refactor(core): decouple session version

Merge remote-tracking branch 'origin/v2' into client-service
# Conflicts: # packages/core/src/session/generate-node.ts # packages/core/src/session/title.ts # packages/util/src/observability.ts
2026-07-24 11:46:17 +00:00 · 2026-07-21 14:07:25 -04:00 · 2026-07-21 13:10:07 -04:00 · 2026-07-21 12:58:16 -04:00
536 changed files with 8697 additions and 24352 deletions
@@ -1,8 +0,0 @@
---
-"@opencode-ai/plugin": minor
-"@opencode-ai/sdk": minor
-"@opencode-ai/client": minor
-"@opencode-ai/protocol": minor
---
-
-Replace the V2 tool result model with one canonical representation per fact. Tools lose `structured`, projection callbacks, the `Structured` generic, and the exported `Tool.settle` interpreter; tool responses carry schema-validated `output`, model-visible `content`, and optional compact JSON `metadata`. Code Mode receives the validated encoded output. Durable tool success stores non-empty model content plus optional metadata; failure stores one error plus the final bounded partial snapshot. Progress carries metadata only, while `execute.after` hooks receive the canonical terminal outcome and managed `outputPaths`. A one-time migration rewrites existing projected tool rows and moves provider-hosted result payloads into provider-owned result state.
@@ -90,18 +90,11 @@ jobs:
          opencode-app-id: ${{ vars.OPENCODE_APP_ID }}
          opencode-app-secret: ${{ secrets.OPENCODE_APP_SECRET }}

-      - name: Build legacy CLI
-        if: github.ref_name != 'v2'
-        run: ./packages/opencode/script/build.ts ${{ (github.ref_name == 'beta' && '--sourcemaps') || '' }}
-        env:
-          OPENCODE_VERSION: ${{ needs.version.outputs.version }}
-          OPENCODE_RELEASE: ${{ needs.version.outputs.release }}
-          GH_REPO: ${{ needs.version.outputs.repo }}
-          GH_TOKEN: ${{ steps.committer.outputs.token }}
-
-      - name: Build preview CLI
+      - name: Build
        id: build
-        run: ./packages/cli/script/build.ts ${{ (github.ref_name == 'beta' && '--sourcemaps') || '' }}
+        run: |
+          ./packages/opencode/script/build.ts ${{ (github.ref_name == 'beta' && '--sourcemaps') || '' }}
+          ./packages/cli/script/build.ts ${{ (github.ref_name == 'beta' && '--sourcemaps') || '' }}
        env:
          OPENCODE_VERSION: ${{ needs.version.outputs.version }}
          OPENCODE_RELEASE: ${{ needs.version.outputs.release }}
@@ -109,7 +102,6 @@ jobs:
          GH_TOKEN: ${{ steps.committer.outputs.token }}

      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
-        if: github.ref_name != 'v2'
        with:
          name: opencode-cli
          path: |
@@ -117,7 +109,6 @@ jobs:
            packages/opencode/dist/opencode-linux*

      - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
-        if: github.ref_name != 'v2'
        with:
          name: opencode-cli-windows
          path: packages/opencode/dist/opencode-windows*
@@ -500,13 +491,11 @@ jobs:
          registry-url: "https://registry.npmjs.org"

      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
-        if: github.ref_name != 'v2'
        with:
          name: opencode-cli
          path: packages/opencode/dist

      - uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4.3.0
-        if: github.ref_name != 'v2'
        with:
          name: opencode-cli-windows
          path: packages/opencode/dist
@@ -97,11 +97,6 @@ jobs:
        working-directory: packages/client
        run: bun run check:generated

