64,7 @@ export function createCommandPaletteFileOpener(onOpenFile?: (path: string) => vo
   const extensions = useExtensionAttachment()
 
   return (path: string) => {
-    links.open({ href: path, exact: true, background: true, session: extensions.current() })
+    links.open({ href: path, exact: true, session: extensions.current() })
     onOpenFile?.(path)
   }
 }

packages/cli/package.json

@@ -24,7 +24,7 @@
     "typecheck": "tsgo -b"
   },
   "dependencies": {
-    "@agentclientprotocol/sdk": "1.6.0",
+    "@agentclientprotocol/sdk": "1.2.1",
     "@clack/core": "1.0.0-alpha.1",
     "@clack/prompts": "1.0.0-alpha.1",
     "@effect/platform-node": "catalog:",

packages/cli/src/acp/agent.ts

@@ -6,18 +6,13 @@ import {
   type AgentNotificationMethod,
   type AgentRequestHandlersByMethod,
   type AgentRequestMethod,
-  type JsonRpcId,
   type Stream,
 } from "@agentclientprotocol/sdk"
 import type { OpenCodeClient } from "@opencode/client/promise"
-import { Cause, Deferred, Effect, Ref, type Scope } from "effect"
+import { Cause, Deferred, Effect, type Scope } from "effect"
 import { ACPCatalog } from "./catalog"
-import { ACPConnection } from "./connection"
 import { ACPError } from "./error"
-import { ACPPromise } from "./promise"
 import { ACPService } from "./service"
-import { ACPSessions } from "./sessions"
-import { ACPTurn } from "./turn"
 
 // Untraced so request spans parent to the caller's span instead of a setup span that has already ended.
 export const connect = Effect.fnUntraced(function* (client: OpenCodeClient, stream: Stream) {
@@ -33,20 +28,13 @@ export const connect = Effect.fnUntraced(function* (client: OpenCodeClient, stre
       const handler = Effect.fn(name)(
         (ctx: AgentHandlerContext<Params>) =>
           Deferred.await(ready).pipe(Effect.flatMap((service) => call(service, ctx))),
-        Effect.catchTags({
-          ACPCatalogLoadError: (error) => ACPPromise.classify(error.cause),
-          ACPCatalogNotReadyError: (error) => Effect.die(error),
-        }),
+        // Catalog failures arrive typed and are classified like promise rejections.
+        Effect.catch(ACPError.classify),
         Effect.mapError((error) => (error instanceof RequestError ? error : ACPError.toRequestError(error))),
         Effect.tapCauseIf(Cause.hasDies, (cause) => Effect.logError("ACP request failed", cause)),
         Effect.catchDefect((defect) => Effect.fail(ACPError.toRequestError(ACPError.fromUnknown(defect)))),
       )
-      return (ctx: AgentHandlerContext<Params> & { readonly requestId?: JsonRpcId }) => {
-        if (ctx.requestId === undefined) return run(handler(ctx))
-        return run(
-          handler(ctx).pipe(Effect.provideService(ACPConnection.Responded, acp.connection.responded(ctx.requestId))),
-        )
-      }
+      return (ctx: AgentHandlerContext<Params>) => run(handler(ctx))
     }
   const app = agent({ name: "opencode" })
   const request = <Method extends AgentRequestMethod>(
@@ -88,7 +76,7 @@ export const connect = Effect.fnUntraced(function* (client: OpenCodeClient, stre
   )
   request(
     "session/close",
-    handle((service, ctx) => service.closeSession(ctx.params)),
+    handle((service, ctx) => ACPError.promise(() => service.closeSession(ctx.params))),
   )
   request(
     "session/fork",
@@ -106,19 +94,15 @@ export const connect = Effect.fnUntraced(function* (client: OpenCodeClient, stre
   // `stopReason: "cancelled"`.
   request(
     "session/prompt",
-    handle((service, ctx) => service.prompt(ctx.params, ctx.signal)),
+    handle((service, ctx) => ACPError.promise(() => service.prompt(ctx.params, ctx.signal))),
   )
   notification(
     "session/cancel",
-    handle((service, ctx) => service.cancel(ctx.params)),
+    handle((service, ctx) => ACPError.promise(() => service.cancel(ctx.params))),
   )
-  const acp = ACPConnection.make(app, stream)
-  const connection = acp.connection
-  const sessions = yield* ACPSessions.make({ client, connection, catalog })
-  const capabilities = yield* Ref.make({ childSessionUpdates: false, formElicitation: false })
-  const turn = yield* ACPTurn.make({ client, connection, sessions, catalog, capabilities })
-  yield* Deferred.succeed(ready, ACPService.make({ client, connection, catalog, sessions, capabilities, turn }))
-  return acp.agent
+  const connection = app.connect(stream)
+  yield* Deferred.succeed(ready, yield* ACPService.make({ client, connection, catalog, run }))
+  return connection
 })
 
 const spanName = (method: string) => `cli.acp.${method.replaceAll("/", ".")}`

packages/cli/src/acp/catalog.ts

@@ -3,18 +3,12 @@ import { FSUtil } from "@opencode/util/fs-util"
 import { Context, Deferred, Effect, Exit, Schedule, Schema, Semaphore, Stream, SubscriptionRef } from "effect"
 import type { ConfigOptionProvider } from "./config-option"
 
-// ACP runs these itself; they take precedence over server commands with the same name.
-export const builtinCommands = new Map([
-  ["compact", { description: "Compact the session", start: "compaction" as const }],
-])
-
 export type Catalog = {
   readonly providers: ConfigOptionProvider[]
   readonly models: ModelInfo[]
   readonly defaultModel: ModelRef
   readonly modes: Array<{ id: string; name: string; description?: string }>
   readonly defaultModeID: string
-  /** Server commands, without those shadowed by a built-in. */
   readonly commands: CommandInfo[]
 }
 
@@ -182,7 +176,7 @@ const read = Effect.fnUntraced(function* (client: OpenCodeClient, cwd: string) {
     },
     modes: agents.map((agent) => ({ id: agent.id, name: agent.name, description: agent.description })),
     defaultModeID: defaultAgent.id,
-    commands: commandResult.data.filter((command) => !builtinCommands.has(command.name)),
+    commands: commandResult.data,
   } satisfies Catalog
 })
 

packages/cli/src/acp/config-option.ts

@@ -1,6 +1,4 @@
 import type { SessionConfigOption } from "@agentclientprotocol/sdk"
-import type { ModelRef } from "@opencode/client/promise"
-import { builtinCommands, type Catalog } from "./catalog"
 
 export const DEFAULT_VARIANT_VALUE = "default"
 
@@ -27,34 +25,6 @@ export type ModelSelection = {
   variant?: string
 }
 
-/** A session's model and mode. Unset fields follow the catalog defaults. */
-export type Selection = {
-  readonly model?: ModelRef
-  readonly modeID?: string
-}
-
-export function currentModel(catalog: Catalog, selection: Selection) {
-  return selection.model ?? catalog.defaultModel
-}
-
-export function configOptions(catalog: Catalog, selection: Selection) {
-  const model = currentModel(catalog, selection)
-  return buildConfigOptions({
-    providers: catalog.providers,
-    currentModel: { providerID: model.providerID, modelID: model.id },
-    currentVariant: model.variant,
-    modes: catalog.modes,
-    currentModeId: selection.modeID ?? catalog.defaultModeID,
-  })
-}
-
-export function availableCommands(catalog: Catalog) {
-  return [
-    ...catalog.commands.map((command) => ({ name: command.name, description: command.description ?? "" })),
-    ...Array.from(builtinCommands, ([name, command]) => ({ name, description: command.description })),
-  ]
-}
-
 export function buildConfigOptions(input: {
   providers: readonly ConfigOptionProvider[]
   currentModel: ModelSelection["model"]

packages/cli/src/acp/connection.ts

@@ -1,86 +1,52 @@
 import {
   methods,
-  type AgentApp,
-  type AnyMessage,
-  type CreateElicitationRequest,
-  type CreateElicitationResponse,
-  type JsonRpcId,
+  type AgentConnection,
   type RequestError,
   type RequestPermissionRequest,
   type RequestPermissionResponse,
+  type SendRequestOptions,
   type SessionNotification,
-  type Stream,
 } from "@agentclientprotocol/sdk"
-import { Context, Deferred, Effect } from "effect"
-import type { ACPError } from "./error"
-import { ACPPromise } from "./promise"
+import { Context, type Effect } from "effect"
+import { ACPError } from "./error"
 
-/**
- * Completes once the response to the request being handled is written, so messages sent afterwards follow it.
- * Interrupts when the request fails. Outside a request it completes immediately.
- */
-export const Responded = Context.Reference<Effect.Effect<void>>("@opencode/cli/acp/Connection/Responded", {
-  defaultValue: () => Effect.void,
-})
+type Failure = ACPError.Error | RequestError
 
 export interface Interface {
-  readonly sessionUpdate: (params: SessionNotification) => Effect.Effect<void, ACPError.Error | RequestError>
-  /** Interruption cancels the client's request. */
-  readonly requestPermission: (
-    params: RequestPermissionRequest,
-  ) => Effect.Effect<RequestPermissionResponse, ACPError.Error | RequestError>
-  readonly extNotification: (
-    method: string,
-    params: Record<string, unknown>,
-  ) => Effect.Effect<void, ACPError.Error | RequestError>
-  /** Interruption cancels the client's request. */
-  readonly createElicitation: (
-    params: CreateElicitationRequest,
-  ) => Effect.Effect<CreateElicitationResponse, ACPError.Error | RequestError>
-  /** Tracks an incoming request from now on and returns its `Responded`. */
-  readonly responded: (requestId: JsonRpcId) => Effect.Effect<void>
+  readonly sessionUpdate: (params: SessionNotification) => Effect.Effect<void, Failure>
+  /** Interrupting the request cancels it on the client. */
+  readonly requestPermission: (params: RequestPermissionRequest) => Effect.Effect<RequestPermissionResponse, Failure>
+  readonly extNotification: (method: string, params: Record<string, unknown>) => Effect.Effect<void, Failure>
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/cli/acp/Connection") {}
 
-export function make(app: AgentApp, stream: Stream) {
-  // Settled as each response is written to the stream, which serializes every outgoing message.
-  const responses = new Map<JsonRpcId, Deferred.Deferred<void>>()
-  const writer = stream.writable.getWriter()
-  const agent = app.connect({
-    readable: stream.readable,
-    writable: new WritableStream<AnyMessage>({
-      write: async (message) => {
-        await writer.write(message)
-        if ("method" in message) return
-        const responded = responses.get(message.id)
-        if (!responded) return
-        responses.delete(message.id)
-        Deferred.doneUnsafe(responded, "result" in message ? Effect.void : Effect.interrupt)
-      },
-      close: () => writer.close(),
-      abort: (reason) => writer.abort(reason),
-    }),
+export function service(connection: AgentConnection) {
+  return Service.of({
+    sessionUpdate: (params) => ACPError.promise(() => connection.client.notify(methods.client.session.update, params)),
+    requestPermission: (params) =>
+      ACPError.promise((signal) =>
+        connection.client.request(methods.client.session.requestPermission, params, { cancellationSignal: signal }),
+      ),
+    extNotification: (method, params) => ACPError.promise(() => connection.client.notify(method, params)),
   })
+}
+
+export type Connection = {
+  readonly signal?: AbortSignal
+  sessionUpdate(params: SessionNotification): Promise<void>
+  requestPermission(params: RequestPermissionRequest, options?: SendRequestOptions): Promise<RequestPermissionResponse>
+  extNotification?(method: string, params: Record<string, unknown>): Promise<void>
+}
+
+/** Promise view for the turn and permission code until they run as effects. */
+export function make(connection: AgentConnection): Connection {
   return {
-    agent,
-    connection: Service.of({
-      sessionUpdate: (params) => ACPPromise.promise(() => agent.client.notify(methods.client.session.update, params)),
-      requestPermission: (params) =>
-        ACPPromise.promise((signal) =>
-          agent.client.request(methods.client.session.requestPermission, params, { cancellationSignal: signal }),
-        ),
-      extNotification: (method, params) => ACPPromise.promise(() => agent.client.notify(method, params)),
-      createElicitation: (params) =>
-        ACPPromise.promise((signal) =>
-          agent.client.request(methods.client.elicitation.create, params, { cancellationSignal: signal }),
-        ),
-      responded: (requestId) => {
-        const responded = Deferred.makeUnsafe<void>()
-        responses.set(requestId, responded)
-        return Deferred.await(responded)
-      },
-    }),
+    signal: connection.signal,
+    sessionUpdate: (params) => connection.client.notify(methods.client.session.update, params),
+    requestPermission: (params, options) =>
+      connection.client.request(methods.client.session.requestPermission, params, options),
+    extNotification: (method, params) => connection.client.notify(method, params),
   }
 }
 

packages/cli/src/acp/content.ts

@@ -171,11 +171,7 @@ function resourceLinkToPart(link: ResourceLink): PromptPart {
         mime: link.mimeType ?? "text/plain",
       }
   }
-  return linkReference(link.name, link.uri)
-}
-
-export function linkReference(name: string | undefined, uri: string): PromptPart {
-  return { type: "text", text: name ? `[${name}](${uri})` : uri }
+  return { type: "text", text: link.uri }
 }
 
 function filenameFromUri(uri: string | undefined): string | undefined {

packages/cli/src/acp/directories.ts

@@ -1,83 +0,0 @@
-import { isAbsolute, join, resolve } from "node:path"
-import { isDeepStrictEqual } from "node:util"
-import type { OpenCodeClient, PermissionRule, SessionInfo, SessionMetadata } from "@opencode/client/promise"
-import { FSUtil } from "@opencode/util/fs-util"
-import { Effect, Option, Schema } from "effect"
-import { ACPError } from "./error"
-import { ACPPromise } from "./promise"
-
-const key = "opencode.acp.additionalDirectories"
-const decodeStored = Schema.decodeUnknownOption(Schema.Array(Schema.String))
-
-/**
- * Normalizes additional workspace roots without following symlinks, keeping the spelling tools will see, and
- * drops duplicates and roots that resolve to cwd. Glob characters are rejected because permission resources
- * would treat them as wildcards. The ACP SDK has already dropped entries that are not strings and replaced a
- * value that is not an array with `[]`.
- */
-export const parse = Effect.fnUntraced(function* (cwd: string, directories: readonly string[] = []) {
-  const invalid = directories.find((directory) => !isAbsolute(directory) || /[*?]/.test(directory))
-  if (invalid !== undefined) return yield* new ACPError.InvalidAdditionalDirectoryError({ directory: invalid })
-  const root = FSUtil.resolve(cwd)
-  return [...new Set(directories.map((directory) => resolve(FSUtil.windowsPath(directory))))].filter(
-    (directory) => FSUtil.resolve(directory) !== root,
-  )
-})
-
-/** Session create fields that grant these directories. */
-export function grant(directories: readonly string[]) {
-  if (directories.length === 0) return {}
-  return { permissions: rules(directories), metadata: { [key]: [...directories] } }
-}
-
-/** The additional directories ACP last activated for the session, in request order. */
-export function list(session: Pick<SessionInfo, "metadata">) {
-  return [...Option.getOrElse(decodeStored(session.metadata?.[key]), () => [])]
-}
-
-/**
- * Replaces the rules granted for the previously activated directories with grants for these directories.
- * Grants persist on the server session, so they also apply when it is used from other clients, and child
- * sessions copy them when they are created; a child created earlier keeps roots its parent later dropped.
- * Session rules are evaluated after agent and config rules, so a grant overrides config `external_directory`
- * rules inside the root, while read, edit, and shell rules still apply.
- */
-export const activate = Effect.fnUntraced(function* (
-  client: OpenCodeClient,
-  session: SessionInfo,
-  directories: readonly string[],
-) {
-  const previous = list(session)
-  const owned = rules(previous)
-  const current = session.permissions ?? []
-  // ACP rules lead so the session's other rules keep precedence for the same paths.
-  const permissions = [
-    ...rules(directories),
-    ...current.filter((rule) => !owned.some((item) => isDeepStrictEqual(item, rule))),
-  ]
-  const metadata: SessionMetadata = {
-    ...Object.fromEntries(Object.entries(session.metadata ?? {}).filter(([name]) => name !== key)),
-    ...(directories.length > 0 ? { [key]: [...directories] } : {}),
-  }
-  const permissionsChanged = !isDeepStrictEqual(permissions, current)
-  const metadataChanged = !isDeepStrictEqual(previous, directories)
-  if (!permissionsChanged && !metadataChanged) return
-  yield* ACPPromise.promise(() =>
-    client.session.update({
-      sessionID: session.id,
-      ...(permissionsChanged ? { permissions } : {}),
-      ...(metadataChanged ? { metadata } : {}),
-    }),
-  )
-})
-
-// Tools compare the written path without following symlinks, so both spellings of a root are granted.
-function rules(directories: readonly string[]): PermissionRule[] {
-  return [...new Set(directories.flatMap((directory) => [directory, FSUtil.resolve(directory)]))].map((directory) => ({
-    action: "external_directory",
-    resource: join(directory, "*"),
-    effect: "allow",
-  }))
-}
-
-export * as ACPDirectories from "./directories"

packages/cli/src/acp/elicitation.ts

@@ -1,238 +0,0 @@
-import type {
-  CreateElicitationResponse,
-  ElicitationPropertySchema,
-  ElicitationSchema,
-  EnumOption,
-} from "@agentclientprotocol/sdk"
-import { isFormAlreadySettledError, isFormNotFoundError, type OpenCodeClient } from "@opencode/client/promise"
-import { Form } from "@opencode/schema/form"
-import { Cause, Effect, Option, Schema } from "effect"
-import type { ACPConnection } from "./connection"
-import type { ACPService } from "./service"
-
-/** A form as the event stream carries it, with an unbranded ID. */
-export type AskedForm = Omit<Form.Info, "id"> & { readonly id: string }
-type InputField = Exclude<Form.Field, Form.ExternalField>
-type SelectField = Form.StringField | Form.MultiselectField
-
-// Form mode must not collect secrets, so only forms from flows known not to ask for credentials are elicited.
-const ElicitedKind = Schema.Struct({ kind: Schema.Literals(["question", "websearch.provider"]) })
-const Credential = /password|passphrase|secret|token|api[_-]?key|credential|private[_-]?key/i
-const ToolSource = Schema.Struct({ tool: Schema.Struct({ id: Schema.String }) })
-
-type Input = {
-  readonly client: OpenCodeClient
-  readonly connection: ACPConnection.Interface
-  readonly form: AskedForm
-  readonly requestedSchema: ElicitationSchema
-  readonly clientSessionID: string
-  readonly child?: { readonly id: string; readonly title?: string }
-  /** Whether the asking tool call reached the client as a `session/update` tool call. */
-  readonly toolCallSent: boolean
-  /** Completes once the form is answered or cancelled elsewhere. */
-  readonly settled: Effect.Effect<void>
-}
-
-type Outcome = Form.Answer | "cancel" | "settled"
-
-/**
- * Asks the client, then resolves the form on the server. Once `cancelled` completes, the client's request is
- * cancelled or never sent, and the form is cancelled. Once `settled` completes, the client's request is cancelled and
- * the server is left alone. Resolving on the server is uninterruptible.
- */
-export const reply = Effect.fn("cli.acp.elicitation.reply")(function* (input: Input, cancelled: Effect.Effect<void>) {
-  yield* Effect.uninterruptibleMask((restore) =>
-    // The race starts racers in order and stops once one is done, so an earlier cancel never starts the ask.
-    restore(
-      cancelled.pipe(
-        Effect.as("cancel" as const),
-        Effect.raceFirst(input.settled.pipe(Effect.as("settled" as const))),
-        Effect.raceFirst(ask(input)),
-      ),
-    ).pipe(
-      Effect.tapCauseIf(Cause.hasDies, (cause) => Effect.logWarning("ACP elicitation failed", cause)),
-      Effect.catchCause(() => Effect.succeed("cancel" as const)),
-      Effect.flatMap((outcome) => respond(input, outcome)),
-    ),
-  )
-})
-
-/** Cancels a form, interrupting its session when the server can't cancel it. */
-export function cancel(client: OpenCodeClient, form: AskedForm) {
-  return settle(() => client.session.form.cancel({ sessionID: form.sessionID, formID: form.id })).pipe(
-    Effect.catch(() =>
-      Effect.tryPromise(() => client.session.interrupt({ sessionID: form.sessionID })).pipe(Effect.ignore),
-    ),
-  )
-}
-
-/**
- * The form-mode schema for a form, or undefined when the form is cancelled instead: the client lacks form
- * elicitation, the form is not from an allowed flow or has a field that looks like a credential, or ACP can't
- * represent it faithfully. Unrepresentable forms have `external` fields, `when` conditions, a hidden required field
- * without a default, a default outside a field's options, or a free-text answer alongside options that must also
- * satisfy `required` or item bounds across both inputs. Hidden fields are not asked and answer with their default.
- */
-export function requestedSchema(form: AskedForm, capabilities: ACPService.Capabilities): ElicitationSchema | undefined {
-  if (!capabilities.formElicitation) return undefined
-  if (Option.isNone(Schema.decodeUnknownOption(ElicitedKind)(form.metadata))) return undefined
-  if (form.fields.some((field) => Credential.test(field.key) || Credential.test(field.title ?? ""))) return undefined
-  const fields = form.fields.filter((field): field is InputField => field.type !== "external")
-  if (fields.length !== form.fields.length || fields.some((field) => field.when?.length)) return undefined
-  if (fields.some((field) => field.hidden && field.required && field.default === undefined)) return undefined
-  const keys = new Set(fields.map((field) => field.key))
-  const visible = fields.filter((field) => !field.hidden)
-  if (!visible.every((field) => representable(field, keys))) return undefined
-  return {
-    type: "object",
-    properties: Object.fromEntries(visible.flatMap(properties)),
-    required: visible.filter((field) => field.required).map((field) => field.key),
-  }
-}
-
-/** The answer for an accepted response, or undefined when the user declined, cancelled, or sent invalid content. */
-export function answer(form: AskedForm, response: CreateElicitationResponse): Form.Answer | undefined {
-  if (response.action !== "accept") return undefined
-  const content = Schema.decodeUnknownOption(Form.Answer)(response.content ?? {})
-  if (Option.isNone(content)) return undefined
-  return Object.fromEntries(
-    form.fields.flatMap((field) => {
-      const value = fieldAnswer(field, content.value)
-      return value === undefined ? [] : [[field.key, value]]
-    }),
-  )
-}
-
-const ask = Effect.fnUntraced(function* (input: Input) {
-  const source = input.toolCallSent ? Schema.decodeUnknownOption(ToolSource)(input.form.metadata) : Option.none()
-  const toolCallID = Option.getOrUndefined(Option.map(source, (metadata) => metadata.tool.id))
-  const response = yield* input.connection.createElicitation({
-    mode: "form",
-    sessionId: input.clientSessionID,
-    ...(toolCallID ? { toolCallId: input.child ? `${input.child.id}:${toolCallID}` : toolCallID } : {}),
-    message: input.child?.title ? `${input.child.title}: ${input.form.title}` : input.form.title,
-    requestedSchema: input.requestedSchema,
-  })
-  return answer(input.form, response) ?? "cancel"
-})
-
-function respond(input: Input, outcome: Outcome) {
-  if (outcome === "settled") return Effect.void
-  if (outcome === "cancel") return cancel(input.client, input.form)
-  return settle(() =>
-    input.client.session.form.reply({ sessionID: input.form.sessionID, formID: input.form.id, answer: outcome }),
-  ).pipe(
-    Effect.catch((cause) =>
-      Effect.logWarning("ACP form reply failed", cause).pipe(Effect.andThen(cancel(input.client, input.form))),
-    ),
-  )
-}
-
-// A form already answered or cancelled elsewhere needs nothing more.
-function settle(evaluate: () => Promise<void>) {
-  return Effect.tryPromise({ try: evaluate, catch: (cause) => cause }).pipe(
-    Effect.catch((cause) =>
-      isFormAlreadySettledError(cause) || isFormNotFoundError(cause) ? Effect.void : Effect.fail(cause),
-    ),
-  )
-}
-
-function representable(field: InputField, keys: ReadonlySet<string>) {
-  if (field.type !== "string" && field.type !== "multiselect") return true
-  if (!hasOptions(field)) return true
-  const values = new Set(field.options?.map((option) => option.value))
-  const defaults =
-    field.default === undefined ? [] : typeof field.default === "string" ? [field.default] : field.default
-  if (defaults.some((value) => !values.has(value))) return false
-  if (!field.custom) return true
-  if (field.required || keys.has(customKey(field))) return false
-  return field.type === "string" || (field.minItems === undefined && field.maxItems === undefined)
-}
-
-function properties(field: InputField): Array<[string, ElicitationPropertySchema]> {
-  const base = { title: field.title, description: field.description }
-  switch (field.type) {
-    case "string": {
-      if (!hasOptions(field)) return [[field.key, { type: "string", ...base, ...text(field), default: field.default }]]
-      const select: ElicitationPropertySchema = {
-        type: "string",
-        ...base,
-        oneOf: options(field),
-        default: field.default,
-      }
-      return field.custom ? [[field.key, select], other(field, "Type your own answer")] : [[field.key, select]]
-    }
-    case "multiselect": {
-      const select: ElicitationPropertySchema = {
-        type: "array",
-        ...base,
-        items: { anyOf: options(field) },
-        minItems: field.required ? Math.max(field.minItems ?? 0, 1) : field.minItems,
-        maxItems: field.maxItems,
-        default: field.default,
-      }
-      return field.custom ? [[field.key, select], other(field, "Add your own answer")] : [[field.key, select]]
-    }
-    case "number":
-    case "integer":
-      return [
-        [
-          field.key,
-          { type: field.type, ...base, minimum: field.minimum, maximum: field.maximum, default: field.default },
-        ],
-      ]
-    case "boolean":
-      return [[field.key, { type: "boolean", ...base, default: field.default }]]
-  }
-}
-
-// A free-text answer next to a field's options is a separate optional property that wins over the selection.
-function other(field: SelectField, description: string): [string, ElicitationPropertySchema] {
-  return [
-    customKey(field),
-    {
-      type: "string",
-      title: `${field.title ?? field.key} (other)`,
-      description,
-      ...(field.type === "string" ? text(field) : {}),
-    },
-  ]
-}
-
-// Core rejects an empty string for a required field, so the client is told it needs at least one character.
-function text(field: Form.StringField) {
-  return {
-    format: field.format,
-    minLength: field.required ? Math.max(field.minLength ?? 0, 1) : field.minLength,
-    maxLength: field.maxLength,
-    pattern: field.pattern,
-  }
-}
-
-function options(field: SelectField): EnumOption[] {
-  return (field.options ?? []).map((option) => ({
-    const: option.value,
-    title: option.label,
-    description: option.description,
-  }))
-}
-
-function fieldAnswer(field: Form.Field, content: Form.Answer) {
-  if (field.type !== "external" && field.hidden) return field.default
-  const value = content[field.key]
-  if ((field.type !== "string" && field.type !== "multiselect") || !field.custom || !hasOptions(field)) return value
-  const custom = content[customKey(field)]
-  if (typeof custom !== "string" || custom.trim() === "") return value
-  if (field.type === "string") return custom
-  return Array.isArray(value) ? [...value, custom] : [custom]
-}
-
-function hasOptions(field: SelectField) {
-  return field.type === "multiselect" || field.options !== undefined
-}
-
-function customKey(field: SelectField) {
-  return `${field.key}_custom`
-}
-
-export * as ACPElicitation from "./elicitation"

packages/cli/src/acp/error.ts

@@ -1,5 +1,7 @@
 import { RequestError } from "@agentclientprotocol/sdk"
-import { Schema } from "effect"
+import { ClientError } from "@opencode/client/promise"
+import { Effect, Schema } from "effect"
+import { ACPCatalog } from "./catalog"
 
 export class SessionNotFoundError extends Schema.TaggedError<SessionNotFoundError>()("ACPSessionNotFoundError", {
   sessionId: Schema.String,
@@ -28,22 +30,12 @@ export class InvalidModeError extends Schema.TaggedError<InvalidModeError>()("AC
   mode: Schema.String,
 }) {}
 