-      - name: Check generated documentation
-        if: runner.os == 'Linux'
-        working-directory: packages/docs
-        run: bun run check:generated
-
  e2e:
    name: e2e (${{ matrix.settings.name }})
    if: github.ref_name != 'v2' && github.head_ref != 'v2'
@@ -1,68 +0,0 @@
---
-name: ideal-pseudocode
-description: Function-by-function refactoring loop driven by ideal pseudocode. Use when the user says "ideal pseudocode", asks to make a function read like its pseudocode, or wants a dense module cleaned up one function at a time.
---
-
-# Ideal Pseudocode
-
-Clean up one function at a time by writing the pseudocode it _should_ read as, naming every delta between that and the real code, and closing only the gaps the user approves.
-
-## Loop
-
-One function per round. Never touch code before the user picks a direction.
-
-1. **Pick the target** with the user — usually the next function up or down the call chain from the last round.
-2. **Read the current code** fresh from disk. It may have unsaved or parallel edits; ask before overwriting anything unexpected.
-3. **Distill.** Write the function's ideal pseudocode in a `ts`-fenced code block — TypeScript-flavored for syntax highlighting, but pseudocode: comments over mechanics, one line per idea, every arm of a loop visible as an arm. For a dense or unfamiliar function, first show the _current_ structure as pseudocode, then the ideal.
-4. **Name the deltas.** A numbered list; each delta is one concrete gap: control flow smuggled through combinators, a flag-typed parameter, colliding names, side-effect plumbing drowning a loop body, twin functions differing only by a filter. For each, give an honest cost/benefit and a decisive recommendation — including "leave it" when the density has reasons (state the reasons).
-5. **Verify before proposing.** Any API the proposal builds on (a combinator, schedule, matcher) gets checked against the installed version's source, not memory.
-6. **Get buy-in, then apply.** Minimal edits. Quarantine irreducible ugliness inside a small helper whose name is the pseudocode line it implements. Collapse shallow sibling functions into one deep function only when the distinguishing argument is a domain noun, not a behavior switch.
-7. **Validate.** Typecheck and the focused test suites from the package directory; rerun timing-sensitive tests repeatedly. Flag any semantic change the restructure introduced, even when tests pass.
-8. **Offer the next target** and stop.
-
-## Style
-
- Keep each round tight: pseudocode block, deltas, recommendation, one question.
- State mutation belongs in one visible place (usually the loop tail), never spread across error channels or callback closures.
- Prefer early return and `if` chains for control flow; matchers are for producing values.
- Compare names against the question each caller is actually asking; rename toward the domain noun.
-
-## Example round
-
-Every round should read like this (abridged from a real one, on an Effect step-runner):
-
-> `runStep` it is. The ideal pseudocode:
->
-> ```ts
-> // One logical step: one settled model call, however many attempts it takes.
-> // An attempt can end without settling in two ways:
-> //   transient provider failure -> retry the same call, same assistant message
-> //   compaction rewrote history -> rebuild the request and call again
-> function runStep(session, promotable, step) {
->   while (true) {
->     const result = callModel(session, promotable, step)
->
->     if (result.completed) return result
->
->     if (result.retryable) {
->       wait(retrySchedule) // exhausted -> publish Step.Failed, fail drain
->       promotable = none // never re-promote on a second attempt
->       continue
->     }
->
->     // compaction restarted the step: fresh request from rewritten history
->     promotable = none
->     step = result.step
->   }
-> }
-> ```
->
-> Comparing against the real thing, three deltas:
->
-> 1. **The retry arm doesn't live in the loop.** In the pseudocode, retry is just another loop arm. In the real code it's smuggled through the error channel: `Effect.tapError` mutating loop variables via `Effect.sync` closures, then `Effect.retryOrElse` re-running a suspended call. Four mutable variables mutated from three different places — the state flow is invisible unless you already know the trick.
-> 2. **`recoverOverflow: typeof compaction.compact | undefined`** — a function-typed parameter used as a one-shot armed/disarmed flag. The callee already closes over `compaction`; a boolean says what it is.
-> 3. **`assistantMessageID`** exists solely to resume the same durable message across retries — fine, but only legible once the retry arm is visible in the loop.
->
-> The unifying move for (1): a schedule driver, so a retryable failure becomes a caught value handled in the loop body exactly like the compaction arm. One honest trade: it's more manual than the blessed combinator — but the manual version is the loop the combinator was hiding, and the loop already exists for restarts. Two restart mechanisms, one control structure.
->
-> Want me to apply it — unified loop, simplified schedule input, boolean `recoverOverflow`?
@@ -61,7 +61,6 @@
        "@dnd-kit/helpers": "0.5.0",
        "@dnd-kit/solid": "0.5.0",
        "@kobalte/core": "catalog:",
-        "@opencode-ai/client": "file:vendor/opencode-ai-client-1.17.13.tgz",
        "@opencode-ai/core": "workspace:*",
        "@opencode-ai/schema": "workspace:*",
        "@opencode-ai/sdk": "workspace:*",
@@ -125,7 +124,7 @@
        "opencode2": "./bin/opencode2.cjs",
      },
      "dependencies": {
-        "@agentclientprotocol/sdk": "1.2.1",
+        "@agentclientprotocol/sdk": "0.21.0",
        "@effect/platform-node": "catalog:",
        "@opencode-ai/client": "workspace:*",
        "@opencode-ai/plugin": "workspace:*",
@@ -351,7 +350,7 @@
        "@ai-sdk/google": "3.0.73",
        "@ai-sdk/google-vertex": "4.0.128",
        "@ai-sdk/groq": "3.0.31",
-        "@ai-sdk/mistral": "3.0.51",
+        "@ai-sdk/mistral": "3.0.27",
        "@ai-sdk/openai": "3.0.84",
        "@ai-sdk/openai-compatible": "2.0.41",
        "@ai-sdk/perplexity": "3.0.26",
@@ -363,7 +362,7 @@
        "@aws-sdk/credential-providers": "3.1057.0",
        "@effect/platform-node": "catalog:",
        "@effect/sql-sqlite-bun": "catalog:",
-        "@ff-labs/fff-bun": "0.10.1",
+        "@ff-labs/fff-bun": "0.9.4",
        "@lydell/node-pty": "catalog:",
        "@modelcontextprotocol/sdk": "1.29.0",
        "@opencode-ai/ai": "workspace:*",
@@ -471,9 +470,7 @@
    "packages/docs": {
      "name": "@opencode-ai/docs",
      "devDependencies": {
-        "effect": "catalog:",
        "mint": "4.2.666",
-        "prettier": "3.6.2",
      },
    },
    "packages/effect-drizzle-sqlite": {
@@ -709,7 +706,6 @@
      "version": "1.18.4",
      "dependencies": {
        "@kobalte/core": "catalog:",
-        "@opencode-ai/client": "file:../app/vendor/opencode-ai-client-1.17.13.tgz",
        "@opencode-ai/core": "workspace:*",
        "@opencode-ai/sdk": "workspace:*",
        "@opencode-ai/ui": "workspace:*",
@@ -964,20 +960,6 @@
        "solid-js": "^1.9.0",
      },
    },
-    "packages/updates": {
-      "name": "@opencode-ai/updates",
-      "version": "1.18.4",
-      "dependencies": {
-        "jose": "6.0.11",
-      },
-      "devDependencies": {
-        "@cloudflare/workers-types": "catalog:",
-        "@tsconfig/node22": "catalog:",
-        "@types/bun": "catalog:",
-        "@typescript/native-preview": "catalog:",
-        "wrangler": "4.110.0",
-      },
-    },
    "packages/util": {
      "name": "@opencode-ai/util",
      "version": "1.18.3",
@@ -1083,7 +1065,6 @@
    "@ai-sdk/xai@3.0.102": "patches/@ai-sdk%2Fxai@3.0.102.patch",
    "@modelcontextprotocol/sdk@1.29.0": "patches/@modelcontextprotocol%2Fsdk@1.29.0.patch",
    "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch",
-    "@ai-sdk/mistral@3.0.51": "patches/@ai-sdk%2Fmistral@3.0.51.patch",
    "@npmcli/agent@4.0.2": "patches/@npmcli%2Fagent@4.0.2.patch",
    "@silvia-odwyer/photon-node@0.3.4": "patches/@silvia-odwyer%2Fphoton-node@0.3.4.patch",
    "solid-js@1.9.10": "patches/solid-js@1.9.10.patch",
@@ -1178,7 +1159,7 @@

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-    "@agentclientprotocol/sdk": ["@agentclientprotocol/sdk@1.2.1", "", { "peerDependencies": { "zod": "^3.25.0 || ^4.0.0" } }, "sha512-jwYUdOQR7tc+Zfch53VL4JJyUNK/46q03uUTYb+PjECsmnNl94XFXOfYLJ8RBpMNidXd1rpOAVgb0vqD98xImA=="],
+    "@agentclientprotocol/sdk": ["@agentclientprotocol/sdk@0.21.0", "", { "peerDependencies": { "zod": "^3.25.0 || ^4.0.0" } }, "sha512-ONj+Q8qOdNQp5XbH5jnMwzT9IKZJsSN0p0lkceS4GtUtNOPVLpNzSS8gqQdGMKfBvA0ESbkL8BTaSN1Rc9miEw=="],

    "@ai-sdk/alibaba": ["@ai-sdk/alibaba@1.0.17", "", { "dependencies": { "@ai-sdk/openai-compatible": "2.0.41", "@ai-sdk/provider": "3.0.8", "@ai-sdk/provider-utils": "4.0.23" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-ZbE+U5bWz2JBc5DERLowx5+TKbjGBE93LqKZAWvuEn7HOSQMraxFMZuc0ST335QZJAyfBOzh7m1mPQ+y7EaaoA=="],