-export class InvalidAdditionalDirectoryError extends Schema.TaggedError<InvalidAdditionalDirectoryError>()(
-  "ACPInvalidAdditionalDirectoryError",
-  { directory: Schema.String },
-) {}
-
 export class AuthRequiredError extends Schema.TaggedError<AuthRequiredError>()("ACPAuthRequiredError", {}) {}
 
 export class UnknownAuthMethodError extends Schema.TaggedError<UnknownAuthMethodError>()("ACPUnknownAuthMethodError", {
   methodId: Schema.String,
 }) {}
 
-export class InvalidRequestError extends Schema.TaggedError<InvalidRequestError>()("ACPInvalidRequestError", {
-  message: Schema.String,
-  field: Schema.optional(Schema.String),
-}) {}
-
 export class ServiceFailureError extends Schema.TaggedError<ServiceFailureError>()("ACPServiceFailureError", {
   safeMessage: Schema.String,
   service: Schema.optional(Schema.String),
@@ -62,10 +54,8 @@ const Errors = Schema.Union([
   InvalidModelError,
   InvalidEffortError,
   InvalidModeError,
-  InvalidAdditionalDirectoryError,
   AuthRequiredError,
   UnknownAuthMethodError,
-  InvalidRequestError,
   ServiceFailureError,
   ServerUnavailableError,
 ])
@@ -94,17 +84,10 @@ export function toRequestError(error: Error): RequestError {
       return RequestError.invalidParams({ effort: error.effort }, `effort not found: ${error.effort}`)
     case "ACPInvalidModeError":
       return RequestError.invalidParams({ mode: error.mode }, `mode not found: ${error.mode}`)
-    case "ACPInvalidAdditionalDirectoryError":
-      return RequestError.invalidParams(
-        { additionalDirectory: error.directory },
-        `additional directory must be an absolute path without glob characters: ${error.directory}`,
-      )
     case "ACPAuthRequiredError":
       return RequestError.authRequired({}, "provider authentication required")
     case "ACPUnknownAuthMethodError":
       return RequestError.invalidParams({ methodId: error.methodId }, `unknown auth method: ${error.methodId}`)
-    case "ACPInvalidRequestError":
-      return RequestError.invalidParams(error.field ? { field: error.field } : {}, error.message)
     case "ACPServiceFailureError":
       return RequestError.internalError(
         {
@@ -120,6 +103,18 @@ export function toRequestError(error: Error): RequestError {
   return exhaustive
 }
 
+/** Runs a promise, keeping ACP failures typed. Any other rejection is a defect. */
+export const promise = <A>(evaluate: (signal: AbortSignal) => Promise<A>) =>
+  Effect.tryPromise({ try: evaluate, catch: (cause) => cause }).pipe(Effect.catch(classify))
+
+export function classify(cause: unknown): Effect.Effect<never, Error | RequestError> {
+  // A catalog load failure is classified by the client error that caused it.
+  if (cause instanceof ACPCatalog.LoadError) return classify(cause.cause)
+  if (cause instanceof RequestError || is(cause)) return Effect.fail(cause)
+  if (cause instanceof ClientError && cause.reason === "Transport") return Effect.fail(new ServerUnavailableError())
+  return Effect.die(cause)
+}
+
 export function fromUnknown(error: unknown, service?: string) {
   const errorName = error instanceof Error ? error.name : undefined
   return new ServiceFailureError({ safeMessage: "Internal service failure", service, errorName })

packages/cli/src/acp/event.ts

@@ -0,0 +1,698 @@
+import type { PromptResponse, SessionUpdate } from "@agentclientprotocol/sdk"
+import type {
+  EventSubscribeOutput,
+  OpenCodeClient,
+  SessionMessageAssistant,
+  SessionMessageInfo,
+  SessionStructuredError,
+  TokenUsageInfo,
+} from "@opencode/client/promise"
+import { Event } from "@opencode/schema/event"
+import { SessionMessage } from "@opencode/schema/session-message"
+import { TokenUsage } from "@opencode/schema/token-usage"
+import type { ACPConnection } from "./connection"
+import { partsToContentChunks, type ReplayPart } from "./content"
+import { ACPError } from "./error"
+import { replyPermission } from "./permission"
+import {
+  completedToolUpdate,
+  errorToolUpdate,
+  pendingToolCall,
+  runningToolUpdate,
+  type ToolContent,
+  type ToolInput,
+} from "./tool"
+
+type Connection = Pick<ACPConnection.Connection, "sessionUpdate" | "requestPermission">
+
+export type TurnControl = {
+  cancelled: boolean
+  // Aborted whenever the turn is cancelled or closed, so it also cancels the turn's outbound client requests.
+  readonly admission: AbortController
+}
+
+type ToolState = {
+  readonly name: string
+  input: ToolInput
+  metadata: Record<string, unknown>
+  content: ToolContent
+}
+
+export type TurnStart =
+  | { readonly type: "input"; readonly id: string }
+  | { readonly type: "skill"; readonly id: string }
+  | { readonly type: "compaction"; readonly id: string }
+
+export const ChildSessionUpdatesCapability = "opencode/child-session-updates"
+export const ChildSessionUpdateMethod = "opencode/session/child_update"
+const RetryMeta = "opencode/retry"
+const CompactionMeta = "opencode/compaction"
+
+type RetryStatus = {
+  readonly attempt: number
+  readonly nextRetryAt: string
+  readonly error: SessionStructuredError
+}
+
+type CompactionMarker = {
+  readonly status: "started" | "completed" | "failed"
+  readonly messageId: string
+  readonly reason: "auto" | "manual"
+  readonly error?: SessionStructuredError
+}
+
+type CompactionEvent = Extract<
+  EventSubscribeOutput,
+  { readonly type: "session.compaction.started" | "session.compaction.ended" | "session.compaction.failed" }
+>
+
+type ChildSessionUpdateBase = {
+  readonly rootSessionId: string
+  readonly childSessionId: string
+  readonly parentSessionId: string
+  readonly depth: number
+  readonly title?: string
+}
+
+type ChildSessionEvent =
+  | { readonly type: "update"; readonly update: SessionUpdate }
+  | {
+      readonly type: "status"
+      readonly status: "created" | "running" | "completed" | "failed" | "interrupted"
+      readonly error?: { readonly type: string; readonly message: string }
+    }
+
+export type ChildSessionUpdate = ChildSessionUpdateBase & ChildSessionEvent
+
+type ChildSession = {
+  readonly id: string
+  readonly parentID: string
+  readonly depth: number
+  readonly title?: string
+}
+
+function emptyToolState(): ToolState {
+  return { name: "tool", input: {}, metadata: {}, content: [] }
+}
+
+export async function streamTurn(input: {
+  readonly client: OpenCodeClient
+  readonly connection: Connection
+  readonly sessionID: string
+  readonly cwd: string
+  readonly start: TurnStart
+  readonly action?: boolean
+  readonly submit: (signal: AbortSignal) => Promise<unknown>
+  readonly control: TurnControl
+  readonly childSessionUpdate?: (update: ChildSessionUpdate) => Promise<void>
+  readonly connectionSignal?: AbortSignal
+  readonly sessionSignal?: AbortSignal
+}): Promise<{ readonly response: PromptResponse; readonly contextTokens: number | undefined }> {
+  const streamController = new AbortController()
+  const connectionAbort = () => streamController.abort()
+  input.connectionSignal?.addEventListener("abort", connectionAbort, { once: true })
+  const stream = input.client.event.subscribe({ signal: streamController.signal })[Symbol.asyncIterator]()
+  const connected = await stream.next()
+  if (connected.done) throw new Error("event stream disconnected before prompt admission")
+
+  const control = input.control
+  let started = false
+  let finish: SessionMessageAssistant["finish"]
+  let executionError: { readonly type: string; readonly message: string } | undefined
+  let stepError: SessionStructuredError | undefined
+  let usage: { readonly turn: TokenUsageInfo; readonly last: TokenUsageInfo } | undefined
+  const tools = new Map<string, ToolState>()
+  const retries = new Map<string, RetryStatus>()
+  const compactions = new Map<string, string>()
+  const children = new Map<string, ChildSession>()
+  const openChildren = new Set<string>()
+  let handedOff = false
+
+  const recordStep = (tokens: TokenUsageInfo) => {
+    const turn = usage?.turn
+    usage = {
+      turn: turn
+        ? {
+            input: turn.input + tokens.input,
+            output: turn.output + tokens.output,
+            reasoning: turn.reasoning + tokens.reasoning,
+            cache: { read: turn.cache.read + tokens.cache.read, write: turn.cache.write + tokens.cache.write },
+          }
+        : tokens,
+      last: tokens,
+    }
+  }
+
+  const notifyChild = async (child: ChildSession, value: ChildSessionEvent) => {
+    if (!input.childSessionUpdate) return
+    await input
+      .childSessionUpdate({
+        rootSessionId: input.sessionID,
+        childSessionId: child.id,
+        parentSessionId: child.parentID,
+        depth: child.depth,
+        ...(child.title ? { title: child.title } : {}),
+        ...value,
+      })
+      .catch(() => {})
+  }
+
+  const updateSession = async (value: SessionUpdate, child: ChildSession | undefined, mode: "turn" | "background") => {
+    const projected = child ? projectChildUpdate(value, child) : value
+    if (mode === "turn" && (!child || !input.childSessionUpdate)) {
+      await input.connection.sessionUpdate({ sessionId: input.sessionID, update: projected })
+    }
+    if (child) await notifyChild(child, { type: "update", update: projected })
+  }
+
+  const consume = async (mode: "turn" | "background") => {
+    while (!streamController.signal.aborted) {
+      const next = await stream.next()
+      if (next.done) throw new Error("event stream disconnected during prompt execution")
+      const event = next.value
+      if (event.type === "session.created") {
+        const parentID = event.data.parentID
+        if (!parentID) continue
+        const parent = parentID === input.sessionID ? undefined : children.get(parentID)
+        if ((mode === "turn" && parentID === input.sessionID) || parent) {
+          const child = {
+            id: event.data.sessionID,
+            parentID,
+            depth: parent ? parent.depth + 1 : 1,
+            title: event.data.title,
+          }
+          children.set(child.id, child)
+          openChildren.add(child.id)
+          await notifyChild(child, { type: "status", status: "created" })
+        }
+        continue
+      }
+
+      const eventSessionID = sessionIDFromEvent(event)
+      const child = eventSessionID ? children.get(eventSessionID) : undefined
+      const send = (update: SessionUpdate) => updateSession(update, child, mode)
+      if (mode === "background" && !child) continue
+
+      if (event.type === "permission.asked" && (event.data.sessionID === input.sessionID || child)) {
+        const tool = event.data.source?.id ? tools.get(toolKey(event.data.sessionID, event.data.source.id)) : undefined
+        await replyPermission({
+          client: input.client,
+          connection: input.connection,
+          event,
+          sessionID: event.data.sessionID,
+          clientSessionID: input.sessionID,
+          cwd: input.cwd,
+          tool,
+          signal: control.admission.signal,
+          ...(child ? { toolCallPrefix: child.id, titlePrefix: child.title } : {}),
+        })
+        continue
+      }
+      if (event.type === "form.created" && (event.data.form.sessionID === input.sessionID || child)) {
+        await input.client.session.form
+          .cancel({ sessionID: event.data.form.sessionID, formID: event.data.form.id })
+          .catch(() => input.client.session.interrupt({ sessionID: event.data.form.sessionID }).catch(() => {}))
+        continue
+      }
+      if (!eventSessionID || (eventSessionID !== input.sessionID && !child)) continue
+      if (matchesStart(event, input.start)) {
+        started = true
+        continue
+      }
+      if (!started) continue
+
+      if (event.type === "session.execution.started") {
+        if (child) {
+          await notifyChild(child, { type: "status", status: "running" })
+        }
+        continue
+      }
+
+      if (event.type === "session.step.started") {
+        if (!child) stepError = undefined
+        if (retries.delete(eventSessionID))
+          await send({ sessionUpdate: "session_info_update", _meta: { [RetryMeta]: null } })
+        continue
+      }
+      if (event.type === "session.retry.scheduled") {
+        const retry = {
+          attempt: event.data.attempt,
+          nextRetryAt: new Date(event.data.at).toISOString(),
+          error: event.data.error,
+        }
+        retries.set(eventSessionID, retry)
+        await send({ sessionUpdate: "session_info_update", _meta: { [RetryMeta]: retry } })
+        continue
+      }
+      if (
+        event.type === "session.compaction.started" ||
+        event.type === "session.compaction.ended" ||
+        event.type === "session.compaction.failed"
+      ) {
+        const marker = compactionMarker(event, compactions)
+        if (marker) await send(compactionUpdate(marker))
+        continue
+      }
+      if (event.type === "session.text.delta") {
+        await send({
+          sessionUpdate: "agent_message_chunk",
+          messageId: event.data.assistantMessageID,
+          content: { type: "text", text: event.data.delta },
+        })
+        continue
+      }
+      if (event.type === "session.reasoning.delta") {
+        await send({
+          sessionUpdate: "agent_thought_chunk",
+          messageId: `${event.data.assistantMessageID}:reasoning:${event.data.ordinal}`,
+          content: { type: "text", text: event.data.delta },
+        })
+        continue
+      }
+      if (event.type === "session.tool.input.started") {
+        tools.set(toolKey(event.data.sessionID, event.data.id), {
+          name: event.data.name,
+          input: {},
+          metadata: {},
+          content: [],
+        })
+        await send({
+          sessionUpdate: "tool_call",
+          ...pendingToolCall({
+            toolCallId: event.data.id,
+            toolName: event.data.name,
+            state: { input: {} },
+            cwd: input.cwd,
+          }),
+        })
+        continue
+      }
+      if (event.type === "session.tool.called") {
+        const key = toolKey(event.data.sessionID, event.data.id)
+        const current = tools.get(key) ?? emptyToolState()
+        current.input = event.data.input
+        tools.set(key, current)
+        await send({
+          sessionUpdate: "tool_call_update",
+          ...runningToolUpdate({
+            toolCallId: event.data.id,
+            toolName: current.name,
+            state: { input: current.input },
+            cwd: input.cwd,
+          }),
+        })
+        continue
+      }
+      if (event.type === "session.tool.progress") {
+        const current = tools.get(toolKey(event.data.sessionID, event.data.id))
+        if (!current) continue
+        current.metadata = event.data.metadata
+        await send({
+          sessionUpdate: "tool_call_update",
+          ...runningToolUpdate({
+            toolCallId: event.data.id,
+            toolName: current.name,
+            state: { input: current.input },
+            cwd: input.cwd,
+          }),
+        })
+        continue
+      }
+      if (event.type === "session.tool.success") {
+        const key = toolKey(event.data.sessionID, event.data.id)
+        const current = tools.get(key) ?? emptyToolState()
+        tools.delete(key)
+        await send({
+          sessionUpdate: "tool_call_update",
+          ...completedToolUpdate({
+            toolCallId: event.data.id,
+            toolName: current.name,
+            input: current.input,
+            metadata: event.data.metadata,
+            content: event.data.content,
+            cwd: input.cwd,
+          }),
+        })
+        continue
+      }
+      if (event.type === "session.tool.failed") {
+        const key = toolKey(event.data.sessionID, event.data.id)
+        const current = tools.get(key) ?? emptyToolState()
+        tools.delete(key)
+        await send({
+          sessionUpdate: "tool_call_update",
+          ...errorToolUpdate({
+            toolCallId: event.data.id,
+            toolName: current.name,
+            input: current.input,
+            metadata: event.data.metadata ?? current.metadata,
+            content: event.data.content ?? current.content,
+            error: event.data.error.message,
+            cwd: input.cwd,
+          }),
+        })
+        continue
+      }
+      if (event.type === "session.step.ended") {
+        if (!child) {
+          finish = event.data.finish
+          recordStep(event.data.tokens)
+        }
+        continue
+      }
+      if (event.type === "session.step.failed") {
+        if (!child) {
+          stepError = event.data.error
+          if (event.data.tokens) recordStep(event.data.tokens)
+        }
+        continue
+      }
+      if (event.type === "session.execution.succeeded") {
+        if (!child) return "succeeded" as const
+        openChildren.delete(child.id)
+        await notifyChild(child, { type: "status", status: "completed" })
+        if (mode === "background" && openChildren.size === 0) return "succeeded" as const
+        continue
+      }
+      if (event.type === "session.execution.interrupted") {
+        if (!child) return "interrupted" as const
+        openChildren.delete(child.id)
+        await notifyChild(child, { type: "status", status: "interrupted" })
+        if (mode === "background" && openChildren.size === 0) return "interrupted" as const
+        continue
+      }
+      if (event.type === "session.execution.failed") {
+        if (child) {
+          openChildren.delete(child.id)
+          await notifyChild(child, { type: "status", status: "failed", error: event.data.error })
+          if (mode === "background" && openChildren.size === 0) return "failed" as const
+          continue
+        }
+        executionError = event.data.error
+        return "failed" as const
+      }
+    }
+    return "interrupted" as const
+  }
+
+  const completed = consume("turn")
+  const closeStream = async () => {
+    streamController.abort()
+    input.connectionSignal?.removeEventListener("abort", connectionAbort)
+    input.sessionSignal?.removeEventListener("abort", connectionAbort)
+    await stream.return?.(undefined).catch(() => {})
+  }
+  try {
+    await input.submit(control.admission.signal).catch((error) => {
+      if (!control.cancelled) throw error
+    })
+    if (input.action) {
+      streamController.abort()
+      await completed.catch(() => {})
+      return {
+        response: response(undefined, undefined, "succeeded", control.cancelled, undefined),
+        contextTokens: undefined,
+      }
+    }
+    if (control.cancelled) {
+      await input.client.session.interrupt({ sessionID: input.sessionID }).catch(() => {})
+      if (!started) {
+        streamController.abort()
+        await completed.catch(() => {})
+        return { response: response(undefined, undefined, "interrupted", true, undefined), contextTokens: undefined }
+      }
+    }
+    const terminal = await completed
+    if (input.childSessionUpdate && openChildren.size > 0 && !input.sessionSignal?.aborted) {
+      handedOff = true
+      input.sessionSignal?.addEventListener("abort", connectionAbort, { once: true })
+      void consume("background")
+        .catch(() => {})
+        .finally(closeStream)
+    }
+    return {
+      response: response(
+        usage?.turn,
+        stepError ?? executionError,
+        terminal,
+        control.cancelled,
+        finish,
+        retries.get(input.sessionID),
+      ),
+      contextTokens: usage ? TokenUsage.total(usage.last) : undefined,
+    }
+  } catch (error) {
+    streamController.abort()
+    await completed.catch(() => {})
+    throw error
+  } finally {
+    if (!handedOff) await closeStream()
+  }
+}
+
+function sessionIDFromEvent(event: EventSubscribeOutput) {
+  if ("sessionID" in event.data && typeof event.data.sessionID === "string") return event.data.sessionID
+  if (event.type === "form.created") return event.data.form.sessionID
+  return undefined
+}
+
+function toolKey(sessionID: string, id: string) {
+  return `${sessionID}:${id}`
+}
+
+// Message IDs follow core's compaction message projection, so live markers match replayed ones.
+function compactionMarker(event: CompactionEvent, compactions: Map<string, string>): CompactionMarker | undefined {
+  const sessionID = event.data.sessionID
+  if (event.type === "session.compaction.started") {
+    const messageId = event.data.inputID ?? SessionMessage.ID.fromEvent(Event.ID.make(event.id))
+    compactions.set(sessionID, messageId)
+    return { status: "started", messageId, reason: event.data.reason }
+  }
+  const tracked = compactions.get(sessionID)
+  compactions.delete(sessionID)
+  if (event.type === "session.compaction.ended")
+    return tracked ? { status: "completed", messageId: tracked, reason: event.data.reason } : undefined
+  // Automatic compaction can fail before it starts, for example when there is nothing to compact yet.
+  return {
+    status: "failed",
+    messageId: tracked ?? event.data.inputID ?? SessionMessage.ID.fromEvent(Event.ID.make(event.id)),
+    reason: event.data.reason,
+    error: event.data.error,
+  }
+}
+
+function compactionUpdate(marker: CompactionMarker): SessionUpdate {
+  return { sessionUpdate: "session_info_update", _meta: { [CompactionMeta]: marker } }
+}
+
+function projectChildUpdate(update: SessionUpdate, child: ChildSession) {
+  const projected = { ...update }
+  projected._meta = {
+    ...projected._meta,
+    "opencode/child-session": {
+      id: child.id,
+      parentID: child.parentID,
+      depth: child.depth,
+      ...(child.title ? { title: child.title } : {}),
+    },
+  }
+  if (projected.sessionUpdate === "tool_call" || projected.sessionUpdate === "tool_call_update") {
+    projected.toolCallId = `${child.id}:${projected.toolCallId}`
+    if (projected.title && child.title) projected.title = `${child.title}: ${projected.title}`
+  }
+  return projected
+}
+
+export async function replayMessages(
+  connection: Pick<Connection, "sessionUpdate">,
+  sessionID: string,
+  cwd: string,
+  messages: readonly SessionMessageInfo[],
+) {
+  for (const message of messages) await replayMessage(connection, sessionID, cwd, message).catch(() => {})
+}
+
+async function replayMessage(
+  connection: Pick<Connection, "sessionUpdate">,
+  sessionID: string,
+  cwd: string,
+  message: SessionMessageInfo,
+) {
+  if (message.type === "user") {
+    await connection.sessionUpdate({
+      sessionId: sessionID,
+      update: {
+        sessionUpdate: "user_message_chunk",
+        messageId: message.id,
+        content: { type: "text", text: message.text },
+      },
+    })
+    const files: ReplayPart[] = (message.files ?? []).map((file) => ({
+      type: "file",
+      url: file.source.type === "uri" ? file.source.uri : `data:${file.mime};base64,${file.data}`,
+      filename: file.name,
+      mime: file.mime,
+    }))
+    for (const chunk of partsToContentChunks(files)) {
+      await connection.sessionUpdate({
+        sessionId: sessionID,
+        update: { sessionUpdate: "user_message_chunk", messageId: message.id, ...chunk },
+      })
+    }
+    return
+  }
+  // A running compaction has no live turn on this connection to settle it, so replay only settled ones.
+  if (message.type === "compaction" && message.status !== "running") {
+    await connection.sessionUpdate({
+      sessionId: sessionID,
+      update: compactionUpdate({
+        status: message.status,
+        messageId: message.id,
+        reason: message.reason,
+        ...(message.status === "failed" ? { error: message.error } : {}),
+      }),
+    })
+    return
+  }
+  if (message.type !== "assistant") return
+  // Live reasoning ordinals count only reasoning parts, not the mixed content array.
+  let reasoningOrdinal = 0
+  for (const part of message.content) {
+    if (part.type === "text") {
+      await connection.sessionUpdate({
+        sessionId: sessionID,
+        update: {
+          sessionUpdate: "agent_message_chunk",
+          messageId: message.id,
+          content: { type: "text", text: part.text },
+        },
+      })
+      continue
+    }
+    if (part.type === "reasoning") {
+      await connection.sessionUpdate({
+        sessionId: sessionID,
+        update: {
+          sessionUpdate: "agent_thought_chunk",
+          messageId: `${message.id}:reasoning:${reasoningOrdinal++}`,
+          content: { type: "text", text: part.text },
+        },
+      })
+      continue
+    }
+    await connection.sessionUpdate({
+      sessionId: sessionID,
+      update: {
+        sessionUpdate: "tool_call",
+        ...pendingToolCall({
+          toolCallId: part.id,
+          toolName: part.name,
+          state: { input: part.state.status === "streaming" ? {} : part.state.input },
+          cwd,
+        }),
+      },
+    })
+    switch (part.state.status) {
+      case "completed":
+        await connection.sessionUpdate({
+          sessionId: sessionID,
+          update: {
+            sessionUpdate: "tool_call_update",
+            ...completedToolUpdate({
+              toolCallId: part.id,
+              toolName: part.name,
+              input: part.state.input,
+              metadata: part.state.metadata,
+              content: part.state.content,
+              cwd,
+            }),
+          },
+        })
+        break
+      case "running":
+        await connection.sessionUpdate({
+          sessionId: sessionID,
+          update: {
+            sessionUpdate: "tool_call_update",
+            ...runningToolUpdate({
+              toolCallId: part.id,
+              toolName: part.name,
+              state: { input: part.state.input },
+              cwd,
+            }),
+          },
+        })
+        break
+      case "error":
+        await connection.sessionUpdate({
+          sessionId: sessionID,
+          update: {
+            sessionUpdate: "tool_call_update",
+            ...errorToolUpdate({
+              toolCallId: part.id,
+              toolName: part.name,
+              input: part.state.input,
+              metadata: part.state.metadata,
+              content: part.state.content,
+              error: part.state.error.message,
+              cwd,
+            }),
+          },
+        })
+        break
+      case "streaming":
+        break
+    }
+  }
+}
+
+function matchesStart(event: EventSubscribeOutput, start: TurnStart) {
+  if (start.type === "input") return event.type === "session.inbox.delivered" && event.data.inboxID === start.id
+  if (start.type === "compaction") return event.type === "session.inbox.delivered" && event.data.inboxID === start.id
+  return event.type === "session.skill.activated" && event.id === start.id.replace(/^msg_/, "evt_")
+}
+
+function response(
+  tokens: TokenUsageInfo | undefined,
+  error: { readonly type: string; readonly message: string } | undefined,
+  terminal: "succeeded" | "failed" | "interrupted",
+  cancelled: boolean,
+  finish: SessionMessageAssistant["finish"],
+  retry?: RetryStatus,
+): PromptResponse {
+  if (error?.type === "provider.auth") throw new ACPError.AuthRequiredError()
+  if (error && error.type !== "aborted" && error.type !== "provider.content-filter") {
+    throw new ACPError.ServiceFailureError({
+      safeMessage: error.message || "OpenCode prompt failed",
+      service: "session",
+      errorName: error.type,
+    })
+  }
+  const usage = tokens
+    ? {
+        inputTokens: tokens.input,
+        outputTokens: tokens.output,
+        totalTokens: TokenUsage.total(tokens),
+        ...(tokens.reasoning > 0 ? { thoughtTokens: tokens.reasoning } : {}),
+        ...(tokens.cache.read > 0 ? { cachedReadTokens: tokens.cache.read } : {}),
+        ...(tokens.cache.write > 0 ? { cachedWriteTokens: tokens.cache.write } : {}),
+      }
+    : undefined
+  const stopReason = resolveStopReason({ terminal, cancelled, finish, error: error?.type })
+  // Only an interrupt during backoff leaves a retry pending. Interruption clears the projected retry, so report it here.
+  return { stopReason, ...(usage ? { usage } : {}), _meta: retry ? { [RetryMeta]: retry } : {} }
+}
+
+function resolveStopReason(input: {
+  readonly terminal: "succeeded" | "failed" | "interrupted"
+  readonly cancelled: boolean
+  readonly finish: SessionMessageAssistant["finish"]
+  readonly error?: string
+}): PromptResponse["stopReason"] {
+  if (input.cancelled || input.terminal === "interrupted" || input.error === "aborted") return "cancelled"
+  if (input.finish === "length") return "max_tokens"
+  if (input.finish === "content-filter" || input.error === "provider.content-filter") return "refusal"
+  return "end_turn"
+}
+
+export * as ACPEvent from "./event"