@@ -1210,7 +1191,7 @@

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+    "@ai-sdk/mistral": ["@ai-sdk/mistral@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-ZXe7nZQgliDdjz5ufH5RKpHWxbN72AzmzzKGbF/z+0K9GN5tUCnftrQRvTRFHA5jAzTapcm2BEevmGLVbMkW+A=="],

    "@ai-sdk/openai": ["@ai-sdk/openai@3.0.48", "", { "dependencies": { "@ai-sdk/provider": "3.0.8", "@ai-sdk/provider-utils": "4.0.21" }, "peerDependencies": { "zod": "^3.25.76 || ^4.1.8" } }, "sha512-ALmj/53EXpcRqMbGpPJPP4UOSWw0q4VGpnDo7YctvsynjkrKDmoneDG/1a7VQnSPYHnJp6tTRMf5ZdxZ5whulg=="],

@@ -1646,25 +1627,23 @@

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+    "@ff-labs/fff-bin-darwin-arm64": ["@ff-labs/fff-bin-darwin-arm64@0.9.4", "", { "os": "darwin", "cpu": "arm64" }, "sha512-xyivu2xB++O5xXDx5Qm50JsU2aXt8YgXlGVhH/HE7UMYDrE6L6f1RYdYs8Y0bn0D3D0+bFBrN5ELPszK9E4Wbw=="],

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-
    "@opencode-ai/www/@cloudflare/vite-plugin/@cloudflare/unenv-preset/workerd/@cloudflare/workerd-darwin-64": ["@cloudflare/workerd-darwin-64@1.20260708.1", "", { "os": "darwin", "cpu": "x64" }, "sha512-HXFCvhS1wpg3uXO0CLUwmwC41i2loM5FSK69EUchOBpmYBAXxT1oHLm6EOA5lqhTk5Mu9kjRiQYxa1GwKPwfJg=="],

    "@opencode-ai/www/@cloudflare/vite-plugin/@cloudflare/unenv-preset/workerd/@cloudflare/workerd-darwin-arm64": ["@cloudflare/workerd-darwin-arm64@1.20260708.1", "", { "os": "darwin", "cpu": "arm64" }, "sha512-JVlJaKDoRTVKSroHIlf8g3UCPjKj4iDbMZE2CNYht5qQ+2rL0FAUiVlV82G3BqKnnw9kHYnnsMzC08b9zVtdzA=="],
@@ -9288,8 +9139,6 @@

    "@mintlify/common/sucrase/glob/minimatch/brace-expansion/balanced-match": ["balanced-match@1.0.2", "", {}, "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="],

-    "@opencode-ai/updates/wrangler/miniflare/sharp/@img/sharp-wasm32/@emnapi/runtime": ["@emnapi/runtime@1.11.2", "", { "dependencies": { "tslib": "^2.4.0" } }, "sha512-kyOl3X0DuTiT1h2ft8r2fYO8JYtU9a9Xis/zBSiGArNaagCOWx90N1k2wxp18czFDH+OgcWGb5ZP/XMt3dcyPA=="],
-
    "@opencode-ai/www/@cloudflare/vite-plugin/miniflare/sharp/@img/sharp-wasm32/@emnapi/runtime": ["@emnapi/runtime@1.11.2", "", { "dependencies": { "tslib": "^2.4.0" } }, "sha512-kyOl3X0DuTiT1h2ft8r2fYO8JYtU9a9Xis/zBSiGArNaagCOWx90N1k2wxp18czFDH+OgcWGb5ZP/XMt3dcyPA=="],