packages/cli/src/acp/permission.ts

@@ -1,62 +1,53 @@
 import type { PermissionOption, ToolCallContent, ToolCallLocation } from "@agentclientprotocol/sdk"
-import type { EventSubscribeOutput, OpenCodeClient, PermissionReplyInput } from "@opencode/client/promise"
+import type { EventSubscribeOutput, OpenCodeClient } from "@opencode/client/promise"
 import { Patch } from "@opencode/util/patch"
-import { Cause, Effect } from "effect"
 import type { ACPConnection } from "./connection"
-import { ACPPromise } from "./promise"
-import { absolutePath, filePath, patchHunks, pendingToolCall, stringValue, toLocations, type ToolInput } from "./tool"
+import {
+  absolutePath,
+  filePath,
+  patchHunks,
+  pendingToolCall,
+  stringValue,
+  toLocations,
+  type ToolInput,
+} from "./tool"
 
 type PermissionEvent = Extract<EventSubscribeOutput, { type: "permission.asked" }>
+type Connection = Pick<ACPConnection.Connection, "requestPermission">
 type Tool = { readonly name: string; readonly input: ToolInput }
 
-type Input = {
-  readonly client: OpenCodeClient
-  readonly connection: ACPConnection.Interface
-  readonly event: PermissionEvent
-  readonly sessionID: string
-  readonly clientSessionID: string
-  readonly cwd: string
-  readonly tool?: Tool
-  readonly toolCallPrefix?: string
-  readonly titlePrefix?: string
-}
-
 const options: PermissionOption[] = [
   { optionId: "once", kind: "allow_once", name: "Allow once" },
   { optionId: "always", kind: "allow_always", name: "Always allow" },
   { optionId: "reject", kind: "reject_once", name: "Reject" },
 ]
 
-/**
- * Asks the client, then replies to the server. Once `cancelled` completes, the client's request is cancelled or never
- * sent, and the server gets `reject`. The server reply is uninterruptible, so a server that is alive but stuck can
- * hold a cancel past `CancelDrainTimeout`; a dead server fails fast.
- */
-export const reply = Effect.fn("cli.acp.permission.reply")(function* (input: Input, cancelled: Effect.Effect<void>) {
-  yield* Effect.uninterruptibleMask((restore) =>
-    // The race starts racers in order and stops once one is done, so an earlier cancel never starts the ask.
-    restore(cancelled.pipe(Effect.as("reject" as const), Effect.raceFirst(ask(input)))).pipe(
-      Effect.tapCauseIf(Cause.hasDies, (cause) => Effect.logWarning("ACP permission ask failed", cause)),
-      Effect.catchCause(() => Effect.succeed("reject" as const)),
-      Effect.flatMap((decision) => respond(input, decision)),
-    ),
-  )
-})
-
-const ask = Effect.fnUntraced(function* (input: Input) {
+export async function replyPermission(input: {
+  readonly client: OpenCodeClient
+  readonly connection: Connection
+  readonly event: PermissionEvent
+  readonly sessionID: string
+  readonly clientSessionID?: string
+  readonly cwd: string
+  readonly tool?: Tool
+  readonly toolCallPrefix?: string
+  readonly titlePrefix?: string
+  readonly signal?: AbortSignal
+}) {
   const toolName = input.tool?.name ?? input.event.data.action
   const toolInput = { ...input.event.data.metadata, ...input.tool?.input }
-  const previews = yield* permissionPreviews(toolName, toolInput, input.cwd)
+  const previews = await permissionPreviews(toolName, toolInput, input.cwd)
   const toolCallID = input.event.data.source?.id ?? input.event.data.id
-  const result = yield* input.connection.requestPermission({
-    sessionId: input.clientSessionID,
+  const title = permissionTitle(toolName, toolInput, previews)
+  const request = {
+    sessionId: input.clientSessionID ?? input.sessionID,
     toolCall: {
       ...pendingToolCall({
         toolCallId: input.toolCallPrefix ? `${input.toolCallPrefix}:${toolCallID}` : toolCallID,
         toolName,
         state: {
           input: toolInput,
-          title: prefixedTitle(input.titlePrefix, permissionTitle(toolName, toolInput, previews)),
+          title: prefixedTitle(input.titlePrefix, title),
         },
         cwd: input.cwd,
       }),
@@ -64,15 +55,18 @@ const ask = Effect.fnUntraced(function* (input: Input) {
       ...(previews.length > 0 ? { content: previews } : {}),
     },
     options,
+  }
+  // An already-cancelled turn skips the round-trip; the SDK would still send the request and then cancel it.
+  const result = input.signal?.aborted
+    ? undefined
+    : await input.connection.requestPermission(request, { cancellationSignal: input.signal }).catch(() => undefined)
+  const selected = result?.outcome.outcome === "selected" ? result.outcome.optionId : undefined
+  const reply = selected === "once" || selected === "always" ? selected : "reject"
+  await input.client.permission.reply({
+    sessionID: input.sessionID,
+    requestID: input.event.data.id,
+    decision: reply,
   })
-  const selected = result.outcome.outcome === "selected" ? result.outcome.optionId : undefined
-  return selected === "once" || selected === "always" ? selected : "reject"
-})
-
-function respond(input: Input, decision: PermissionReplyInput["decision"]) {
-  return ACPPromise.promise(() =>
-    input.client.permission.reply({ sessionID: input.sessionID, requestID: input.event.data.id, decision }),
-  )
 }
 
 function prefixedTitle(prefix: string | undefined, title: string | undefined) {
@@ -81,50 +75,45 @@ function prefixedTitle(prefix: string | undefined, title: string | undefined) {
   return `${prefix}: ${title}`
 }
 
-const permissionPreviews = Effect.fnUntraced(function* (toolName: string, input: ToolInput, cwd: string) {
+async function permissionPreviews(toolName: string, input: ToolInput, cwd: string): Promise<ToolCallContent[]> {
   const tool = toolName.toLocaleLowerCase()
-  if (tool === "patch" || tool === "apply_patch") return yield* patchPreviews(input, cwd)
+  if (tool === "patch" || tool === "apply_patch") return patchPreviews(input, cwd)
   const file = filePath(input)
   if (!file) return []
   const path = absolutePath(file, cwd)
+  const oldText = await readText(path)
   if (tool === "write") {
     const content = stringValue(input.content)
-    if (content === undefined) return []
-    const oldText = yield* readText(path)
-    return [diff(path, oldText, content)]
+    return content === undefined ? [] : [{ type: "diff", path, oldText, newText: content }]
   }
   if (tool !== "edit") return []
   const oldString = stringValue(input.oldString)
   const newString = stringValue(input.newString)
   if (oldString === undefined || newString === undefined) return []
-  const oldText = yield* readText(path)
   const newText =
     input.replaceAll === true ? oldText.replaceAll(oldString, newString) : oldText.replace(oldString, newString)
-  return [diff(path, oldText, newText)]
-})
-
-// Patch.derive throws when a hunk does not match the current file; the patch then gets no previews.
-function patchPreviews(input: ToolInput, cwd: string) {
-  return Effect.forEach(
-    patchHunks(input),
-    (hunk) =>
-      Effect.gen(function* () {
-        const path = absolutePath(hunk.path, cwd)
-        if (hunk.type === "add") {
-          const newText = hunk.contents.endsWith("\n") || hunk.contents === "" ? hunk.contents : `${hunk.contents}\n`
-          return diff(path, "", newText)
-        }
-        const oldText = yield* readText(path)
-        if (hunk.type === "delete") return diff(path, oldText, "")
-        const derived = yield* Effect.try(() => Patch.derive(hunk.path, hunk.chunks, oldText))
-        return diff(hunk.movePath ? absolutePath(hunk.movePath, cwd) : path, oldText, derived.content)
-      }),
-    { concurrency: "unbounded" },
-  ).pipe(Effect.orElseSucceed((): ToolCallContent[] => []))
+  return [{ type: "diff", path, oldText, newText }]
 }
 
-function diff(path: string, oldText: string, newText: string): ToolCallContent {
-  return { type: "diff", path, oldText, newText }
+function patchPreviews(input: ToolInput, cwd: string): Promise<ToolCallContent[]> {
+  // Patch.derive throws when a hunk does not match the current file.
+  return Promise.all(
+    patchHunks(input).map(async (hunk): Promise<ToolCallContent> => {
+      const path = absolutePath(hunk.path, cwd)
+      if (hunk.type === "add") {
+        const newText = hunk.contents.endsWith("\n") || hunk.contents === "" ? hunk.contents : `${hunk.contents}\n`
+        return { type: "diff", path, oldText: "", newText }
+      }
+      const oldText = await readText(path)
+      if (hunk.type === "delete") return { type: "diff", path, oldText, newText: "" }
+      return {
+        type: "diff",
+        path: hunk.movePath ? absolutePath(hunk.movePath, cwd) : path,
+        oldText,
+        newText: Patch.derive(hunk.path, hunk.chunks, oldText).content,
+      }
+    }),
+  ).catch(() => [])
 }
 
 function permissionTitle(toolName: string, input: ToolInput, previews: ReadonlyArray<ToolCallContent>) {
@@ -161,9 +150,10 @@ function permissionLocations(
   return resources.filter((resource) => resource !== "*").map((path) => ({ path: absolutePath(path, cwd) }))
 }
 
-// A missing file previews as empty.
 function readText(path: string) {
-  return Effect.tryPromise(() => Bun.file(path).text()).pipe(Effect.orElseSucceed(() => ""))
+  return Bun.file(path)
+    .text()
+    .catch(() => "")
 }
 
 export * as ACPPermission from "./permission"

packages/cli/src/acp/promise.ts

@@ -1,21 +0,0 @@
-import { RequestError } from "@agentclientprotocol/sdk"
-import { ClientError, isInvalidRequestError, isSessionNotFoundError } from "@opencode/client/promise"
-import { Effect } from "effect"
-import { ACPError } from "./error"
-
-/** Runs a promise, keeping ACP failures typed. Any other rejection is a defect. */
-export const promise = <A>(evaluate: (signal: AbortSignal) => Promise<A>) =>
-  Effect.tryPromise({ try: evaluate, catch: (cause) => cause }).pipe(Effect.catch(classify))
-
-export function classify(cause: unknown): Effect.Effect<never, ACPError.Error | RequestError> {
-  if (cause instanceof RequestError || ACPError.is(cause)) return Effect.fail(cause)
-  if (cause instanceof ClientError && cause.reason === "Transport")
-    return Effect.fail(new ACPError.ServerUnavailableError())
-  if (isSessionNotFoundError(cause))
-    return Effect.fail(new ACPError.SessionNotFoundError({ sessionId: cause.sessionID }))
-  if (isInvalidRequestError(cause))
-    return Effect.fail(new ACPError.InvalidRequestError({ message: cause.message, field: cause.field }))
-  return Effect.die(cause)
-}
-
-export * as ACPPromise from "./promise"

packages/cli/src/acp/service.ts

@@ -1,14 +1,9 @@
-import {
-  isInvalidRequestError,
-  isSessionNotFoundError,
-  type ModelRef,
-  type OpenCodeClient,
-  type SessionMessageInfo,
-} from "@opencode/client/promise"
+import { isSessionNotFoundError, type CommandInfo, type ModelRef, type OpenCodeClient } from "@opencode/client/promise"
 import { FSUtil } from "@opencode/util/fs-util"
-import { Effect, Option, Ref, Result, Stream } from "effect"
+import { Effect, Option, Ref, Stream, type Scope } from "effect"
 import { withTimestampedFallback } from "@opencode/util/session-title-fallback"
 import type {
+  AgentConnection,
   AuthenticateRequest,
   AuthenticateResponse,
   AuthMethod,
@@ -38,22 +33,35 @@ import type {
   SetSessionModeResponse,
 } from "@agentclientprotocol/sdk"
 import { OPENCODE_VERSION } from "../version"
+import { SessionMessage } from "@opencode/schema/session-message"
 import type { ACPCatalog, Catalog } from "./catalog"
-import { configOptions, currentModel, DEFAULT_VARIANT_VALUE, parseModelSelection } from "./config-option"
-import type { ACPConnection } from "./connection"
-import { ACPDirectories } from "./directories"
+import { DEFAULT_VARIANT_VALUE, parseModelSelection } from "./config-option"
+import { ACPConnection } from "./connection"
+import { promptContentToParts } from "./content"
+import {
+  ChildSessionUpdateMethod,
+  ChildSessionUpdatesCapability,
+  replayMessages,
+  streamTurn,
+  type ChildSessionUpdate,
+  type TurnControl,
+  type TurnStart,
+} from "./event"
 import { ACPError } from "./error"
-import { ACPPromise } from "./promise"
-import type { ACPSessions, Attached } from "./sessions"
-import { ACPTranslate } from "./translate"
-import type { ACPTurn } from "./turn"
+import { ACPSessions, builtinCommands, type Attached } from "./sessions"
 
 export const AuthMethodID = "opencode-login"
 
-export type Failure = ACPError.Error | RequestError | ACPCatalog.Error
+type PreparedPrompt = {
+  readonly start: TurnStart
+  readonly text: string
+  readonly files: Array<{ readonly uri: string; readonly name?: string }>
+  readonly synthetic: ReadonlyArray<string>
+  readonly slash?: { readonly name: string; readonly args: string }
+  readonly command?: CommandInfo
+}
 
-/** What the client advertised in `initialize`. */
-export type Capabilities = { readonly childSessionUpdates: boolean; readonly formElicitation: boolean }
+export type Failure = ACPError.Error | RequestError | ACPCatalog.Error
 
 export interface Interface {
   readonly initialize: (input: InitializeRequest) => Effect.Effect<InitializeResponse>
@@ -63,26 +71,32 @@ export interface Interface {
   readonly listSessions: (input: ListSessionsRequest) => Effect.Effect<ListSessionsResponse, Failure>
   readonly deleteSession: (input: DeleteSessionRequest) => Effect.Effect<DeleteSessionResponse, Failure>
   readonly resumeSession: (input: ResumeSessionRequest) => Effect.Effect<ResumeSessionResponse, Failure>
-  readonly closeSession: (input: CloseSessionRequest) => Effect.Effect<CloseSessionResponse, Failure>
   readonly forkSession: (input: ForkSessionRequest) => Effect.Effect<ForkSessionResponse, Failure>
   readonly setSessionConfigOption: (
     input: SetSessionConfigOptionRequest,
   ) => Effect.Effect<SetSessionConfigOptionResponse, Failure>
   readonly setSessionMode: (input: SetSessionModeRequest) => Effect.Effect<SetSessionModeResponse, Failure>
-  readonly prompt: (input: PromptRequest, signal: AbortSignal) => Effect.Effect<PromptResponse, Failure>
-  readonly cancel: (input: CancelNotification) => Effect.Effect<void>
+  closeSession(input: CloseSessionRequest): Promise<CloseSessionResponse>
+  prompt(input: PromptRequest, signal?: AbortSignal): Promise<PromptResponse>
+  cancel(input: CancelNotification): Promise<void>
 }
 
-export function make(input: {
+export const make = Effect.fnUntraced(function* (input: {
   readonly client: OpenCodeClient
-  readonly connection: ACPConnection.Interface
+  readonly connection: AgentConnection
   readonly catalog: ACPCatalog.Interface
-  readonly sessions: ACPSessions.Interface
-  readonly capabilities: Ref.Ref<Capabilities>
-  readonly turn: ACPTurn.Interface
-}): Interface {
-  const currentOptions = Effect.fnUntraced(function* (attached: Attached) {
-    return configOptions(yield* input.catalog.get(attached.cwd), yield* Ref.get(attached.selection))
+  readonly run: <A, E>(effect: Effect.Effect<A, E, Scope.Scope>) => Promise<A>
+}) {
+  const connection = ACPConnection.service(input.connection)
+  // The turn still runs on promises.
+  const turnConnection = ACPConnection.make(input.connection)
+  const sessions = yield* ACPSessions.make({ client: input.client, connection, catalog: input.catalog })
+  const capabilities = yield* Ref.make({ childSessionUpdates: false })
+  const active = new Map<string, { readonly control: TurnControl; readonly turn: Promise<PromptResponse> }>()
+
+  const configOptions = Effect.fnUntraced(function* (attached: Attached) {
+    const catalog = yield* input.catalog.get(attached.cwd)
+    return ACPSessions.configOptions(catalog, yield* Ref.get(attached.selection))
   })
 
   // A selection the catalog has not seen may be new on the server, so reload once before rejecting it.
@@ -94,67 +108,81 @@ export function make(input: {
   }
 
   const selectOption = Effect.fnUntraced(function* (attached: Attached, configId: string, value: string) {
+    if (configId === "mode") return yield* selectMode(attached, value)
+    if (configId !== "model" && configId !== "effort") return yield* new ACPError.InvalidConfigOptionError({ configId })
     const catalog = yield* input.catalog.get(attached.cwd)
-    const current = currentModel(catalog, yield* Ref.get(attached.selection))
-    switch (configId) {
-      case "model":
-        return yield* selectModel(attached, yield* requireModel(catalog, value, current))
-      case "effort":
-        return yield* selectModel(attached, yield* requireEffort(catalog, value, current))
-      case "mode":
-        return yield* selectMode(attached, value)
-      default:
-        return yield* new ACPError.InvalidConfigOptionError({ configId })
-    }
-  })
-
-  // Both selectors update the selection before switching on the server, so the echoed event diffs to no change.
-  const selectModel = Effect.fnUntraced(function* (attached: Attached, model: ModelRef) {
+    const current = ACPSessions.currentModel(catalog, yield* Ref.get(attached.selection))
+    const model =
+      configId === "model"
+        ? yield* requireModel(catalog, value, current)
+        : yield* requireEffort(catalog, value, current)
     yield* Ref.update(attached.selection, (selection) => ({ ...selection, model }))
-    yield* ACPPromise.promise(() => input.client.session.switchModel({ sessionID: attached.id, model }))
+    yield* ACPError.promise(() => input.client.session.switchModel({ sessionID: attached.id, model }))
   })
 
   const selectMode = Effect.fnUntraced(function* (attached: Attached, modeID: string) {
     const catalog = yield* input.catalog.get(attached.cwd)
     if (!catalog.modes.some((mode) => mode.id === modeID)) return yield* new ACPError.InvalidModeError({ mode: modeID })
     yield* Ref.update(attached.selection, (selection) => ({ ...selection, modeID }))
-    yield* ACPPromise.promise(() => input.client.session.switchAgent({ sessionID: attached.id, agent: modeID }))
+    yield* ACPError.promise(() => input.client.session.switchAgent({ sessionID: attached.id, agent: modeID }))
   })
 
   const getSession = Effect.fnUntraced(function* (sessionID: string, cwd: string) {
-    const session = yield* ACPPromise.promise(() => input.client.session.get({ sessionID }))
+    const session = yield* ACPError.promise(() => input.client.session.get({ sessionID }).catch(notFound(sessionID)))
     if (FSUtil.resolve(cwd) !== FSUtil.resolve(session.location.directory))
       return yield* new ACPError.SessionDirectoryMismatchError({ sessionId: sessionID, cwd })
     return session
   })
 
   const replay = (attached: Attached) =>
-    Stream.paginate(undefined, (cursor: string | undefined) =>
-      ACPPromise.promise(() =>
-        cursor
-          ? input.client.message.list({ sessionID: attached.id, limit: 200, cursor })
+    Stream.paginate(Option.none<string>(), (cursor) =>
+      ACPError.promise(() =>
+        Option.isSome(cursor)
+          ? input.client.message.list({ sessionID: attached.id, limit: 200, cursor: cursor.value })
           : input.client.message.list({ sessionID: attached.id, limit: 200, order: "asc" }),
-      ).pipe(Effect.map((page) => [page.data, Option.fromNullishOr(page.cursor.next)] as const)),
-    ).pipe(Stream.runForEach((message) => replayMessage(attached, message)))
+      ).pipe(
+        Effect.map(
+          (page) => [page.data, Option.fromNullishOr(page.cursor.next).pipe(Option.map(Option.some))] as const,
+        ),
+      ),
+    ).pipe(
+      Stream.runCollect,
+      Effect.flatMap((messages) =>
+        ACPError.promise(() => replayMessages(turnConnection, attached.id, attached.cwd, messages)),
+      ),
+    )
 
-  // A message that fails to translate keeps the updates before the failure and does not stop the replay.
-  const replayMessage = Effect.fnUntraced(function* (attached: Attached, message: SessionMessageInfo) {
-    const updates = ACPTranslate.replayMessage(message, attached.cwd)
-    while (true) {
-      const next = yield* Effect.result(Effect.try(() => updates.next()))
-      if (Result.isFailure(next))
-        return yield* Effect.logWarning("ACP replay skipped the rest of a message", message.id, next.failure.cause)
-      if (next.success.done) return
-      yield* input.connection.sessionUpdate({ sessionId: attached.id, update: next.success.value })
-    }
+  const sendUsageUpdate = Effect.fnUntraced(function* (attached: Attached, used: number | undefined) {
+    if (!used) return
+    const catalog = yield* input.catalog.get(attached.cwd)
+    const current = ACPSessions.currentModel(catalog, yield* Ref.get(attached.selection))
+    const model = catalog.models.find((item) => item.providerID === current.providerID && item.id === current.id)
+    if (!model?.limit.context) return
+    const info = yield* ACPError.promise(() => input.client.session.get({ sessionID: attached.id }))
+    yield* connection.sessionUpdate({
+      sessionId: attached.id,
+      update: {
+        sessionUpdate: "usage_update",
+        used,
+        size: model.limit.context,
+        cost: { amount: info.cost, currency: "USD" },
+      },
+    })
   })
 
+  const cancelTurn = (sessionID: string) => {
+    const turn = active.get(sessionID)
+    if (turn) {
+      turn.control.cancelled = true
+      turn.control.admission.abort()
+    }
+    return input.client.session.interrupt({ sessionID })
+  }
+
   return {
     initialize: Effect.fnUntraced(function* (params) {
-      const elicitation = params.clientCapabilities?.elicitation
-      yield* Ref.set(input.capabilities, {
-        childSessionUpdates: params.clientCapabilities?._meta?.[ACPTranslate.ChildSessionUpdatesCapability] === true,
-        formElicitation: elicitation?.form !== undefined && elicitation.form !== null,
+      yield* Ref.set(capabilities, {
+        childSessionUpdates: params.clientCapabilities?._meta?.[ChildSessionUpdatesCapability] === true,
       })
       const authMethod: AuthMethod = {
         description: "Run `opencode auth login` in the terminal",
@@ -172,8 +200,8 @@ export function make(input: {
           loadSession: true,
           mcpCapabilities: { http: true, sse: false },
           promptCapabilities: { embeddedContext: true, image: true },
-          sessionCapabilities: { additionalDirectories: {}, close: {}, delete: {}, fork: {}, list: {}, resume: {} },
-          _meta: { [ACPTranslate.ChildSessionUpdatesCapability]: true },
+          sessionCapabilities: { close: {}, delete: {}, fork: {}, list: {}, resume: {} },
+          _meta: { [ChildSessionUpdatesCapability]: true },
         },
         authMethods: [authMethod],
         agentInfo: { name: "OpenCode", version: OPENCODE_VERSION },
@@ -185,32 +213,23 @@ export function make(input: {
       return {}
     }),
     newSession: Effect.fnUntraced(function* (params) {
-      const directories = yield* ACPDirectories.parse(params.cwd, params.additionalDirectories)
       // Load before creating so a catalog failure leaves no session behind. Agent and model stay unset
       // so the server resolves its defaults after plugins activate.
       yield* input.catalog.get(params.cwd)
-      const created = yield* ACPPromise.promise(() =>
-        input.client.session.create({
-          location: { directory: params.cwd },
-          ...ACPDirectories.grant(directories),
-        }),
+      const created = yield* ACPError.promise(() =>
+        input.client.session.create({ location: { directory: params.cwd } }),
       )
-      const attached = yield* input.sessions.attach(created, params.cwd, params.mcpServers)
-      return { sessionId: attached.id, configOptions: yield* currentOptions(attached) }
+      const attached = yield* sessions.attach(created, params.cwd, params.mcpServers)
+      return { sessionId: attached.id, configOptions: yield* configOptions(attached) }
     }),
     loadSession: Effect.fnUntraced(function* (params) {
-      const directories = yield* ACPDirectories.parse(params.cwd, params.additionalDirectories)
       const session = yield* getSession(params.sessionId, params.cwd)
-      yield* ACPDirectories.activate(input.client, session, directories)
-      const attached = yield* input.sessions.attach(session, session.location.directory, params.mcpServers)
-      return yield* replay(attached).pipe(
-        Effect.andThen(currentOptions(attached)),
-        Effect.map((configOptions) => ({ configOptions })),
-        Effect.onError(() => input.sessions.detach(attached.id)),
-      )
+      const attached = yield* sessions.attach(session, session.location.directory, params.mcpServers)
+      yield* replay(attached)
+      return { configOptions: yield* configOptions(attached) }
     }),
     listSessions: Effect.fnUntraced(function* (params) {
-      const page = yield* ACPPromise.promise(() =>
+      const page = yield* ACPError.promise(() =>
         input.client.session.list({
           ...(params.cwd ? { directory: params.cwd } : {}),
           order: "desc",
@@ -219,70 +238,169 @@ export function make(input: {
         }),
       )
       return {
-        sessions: page.data.map((session) => {
-          const additionalDirectories = ACPDirectories.list(session)
-          return {
-            sessionId: session.id,
-            cwd: session.location.directory,
-            ...(additionalDirectories.length > 0 ? { additionalDirectories } : {}),
-            title: withTimestampedFallback(session),
-            updatedAt: new Date(session.time.updated).toISOString(),
-          }
-        }),
+        sessions: page.data.map((session) => ({
+          sessionId: session.id,
+          cwd: session.location.directory,
+          title: withTimestampedFallback(session),
+          updatedAt: new Date(session.time.updated).toISOString(),
+        })),
         ...(page.cursor.next ? { nextCursor: page.cursor.next } : {}),
       }
     }),
     deleteSession: Effect.fnUntraced(function* (params) {
-      // A malformed ID fails the server's path decode, and the session ID is the only path param.
-      yield* ACPPromise.promise(() =>
-        input.client.session.remove({ sessionID: params.sessionId }).catch((error) => {
-          if (isSessionNotFoundError(error) || (isInvalidRequestError(error) && error.kind === "Params")) return
-          throw error
-        }),
-      )
-      yield* input.sessions.detach(params.sessionId)
+      yield* ACPError.promise(() =>
+        input.client.session.remove({ sessionID: params.sessionId }).catch(notFound(params.sessionId)),
+      ).pipe(Effect.catchTag("ACPSessionNotFoundError", () => Effect.void))
+      yield* sessions.detach(params.sessionId)
       return {}
     }),
     resumeSession: Effect.fnUntraced(function* (params) {
-      const directories = yield* ACPDirectories.parse(params.cwd, params.additionalDirectories)
       const session = yield* getSession(params.sessionId, params.cwd)
-      yield* ACPDirectories.activate(input.client, session, directories)
-      const attached = yield* input.sessions.attach(session, session.location.directory, params.mcpServers ?? [])
-      return { configOptions: yield* currentOptions(attached) }
-    }),
-    closeSession: Effect.fnUntraced(function* (params) {
-      yield* input.turn.close(params.sessionId)
-      yield* input.sessions.detach(params.sessionId)
-      return {}
+      const attached = yield* sessions.attach(session, session.location.directory, params.mcpServers ?? [])
+      return { configOptions: yield* configOptions(attached) }
     }),
     forkSession: Effect.fnUntraced(function* (params) {
-      const directories = yield* ACPDirectories.parse(params.cwd, params.additionalDirectories)
-      const forked = yield* ACPPromise.promise(() => input.client.session.fork({ sessionID: params.sessionId }))
-      // Forks copy the source session's rules, so the request list replaces any inherited grants.
-      yield* ACPDirectories.activate(input.client, forked, directories)
-      const attached = yield* input.sessions.attach(forked, forked.location.directory, params.mcpServers ?? [])
-      return yield* currentOptions(attached).pipe(
-        Effect.map((configOptions) => ({ sessionId: attached.id, configOptions })),
-        Effect.onError(() => input.sessions.detach(attached.id)),
-      )
+      const forked = yield* ACPError.promise(() => input.client.session.fork({ sessionID: params.sessionId }))
+      const attached = yield* sessions.attach(forked, forked.location.directory, params.mcpServers ?? [])
+      yield* replay(attached)
+      return { sessionId: attached.id, configOptions: yield* configOptions(attached) }
     }),
     setSessionConfigOption: Effect.fnUntraced(function* (params) {
-      const attached = yield* input.sessions.require(params.sessionId)
+      const attached = yield* sessions.require(params.sessionId)
       const value = params.value
       if (typeof value !== "string") return yield* new ACPError.InvalidConfigOptionError({ configId: params.configId })
       yield* withReload(attached, selectOption(attached, params.configId, value))
-      return { configOptions: yield* currentOptions(attached) }
+      return { configOptions: yield* configOptions(attached) }
     }),
     setSessionMode: Effect.fnUntraced(function* (params) {
-      const attached = yield* input.sessions.require(params.sessionId)
+      const attached = yield* sessions.require(params.sessionId)
       yield* withReload(attached, selectMode(attached, params.modeId))
       return {}
     }),
-    prompt: input.turn.prompt,
-    cancel: input.turn.cancel,
+    closeSession: async (params) => {
+      const turn = active.get(params.sessionId)
+      await cancelTurn(params.sessionId).catch((error) => {
+        if (!isSessionNotFoundError(error)) throw error
+      })
+      await turn?.turn.catch(() => {})
+      await input.run(sessions.detach(params.sessionId))
+      return {}
+    },
+    prompt: async (params, signal) => {
+      // Read everything first so the active check and registration below stay synchronous.
+      const resolved = await input.run(
+        Effect.gen(function* () {
+          const attached = yield* sessions.require(params.sessionId)
+          return {
+            attached,
+            catalog: yield* input.catalog.get(attached.cwd),
+            childSessionUpdates: (yield* Ref.get(capabilities)).childSessionUpdates,
+          }
+        }),
+      )
+      const state = resolved.attached
+      if (active.has(state.id)) {
+        throw new ACPError.ServiceFailureError({
+          safeMessage: `Session already has an active ACP prompt: ${state.id}`,
+          service: "session",
+        })
+      }
+      const messageID = SessionMessage.ID.create()
+      const prepared = preparePrompt(resolved.catalog, params.prompt, messageID)
+      const control: TurnControl = { cancelled: false, admission: new AbortController() }
+      const extNotification = turnConnection.extNotification
+      const childSessionUpdate =
+        resolved.childSessionUpdates && extNotification
+          ? (update: ChildSessionUpdate) => extNotification(ChildSessionUpdateMethod, update).then(() => {})
+          : undefined
+      // A `$/cancel_request` for this prompt behaves like `session/cancel` for its turn.
+      const cancel = () => void cancelTurn(state.id).catch(() => {})
+      const turn = streamTurn({
+        client: input.client,
+        connection: turnConnection,
+        sessionID: state.id,
+        cwd: state.cwd,
+        start: prepared.start,
+        action: prepared.command !== undefined,
+        control,
+        connectionSignal: turnConnection.signal,
+        sessionSignal: state.signal,
+        submit: (signal) => submitPrompt(input.client, state, prepared, signal),
+        ...(childSessionUpdate ? { childSessionUpdate } : {}),
+      })
+        .then(async (result) => {
+          await input.run(sendUsageUpdate(state, result.contextTokens)).catch(() => {})
+          return result.response
+        })
+        .finally(() => {
+          signal?.removeEventListener("abort", cancel)
+          if (active.get(state.id)?.control === control) active.delete(state.id)
+        })
+      active.set(state.id, { control, turn })
+      signal?.addEventListener("abort", cancel, { once: true })
+      // The cancel may already be buffered behind the awaits above.
+      if (signal?.aborted) cancel()
+      return turn
+    },
+    cancel: async (params) => {
+      await cancelTurn(params.sessionId).catch(() => {})
+    },
+  } satisfies Interface
+})
+
+function notFound(sessionID: string) {
+  return (error: unknown): never => {
+    throw isSessionNotFoundError(error) ? new ACPError.SessionNotFoundError({ sessionId: sessionID }) : error
   }
 }
 
+function preparePrompt(catalog: Catalog, prompt: PromptRequest["prompt"], messageID: string): PreparedPrompt {
+  const parts = promptContentToParts(prompt)
+  const visible = parts.filter((part) => part.type !== "text" || (!part.synthetic && !part.ignored))
+  const synthetic = parts.flatMap((part) => (part.type === "text" && part.synthetic ? [part.text] : []))
+  const text = visible.flatMap((part) => (part.type === "text" ? [part.text] : [])).join("\n")
+  const files = visible.flatMap((part) => (part.type === "file" ? [{ uri: part.url, name: part.filename }] : []))
+  const slash = detectSlashCommand(text)
+  const command =
+    slash && !builtinCommands.has(slash.name) ? catalog.commands.find((item) => item.name === slash.name) : undefined
+  const start = turnStart(messageID, slash)
+  return { start, text, files, synthetic, slash, command }
+}
+
+async function submitPrompt(client: OpenCodeClient, session: Attached, prompt: PreparedPrompt, signal: AbortSignal) {
+  if (prompt.synthetic.length > 0) {
+    await client.session.synthetic({
+      sessionID: session.id,
+      text: prompt.synthetic.join("\n\n"),
+      description: "ACP embedded context",
+      delivery: "steer",
+      resume: false,
+    })
+  }
+  if (prompt.start.type === "compaction") return client.session.compact({ sessionID: session.id, id: prompt.start.id })
+  if (prompt.command) {
+    return client.session.command(
+      {
+        sessionID: session.id,
+        name: prompt.command.name,
+        text: prompt.slash?.args ?? "",
+        files: prompt.files,
+        delivery: "steer",
+      },
+      { signal },
+    )
+  }
+  return client.session.prompt(
+    { sessionID: session.id, id: prompt.start.id, text: prompt.text, files: prompt.files, delivery: "steer" },
+    { signal },
+  )
+}
+
+function turnStart(messageID: string, slash: PreparedPrompt["slash"]): TurnStart {
+  if (slash && builtinCommands.get(slash.name)?.start === "compaction") return { type: "compaction", id: messageID }
+  return { type: "input", id: messageID }
+}
+
 const requireModel = Effect.fnUntraced(function* (catalog: Catalog, modelID: string, current: ModelRef) {
   const selected = parseModelSelection(modelID, catalog.providers)
   const model = catalog.models.find(
@@ -308,4 +426,12 @@ const requireEffort = Effect.fnUntraced(function* (catalog: Catalog, effort: str
   return { ...current, variant: effort } satisfies ModelRef
 })
 
+function detectSlashCommand(text: string): { readonly name: string; readonly args: string } | undefined {
+  const value = text.trim()
+  if (!value.startsWith("/")) return undefined
+  const [name, ...rest] = value.slice(1).split(/\s+/)
+  if (!name) return undefined
+  return { name, args: rest.join(" ").trim() }
+}
+
 export * as ACPService from "./service"

packages/cli/src/acp/sessions.ts

@@ -1,24 +1,35 @@
 import { isDeepStrictEqual } from "node:util"
 import type { McpServer, RequestError } from "@agentclientprotocol/sdk"
-import type { OpenCodeClient, OpenCodeEvent, SessionInfo } from "@opencode/client/promise"
-import { Context, Deferred, Effect, Exit, Queue, Ref, Scope, Stream } from "effect"
+import type { ModelRef, OpenCodeClient, SessionInfo } from "@opencode/client/promise"
+import { Cause, Context, Effect, Exit, Ref, Scope, Stream } from "effect"
 import type { ACPCatalog, Catalog } from "./catalog"
-import { availableCommands, configOptions, type Selection } from "./config-option"
-import { ACPConnection } from "./connection"
+import { buildConfigOptions } from "./config-option"
+import type { ACPConnection } from "./connection"
 import { ACPError } from "./error"
-import { ACPPromise } from "./promise"
+
+// ACP runs these itself; they take precedence over server commands with the same name.
+export const builtinCommands = new Map([
+  ["compact", { description: "Compact the session", start: "compaction" as const }],
+])
+
+/** Unset fields follow the server defaults. */
+export type Selection = {
+  readonly model?: ModelRef
+  readonly modeID?: string
+}
 
 export type Attached = {
   readonly id: string
   readonly cwd: string
   readonly selection: Ref.Ref<Selection>
+  /** Aborted when the session detaches, for the promise-based turn. */
+  readonly signal: AbortSignal
 }
 
 export interface Interface {
   /**
-   * Attaches a session in its own scope, closing any previous attachment of the same ID. Once the attaching request
-   * has responded, the scope follows the cwd's catalog and pushes config option and command updates while it is
-   * open. A failed attach leaves the session detached.
+   * Attaches a session in its own scope, closing any previous attachment of the same ID. The scope follows the
+   * cwd's catalog and pushes config option and command updates while it is open.
    */
   readonly attach: (
     session: SessionInfo,
@@ -28,61 +39,37 @@ export interface Interface {
   /** Closes the session scope. No-op when the session is not attached. */
   readonly detach: (sessionID: string) => Effect.Effect<void>
   readonly require: (sessionID: string) => Effect.Effect<Attached, ACPError.SessionNotFoundError>
-  /** Forks work into this attachment's scope, so it ends on detach or re-attach. Fails once the attachment is gone. */
-  readonly fork: (attached: Attached, effect: Effect.Effect<void>) => Effect.Effect<void, ACPError.SessionNotFoundError>
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/cli/acp/Sessions") {}
 
-type Entry = {
-  readonly attached: Attached
-  readonly scope: Scope.Closeable
-  /** Selection changes from other clients, applied by the session's fold. */
-  readonly selected: Queue.Queue<Selection>
-}
-
-type SelectedEvent = Extract<OpenCodeEvent, { type: "session.model.selected" | "session.agent.selected" }>
-
 export const make = Effect.fnUntraced(function* (input: {
   readonly client: OpenCodeClient
   readonly connection: ACPConnection.Interface
   readonly catalog: ACPCatalog.Interface
 }) {
   const scope = yield* Effect.scope
-  const sessions = new Map<string, Entry>()
+  const sessions = new Map<string, { readonly attached: Attached; readonly scope: Scope.Closeable }>()
   // Kept across re-attachment so resuming with the same servers does not add them again.
   const registeredMcp = new Map<string, Set<string>>()
-  const connected = yield* Deferred.make<void>()
-
-  // Subscribe before any attach so a switch right after `sessions.set` reaches the session.
-  yield* Stream.fromAsyncIterable(input.client.event.subscribe(), (cause) => cause).pipe(
-    Stream.tap((event) => (event.type === "server.connected" ? Deferred.succeed(connected, undefined) : Effect.void)),
-    Stream.filter(
-      (event): event is SelectedEvent =>
-        event.type === "session.model.selected" || event.type === "session.agent.selected",
-    ),
-    Stream.runForEach((event) => {
-      const entry = sessions.get(event.data.sessionID)
-      if (!entry) return Effect.void
-      return Queue.offer(
-        entry.selected,
-        event.type === "session.model.selected" ? { model: event.data.model } : { modeID: event.data.agent },
-      )
-    }),
-    Effect.ignore,
-    Effect.ensuring(Deferred.succeed(connected, undefined)),
-    Effect.forkScoped,
-  )
 
   const sendCommands = (sessionID: string, catalog: Catalog) =>
     input.connection.sessionUpdate({
       sessionId: sessionID,
-      update: { sessionUpdate: "available_commands_update", availableCommands: availableCommands(catalog) },
+      update: {
+        sessionUpdate: "available_commands_update",
+        availableCommands: [
+          ...catalog.commands
+            .filter((command) => !builtinCommands.has(command.name))
+            .map((command) => ({ name: command.name, description: command.description ?? "" })),
+          ...Array.from(builtinCommands, ([name, command]) => ({ name, description: command.description })),
+        ],
+      },
     })
 
-  const changed = Effect.fnUntraced(function* (attached: Attached, previous: Catalog, next: Catalog, patch: Selection) {
-    const selection = yield* Ref.getAndUpdate(attached.selection, (current) => ({ ...current, ...patch }))
-    const options = configOptions(next, { ...selection, ...patch })
+  const changed = Effect.fnUntraced(function* (attached: Attached, previous: Catalog, next: Catalog) {
+    const selection = yield* Ref.get(attached.selection)
+    const options = configOptions(next, selection)
     if (!isDeepStrictEqual(options, configOptions(previous, selection))) {
       yield* input.connection.sessionUpdate({
         sessionId: attached.id,
@@ -104,83 +91,82 @@ export const make = Effect.fnUntraced(function* (input: {
             const key = `${server.name}:${stableStringify(config)}`
             if (registered.has(key)) return Effect.void
             registered.add(key)
-            return ACPPromise.promise(() =>
+            return ACPError.promise(() =>
               input.client.mcp.add({ server: server.name, location: { directory: attached.cwd }, config }),
             ).pipe(
-              Effect.onError(() => Effect.sync(() => registered.delete(key))),
-              Effect.uninterruptible,
+              // An interrupted add still completes on the server, so only a failed one is forgotten.
+              Effect.tapCause((cause) =>
+                Cause.hasInterruptsOnly(cause) ? Effect.void : Effect.sync(() => registered.delete(key)),
+              ),
             )
           }),
         { concurrency: "unbounded", discard: true },
       )
     })
 
-  const remove = (sessionID: string, entry: Entry) =>
-    Effect.suspend(() => {
-      if (sessions.get(sessionID) === entry) {
-        sessions.delete(sessionID)
-        registeredMcp.delete(sessionID)
-      }
-      return Scope.close(entry.scope, Exit.void)
-    })
-
   return Service.of({
     attach: Effect.fn("cli.acp.sessions.attach")(function* (session, cwd, mcpServers) {
-      yield* Deferred.await(connected)
       const current = yield* input.catalog.get(cwd)
-      const entry: Entry = {
-        attached: {
-          id: session.id,
-          cwd,
-          selection: yield* Ref.make<Selection>({ model: session.model, modeID: session.agent }),
-        },
-        scope: Scope.forkUnsafe(scope),
-        selected: yield* Queue.unbounded<Selection>(),
+      const abort = new AbortController()
+      const attached: Attached = {
+        id: session.id,
+        cwd,
+        selection: yield* Ref.make<Selection>({ model: session.model, modeID: session.agent }),
+        signal: abort.signal,
       }
       // Swap synchronously so concurrent attaches of one ID cannot both keep a scope.
+      const sessionScope = Scope.forkUnsafe(scope)
       const replaced = sessions.get(session.id)
-      sessions.set(session.id, entry)
+      sessions.set(session.id, { attached, scope: sessionScope })
       if (replaced) yield* Scope.close(replaced.scope, Exit.void)
-      yield* registerMcp(entry.attached, mcpServers).pipe(Effect.onError(() => remove(session.id, entry)))
-      const responded = yield* ACPConnection.Responded
-      // Updates wait for the response that hands the client this session. `changes` emits the latest catalog
-      // first, so a reload since `current` is still pushed. One fold applies catalog and selection changes so
-      // pushes leave the client on the latest pair.
-      yield* Effect.gen(function* () {
-        yield* responded
-        yield* sendCommands(session.id, current)
-        yield* Stream.merge(
-          input.catalog.changes(cwd).pipe(Stream.map((catalog) => ({ catalog, patch: {} }))),
-          Stream.fromQueue(entry.selected).pipe(Stream.map((patch) => ({ catalog: undefined, patch }))),
-        ).pipe(
-          Stream.runFoldEffect(
-            () => current,
-            (previous, step) => {
-              const next = step.catalog ?? previous
-              return changed(entry.attached, previous, next, step.patch).pipe(Effect.ignore, Effect.as(next))
-            },
-          ),
-        )
-      }).pipe(Effect.ignore, Effect.forkIn(entry.scope))
-      return entry.attached
+      yield* Scope.addFinalizer(
+        sessionScope,
+        Effect.sync(() => abort.abort()),
+      )
+      yield* input.catalog.changes(cwd).pipe(
+        Stream.runFoldEffect(
+          () => current,
+          (previous, next) =>
+            next === previous
+              ? Effect.succeed(previous)
+              : changed(attached, previous, next).pipe(Effect.ignore, Effect.as(next)),
+        ),
+        Effect.ignore,
+        Effect.forkIn(sessionScope),
+      )
+      yield* registerMcp(attached, mcpServers)
+      yield* sendCommands(attached.id, yield* input.catalog.get(cwd))
+      return attached
     }),
     detach: Effect.fn("cli.acp.sessions.detach")(function* (sessionID) {
       const entry = sessions.get(sessionID)
-      if (entry) yield* remove(sessionID, entry)
+      sessions.delete(sessionID)
+      registeredMcp.delete(sessionID)
+      if (entry) yield* Scope.close(entry.scope, Exit.void)
     }),
     require: Effect.fn("cli.acp.sessions.require")(function* (sessionID) {
       const entry = sessions.get(sessionID)
       if (!entry) return yield* new ACPError.SessionNotFoundError({ sessionId: sessionID })
       return entry.attached
     }),
-    fork: Effect.fn("cli.acp.sessions.fork")(function* (attached, effect) {
-      const entry = sessions.get(attached.id)
-      if (entry?.attached !== attached) return yield* new ACPError.SessionNotFoundError({ sessionId: attached.id })
-      yield* Effect.forkIn(effect, entry.scope, { startImmediately: true })
-    }),
   })
 })
 
+export function currentModel(catalog: Catalog, selection: Selection) {
+  return selection.model ?? catalog.defaultModel
+}
+
+export function configOptions(catalog: Catalog, selection: Selection) {
+  const model = currentModel(catalog, selection)
+  return buildConfigOptions({
+    providers: catalog.providers,
+    currentModel: { providerID: model.providerID, modelID: model.id },
+    currentVariant: model.variant,
+    modes: catalog.modes,
+    currentModeId: selection.modeID ?? catalog.defaultModeID,
+  })
+}
+
 function mcpConfig(server: McpServer) {
   if ("type" in server) {
     if (server.type === "acp") throw new Error("MCP-over-ACP is not supported")

packages/cli/src/acp/translate.ts

@@ -1,633 +0,0 @@
-import type { PromptResponse, SessionUpdate } from "@agentclientprotocol/sdk"
-import type {
-  EventSubscribeOutput,
-  SessionMessageAssistant,
-  SessionMessageInfo,
-  SessionStructuredError,
-  TokenUsageInfo,
-} from "@opencode/client/promise"
-import { Event } from "@opencode/schema/event"
-import { SessionMessage } from "@opencode/schema/session-message"
-import { TokenUsage } from "@opencode/schema/token-usage"
-import { partsToContentChunks, type ReplayPart } from "./content"
-import { ACPError } from "./error"
-import { completedToolUpdate, errorToolUpdate, pendingToolCall, runningToolUpdate, type ToolInput } from "./tool"
-
-export const ChildSessionUpdatesCapability = "opencode/child-session-updates"
-export const ChildSessionUpdateMethod = "opencode/session/child_update"
-const RetryMeta = "opencode/retry"
-const CompactionMeta = "opencode/compaction"
-
-export type TurnStart = { readonly type: "input" | "compaction"; readonly id: string }
-
-export type Terminal = "succeeded" | "failed" | "interrupted"
-
-export type Context = {
-  readonly sessionID: string
-  readonly cwd: string
-  readonly start: TurnStart
-  readonly childUpdates: boolean
-  /** A background consumer follows open children after the parent turn ends; it never writes `session/update`. */
-  readonly mode: "turn" | "background"
-}
-
-type Tool = {
-  readonly sessionID: string
-  readonly id: string
-  readonly name: string
-  readonly input: ToolInput
-  readonly metadata: Record<string, unknown>
-}
-
-type RetryStatus = {
-  readonly attempt: number
-  readonly nextRetryAt: string
-  readonly error: SessionStructuredError
-}
-
-export type ChildSession = {
-  readonly id: string
-  readonly parentID: string
-  readonly depth: number
-  readonly title?: string
-}
-
-type ChildSessionEvent =
-  | { readonly type: "update"; readonly update: SessionUpdate }
-  | {
-      readonly type: "status"
-      readonly status: "created" | "running" | "completed" | "failed" | "interrupted"
-      readonly error?: { readonly type: string; readonly message: string }
-    }
-
-export type ChildSessionUpdate = {
-  readonly rootSessionId: string
-  readonly childSessionId: string
-  readonly parentSessionId: string
-  readonly depth: number
-  readonly title?: string
-} & ChildSessionEvent
-
-export type TurnState = {
-  readonly started: boolean
-  readonly tools: ReadonlyMap<string, Tool>
-  readonly retries: ReadonlyMap<string, RetryStatus>
-  readonly compactions: ReadonlyMap<string, string>
-  readonly children: ReadonlyMap<string, ChildSession>
-  readonly openChildren: ReadonlySet<string>
-  /** Forms asked of the client that the server has not yet answered or cancelled. */
-  readonly forms: ReadonlySet<string>
-  readonly finish?: SessionMessageAssistant["finish"]
-  readonly usage?: { readonly turn: TokenUsageInfo; readonly last: TokenUsageInfo }
-  readonly stepError?: SessionStructuredError
-  readonly executionError?: { readonly type: string; readonly message: string }
-}
-
-type PermissionEvent = Extract<EventSubscribeOutput, { type: "permission.asked" }>
-type FormEvent = Extract<EventSubscribeOutput, { type: "form.created" }>
-
-export type Output =
-  | { readonly _tag: "SessionUpdate"; readonly update: SessionUpdate }
-  | { readonly _tag: "ChildUpdate"; readonly update: ChildSessionUpdate }
-  | {
-      readonly _tag: "PermissionAsk"
-      readonly event: PermissionEvent
-      readonly tool?: Tool
-      readonly child?: ChildSession
-    }
-  | {
-      readonly _tag: "FormAsk"
-      readonly form: FormEvent["data"]["form"]
-      readonly child?: ChildSession
-      /** Whether the form's session sends its tool calls to the client as `session/update` tool calls. */
-      readonly toolCallSent: boolean
-    }
-  | { readonly _tag: "FormSettled"; readonly formID: string }
-
-export type Step = {
-  readonly state: TurnState
-  readonly outputs: ReadonlyArray<Output>
-  readonly terminal?: Terminal
-}
-
-type CompactionEvent = Extract<
-  EventSubscribeOutput,
-  { readonly type: "session.compaction.started" | "session.compaction.ended" | "session.compaction.failed" }
->
-
-type CompactionMarker = {
-  readonly status: "started" | "completed" | "failed"
-  readonly messageId: string
-  readonly reason: "auto" | "manual"
-  readonly error?: SessionStructuredError
-}
-
-export const initial: TurnState = {
-  started: false,
-  tools: new Map(),
-  retries: new Map(),
-  compactions: new Map(),
-  children: new Map(),
-  openChildren: new Set(),
-  forms: new Set(),
-}
-
-export function step(state: TurnState, event: EventSubscribeOutput, ctx: Context): Step {
-  if (event.type === "session.created") {
-    const parentID = event.data.parentID
-    if (!parentID) return { state, outputs: [] }
-    const parent = parentID === ctx.sessionID ? undefined : state.children.get(parentID)
-    if (!parent && (ctx.mode === "background" || parentID !== ctx.sessionID)) return { state, outputs: [] }
-    const child = { id: event.data.sessionID, parentID, depth: parent ? parent.depth + 1 : 1, title: event.data.title }
-    return {
-      state: {
-        ...state,
-        children: new Map(state.children).set(child.id, child),
-        openChildren: new Set(state.openChildren).add(child.id),
-      },
-      outputs: childStatus(ctx, child, { type: "status", status: "created" }),
-    }
-  }
-
-  const eventSessionID = sessionIDFromEvent(event)
-  const child = eventSessionID ? state.children.get(eventSessionID) : undefined
-  if (ctx.mode === "background" && !child) return { state, outputs: [] }
-  const send = (update: SessionUpdate) => route(ctx, child, update)
-
-  if (event.type === "permission.asked" && (event.data.sessionID === ctx.sessionID || child)) {
-    const tool = event.data.source?.id
-      ? state.tools.get(toolKey(event.data.sessionID, event.data.source.id))
-      : undefined
-    return { state, outputs: [{ _tag: "PermissionAsk", event, tool, child }] }
-  }
-  if (event.type === "form.created" && (event.data.form.sessionID === ctx.sessionID || child)) {
-    return {
-      state: { ...state, forms: new Set(state.forms).add(event.data.form.id) },
-      outputs: [
-        {
-          _tag: "FormAsk",
-          form: event.data.form,
-          child,
-          toolCallSent: ctx.mode === "turn" && (!child || !ctx.childUpdates),
-        },
-      ],
-    }
-  }
-  if ((event.type === "form.replied" || event.type === "form.cancelled") && state.forms.has(event.data.id)) {
-    const forms = new Set(state.forms)
-    forms.delete(event.data.id)
-    return { state: { ...state, forms }, outputs: [{ _tag: "FormSettled", formID: event.data.id }] }
-  }
-  if (!eventSessionID || (eventSessionID !== ctx.sessionID && !child)) return { state, outputs: [] }
-  if (matchesStart(event, ctx.start)) return { state: { ...state, started: true }, outputs: [] }
-  if (!state.started) return { state, outputs: [] }
-
-  switch (event.type) {
-    case "session.execution.started":
-      return { state, outputs: child ? childStatus(ctx, child, { type: "status", status: "running" }) : [] }
-    case "session.step.started": {
-      const next = child ? state : { ...state, stepError: undefined }
-      if (!state.retries.has(eventSessionID)) return { state: next, outputs: [] }
-      return {
-        state: { ...next, retries: without(state.retries, eventSessionID) },
-        outputs: send({ sessionUpdate: "session_info_update", _meta: { [RetryMeta]: null } }),
-      }
-    }
-    case "session.retry.scheduled": {
-      const retry = {
-        attempt: event.data.attempt,
-        nextRetryAt: new Date(event.data.at).toISOString(),
-        error: event.data.error,
-      }
-      return {
-        state: { ...state, retries: new Map(state.retries).set(eventSessionID, retry) },
-        outputs: send({ sessionUpdate: "session_info_update", _meta: { [RetryMeta]: retry } }),
-      }
-    }
-    case "session.compaction.started":
-    case "session.compaction.ended":
-    case "session.compaction.failed": {
-      const compacted = compactionMarker(event, state.compactions)
-      return {
-        state: { ...state, compactions: compacted.compactions },
-        outputs: compacted.marker ? send(compactionUpdate(compacted.marker)) : [],
-      }
-    }
-    case "session.text.delta":
-      return {
-        state,
-        outputs: send({
-          sessionUpdate: "agent_message_chunk",
-          messageId: event.data.assistantMessageID,
-          content: { type: "text", text: event.data.delta },
-        }),
-      }
-    case "session.reasoning.delta":
-      return {
-        state,
-        outputs: send({
-          sessionUpdate: "agent_thought_chunk",
-          messageId: `${event.data.assistantMessageID}:reasoning:${event.data.ordinal}`,
-          content: { type: "text", text: event.data.delta },
-        }),
-      }
-    case "session.tool.input.started":
-      return {
-        state: {
-          ...state,
-          tools: new Map(state.tools).set(
-            toolKey(event.data.sessionID, event.data.id),
-            newTool(event.data.sessionID, event.data.id, event.data.name),
-          ),
-        },
-        outputs: send({
-          sessionUpdate: "tool_call",
-          ...pendingToolCall({
-            toolCallId: event.data.id,
-            toolName: event.data.name,
-            state: { input: {} },
-            cwd: ctx.cwd,
-          }),
-        }),
-      }
-    case "session.tool.called": {
-      const key = toolKey(event.data.sessionID, event.data.id)
-      const tool = {
-        ...(state.tools.get(key) ?? newTool(event.data.sessionID, event.data.id)),
-        input: event.data.input,
-      }
-      return {
-        state: { ...state, tools: new Map(state.tools).set(key, tool) },
-        outputs: send({
-          sessionUpdate: "tool_call_update",
-          ...runningToolUpdate({
-            toolCallId: event.data.id,
-            toolName: tool.name,
-            state: { input: tool.input },
-            cwd: ctx.cwd,
-          }),
-        }),
-      }
-    }
-    case "session.tool.progress": {
-      const key = toolKey(event.data.sessionID, event.data.id)
-      const current = state.tools.get(key)
-      if (!current) return { state, outputs: [] }
-      return {
-        state: { ...state, tools: new Map(state.tools).set(key, { ...current, metadata: event.data.metadata }) },
-        outputs: send({
-          sessionUpdate: "tool_call_update",
-          ...runningToolUpdate({
-            toolCallId: event.data.id,
-            toolName: current.name,
-            state: { input: current.input },
-            cwd: ctx.cwd,
-          }),
-        }),
-      }
-    }
-    case "session.tool.success": {
-      const key = toolKey(event.data.sessionID, event.data.id)
-      const tool = state.tools.get(key) ?? newTool(event.data.sessionID, event.data.id)
-      return {
-        state: { ...state, tools: without(state.tools, key) },
-        outputs: send({
-          sessionUpdate: "tool_call_update",
-          ...completedToolUpdate({
-            toolCallId: event.data.id,
-            toolName: tool.name,
-            input: tool.input,
-            metadata: event.data.metadata,
-            content: event.data.content,
-            cwd: ctx.cwd,
-          }),
-        }),
-      }
-    }
-    case "session.tool.failed": {
-      const key = toolKey(event.data.sessionID, event.data.id)
-      const tool = state.tools.get(key) ?? newTool(event.data.sessionID, event.data.id)
-      return {
-        state: { ...state, tools: without(state.tools, key) },
-        outputs: send({
-          sessionUpdate: "tool_call_update",
-          ...errorToolUpdate({
-            toolCallId: event.data.id,
-            toolName: tool.name,
-            input: tool.input,
-            metadata: event.data.metadata ?? tool.metadata,
-            content: event.data.content ?? [],
-            error: event.data.error.message,
-            cwd: ctx.cwd,
-          }),
-        }),
-      }
-    }
-    case "session.step.ended":
-      if (child) return { state, outputs: [] }
-      return { state: { ...recordStep(state, event.data.tokens), finish: event.data.finish }, outputs: [] }
-    case "session.step.failed": {
-      if (child) return { state, outputs: [] }
-      const recorded = event.data.tokens ? recordStep(state, event.data.tokens) : state
-      return { state: { ...recorded, stepError: event.data.error }, outputs: [] }
-    }
-    case "session.execution.succeeded":
-      if (!child) return { state, outputs: [], terminal: "succeeded" }
-      return childEnded(state, ctx, child, { type: "status", status: "completed" }, "succeeded")
-    case "session.execution.interrupted":
-      if (!child) return { state, outputs: [], terminal: "interrupted" }
-      return childEnded(state, ctx, child, { type: "status", status: "interrupted" }, "interrupted")
-    case "session.execution.failed":
-      if (!child) return { state: { ...state, executionError: event.data.error }, outputs: [], terminal: "failed" }
-      return childEnded(state, ctx, child, { type: "status", status: "failed", error: event.data.error }, "failed")
-    default:
-      return { state, outputs: [] }
-  }
-}
-
-/** The ACP failure a settled turn reports instead of a response, if any. */
-export function failure(state: TurnState) {
-  const error = state.stepError ?? state.executionError
-  if (error?.type === "provider.auth") return new ACPError.AuthRequiredError()
-  if (error && error.type !== "aborted" && error.type !== "provider.content-filter") {
-    return new ACPError.ServiceFailureError({
-      safeMessage: error.message || "OpenCode prompt failed",
-      service: "session",
-      errorName: error.type,
-    })
-  }
-  return undefined
-}
-
-export function response(state: TurnState, sessionID: string, terminal: Terminal): PromptResponse {
-  const tokens = state.usage?.turn
-  const usage = tokens
-    ? {
-        inputTokens: tokens.input,
-        outputTokens: tokens.output,
-        totalTokens: TokenUsage.total(tokens),
-        ...(tokens.reasoning > 0 ? { thoughtTokens: tokens.reasoning } : {}),
-        ...(tokens.cache.read > 0 ? { cachedReadTokens: tokens.cache.read } : {}),
-        ...(tokens.cache.write > 0 ? { cachedWriteTokens: tokens.cache.write } : {}),
-      }
-    : undefined
-  const error = (state.stepError ?? state.executionError)?.type
-  const stopReason = resolveStopReason({ terminal, finish: state.finish, error })
-  // Only an interrupt during backoff leaves a retry pending. Interruption clears the projected retry, so report it here.
-  const retry = state.retries.get(sessionID)
-  return { stopReason, ...(usage ? { usage } : {}), _meta: retry ? { [RetryMeta]: retry } : {} }
-}
-
-/** Fails the tools a cancelled turn left open, for when the server's wind-down never reports them. */
-export function abandonTools(state: TurnState, ctx: Context): Step {
-  return {
-    state: { ...state, tools: new Map() },
-    outputs: [...state.tools.values()].flatMap((tool) =>
-      route(ctx, state.children.get(tool.sessionID), {
-        sessionUpdate: "tool_call_update",
-        ...errorToolUpdate({
-          toolCallId: tool.id,
-          toolName: tool.name,
-          input: tool.input,
-          metadata: tool.metadata,
-          content: [],
-          error: "Cancelled",
-          cwd: ctx.cwd,
-        }),
-      }),
-    ),
-  }
-}
-
-/** Lazy, so a message that fails to translate part way still replays the updates before the failure. */
-export function* replayMessage(message: SessionMessageInfo, cwd: string): Generator<SessionUpdate> {
-  if (message.type === "user") {
-    yield { sessionUpdate: "user_message_chunk", messageId: message.id, content: { type: "text", text: message.text } }
-    const files: ReplayPart[] = (message.files ?? []).map((file) => ({
-      type: "file",
-      url: file.source.type === "uri" ? file.source.uri : `data:${file.mime};base64,${file.data}`,
-      filename: file.name,
-      mime: file.mime,
-    }))
-    for (const chunk of partsToContentChunks(files))
-      yield { sessionUpdate: "user_message_chunk", messageId: message.id, ...chunk }
-    return
-  }
-  // A running compaction has no live turn on this connection to settle it, so replay only settled ones.
-  if (message.type === "compaction" && message.status !== "running") {
-    yield compactionUpdate({
-      status: message.status,
-      messageId: message.id,
-      reason: message.reason,
-      ...(message.status === "failed" ? { error: message.error } : {}),
-    })
-    return
-  }
-  if (message.type !== "assistant") return
-  // Live reasoning ordinals count only reasoning parts, not the mixed content array.
-  let reasoningOrdinal = 0
-  for (const part of message.content) {
-    if (part.type === "text") {
-      yield { sessionUpdate: "agent_message_chunk", messageId: message.id, content: { type: "text", text: part.text } }
-      continue
-    }
-    if (part.type === "reasoning") {
-      yield {
-        sessionUpdate: "agent_thought_chunk",
-        messageId: `${message.id}:reasoning:${reasoningOrdinal++}`,
-        content: { type: "text", text: part.text },
-      }
-      continue
-    }
-    yield {
-      sessionUpdate: "tool_call",
-      ...pendingToolCall({
-        toolCallId: part.id,
-        toolName: part.name,
-        state: { input: part.state.status === "streaming" ? {} : part.state.input },
-        cwd,
-      }),
-    }
-    switch (part.state.status) {
-      case "completed":
-        yield {
-          sessionUpdate: "tool_call_update",
-          ...completedToolUpdate({
-            toolCallId: part.id,
-            toolName: part.name,
-            input: part.state.input,
-            metadata: part.state.metadata,
-            content: part.state.content,
-            cwd,
-          }),
-        }
-        break
-      case "running":
-        yield {
-          sessionUpdate: "tool_call_update",
-          ...runningToolUpdate({ toolCallId: part.id, toolName: part.name, state: { input: part.state.input }, cwd }),
-        }
-        break
-      case "error":
-        yield {
-          sessionUpdate: "tool_call_update",
-          ...errorToolUpdate({
-            toolCallId: part.id,
-            toolName: part.name,
-            input: part.state.input,
-            metadata: part.state.metadata,
-            content: part.state.content,
-            error: part.state.error.message,
-            cwd,
-          }),
-        }
-        break
-      case "streaming":
-        break
-    }
-  }
-}
-
-function newTool(sessionID: string, id: string, name = "tool"): Tool {
-  return { sessionID, id, name, input: {}, metadata: {} }
-}
-
-function route(ctx: Context, child: ChildSession | undefined, update: SessionUpdate): Output[] {
-  if (!child) return ctx.mode === "turn" ? [{ _tag: "SessionUpdate", update }] : []
-  const projected = projectChildUpdate(update, child)
-  if (ctx.childUpdates) return childStatus(ctx, child, { type: "update", update: projected })
-  return ctx.mode === "turn" ? [{ _tag: "SessionUpdate", update: projected }] : []
-}
-
-function childStatus(ctx: Context, child: ChildSession, value: ChildSessionEvent): Output[] {
-  if (!ctx.childUpdates) return []
-  return [
-    {
-      _tag: "ChildUpdate",
-      update: {
-        rootSessionId: ctx.sessionID,
-        childSessionId: child.id,
-        parentSessionId: child.parentID,
-        depth: child.depth,
-        ...(child.title ? { title: child.title } : {}),
-        ...value,
-      },
-    },
-  ]
-}
-
-// A background consumer ends once its last open child settles.
-function childEnded(
-  state: TurnState,
-  ctx: Context,
-  child: ChildSession,
-  status: ChildSessionEvent,
-  terminal: Terminal,
-): Step {
-  const openChildren = new Set(state.openChildren)
-  openChildren.delete(child.id)
-  return {
-    state: { ...state, openChildren },
-    outputs: childStatus(ctx, child, status),
-    ...(ctx.mode === "background" && openChildren.size === 0 ? { terminal } : {}),
-  }
-}
-
-function recordStep(state: TurnState, tokens: TokenUsageInfo): TurnState {
-  const turn = state.usage?.turn
-  return {
-    ...state,
-    usage: {
-      turn: turn
-        ? {
-            input: turn.input + tokens.input,
-            output: turn.output + tokens.output,
-            reasoning: turn.reasoning + tokens.reasoning,
-            cache: { read: turn.cache.read + tokens.cache.read, write: turn.cache.write + tokens.cache.write },
-          }
-        : tokens,
-      last: tokens,
-    },
-  }
-}
-
-function without<K, V>(map: ReadonlyMap<K, V>, key: K) {
-  const next = new Map(map)
-  next.delete(key)
-  return next
-}
-
-function sessionIDFromEvent(event: EventSubscribeOutput) {
-  if ("sessionID" in event.data && typeof event.data.sessionID === "string") return event.data.sessionID
-  if (event.type === "form.created") return event.data.form.sessionID
-  return undefined
-}
-
-function toolKey(sessionID: string, id: string) {
-  return `${sessionID}:${id}`
-}
-
-// Message IDs follow core's compaction message projection, so live markers match replayed ones.
-function compactionMarker(event: CompactionEvent, compactions: ReadonlyMap<string, string>) {
-  const sessionID = event.data.sessionID
-  if (event.type === "session.compaction.started") {
-    const messageId = event.data.inputID ?? SessionMessage.ID.fromEvent(Event.ID.make(event.id))
-    const marker: CompactionMarker = { status: "started", messageId, reason: event.data.reason }
-    return { marker, compactions: new Map(compactions).set(sessionID, messageId) }
-  }
-  const tracked = compactions.get(sessionID)
-  const remaining = without(compactions, sessionID)
-  if (event.type === "session.compaction.ended") {
-    const marker: CompactionMarker | undefined = tracked
-      ? { status: "completed", messageId: tracked, reason: event.data.reason }
-      : undefined
-    return { marker, compactions: remaining }
-  }
-  // Automatic compaction can fail before it starts, for example when there is nothing to compact yet.
-  const marker: CompactionMarker = {
-    status: "failed",
-    messageId: tracked ?? event.data.inputID ?? SessionMessage.ID.fromEvent(Event.ID.make(event.id)),
-    reason: event.data.reason,
-    error: event.data.error,
-  }
-  return { marker, compactions: remaining }
-}
-
-function compactionUpdate(marker: CompactionMarker): SessionUpdate {
-  return { sessionUpdate: "session_info_update", _meta: { [CompactionMeta]: marker } }
-}
-
-function projectChildUpdate(update: SessionUpdate, child: ChildSession) {
-  const projected = { ...update }
-  projected._meta = {
-    ...projected._meta,
-    "opencode/child-session": {
-      id: child.id,
-      parentID: child.parentID,
-      depth: child.depth,
-      ...(child.title ? { title: child.title } : {}),
-    },
-  }
-  if (projected.sessionUpdate === "tool_call" || projected.sessionUpdate === "tool_call_update") {
-    projected.toolCallId = `${child.id}:${projected.toolCallId}`
-    if (projected.title && child.title) projected.title = `${child.title}: ${projected.title}`
-  }
-  return projected
-}
-
-function matchesStart(event: EventSubscribeOutput, start: TurnStart) {
-  return event.type === "session.inbox.delivered" && event.data.inboxID === start.id
-}
-
-function resolveStopReason(input: {
-  readonly terminal: Terminal
-  readonly finish: SessionMessageAssistant["finish"]
-  readonly error?: string
-}): PromptResponse["stopReason"] {
-  if (input.terminal === "interrupted" || input.error === "aborted") return "cancelled"
-  if (input.finish === "length") return "max_tokens"
-  if (input.finish === "content-filter" || input.error === "provider.content-filter") return "refusal"
-  return "end_turn"
-}
-
-export * as ACPTranslate from "./translate"

packages/cli/src/acp/turn.ts

@@ -1,455 +0,0 @@
-import type { CancelNotification, PromptRequest, PromptResponse, RequestError } from "@agentclientprotocol/sdk"
-import {
-  isSessionNotFoundError,
-  type CommandInfo,
-  type OpenCodeClient,
-  type OpenCodeEvent,
-} from "@opencode/client/promise"
-import { SessionMessage } from "@opencode/schema/session-message"
-import { TokenUsage } from "@opencode/schema/token-usage"
-import {
-  Cause,
-  Context,
-  Deferred,
-  Duration,
-  Effect,
-  Exit,
-  Fiber,
-  FiberMap,
-  Option,
-  Queue,
-  Ref,
-  Scope,
-  Stream,
-} from "effect"
-import { access, constants } from "node:fs/promises"
-import { fileURLToPath } from "node:url"
-import { builtinCommands, type ACPCatalog, type Catalog } from "./catalog"
-import { currentModel } from "./config-option"
-import type { ACPConnection } from "./connection"
-import { linkReference, promptContentToParts, type PromptPart } from "./content"
-import { ACPElicitation } from "./elicitation"
-import { ACPError } from "./error"
-import { ACPPermission } from "./permission"
-import { ACPPromise } from "./promise"
-import type { ACPService } from "./service"
-import type { ACPSessions, Attached } from "./sessions"
-import { ACPTranslate } from "./translate"
-
-type Failure = ACPError.Error | RequestError | ACPCatalog.Error
-
-export interface Interface {
-  /**
-   * Runs the session's only turn. Cancelling it, including through the request's `$/cancel_request` signal,
-   * interrupts the turn and still resolves with `stopReason: "cancelled"`.
-   */
-  readonly prompt: (input: PromptRequest, signal: AbortSignal) => Effect.Effect<PromptResponse, Failure>
-  /** Interrupts the session's active turn and waits for it to settle. No-op when the session is idle. */
-  readonly cancel: (input: CancelNotification) => Effect.Effect<void>
-  /** Like `cancel`, but an idle session is still interrupted, since server work can outlive its turn. */
-  readonly close: (sessionID: string) => Effect.Effect<void, ACPError.Error | RequestError>
-}
-
-export class Service extends Context.Service<Service, Interface>()("@opencode/cli/acp/Turn") {}
-
-/**
- * How long a cancelled turn keeps forwarding the server's wind-down. Core acknowledges an interrupt before its
- * cleanup settles, and its shell tool waits 3 seconds before escalating to SIGKILL.
- */
-export const CancelDrainTimeout = Context.Reference<Duration.Input>("@opencode/cli/acp/Turn/CancelDrainTimeout", {
-  defaultValue: () => "5 seconds",
-})
-
-type PreparedPrompt = {
-  readonly start: ACPTranslate.TurnStart
-  readonly text: string
-  readonly files: Array<{ readonly uri: string; readonly name?: string }>
-  readonly synthetic: ReadonlyArray<string>
-  readonly slash?: { readonly name: string; readonly args: string }
-  readonly command?: CommandInfo
-}
-
-type PermissionAsk = Extract<ACPTranslate.Output, { readonly _tag: "PermissionAsk" }>
-
-/** A turn's event feed. It moves to the session scope when the turn ends with children still running. */
-type Subscription = {
-  readonly scope: Scope.Closeable
-  readonly events: Queue.Dequeue<OpenCodeEvent, unknown>
-  /** Runs permission and form asks one at a time in ask order, without holding back the rest of the stream. */
-  readonly asks: Queue.Queue<Effect.Effect<void, ACPError.Error | RequestError>>
-  /** Completed when the turn is cancelled; pending and later asks then resolve without the client. */
-  readonly cancelled: Deferred.Deferred<void>
-  /** Completed per asked form once the server reports it answered or cancelled. */
-  readonly forms: Map<string, Deferred.Deferred<void>>
-}
-
-export const make = Effect.fnUntraced(function* (input: {
-  readonly client: OpenCodeClient
-  readonly connection: ACPConnection.Interface
-  readonly sessions: ACPSessions.Interface
-  readonly catalog: ACPCatalog.Interface
-  readonly capabilities: Ref.Ref<ACPService.Capabilities>
-}) {
-  const scope = yield* Effect.scope
-  const drainTimeout = yield* CancelDrainTimeout
-  const turns = yield* FiberMap.make<string, PromptResponse, Failure>()
-
-  const subscribe = Effect.fnUntraced(function* () {
-    // Parented, so it still closes when the session scope it is handed to is already gone.
-    const subscriptionScope = yield* Scope.fork(scope)
-    const subscription: Subscription = {
-      scope: subscriptionScope,
-      events: yield* Stream.fromAsyncIterable(input.client.event.subscribe(), (cause) => cause).pipe(
-        Stream.toQueue({ capacity: "unbounded" }),
-        Scope.provide(subscriptionScope),
-      ),
-      asks: yield* Queue.unbounded<Effect.Effect<void, ACPError.Error | RequestError>>(),
-      cancelled: yield* Deferred.make<void>(),
-      forms: new Map(),
-    }
-    yield* Queue.take(subscription.asks).pipe(
-      Effect.flatten,
-      Effect.catchCause((cause) =>
-        Cause.hasInterruptsOnly(cause) ? Effect.void : Effect.logWarning("ACP permission reply failed", cause),
-      ),
-      Effect.forever,
-      Effect.forkIn(subscriptionScope),
-    )
-    return subscription
-  })
-
-  const take = (subscription: Subscription) =>
-    Queue.take(subscription.events).pipe(
-      Effect.catch((error) =>
-        Cause.isDone(error) ? Effect.fail(new ACPError.ServerUnavailableError()) : ACPPromise.classify(error),
-      ),
-    )
-
-  // A turn settles only after the asks it saw have been resolved.
-  const asksSettled = Effect.fnUntraced(function* (subscription: Subscription) {
-    const settled = yield* Deferred.make<void>()
-    yield* Queue.offer(subscription.asks, Deferred.succeed(settled, undefined).pipe(Effect.asVoid))
-    yield* Deferred.await(settled)
-  })
-
-  const reply = (subscription: Subscription, ctx: ACPTranslate.Context, ask: PermissionAsk) =>
-    ACPPermission.reply(
-      {
-        client: input.client,
-        connection: input.connection,
-        event: ask.event,
-        sessionID: ask.event.data.sessionID,
-        clientSessionID: ctx.sessionID,
-        cwd: ctx.cwd,
-        tool: ask.tool,
-        ...(ask.child ? { toolCallPrefix: ask.child.id, titlePrefix: ask.child.title } : {}),
-      },
-      Deferred.await(subscription.cancelled),
-    )
-
-  const interpret = (subscription: Subscription, ctx: ACPTranslate.Context, output: ACPTranslate.Output) => {
-    switch (output._tag) {
-      case "SessionUpdate":
-        return input.connection.sessionUpdate({ sessionId: ctx.sessionID, update: output.update })
-      case "ChildUpdate":
-        return input.connection
-          .extNotification(ACPTranslate.ChildSessionUpdateMethod, output.update)
-          .pipe(Effect.ignoreCause)
-      case "PermissionAsk":
-        return Queue.offer(subscription.asks, reply(subscription, ctx, output)).pipe(Effect.asVoid)
-      case "FormAsk":
-        return Effect.gen(function* () {
-          const capabilities = yield* Ref.get(input.capabilities)
-          const requestedSchema = ACPElicitation.requestedSchema(output.form, capabilities)
-          if (!requestedSchema) return yield* ACPElicitation.cancel(input.client, output.form)
-          const settled = yield* Deferred.make<void>()
-          subscription.forms.set(output.form.id, settled)
-          yield* Queue.offer(
-            subscription.asks,
-            ACPElicitation.reply(
-              {
-                client: input.client,
-                connection: input.connection,
-                form: output.form,
-                requestedSchema,
-                clientSessionID: ctx.sessionID,
-                child: output.child,
-                toolCallSent: output.toolCallSent,
-                settled: Deferred.await(settled),
-              },
-              Deferred.await(subscription.cancelled),
-            ),
-          )
-        })
-      case "FormSettled":
-        return Effect.suspend(() => {
-          const settled = subscription.forms.get(output.formID)
-          subscription.forms.delete(output.formID)
-          return settled ? Deferred.succeed(settled, undefined) : Effect.void
-        })
-    }
-  }
-
-  const consume = Effect.fnUntraced(function* (
-    subscription: Subscription,
-    ctx: ACPTranslate.Context,
-    state: Ref.Ref<ACPTranslate.TurnState>,
-  ) {
-    while (true) {
-      const event = yield* take(subscription)
-      const next = ACPTranslate.step(yield* Ref.get(state), event, ctx)
-      yield* Ref.set(state, next.state)
-      yield* Effect.forEach(next.outputs, (output) => interpret(subscription, ctx, output), { discard: true })
-      if (next.terminal) {
-        yield* asksSettled(subscription)
-        return next.terminal
-      }
-    }
-  })
-
-  const submit = Effect.fnUntraced(function* (attached: Attached, prompt: PreparedPrompt) {
-    const sessionID = attached.id
-    if (prompt.synthetic.length > 0) {
-      yield* ACPPromise.promise((signal) =>
-        input.client.session.synthetic(
-          {
-            sessionID,
-            text: prompt.synthetic.join("\n\n"),
-            description: "ACP embedded context",
-            delivery: "steer",
-            resume: false,
-          },
-          { signal },
-        ),
-      )
-    }
-    if (prompt.start.type === "compaction") {
-      yield* ACPPromise.promise((signal) =>
-        input.client.session.compact({ sessionID, id: prompt.start.id }, { signal }),
-      )
-      return
-    }
-    const command = prompt.command
-    if (command) {
-      yield* ACPPromise.promise((signal) =>
-        input.client.session.command(
-          { sessionID, name: command.name, text: prompt.slash?.args ?? "", files: prompt.files, delivery: "steer" },
-          { signal },
-        ),
-      )
-      return
-    }
-    yield* ACPPromise.promise((signal) =>
-      input.client.session.prompt(
-        { sessionID, id: prompt.start.id, text: prompt.text, files: prompt.files, delivery: "steer" },
-        { signal },
-      ),
-    )
-  })
-
-  const interruptServer = (sessionID: string) =>
-    ACPPromise.promise(() => input.client.session.interrupt({ sessionID })).pipe(Effect.ignoreCause)
-
-  // Rejects pending asks, interrupts the server once, then forwards its wind-down until the terminal event or the
-  // timeout. Tools still open at the timeout are reported failed so the client never shows them running.
-  const windDown = Effect.fnUntraced(function* (
-    subscription: Subscription,
-    ctx: ACPTranslate.Context,
-    state: Ref.Ref<ACPTranslate.TurnState>,
-    events: Fiber.Fiber<ACPTranslate.Terminal, Failure>,
-  ) {
-    yield* Deferred.succeed(subscription.cancelled, undefined)
-    yield* interruptServer(ctx.sessionID)
-    if (!(yield* Ref.get(state)).started) return
-    if (Option.isSome(yield* Fiber.await(events).pipe(Effect.timeoutOption(drainTimeout)))) return
-    yield* Fiber.interrupt(events)
-    const abandoned = ACPTranslate.abandonTools(yield* Ref.get(state), ctx)
-    yield* Ref.set(state, abandoned.state)
-    yield* Effect.forEach(abandoned.outputs, (output) => interpret(subscription, ctx, output), { discard: true }).pipe(
-      Effect.ignore,
-    )
-  })
-
-  const execute = (
-    attached: Attached,
-    prompt: PreparedPrompt,
-    ctx: ACPTranslate.Context,
-    state: Ref.Ref<ACPTranslate.TurnState>,
-  ) =>
-    Effect.acquireUseRelease(
-      subscribe(),
-      (subscription) =>
-        Effect.gen(function* () {
-          // The feed opens with `server.connected`, so every event the submission causes comes after it.
-          const connected = yield* take(subscription)
-          if (connected.type !== "server.connected")
-            return yield* Effect.die(new Error(`expected server.connected, got ${connected.type}`))
-          const events = yield* consume(subscription, ctx, state).pipe(Effect.forkScoped)
-          return yield* Effect.gen(function* () {
-            yield* submit(attached, prompt)
-            if (prompt.command) return "succeeded" as const
-            return yield* Fiber.join(events)
-          }).pipe(Effect.onInterrupt(() => windDown(subscription, ctx, state, events)))
-        }).pipe(Effect.scoped),
-      (subscription, exit) => handoff(attached, subscription, ctx, state, exit),
-    )
-
-  const handoff = Effect.fnUntraced(function* (
-    attached: Attached,
-    subscription: Subscription,
-    ctx: ACPTranslate.Context,
-    state: Ref.Ref<ACPTranslate.TurnState>,
-    exit: Exit.Exit<ACPTranslate.Terminal, Failure>,
-  ) {
-    const close = Scope.close(subscription.scope, Exit.void)
-    if (Exit.isFailure(exit) && !Cause.hasInterruptsOnly(exit.cause)) return yield* close
-    if ((yield* Ref.get(state)).openChildren.size === 0) return yield* close
-    // Children that outlive a cancelled turn were not cancelled, so their asks still go to the client.
-    const cancelled = yield* Deferred.make<void>()
-    const background = consume({ ...subscription, cancelled }, { ...ctx, mode: "background" }, state).pipe(
-      Effect.ignore,
-      Effect.ensuring(close),
-      Effect.withSpan("cli.acp.turn.background"),
-    )
-    yield* input.sessions.fork(attached, background).pipe(Effect.catchTag("ACPSessionNotFoundError", () => close))
-  })
-
-  const settle = Effect.fnUntraced(function* (
-    attached: Attached,
-    state: Ref.Ref<ACPTranslate.TurnState>,
-    exit: Exit.Exit<ACPTranslate.Terminal, Failure>,
-  ) {
-    if (Exit.isFailure(exit) && !Cause.hasInterrupts(exit.cause)) return yield* Effect.failCause(exit.cause)
-    const current = yield* Ref.get(state)
-    const failure = ACPTranslate.failure(current)
-    if (failure) return yield* failure
-    yield* sendUsageUpdate(attached, current)
-    return ACPTranslate.response(current, attached.id, Exit.isSuccess(exit) ? exit.value : "interrupted")
-  })
-
-  const sendUsageUpdate = Effect.fn("cli.acp.turn.usage")(
-    function* (attached: Attached, state: ACPTranslate.TurnState) {
-      const used = state.usage ? TokenUsage.total(state.usage.last) : 0
-      if (!used) return
-      const catalog = yield* input.catalog.get(attached.cwd)
-      const current = currentModel(catalog, yield* Ref.get(attached.selection))
-      const model = catalog.models.find((item) => item.providerID === current.providerID && item.id === current.id)
-      if (!model?.limit.context) return
-      const info = yield* ACPPromise.promise((signal) =>
-        input.client.session.get({ sessionID: attached.id }, { signal }),
-      )
-      yield* input.connection.sessionUpdate({
-        sessionId: attached.id,
-        update: {
-          sessionUpdate: "usage_update",
-          used,
-          size: model.limit.context,
-          cost: { amount: info.cost, currency: "USD" },
-        },
-      })
-    },
-    (effect) => Effect.ignoreCause(effect),
-  )
-
-  // Forked uninterruptible: interruption reaches only `execute`, so the fiber still settles with a response.
-  const run = Effect.fn("cli.acp.turn.run")(function* (
-    attached: Attached,
-    prompt: PreparedPrompt,
-    childUpdates: boolean,
-  ) {
-    const state = yield* Ref.make(ACPTranslate.initial)
-    const ctx: ACPTranslate.Context = {
-      sessionID: attached.id,
-      cwd: attached.cwd,
-      start: prompt.start,
-      childUpdates,
-      mode: "turn",
-    }
-    const exit = yield* Effect.exit(Effect.interruptible(execute(attached, prompt, ctx, state)))
-    return yield* settle(attached, state, exit)
-  })
-
-  return Service.of({
-    prompt: Effect.fn("cli.acp.turn.prompt")(function* (params, signal) {
-      const attached = yield* input.sessions.require(params.sessionId)
-      const catalog = yield* input.catalog.get(attached.cwd)
-      const childUpdates = (yield* Ref.get(input.capabilities)).childSessionUpdates
-      const parts = yield* Effect.forEach(promptContentToParts(params.prompt), referenceUnreadableFile, {
-        concurrency: "unbounded",
-      })
-      const prompt = preparePrompt(catalog, parts, SessionMessage.ID.create())
-      // Check and register in one synchronous step.
-      const turn = yield* Effect.withFiber((fiber) => {
-        if (FiberMap.hasUnsafe(turns, attached.id)) {
-          return Effect.fail(
-            new ACPError.ServiceFailureError({
-              safeMessage: `Session already has an active ACP prompt: ${attached.id}`,
-              service: "session",
-            }),
-          )
-        }
-        const forked = Effect.runForkWith(fiber.context)(run(attached, prompt, childUpdates), { uninterruptible: true })
-        FiberMap.setUnsafe(turns, attached.id, forked)
-        return Effect.succeed(forked)
-      })
-      // A `$/cancel_request` for this prompt cancels its turn like `session/cancel`, rather than failing the request.
-      yield* aborted(signal).pipe(Effect.andThen(Fiber.interrupt(turn)), Effect.forkChild)
-      return yield* Fiber.join(turn)
-    }),
-    cancel: Effect.fn("cli.acp.turn.cancel")(function* (params) {
-      yield* FiberMap.remove(turns, params.sessionId)
-    }),
-    close: Effect.fn("cli.acp.turn.close")(function* (sessionID) {
-      if (FiberMap.hasUnsafe(turns, sessionID)) return yield* FiberMap.remove(turns, sessionID)
-      yield* ACPPromise.promise(() =>
-        input.client.session.interrupt({ sessionID }).catch((error) => {
-          if (!isSessionNotFoundError(error)) throw error
-        }),
-      )
-    }),
-  })
-})
-
-function aborted(signal: AbortSignal) {
-  return Effect.callback<void>((resume) => {
-    if (signal.aborted) return resume(Effect.void)
-    const abort = () => resume(Effect.void)
-    signal.addEventListener("abort", abort, { once: true })
-    return Effect.sync(() => signal.removeEventListener("abort", abort))
-  })
-}
-
-function preparePrompt(catalog: Catalog, parts: readonly PromptPart[], messageID: string): PreparedPrompt {
-  const visible = parts.filter((part) => part.type !== "text" || (!part.synthetic && !part.ignored))
-  const synthetic = parts.flatMap((part) => (part.type === "text" && part.synthetic ? [part.text] : []))
-  const text = visible.flatMap((part) => (part.type === "text" ? [part.text] : [])).join("\n")
-  const files = visible.flatMap((part) => (part.type === "file" ? [{ uri: part.url, name: part.filename }] : []))
-  const slash = detectSlashCommand(text)
-  const command = slash ? catalog.commands.find((item) => item.name === slash.name) : undefined
-  const start = turnStart(messageID, slash)
-  return { start, text, files, synthetic, slash, command }
-}
-
-// Covers only missing or permission-denied targets; the server still rejects oversized, non-regular, or unlistable ones.
-function referenceUnreadableFile(part: PromptPart) {
-  if (part.type !== "file" || !part.url.startsWith("file://")) return Effect.succeed(part)
-  return Effect.tryPromise(() => access(fileURLToPath(part.url), constants.R_OK)).pipe(
-    Effect.as(part),
-    Effect.orElseSucceed(() => linkReference(part.filename, part.url)),
-  )
-}
-
-function turnStart(messageID: string, slash: PreparedPrompt["slash"]): ACPTranslate.TurnStart {
-  if (slash && builtinCommands.get(slash.name)?.start === "compaction") return { type: "compaction", id: messageID }
-  return { type: "input", id: messageID }
-}
-
-function detectSlashCommand(text: string): { readonly name: string; readonly args: string } | undefined {
-  const value = text.trim()
-  if (!value.startsWith("/")) return undefined
-  const [name, ...rest] = value.slice(1).split(/\s+/)
-  if (!name) return undefined
-  return { name, args: rest.join(" ").trim() }
-}
-
-export * as ACPTurn from "./turn"

packages/cli/src/commands/handlers/acp.ts

@@ -1,4 +1,4 @@
-import { MessageTooLargeError, ndJsonStream } from "@agentclientprotocol/sdk"
+import { ndJsonStream } from "@agentclientprotocol/sdk"
 import { OpenCode } from "@opencode/client/promise"
 import { Service } from "@opencode/client/effect/service"
 import { CrossSpawnSpawner } from "@opencode/util/cross-spawn-spawner"
@@ -16,29 +16,25 @@ export default Runtime.handler(
     const endpoint = yield* Standalone.start()
     const client = OpenCode.make({ baseUrl: endpoint.url, headers: Service.headers(endpoint) })
     const connection = yield* ACP.connect(client, ndJsonStream(Writable.toWeb(process.stdout), Bun.stdin.stream()))
-    const failure = yield* Effect.raceFirst(
-      Effect.promise(() => connection.closed).pipe(
-        Effect.map(() =>
-          connection.signal.reason instanceof MessageTooLargeError
-            ? `incoming message exceeded the ${connection.signal.reason.maxMessageBytes / 1024 / 1024} MiB limit`
-            : undefined,
-        ),
-      ),
+    const code = yield* Effect.raceFirst(
+      Effect.promise(() => connection.closed).pipe(Effect.as(0)),
       endpoint.exited.pipe(
         Effect.match({
           onSuccess: (code) => `code ${code}`,
           onFailure: (error) =>
             error.cause instanceof CrossSpawnSpawner.KilledBySignal ? `signal ${error.cause.signal}` : error.message,
         }),
-        Effect.map((reason) => `server exited unexpectedly (${reason})`),
+        // stdout carries ACP, so the diagnostic goes to stderr.
+        Effect.flatMap((reason) =>
+          Effect.sync(() => {
+            process.stderr.write(`opencode acp: server exited unexpectedly (${reason})\n`)
+            return 1
+          }),
+        ),
       ),
     )
     // Closing the handler scope would wait for the private server's graceful shutdown; its lease pipe already
     // ends the server once this process exits.
-    yield* Effect.sync(() => {
-      // stdout carries ACP, so the diagnostic goes to stderr.
-      if (failure) process.stderr.write(`opencode acp: ${failure}\n`)
-      process.exit(failure ? 1 : 0)
-    })
+    yield* Effect.sync(() => process.exit(code))
   }),
 )

packages/cli/src/commands/handlers/default.ts

@@ -4,7 +4,7 @@ import { run } from "@opencode/tui"
 import { Commands } from "../commands"
 import { Runtime } from "../../framework/runtime"
 import { Config } from "../../config"
-import { Context, Effect, FileSystem, Option, Queue, Schedule, Semaphore } from "effect"
+import { Context, Effect, Fiber, FileSystem, Option, Queue } from "effect"
 import { ServerConnection } from "../../services/server-connection"
 import { Updater } from "../../services/updater"
 import { UpdatePreflight } from "../../services/update-preflight"
@@ -61,29 +61,13 @@ export default Runtime.handler(Commands, (input) =>
       })) !== undefined
     const updater = yield* Updater.Service
     let installing: string | undefined
-    let latest: Updater.RunResult | undefined
-    const installListeners = new Set<(version: string) => void>()
-    const resultListeners = new Set<(result: Updater.RunResult) => void>()
-    // Background checks, `/update` lookups, and manual installs take turns so two installs never overlap.
-    const checking = yield* Semaphore.make(1)
-    yield* updater
+    const updateListeners = new Set<(version: string) => void>()
+    const update = yield* updater
       .run((version) => {
         installing = version
-        installListeners.forEach((notify) => notify(version))
+        updateListeners.forEach((notify) => notify(version))
       })
-      .pipe(
-        Effect.ensuring(Effect.sync(() => (installing = undefined))),
-        Effect.tap((result) =>
-          Effect.sync(() => {
-            if (!result || (result.type === latest?.type && result.version === latest.version)) return
-            latest = result
-            resultListeners.forEach((notify) => notify(result))
-          }),
-        ),
-        checking.withPermits(1),
-        Effect.repeat(Schedule.spaced("10 minutes")),
-        Effect.forkScoped({ startImmediately: true }),
-      )
+      .pipe(Effect.ensuring(Effect.sync(() => (installing = undefined))), Effect.forkScoped)
     preflight.loading()
     const config = yield* Config.Service
     const npm = yield* Npm.Service
@@ -122,19 +106,21 @@ export default Runtime.handler(Commands, (input) =>
       },
       updater: {
         remote: requestedServer !== undefined,
-        subscribe: (notify) => {
-          if (latest) notify(latest)
-          resultListeners.add(notify)
-          return () => resultListeners.delete(notify)
-        },
+        subscribe: (notify, signal) =>
+          runPromise(
+            Fiber.join(update).pipe(
+              Effect.flatMap((result) => (result === undefined ? Effect.void : Effect.sync(() => notify(result)))),
+            ),
+            { signal },
+          ),
         check: (signal, notify) => {
           if (installing) notify(installing)
-          installListeners.add(notify)
-          return runPromise(checking.withPermits(1)(updater.check()), { signal }).finally(() =>
-            installListeners.delete(notify),
+          updateListeners.add(notify)
+          return runPromise(Fiber.join(update).pipe(Effect.flatMap(() => updater.check())), { signal }).finally(() =>
+            updateListeners.delete(notify),
           )
         },
-        apply: (version) => runPromise(checking.withPermits(1)(updater.apply(version))),
+        apply: (version) => runPromise(updater.apply(version)),
       },
       packages: {
         prepare: (spec, install = true) => runPromise(install ? npm.add(spec) : npm.resolve(spec)),

packages/cli/src/index.ts

@@ -13,7 +13,6 @@ import { Global } from "@opencode/util/global"
 import { AppProcess } from "@opencode/util/process"
 import { Config } from "./config"
 import { Npm } from "@opencode/util/npm"
-import { EffectFlock } from "@opencode/util/effect-flock"
 import { Heap } from "./heap"
 import { CpuProfile } from "./cpu-profile"
 
@@ -114,7 +113,7 @@ Effect.gen(function* () {
   Effect.provide(Config.layer),
   Effect.provide(Updater.layer),
   Effect.provide(
-    LayerNode.compile(LayerNode.group([Global.node, AppProcess.node, Npm.node, EffectFlock.node]), {
+    LayerNode.compile(LayerNode.group([Global.node, AppProcess.node, Npm.node]), {
       replacements: [
         Global.node.replace(
           Global.layerWith(process.env.OPENCODE_CONFIG_DIR ? { config: process.env.OPENCODE_CONFIG_DIR } : {}),

packages/cli/src/services/updater.ts

@@ -1,6 +1,5 @@
 import { Global } from "@opencode/util/global"
 import { AppProcess } from "@opencode/util/process"
-import { EffectFlock } from "@opencode/util/effect-flock"
 import { OPENCODE_ARTIFACT, OPENCODE_CHANNEL, OPENCODE_LOCAL, OPENCODE_VERSION } from "../version"
 import { Context, Duration, Effect, FileSystem, Layer, Option, Ref, Schema } from "effect"
 import { ChildProcess } from "effect/unstable/process"
@@ -128,7 +127,6 @@ const make = Effect.gen(function* () {
   const fs = yield* FileSystem.FileSystem
   const global = yield* Global.Service
   const appProcess = yield* AppProcess.Service
-  const flock = yield* EffectFlock.Service
   const installedVersion = yield* Ref.make(OPENCODE_VERSION)
   const channel = OPENCODE_CHANNEL.replace(/[^a-zA-Z0-9._-]/g, "-")
   const installedPackage = yield* Effect.gen(function* () {
@@ -372,9 +370,6 @@ const make = Effect.gen(function* () {
     }
     yield* Effect.scoped(
       Effect.gen(function* () {
-        // Other OpenCode processes may be installing at the same time. Wait longer than the
-        // slowest install (curl runs two 5-minute commands).
-        yield* flock.acquire("cli-upgrade", undefined, { timeoutMs: Duration.toMillis("15 minutes") })
         if (method === "bun") {
           // Bun does not prune old versions from its shared package cache.
           yield* fs.makeDirectory(global.cache, { recursive: true })

packages/cli/test/acp/additional-directories.subprocess.test.ts

@@ -1,58 +0,0 @@
-import type { NewSessionResponse, PromptResponse } from "@agentclientprotocol/sdk"
-import { describe, expect, test } from "bun:test"
-import fs from "node:fs/promises"
-import path from "node:path"
-import { createAcpFixture, expectOk, initialize } from "./subprocess"
-
-// The first completion reads the file outside cwd; the follow-up completion ends the turn.
-function readingModel(file: () => string) {
-  return (request: unknown) => {
-    if (JSON.stringify(request).includes('"role":"tool"')) return "done"
-    return new Response(toolCall(file()), { headers: { "content-type": "text/event-stream" } })
-  }
-}
-
-function toolCall(file: string) {
-  const call = { index: 0, id: "call_read", type: "function", function: { name: "read", arguments: "" } }
-  const chunks = [
-    { choices: [{ delta: { role: "assistant", tool_calls: [call] }, finish_reason: null }], usage: null },
-    {
-      choices: [{ delta: { tool_calls: [{ index: 0, function: { arguments: JSON.stringify({ path: file }) } }] } }],
-      usage: null,
-    },
-    { choices: [{ delta: {}, finish_reason: "tool_calls" }], usage: null },
-    { choices: [], usage: { prompt_tokens: 10, completion_tokens: 1, total_tokens: 11 } },
-  ]
-  return `${chunks.map((chunk) => `data: ${JSON.stringify(chunk)}\n\n`).join("")}data: [DONE]\n\n`
-}
-
-describe("acp additional directories subprocess", () => {
-  test("tools read files in an additional directory without an external directory ask", async () => {
-    const target = { file: "" }
-    await using fixture = await createAcpFixture({ respond: readingModel(() => target.file) })
-    // Keep the unresolved tmpdir spelling, which differs from the real path on macOS.
-    const shared = path.join(fixture.root, "shared")
-    target.file = path.join(shared, "notes.txt")
-    await fs.mkdir(shared)
-    await Bun.write(target.file, "shared root content\n")
-    const acp = fixture.spawn()
-    await initialize(acp)
-    const session = expectOk(
-      await acp.request<NewSessionResponse>("session/new", {
-        cwd: fixture.home,
-        additionalDirectories: [shared],
-        mcpServers: [],
-      }),
-    )
-
-    const result = expectOk(
-      await acp.request<PromptResponse>("session/prompt", {
-        sessionId: session.sessionId,
-        prompt: [{ type: "text", text: "read the shared notes" }],
-      }),
-    )
-
-    expect(result.stopReason).toBe("end_turn")
-    expect(JSON.stringify(fixture.llm.requests.at(-1))).toContain("shared root content")
-  }, 60_000)
-})

packages/cli/test/acp/additional-directories.test.ts

@@ -1,182 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import fs from "node:fs/promises"
-import path from "node:path"
-import type { PermissionRule } from "@opencode/client/promise"
-import { tmpdir } from "../fixture/tmpdir"
-import { makeSession, rpcError, startWire, type Wire } from "./wire-fixture"
-
-const key = "opencode.acp.additionalDirectories"
-
-const grant = (directory: string): PermissionRule => ({
-  action: "external_directory",
-  resource: path.join(directory, "*"),
-  effect: "allow",
-})
-
-const sharedLib = path.resolve("/shared/lib")
-const productDocs = path.resolve("/product-docs")
-const old = path.resolve("/old")
-
-const userGrant: PermissionRule = { action: "external_directory", resource: "/x/**", effect: "allow" }
-
-const other: PermissionRule[] = [
-  { action: "read", resource: "*.secret", effect: "deny" },
-  { action: "external_directory", resource: "/shared/lib/private/*", effect: "deny" },
-]
-
-const updates = (acp: Wire) =>
-  acp.server.requests.filter((request) => request.method === "PATCH" && request.path.startsWith("/api/session/"))
-
-describe("acp additional directories over the wire", () => {
-  test("session/new grants normalized unique directories other than cwd and lists them", async () => {
-    await using acp = await startWire()
-    await acp.initialize()
-
-    const created = await acp.request("session/new", {
-      cwd: "/workspace",
-      additionalDirectories: ["/shared/lib/", "/workspace", "/docs/../product-docs", "/shared/lib", "/workspace/"],
-      mcpServers: [],
-    })
-
-    expect(acp.server.sessions.get(created.sessionId)).toMatchObject({
-      permissions: [grant(sharedLib), grant(productDocs)],
-      metadata: { [key]: [sharedLib, productDocs] },
-    })
-    expect((await acp.request("session/list", { cwd: "/workspace" })).sessions).toEqual([
-      expect.objectContaining({
-        sessionId: created.sessionId,
-        additionalDirectories: [sharedLib, productDocs],
-      }),
-    ])
-  })
-
-  test("grants both the written and real spelling of a symlinked root and drops links to cwd", async () => {
-    await using tmp = await tmpdir()
-    const root = await fs.realpath(tmp.path)
-    const cwd = path.join(root, "workspace")
-    const shared = path.join(root, "shared")
-    await Promise.all([fs.mkdir(cwd), fs.mkdir(shared)])
-    await Promise.all([
-      fs.symlink(shared, path.join(root, "shared-link")),
-      fs.symlink(cwd, path.join(root, "workspace-link")),
-    ])
-    await using acp = await startWire()
-    await acp.initialize()
-
-    const created = await acp.request("session/new", {
-      cwd,
-      additionalDirectories: [path.join(root, "workspace-link"), path.join(root, "shared-link")],
-      mcpServers: [],
-    })
-
-    expect(acp.server.sessions.get(created.sessionId)).toMatchObject({
-      permissions: [grant(path.join(root, "shared-link")), grant(shared)],
-      metadata: { [key]: [path.join(root, "shared-link")] },
-    })
-    expect((await acp.request("session/list", { cwd })).sessions[0]?.additionalDirectories).toEqual([
-      path.join(root, "shared-link"),
-    ])
-  })
-
-  test.each(["shared/lib", "", "/shared/*", "/shared/lib?"])(
-    "rejects %p before creating a session",
-    async (directory) => {
-      await using acp = await startWire()
-      await acp.initialize()
-
-      expect(
-        await rpcError(
-          acp.request("session/new", {
-            cwd: "/workspace",
-            additionalDirectories: ["/shared/ok", directory],
-            mcpServers: [],
-          }),
-        ),
-      ).toMatchObject({ code: -32602, data: { additionalDirectory: directory } })
-      expect(acp.server.sessions.size).toBe(0)
-    },
-  )
-
-  test("load and resume replace ACP grants and keep other session rules and metadata", async () => {
-    await using acp = await startWire()
-    acp.server.sessions.set("ses_saved", {
-      ...makeSession("ses_saved"),
-      metadata: { host: "tui", [key]: [old] },
-      permissions: [grant(old), userGrant, ...other],
-    })
-    await acp.initialize()
-
-    await acp.request("session/load", {
-      cwd: "/workspace",
-      sessionId: "ses_saved",
-      additionalDirectories: ["/shared/lib", "/product-docs"],
-      mcpServers: [],
-    })
-    expect(acp.server.sessions.get("ses_saved")).toMatchObject({
-      metadata: { host: "tui", [key]: [sharedLib, productDocs] },
-      permissions: [grant(sharedLib), grant(productDocs), userGrant, ...other],
-    })
-
-    await acp.request("session/resume", {
-      cwd: "/workspace",
-      sessionId: "ses_saved",
-      additionalDirectories: ["/shared/lib", "/product-docs"],
-    })
-    expect(updates(acp)).toHaveLength(1)
-
-    await acp.request("session/resume", { cwd: "/workspace", sessionId: "ses_saved" })
-    expect(acp.server.sessions.get("ses_saved")?.metadata).toEqual({ host: "tui" })
-    expect(acp.server.sessions.get("ses_saved")?.permissions).toEqual([userGrant, ...other])
-    expect((await acp.request("session/list", { cwd: "/workspace" })).sessions[0]).not.toHaveProperty(
-      "additionalDirectories",
-    )
-  })
-
-  test("forks replace inherited grants with the requested list", async () => {
-    await using acp = await startWire()
-    acp.server.sessions.set("ses_source", {
-      ...makeSession("ses_source"),
-      metadata: { [key]: [old] },
-      permissions: [grant(old), ...other],
-    })
-    await acp.initialize()
-
-    const plain = await acp.request("session/fork", { cwd: "/workspace", sessionId: "ses_source" })
-    const granted = await acp.request("session/fork", {
-      cwd: "/workspace",
-      sessionId: "ses_source",
-      additionalDirectories: ["/shared/lib"],
-    })
-
-    expect(acp.server.sessions.get(plain.sessionId)).toMatchObject({ metadata: {}, permissions: other })
-    expect(acp.server.sessions.get(granted.sessionId)).toMatchObject({
-      metadata: { [key]: [sharedLib] },
-      permissions: [grant(sharedLib), ...other],
-    })
-    expect(acp.server.sessions.get("ses_source")?.permissions).toEqual([grant(old), ...other])
-  })
-
-  test("leaves sessions alone without additional directories", async () => {
-    await using acp = await startWire()
-    acp.server.sessions.set("ses_saved", {
-      ...makeSession("ses_saved"),
-      metadata: { host: "tui" },
-      permissions: [userGrant, ...other],
-    })
-    await acp.initialize()
-
-    const created = await acp.request("session/new", { cwd: "/workspace", mcpServers: [] })
-    await acp.request("session/load", { cwd: "/workspace", sessionId: "ses_saved", mcpServers: [] })
-    await acp.request("session/resume", { cwd: "/workspace", sessionId: "ses_saved", additionalDirectories: [] })
-
-    const create = acp.server.requests.find((request) => request.method === "POST" && request.path === "/api/session")
-    expect(create?.body).toEqual({ location: { directory: "/workspace" } })
-    expect(acp.server.sessions.get(created.sessionId)?.permissions).toBeUndefined()
-    expect(updates(acp)).toEqual([])
-    expect(
-      (await acp.request("session/list", { cwd: "/workspace" })).sessions.map(
-        (session) => session.additionalDirectories,
-      ),
-    ).toEqual([undefined, undefined])
-  })
-})

packages/cli/test/acp/catalog.test.ts

@@ -118,73 +118,104 @@ describe("acp catalog and config options over the wire", () => {
     const session = await acp.newSession()
     acp.server.catalog.models = [testModel, secondModel]
     acp.server.catalog.agents = [buildAgent, planAgent, configured]
-    const set = (configId: string, value: string) =>
-      acp.request("session/set_config_option", { sessionId: session.sessionId, configId, value })
-    const initialModelReads = modelReads(acp)
 
-    const model = await set("model", "test/second-model")
-    const reloadedModelReads = modelReads(acp)
-    const missingModel = await rpcError(set("model", "test/missing-model"))
-    const missingModelReads = modelReads(acp)
+    const model = await acp.request("session/set_config_option", {
+      sessionId: session.sessionId,
+      configId: "model",
+      value: "test/second-model",
+    })
     await acp.request("session/set_mode", { sessionId: session.sessionId, modeId: "copilot-build" })
     const reads = agentReads(acp)
-    const missing = await rpcError(set("mode", "missing"))
+    const missing = await rpcError(
+      acp.request("session/set_config_option", { sessionId: session.sessionId, configId: "mode", value: "missing" }),
+    )
 
     expect(currentValue(model, "model")).toBe("test/second-model")
-    expect([reloadedModelReads, missingModelReads]).toEqual([initialModelReads + 1, initialModelReads + 2])
-    expect(missingModel).toMatchObject({ code: -32602, data: { modelId: "test/missing-model" } })
     expect(acp.server.selections).toContainEqual({ sessionID: session.sessionId, agent: "copilot-build" })
     expect(missing).toMatchObject({ code: -32602, data: { mode: "missing" } })
     expect(agentReads(acp)).toBeGreaterThan(reads)
   })
 
-  test.each([
-    [
-      "a sibling session closes",
-      async (acp: Wire) => {
-        const closed = await acp.newSession()
-        const open = await acp.newSession()
-        await acp.request("session/close", { sessionId: closed.sessionId })
-        await initialCommands(acp, open.sessionId, 1)
-        return open.sessionId
-      },
-    ],
-    ...(["session/load", "session/resume"] as const).map(
-      (method) =>
-        [
-          `${method} re-attaches the session`,
-          async (acp: Wire) => {
-            const session = await acp.newSession()
-            const params = { cwd: "/workspace", sessionId: session.sessionId, mcpServers: [] }
-            await acp.request(method, params)
-            await acp.request(method, params)
-            await initialCommands(acp, session.sessionId, 3)
-            return session.sessionId
-          },
-        ] as const,
-    ),
-  ])("pushes exactly one update per catalog change after %s", async (_, setup) => {
+  test("reloads the catalog once for an unseen model and selects it", async () => {
     await using acp = await startWire()
     acp.server.catalog.models = [testModel]
     await acp.initialize()
-    const sessionId = await setup(acp)
+    const session = await acp.newSession()
+    acp.server.catalog.models = [testModel, secondModel]
+    const set = (value: string) =>
+      acp.request("session/set_config_option", { sessionId: session.sessionId, configId: "model", value })
+    const reads = modelReads(acp)
+
+    const selected = await set("test/second-model")
+    expect(modelReads(acp)).toBe(reads + 1)
+    expect(await rpcError(set("test/missing-model"))).toMatchObject({ code: -32602 })
+
+    expect(currentValue(selected, "model")).toBe("test/second-model")
+    expect(modelReads(acp)).toBe(reads + 2)
+    expect(acp.server.selections).toEqual([
+      { sessionID: session.sessionId, model: { providerID: "test", id: secondModel.id } },
+    ])
+  })
+
+  test("stops catalog updates for a closed session while other sessions in the cwd keep them", async () => {
+    await using acp = await startWire()
+    acp.server.catalog.models = [testModel]
+    await acp.initialize()
+    const closed = await acp.newSession()
+    const open = await acp.newSession()
+    await acp.request("session/close", { sessionId: closed.sessionId })
     const since = acp.updates.length
 
-    await change(acp, sessionId, "config_option_update", () => {
+    await change(acp, open.sessionId, "config_option_update", () => {
       acp.server.catalog.models = [testModel, secondModel]
       acp.server.send(ephemeralEvent("model.updated", {}))
     })
-    await change(acp, sessionId, "available_commands_update", () => {
+    await change(acp, open.sessionId, "available_commands_update", () => {
       acp.server.catalog.commands = [reviewCommand, { name: "ship", description: "Ship it" }]
       acp.server.send(ephemeralEvent("command.updated", {}, { directory: "/workspace" }))
     })
+    await change(acp, open.sessionId, "config_option_update", () => {
+      acp.server.catalog.agents = [buildAgent]
+      acp.server.send(ephemeralEvent("agent.updated", {}, { directory: "/workspace" }))
+    })
 
     expect(updateKinds(acp, since)).toEqual([
-      [sessionId, "config_option_update"],
-      [sessionId, "available_commands_update"],
+      [open.sessionId, "config_option_update"],
+      [open.sessionId, "available_commands_update"],
+      [open.sessionId, "config_option_update"],
     ])
   })
 
+  test.each(["session/load", "session/resume"] as const)(
+    "pushes one update per catalog change after %s re-attaches a session",
+    async (method) => {
+      await using acp = await startSession()
+      const params = { cwd: "/workspace", sessionId: acp.sessionId, mcpServers: [] }
+      await acp.request(method, params)
+      await acp.request(method, params)
+      const since = acp.updates.length
+
+      await change(acp, acp.sessionId, "config_option_update", () => {
+        acp.server.catalog.models = [testModel]
+        acp.server.send(ephemeralEvent("model.updated", {}))
+      })
+      await change(acp, acp.sessionId, "available_commands_update", () => {
+        acp.server.catalog.commands = [reviewCommand, { name: "ship", description: "Ship it" }]
+        acp.server.send(ephemeralEvent("command.updated", {}, { directory: "/workspace" }))
+      })
+      await change(acp, acp.sessionId, "config_option_update", () => {
+        acp.server.catalog.agents = [buildAgent]
+        acp.server.send(ephemeralEvent("agent.updated", {}, { directory: "/workspace" }))
+      })
+
+      expect(updateKinds(acp, since)).toEqual([
+        [acp.sessionId, "config_option_update"],
+        [acp.sessionId, "available_commands_update"],
+        [acp.sessionId, "config_option_update"],
+      ])
+    },
+  )
+
   test.each(["empty", "missing the default"])(
     "retries when the model list is %s but the default is ready",
     async (initial) => {
@@ -261,32 +292,20 @@ describe("acp catalog and config options over the wire", () => {
     await using acp = await startSession()
     const advertised = await acp.waitForUpdate((item) => commandNames(item) !== undefined)
 
-    acp.server.catalog.commands = [
-      reviewCommand,
-      { name: "compact", description: "Server compact" },
-      { name: "ship", description: "Ship it" },
-    ]
+    acp.server.catalog.commands = [reviewCommand, { name: "compact", description: "Server compact" }]
     acp.server.send(ephemeralEvent("command.updated", {}, { directory: "/workspace" }))
     const replaced = await acp.waitForUpdate((item) => item !== advertised && commandNames(item) !== undefined)
     const compacted = await acp.prompt(acp.sessionId, "/compact")
 
-    expect([advertised, replaced].map((item) => item.update)).toEqual([
-      {
+    expect([advertised, replaced].map((item) => item.update)).toEqual(
+      Array.from({ length: 2 }, () => ({
         sessionUpdate: "available_commands_update",
         availableCommands: [
           { name: "review", description: "Review changes" },
           { name: "compact", description: "Compact the session" },
         ],
-      },
-      {
-        sessionUpdate: "available_commands_update",
-        availableCommands: [
-          { name: "review", description: "Review changes" },
-          { name: "ship", description: "Ship it" },
-          { name: "compact", description: "Compact the session" },
-        ],
-      },
-    ])
+      })),
+    )
     expect(compacted.stopReason).toBe("end_turn")
     expect(acp.server.submissions.map((item) => item.kind)).toEqual(["compact"])
   })
@@ -303,14 +322,6 @@ async function change(acp: Wire, sessionId: string, kind: string, trigger: () =>
   )
 }
 
-// Each attach sends its commands after the response, so later counts start once every attach has sent them.
-function initialCommands(acp: Wire, sessionId: string, attaches: number) {
-  return acp.until(
-    () => acp.updates.filter((item) => item.sessionId === sessionId && commandNames(item)).length === attaches,
-    "initial commands",
-  )
-}
-
 function updateKinds(acp: Wire, since: number) {
   return acp.updates.slice(since).map((item) => [item.sessionId, item.update.sessionUpdate])
 }

packages/cli/test/acp/content.test.ts

@@ -80,12 +80,6 @@ describe("acp content conversion", () => {
     ])
   })
 
-  test("resource_link to another scheme becomes a markdown link", () => {
-    expect(contentBlockToParts({ type: "resource_link", uri: "https://example.com/spec", name: "spec" })).toEqual([
-      { type: "text", text: "[spec](https://example.com/spec)" },
-    ])
-  })
-
   test("resource_link zed path becomes a file URL part", () => {
     expect(
       contentBlockToParts({

packages/cli/test/acp/elicitation.test.ts

@@ -1,468 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import type { AnyMessage, AnyRequest, CreateElicitationResponse } from "@agentclientprotocol/sdk"
-import { ACPElicitation } from "../../src/acp/elicitation"
-import {
-  childCreated,
-  delivered,
-  durableEvent,
-  ephemeralEvent,
-  interrupted,
-  startSession,
-  succeeded,
-  textDelta,
-  toolStarted,
-  toolSucceeded,
-} from "./wire-fixture"
-
-const questions = (sessionID: string, id = "frm_question", tool = "call_question") =>
-  ephemeralEvent("form.created", {
-    form: {
-      id,
-      sessionID,
-      title: "Questions",
-      metadata: { kind: "question", tool: { messageID: "msg_tools", id: tool } },
-      fields: [
-        {
-          key: "q0",
-          title: "Runtime",
-          description: "Which runtime?",
-          type: "string",
-          options: [
-            { value: "Bun", label: "Bun", description: "Fast" },
-            { value: "Node", label: "Node", description: "Stable" },
-          ],
-          custom: true,
-        },
-        {
-          key: "q1",
-          title: "Goals",
-          description: "What matters?",
-          type: "multiselect",
-          options: [{ value: "Fast", label: "Fast", description: "Speed" }],
-          custom: true,
-        },
-      ],
-    },
-  })
-
-const capable = { childSessionUpdates: false, formElicitation: true }
-
-const form = (
-  fields: ACPElicitation.AskedForm["fields"],
-  metadata: ACPElicitation.AskedForm["metadata"] = { kind: "question" },
-) => ({ id: "frm_test", sessionID: "ses_test", title: "Test", metadata, fields })
-
-const accept = (content: Record<string, string | number | boolean | string[]>): CreateElicitationResponse => ({
-  action: "accept",
-  content,
-})
-
-const pendingUntilAborted = (_request: unknown, signal: AbortSignal) =>
-  new Promise<CreateElicitationResponse>((resolve) => {
-    signal.addEventListener("abort", () => resolve({ action: "cancel" }), { once: true })
-  })
-
-const firstElicitationCancel = (received: readonly AnyMessage[]): AnyMessage => {
-  const asked = received.find(
-    (message): message is AnyRequest =>
-      "method" in message && "id" in message && message.method === "elicitation/create",
-  )
-  return { jsonrpc: "2.0", method: "$/cancel_request", params: { requestId: asked?.id } }
-}
-
-describe("acp elicitation mapping", () => {
-  test("maps every representable field type", () => {
-    expect(
-      ACPElicitation.requestedSchema(
-        form([
-          {
-            key: "email",
-            title: "Email",
-            description: "Work address",
-            type: "string",
-            format: "email",
-            maxLength: 80,
-            pattern: ".+@.+",
-            placeholder: "you@example.com",
-            default: "a@b.co",
-            required: true,
-          },
-          { key: "name", type: "string", minLength: 2 },
-          {
-            key: "plan",
-            type: "string",
-            options: [
-              { value: "pro", label: "Pro", description: "Paid" },
-              { value: "free", label: "Free" },
-            ],
-            default: "free",
-          },
-          { key: "ratio", type: "number", minimum: 0, maximum: 1, default: 0.5 },
-          { key: "count", type: "integer", minimum: 1, required: true },
-          { key: "confirm", type: "boolean", default: false },
-          {
-            key: "tags",
-            type: "multiselect",
-            options: [
-              { value: "a", label: "A" },
-              { value: "b", label: "B" },
-            ],
-            maxItems: 2,
-            default: ["a"],
-            required: true,
-          },
-          { key: "server", type: "string", format: "uri", hidden: true, default: "https://example.com" },
-        ]),
-        capable,
-      ),
-    ).toEqual({
-      type: "object",
-      properties: {
-        email: {
-          type: "string",
-          title: "Email",
-          description: "Work address",
-          format: "email",
-          minLength: 1,
-          maxLength: 80,
-          pattern: ".+@.+",
-          default: "a@b.co",
-        },
-        name: { type: "string", minLength: 2 },
-        plan: {
-          type: "string",
-          oneOf: [
-            { const: "pro", title: "Pro", description: "Paid" },
-            { const: "free", title: "Free" },
-          ],
-          default: "free",
-        },
-        ratio: { type: "number", minimum: 0, maximum: 1, default: 0.5 },
-        count: { type: "integer", minimum: 1 },
-        confirm: { type: "boolean", default: false },
-        tags: {
-          type: "array",
-          items: {
-            anyOf: [
-              { const: "a", title: "A" },
-              { const: "b", title: "B" },
-            ],
-          },
-          minItems: 1,
-          maxItems: 2,
-          default: ["a"],
-        },
-      },
-      required: ["email", "count", "tags"],
-    })
-  })
-
-  test("adds a free-text property next to options that accept a custom answer", () => {
-    expect(
-      ACPElicitation.requestedSchema(
-        form([
-          {
-            key: "q0",
-            title: "Runtime",
-            type: "string",
-            options: [{ value: "Bun", label: "Bun" }],
-            custom: true,
-            maxLength: 20,
-          },
-          { key: "q1", type: "multiselect", options: [{ value: "Fast", label: "Fast" }], custom: true },
-        ]),
-        capable,
-      )?.properties,
-    ).toEqual({
-      q0: { type: "string", title: "Runtime", oneOf: [{ const: "Bun", title: "Bun" }] },
-      q0_custom: { type: "string", title: "Runtime (other)", description: "Type your own answer", maxLength: 20 },
-      q1: { type: "array", items: { anyOf: [{ const: "Fast", title: "Fast" }] } },
-      q1_custom: { type: "string", title: "q1 (other)", description: "Add your own answer" },
-    })
-  })
-
-  test("cancels forms from unsupported clients, unknown flows, and credential-looking fields", () => {
-    const fields: ACPElicitation.AskedForm["fields"] = [{ key: "name", type: "string" }]
-    expect(ACPElicitation.requestedSchema(form(fields), { ...capable, formElicitation: false })).toBeUndefined()
-    expect(ACPElicitation.requestedSchema(form(fields, { kind: "mcp-elicitation" }), capable)).toBeUndefined()
-    expect(ACPElicitation.requestedSchema(form(fields, {}), capable)).toBeUndefined()
-    expect(ACPElicitation.requestedSchema(form(fields, { kind: "websearch.provider" }), capable)).toBeDefined()
-    const credentials: Array<ACPElicitation.AskedForm["fields"]> = [
-      [{ key: "api_key", type: "string" }],
-      [{ key: "q0", title: "GitHub token", type: "string" }],
-      [{ key: "q0", title: "Password", type: "string", hidden: true, default: "" }],
-    ]
-    expect(credentials.map((fields) => ACPElicitation.requestedSchema(form(fields), capable))).toEqual(
-      credentials.map(() => undefined),
-    )
-  })
-
-  test("cancels forms it cannot represent faithfully", () => {
-    const options = [{ value: "a", label: "A" }]
-    const unrepresentable: Array<ACPElicitation.AskedForm["fields"]> = [
-      [
-        { key: "mode", type: "boolean" },
-        { key: "detail", type: "string", when: [{ key: "mode", op: "eq", value: true }] },
-      ],
-      [
-        { key: "mode", type: "boolean" },
-        { key: "detail", type: "string", hidden: true, default: "x", when: [{ key: "mode", op: "eq", value: true }] },
-      ],
-      [{ key: "login", type: "external", url: "https://example.com/login" }],
-      [{ key: "server", type: "string", hidden: true, required: true }],
-      [{ key: "pick", type: "string", options, custom: true, required: true }],
-      [{ key: "pick", type: "multiselect", options, custom: true, maxItems: 1 }],
-      [{ key: "pick", type: "string", options, default: "b" }],
-      [{ key: "pick", type: "multiselect", options, default: ["a", "b"] }],
-      [
-        { key: "pick", type: "string", options, custom: true },
-        { key: "pick_custom", type: "string" },
-      ],
-    ]
-    expect(unrepresentable.map((fields) => ACPElicitation.requestedSchema(form(fields), capable))).toEqual(
-      unrepresentable.map(() => undefined),
-    )
-    expect(
-      ACPElicitation.requestedSchema(
-        form([
-          { key: "name", type: "string" },
-          { key: "pick", type: "string", options, default: "b", hidden: true },
-        ]),
-        capable,
-      )?.properties,
-    ).toEqual({ name: { type: "string" } })
-  })
-
-  test("maps an accepted response back to answers", () => {
-    const options = [{ value: "a", label: "A" }]
-    const fields: ACPElicitation.AskedForm["fields"] = [
-      { key: "single", type: "string", options, custom: true },
-      { key: "multi", type: "multiselect", options, custom: true },
-      { key: "blank", type: "string", options, custom: true },
-      { key: "count", type: "integer" },
-      { key: "server", type: "string", hidden: true, default: "https://example.com" },
-      { key: "region", type: "string", hidden: true },
-    ]
-    expect(
-      ACPElicitation.answer(
-        form(fields),
-        accept({
-          single: "a",
-          single_custom: "typed",
-          multi: ["a"],
-          multi_custom: "extra",
-          blank: "a",
-          blank_custom: "  ",
-          count: 3,
-          server: "https://other.example.com",
-          unknown: true,
-        }),
-      ),
-    ).toEqual({
-      single: "typed",
-      multi: ["a", "extra"],
-      blank: "a",
-      count: 3,
-      server: "https://example.com",
-    })
-    expect(ACPElicitation.answer(form(fields), accept({ multi_custom: "only" }))).toEqual({
-      multi: ["only"],
-      server: "https://example.com",
-    })
-    expect(ACPElicitation.answer(form(fields), { action: "accept" })).toEqual({ server: "https://example.com" })
-  })
-
-  test("has no answer unless the user accepted valid content", () => {
-    const fields: ACPElicitation.AskedForm["fields"] = [{ key: "name", type: "string" }]
-    expect(ACPElicitation.answer(form(fields), { action: "decline" })).toBeUndefined()
-    expect(ACPElicitation.answer(form(fields), { action: "cancel" })).toBeUndefined()
-    expect(ACPElicitation.answer(form(fields), { action: "_custom" })).toBeUndefined()
-    expect(
-      ACPElicitation.answer(form(fields), { action: "accept", content: { name: { nested: true } } }),
-    ).toBeUndefined()
-  })
-})
-
-describe("acp elicitation over the wire", () => {
-  test("answers a question form through elicitation and continues the turn", async () => {
-    await using acp = await startSession({
-      capabilities: { elicitation: true },
-      onPrompt: ({ sessionID, id }) => [
-        delivered(sessionID, id),
-        toolStarted(sessionID, "call_question", "question"),
-        questions(sessionID),
-      ],
-      elicitation: () => accept({ q0: "Bun", q1: ["Fast"], q1_custom: "Small" }),
-      onFormReply: ({ sessionID, formID }) => [
-        ephemeralEvent("form.replied", { sessionID, id: formID, answer: {} }),
-        toolSucceeded(sessionID, "call_question", {}, "answered"),
-        textDelta(sessionID, "msg_after", "thanks"),
-        succeeded(sessionID),
-      ],
-    })
-
-    expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
-    expect(acp.elicitations).toMatchObject([
-      { mode: "form", sessionId: acp.sessionId, toolCallId: "call_question", message: "Questions" },
-    ])
-    expect(acp.server.repliedForms).toEqual([
-      { sessionID: acp.sessionId, formID: "frm_question", answer: { q0: "Bun", q1: ["Fast", "Small"] } },
-    ])
-    expect(acp.server.cancelledForms).toEqual([])
-    expect(acp.updates.some((item) => item.update.sessionUpdate === "agent_message_chunk")).toBe(true)
-  })
-
-  test("cancels the form when the client declines, cancels, fails, or sends a wrong value type", async () => {
-    const responses: Array<() => CreateElicitationResponse> = [
-      () => ({ action: "decline" }),
-      () => ({ action: "cancel" }),
-      () => {
-        throw new Error("elicitation UI failed")
-      },
-      () => ({ action: "accept", content: { q0: { nested: true } } }),
-    ]
-    const ids = ["frm_decline", "frm_cancel", "frm_fail", "frm_invalid"]
-    await using acp = await startSession({
-      capabilities: { elicitation: true },
-      onPrompt: ({ sessionID, id }) => [delivered(sessionID, id), ...ids.map((form) => questions(sessionID, form))],
-      elicitation: () => responses[acp.elicitations.length - 1](),
-      onFormCancel: ({ sessionID }) => (acp.server.cancelledForms.length === ids.length ? [succeeded(sessionID)] : []),
-    })
-
-    expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
-    expect(acp.elicitations).toHaveLength(ids.length)
-    expect(acp.server.cancelledForms.map((item) => item.formID)).toEqual(ids)
-    expect(acp.server.repliedForms).toEqual([])
-    expect(acp.server.interrupts).toEqual([])
-  })
-
-  test("cancels forms outside the allowed flows without asking", async () => {
-    await using acp = await startSession({
-      capabilities: { elicitation: true },
-      onPrompt: ({ sessionID, id }) => [
-        delivered(sessionID, id),
-        ephemeralEvent("form.created", {
-          form: {
-            id: "frm_plugin",
-            sessionID,
-            title: "Plugin",
-            metadata: { kind: "plugin" },
-            fields: [{ key: "name", type: "string" }],
-          },
-        }),
-      ],
-      onFormCancel: ({ sessionID }) => [succeeded(sessionID)],
-    })
-
-    expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
-    expect(acp.elicitations).toEqual([])
-    expect(acp.server.cancelledForms).toEqual([{ sessionID: acp.sessionId, formID: "frm_plugin" }])
-  })
-
-  test("cancelling the turn cancels its pending elicitation and the form, and never sends queued ones", async () => {
-    await using acp = await startSession({
-      capabilities: { elicitation: true },
-      onPrompt: ({ sessionID, id }) => [
-        delivered(sessionID, id),
-        questions(sessionID, "frm_pending"),
-        questions(sessionID, "frm_queued"),
-      ],
-      onInterrupt: ({ sessionID }) => [interrupted(sessionID)],
-      elicitation: pendingUntilAborted,
-    })
-
-    const prompt = acp.prompt(acp.sessionId, "hello")
-    await acp.until(() => acp.elicitations.length === 1, "elicitation request")
-    await acp.notify("session/cancel", { sessionId: acp.sessionId })
-
-    expect(await prompt).toMatchObject({ stopReason: "cancelled" })
-    await acp.until(() => acp.server.cancelledForms.length === 2, "form cancellation")
-    expect(acp.elicitations).toHaveLength(1)
-    expect(acp.server.cancelledForms.map((item) => item.formID)).toEqual(["frm_pending", "frm_queued"])
-    expect(acp.server.repliedForms).toEqual([])
-    expect(acp.received).toContainEqual(firstElicitationCancel(acp.received))
-  })
-
-  test("withdraws an elicitation for a form settled elsewhere and moves on to the next ask", async () => {
-    await using acp = await startSession({
-      capabilities: { elicitation: true },
-      onPrompt: ({ sessionID, id }) => [delivered(sessionID, id), questions(sessionID, "frm_elsewhere")],
-      elicitation: (request, signal) =>
-        acp.elicitations.length === 1 ? pendingUntilAborted(request, signal) : accept({ q0: "Node" }),
-      onFormReply: ({ sessionID }) => [succeeded(sessionID)],
-    })
-
-    const prompt = acp.prompt(acp.sessionId, "hello")
-    await acp.until(() => acp.elicitations.length === 1, "elicitation request")
-    acp.server.send(
-      ephemeralEvent("form.replied", { sessionID: acp.sessionId, id: "frm_elsewhere", answer: { q0: "Bun" } }),
-      questions(acp.sessionId, "frm_next"),
-    )
-
-    expect((await prompt).stopReason).toBe("end_turn")
-    expect(acp.received).toContainEqual(firstElicitationCancel(acp.received))
-    expect(acp.elicitations).toHaveLength(2)
-    expect(acp.server.repliedForms).toEqual([{ sessionID: acp.sessionId, formID: "frm_next", answer: { q0: "Node" } }])
-    expect(acp.server.cancelledForms).toEqual([])
-    expect(acp.server.interrupts).toEqual([])
-  })
-
-  test("leaves the session alone when the user's answer arrives after the form settled", async () => {
-    await using acp = await startSession({
-      capabilities: { elicitation: true },
-      onPrompt: ({ sessionID, id }) => [delivered(sessionID, id), questions(sessionID)],
-      elicitation: () => accept({ q0: "Bun" }),
-      fetch: (request) => {
-        if (!request.path.endsWith("/form/frm_question/reply")) return undefined
-        acp.server.send(succeeded(acp.sessionId))
-        return Response.json(
-          { _tag: "FormAlreadySettledError", id: "frm_question", message: "Form already settled: frm_question" },
-          { status: 409 },
-        )
-      },
-    })
-
-    expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
-    expect(acp.server.requests.filter((request) => request.path.endsWith("/reply"))).toHaveLength(1)
-    expect(acp.server.cancelledForms).toEqual([])
-    expect(acp.server.interrupts).toEqual([])
-  })
-
-  test("prefixes a foreground child form's tool call and message with the child", async () => {
-    await using acp = await startSession({
-      capabilities: { elicitation: true },
-      onPrompt: ({ sessionID, id }) => [
-        delivered(sessionID, id),
-        childCreated("ses_child", sessionID, "Review code"),
-        durableEvent("session.execution.started", { sessionID: "ses_child" }),
-        questions("ses_child", "frm_child", "call_child"),
-      ],
-      elicitation: () => accept({ q0: "Node" }),
-      onFormReply: ({ sessionID }) => [succeeded(sessionID), succeeded(acp.sessionId)],
-    })
-
-    expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
-    expect(acp.elicitations).toMatchObject([
-      { sessionId: acp.sessionId, toolCallId: "ses_child:call_child", message: "Review code: Questions" },
-    ])
-    expect(acp.server.repliedForms).toEqual([{ sessionID: "ses_child", formID: "frm_child", answer: { q0: "Node" } }])
-  })
-
-  test("omits the tool call when the child's tool calls only reach the client as child updates", async () => {
-    await using acp = await startSession({
-      capabilities: { elicitation: true, childSessionUpdates: true },
-      onPrompt: ({ sessionID, id }) => [
-        delivered(sessionID, id),
-        childCreated("ses_child", sessionID, "Review code"),
-        questions("ses_child", "frm_child", "call_child"),
-      ],
-      elicitation: () => accept({ q0: "Node" }),
-      onFormReply: ({ sessionID }) => [succeeded(sessionID), succeeded(acp.sessionId)],
-    })
-
-    expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
-    expect(acp.elicitations).toHaveLength(1)
-    expect(acp.elicitations[0]).toMatchObject({ sessionId: acp.sessionId, message: "Review code: Questions" })
-    expect(acp.elicitations[0]).not.toHaveProperty("toolCallId")
-  })
-})

packages/cli/test/acp/error.test.ts

@@ -12,12 +12,9 @@ describe("acp errors", () => {
       new ACPError.InvalidModelError({ providerId: "anthropic", modelId: "claude-missing" }),
       new ACPError.InvalidEffortError({ effort: "extreme" }),
       new ACPError.InvalidModeError({ mode: "turbo" }),
-      new ACPError.InvalidRequestError({ message: "Invalid session ID", field: "sessionID" }),
     ]
 
-    expect(cases.map((error) => ACPError.toRequestError(error).code)).toEqual([
-      -32602, -32602, -32602, -32602, -32602, -32602,
-    ])
+    expect(cases.map((error) => ACPError.toRequestError(error).code)).toEqual([-32602, -32602, -32602, -32602, -32602])
   })
 
   test("includes safe validation details", () => {
@@ -82,25 +79,6 @@ describe("acp error boundary over the wire", () => {
     ])
   })
 
-  test("maps rejected prompt submissions to invalid params with the server's message", async () => {
-    await using acp = await startSession({
-      fetch: (request) =>
-        request.method === "POST" && request.path.endsWith("/prompt")
-          ? Response.json(
-              { _tag: "InvalidRequestError", message: "File not readable: missing.png", field: "files" },
-              { status: 400 },
-            )
-          : undefined,
-    })
-
-    expect(await rpcError(acp.prompt(acp.sessionId, "hello"))).toEqual({
-      code: -32602,
-      message: "Invalid params: File not readable: missing.png",
-      data: { field: "files" },
-    })
-    expect(acp.logs).toEqual([])
-  })
-
   test("reports an unavailable server once the server stops", async () => {
     await using acp = await startSession()
     await acp.server.stop()

packages/cli/test/acp/lifecycle.subprocess.test.ts

@@ -17,20 +17,6 @@ describe("acp lifecycle subprocess", () => {
     expect(await acp.close()).toBe(0)
   }, 60_000)
 
-  test("an incoming message over the size limit exits with an error", async () => {
-    await using fixture = await createAcpFixture()
-    const acp = fixture.spawn()
-    await initialize(acp)
-    const [code] = await Promise.all([
-      acp.exited,
-      // The agent stops reading partway through the line, so the write may fail.
-      acp.notify("opencode/oversized", { data: "a".repeat(32 * 1024 * 1024) }).catch(() => undefined),
-    ])
-    await acp[Symbol.asyncDispose]()
-    expect(code).toBe(1)
-    expect(acp.stderr()).toContain("opencode acp: incoming message exceeded the 32 MiB limit\n")
-  }, 60_000)
-
   test("close capability and close request", async () => {
     await using fixture = await createAcpFixture()
     const acp = fixture.spawn()

packages/cli/test/acp/permission.test.ts

@@ -1,6 +1,5 @@
 import { describe, expect, test } from "bun:test"
 import type { AnyRequest, RequestPermissionResponse } from "@agentclientprotocol/sdk"
-import { Cause } from "effect"
 import fs from "node:fs/promises"
 import path from "node:path"
 import { tmpdir } from "../fixture/tmpdir"
@@ -133,33 +132,6 @@ describe("acp permissions over the wire", () => {
     expect(acp.server.replies).toEqual([{ sessionID: "ses_child", requestID: "perm_child", decision: "once" }])
   })
 
-  test("asks for a background child's permission after the parent turn ends without the child capability", async () => {
-    await using acp = await startSession({
-      onPrompt: ({ sessionID, id }) => turn(sessionID, id, childCreated("ses_background", sessionID, "Research")),
-      permission: allowOnce,
-    })
-
-    expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
-    acp.server.send(
-      durableEvent("session.execution.started", { sessionID: "ses_background" }),
-      permissionAsked("ses_background", "perm_background", {
-        action: "read",
-        metadata: { path: "/workspace/notes.md" },
-      }),
-    )
-    await acp.until(() => acp.server.replies.length === 1, "background permission reply")
-
-    expect(acp.permissions).toMatchObject([
-      {
-        sessionId: acp.sessionId,
-        toolCall: { toolCallId: "ses_background:perm_background", title: "Research: /workspace/notes.md" },
-      },
-    ])
-    expect(acp.server.replies).toEqual([
-      { sessionID: "ses_background", requestID: "perm_background", decision: "once" },
-    ])
-  })
-
   test("rejects explicit rejection, cancellation, and permission UI failure", async () => {
     await using acp = await startSession({
       onPrompt: ({ sessionID, id }) =>
@@ -187,23 +159,6 @@ describe("acp permissions over the wire", () => {
     ])
   })
 
-  test("logs a failed server reply and still answers later asks", async () => {
-    await using acp = await startSession({
-      onPrompt: ({ sessionID, id }) =>
-        turn(sessionID, id, permissionAsked(sessionID, "perm_failed"), permissionAsked(sessionID, "perm_next")),
-      fetch: (request) =>
-        request.path.endsWith("/permission/perm_failed/reply") ? new Response(null, { status: 500 }) : undefined,
-      permission: allowOnce,
-    })
-
-    expect(await acp.prompt(acp.sessionId, "hello")).toMatchObject({ stopReason: "end_turn" })
-    expect(acp.permissions.map((request) => request.toolCall.toolCallId)).toEqual(["perm_failed", "perm_next"])
-    expect(decisions(acp)).toEqual([["perm_next", "once"]])
-    expect(acp.logs.map((log) => ({ message: log.message, cause: Cause.squash(log.cause) }))).toMatchObject([
-      { message: ["ACP permission reply failed"], cause: { name: "ClientError", reason: "UnexpectedStatus" } },
-    ])
-  })
-
   test("serializes permission requests and replies within one session", async () => {
     const releaseFirst = Promise.withResolvers<RequestPermissionResponse>()
     await using acp = await startSession({
@@ -230,34 +185,6 @@ describe("acp permissions over the wire", () => {
     ])
   })
 
-  test("keeps streaming other children while one child's permission is pending", async () => {
-    const release = Promise.withResolvers<RequestPermissionResponse>()
-    await using acp = await startSession({
-      onPrompt: ({ sessionID, id }) =>
-        turn(
-          sessionID,
-          id,
-          childCreated("ses_a", sessionID, "A"),
-          childCreated("ses_b", sessionID, "B"),
-          permissionAsked("ses_a", "perm_a"),
-          textDelta("ses_b", "msg_b", "still streaming"),
-          succeeded("ses_b"),
-          succeeded("ses_a"),
-        ),
-      permission: () => release.promise,
-    })
-
-    const prompt = acp.prompt(acp.sessionId, "hello")
-    await acp.waitForUpdate((item) => item.update.sessionUpdate === "agent_message_chunk", "child B's chunk")
-    await acp.until(() => acp.permissions.length === 1, "child A's permission")
-
-    expect(acp.permissions.map((request) => request.toolCall.toolCallId)).toEqual(["ses_a:perm_a"])
-    expect(acp.server.replies).toEqual([])
-    release.resolve({ outcome: { outcome: "selected", optionId: "once" } })
-    expect((await prompt).stopReason).toBe("end_turn")
-    expect(decisions(acp)).toEqual([["perm_a", "once"]])
-  })
-
   test("does not let one session's blocked permission stall another session", async () => {
     const releaseBlocked = Promise.withResolvers<RequestPermissionResponse>()
     await using acp = await startWire({ onPrompt: () => undefined, permission: () => releaseBlocked.promise })
@@ -324,32 +251,6 @@ describe("acp permissions over the wire", () => {
       params: { requestId: asked?.id },
     })
   })
-
-  test("rejects asks queued behind a cancelled one without sending them to the client", async () => {
-    await using acp = await startSession({
-      onPrompt: ({ sessionID, id }) => [
-        delivered(sessionID, id),
-        permissionAsked(sessionID, "perm_pending"),
-        permissionAsked(sessionID, "perm_queued"),
-      ],
-      onInterrupt: ({ sessionID }) => [interrupted(sessionID)],
-      permission: (_request, signal) =>
-        new Promise((resolve) => {
-          signal.addEventListener("abort", () => resolve({ outcome: { outcome: "cancelled" } }), { once: true })
-        }),
-    })
-
-    const prompt = acp.prompt(acp.sessionId, "hello")
-    await acp.until(() => acp.permissions.length === 1, "permission request")
-    await acp.notify("session/cancel", { sessionId: acp.sessionId })
-
-    expect(await prompt).toMatchObject({ stopReason: "cancelled" })
-    expect(acp.permissions.map((request) => request.toolCall.toolCallId)).toEqual(["perm_pending"])
-    expect(decisions(acp)).toEqual([
-      ["perm_pending", "reject"],
-      ["perm_queued", "reject"],
-    ])
-  })
 })
 
 describe("acp edit previews over the wire", () => {
@@ -445,36 +346,6 @@ describe("acp edit previews over the wire", () => {
     })
   })
 
-  test("asks without previews when a patch does not apply to the current file", async () => {
-    await using dir = await tmpdir()
-    await fs.writeFile(path.join(dir.path, "first.ts"), "changed\n")
-    const patchText = ["*** Begin Patch", "*** Update File: first.ts", "@@", "-one", "+two", "*** End Patch"].join("\n")
-    await using acp = await startWire({
-      onPrompt: ({ sessionID, id }) => [
-        delivered(sessionID, id),
-        toolStarted(sessionID, "call_patch", "patch"),
-        toolCalled(sessionID, "call_patch", { patchText }),
-        permissionAsked(sessionID, "perm_patch", {
-          action: "edit",
-          source: { type: "tool", messageID: "msg_patch", id: "call_patch" },
-        }),
-      ],
-      onPermissionReply: ({ sessionID }) => [succeeded(sessionID)],
-      permission: allowOnce,
-    })
-    await acp.initialize()
-    const session = await acp.newSession(dir.path)
-
-    await acp.prompt(session.sessionId, "hello")
-
-    expect(acp.permissions[0]?.toolCall).toMatchObject({
-      kind: "edit",
-      locations: [{ path: path.join(dir.path, "first.ts") }],
-    })
-    expect(acp.permissions[0]?.toolCall.content).toBeUndefined()
-    expect(decisions(acp)).toEqual([["perm_patch", "once"]])
-  })
-
   test("reports the same absolute locations for a moved file in the permission and tool updates", async () => {
     await using dir = await tmpdir()
     await fs.writeFile(path.join(dir.path, "old.ts"), "one\n")