    "@opencode-ai/www/wrangler/miniflare/sharp/@img/sharp-wasm32/@emnapi/runtime": ["@emnapi/runtime@1.11.2", "", { "dependencies": { "tslib": "^2.4.0" } }, "sha512-kyOl3X0DuTiT1h2ft8r2fYO8JYtU9a9Xis/zBSiGArNaagCOWx90N1k2wxp18czFDH+OgcWGb5ZP/XMt3dcyPA=="],
@@ -1,8 +1,8 @@
 {
  "nodeModules": {
-    "x86_64-linux": "sha256-0kcwV34P2C3yKg2eG9W2nW+OedrSBb+1TdpuUeYtauY=",
-    "aarch64-linux": "sha256-yHVygApQchAB34wrtFR4GU0CkmZOlLsl3wsp15u0xzs=",
-    "aarch64-darwin": "sha256-DyalcwyK2Wn5R6249keFcNVECbgtjYNjscOFqTi88FI=",
-    "x86_64-darwin": "sha256-BkGw0GWN9W9q+/g4FYR0MqxUuFP80BPoERO+ypz/arQ="
+    "x86_64-linux": "sha256-qt11SKmOjq0KU542QFbs+u7YyJicn4drCcwCdg325yk=",
+    "aarch64-linux": "sha256-z68doReXTrWS7HeiAjc0btIjAsvzeZZ7hXAlHr0c77Q=",
+    "aarch64-darwin": "sha256-PILYH1Pi8XBvSkuZ+1sNnUTao5kba+m5Z8iJKx6YXPo=",
+    "x86_64-darwin": "sha256-KpcJzP4m0SUavu/WaSffgzOxrHq8ljdy0GOzs9p16lo="
  }
 }
@@ -155,12 +155,12 @@
    "@types/node": "catalog:"
  },
  "patchedDependencies": {
+    "@ff-labs/fff-bun@0.9.3": "patches/@ff-labs%2Ffff-bun@0.9.3.patch",
    "@npmcli/agent@4.0.2": "patches/@npmcli%2Fagent@4.0.2.patch",
    "@silvia-odwyer/photon-node@0.3.4": "patches/@silvia-odwyer%2Fphoton-node@0.3.4.patch",
    "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch",
    "solid-js@1.9.10": "patches/solid-js@1.9.10.patch",
    "@ai-sdk/xai@3.0.102": "patches/@ai-sdk%2Fxai@3.0.102.patch",
-    "@ai-sdk/mistral@3.0.51": "patches/@ai-sdk%2Fmistral@3.0.51.patch",
    "gcp-metadata@8.1.2": "patches/gcp-metadata@8.1.2.patch",
    "pacote@21.5.0": "patches/pacote@21.5.0.patch",
    "@ai-sdk/google@3.0.73": "patches/@ai-sdk%2Fgoogle@3.0.73.patch",
@@ -78,10 +78,7 @@ const streamText = LLM.stream(request).pipe(
  Stream.tap((event) =>
    Effect.sync(() => {
      if (event.type === "text-delta") process.stdout.write(`\ntext: ${event.text}`)
-      if (event.type === "finish")
-        process.stdout.write(
-          `\nfinish: ${event.reason.normalized}${event.reason.raw ? ` (${event.reason.raw})` : ""}\n`,
-        )
+      if (event.type === "finish") process.stdout.write(`\nfinish: ${event.reason}\n`)
    }),
  ),
  Stream.runDrain,
@@ -197,7 +194,7 @@ const FakeProtocol = Protocol.make<FakeBody, string, string, void>({
    event: Schema.String,
    initial: () => undefined,
    step: (_, frame) => Effect.succeed([undefined, [{ type: "text-delta", id: "text-0", text: frame }]] as const),
-    onHalt: () => [{ type: "finish", reason: { normalized: "stop" } }],
+    onHalt: () => [{ type: "finish", reason: "stop" }],
  },
 })

@@ -81,7 +81,7 @@ const GENERATE_OBJECT_TOOL_NAME = "generate_object"

 const GENERATE_OBJECT_TOOL_DESCRIPTION = "Return the structured result by calling this tool."

-type GenerateObjectBase = Omit<RequestInput, "tools" | "toolChoice">
+type GenerateObjectBase = Omit<RequestInput, "tools" | "toolChoice" | "responseFormat">

 export class GenerateObjectResponse<T> {
  constructor(
@@ -27,7 +27,6 @@ import { ToolSchemaProjection } from "./utils/tool-schema"
 import { ToolStream } from "./utils/tool-stream"

 const ADAPTER = "anthropic-messages"
-const MEDIA_MIMES = new Set<string>([...ProviderShared.IMAGE_MIMES, ...ProviderShared.PDF_MIMES])
 export const DEFAULT_BASE_URL = "https://api.anthropic.com/v1"
 export const PATH = "/messages"

@@ -57,17 +56,6 @@ const AnthropicImageBlock = Schema.Struct({
 })
 type AnthropicImageBlock = Schema.Schema.Type<typeof AnthropicImageBlock>

-const AnthropicDocumentBlock = Schema.Struct({
-  type: Schema.tag("document"),
-  source: Schema.Struct({
-    type: Schema.tag("base64"),
-    media_type: Schema.Literal("application/pdf"),
-    data: Schema.String,
-  }),
-  cache_control: Schema.optional(AnthropicCacheControl),
-})
-type AnthropicDocumentBlock = Schema.Schema.Type<typeof AnthropicDocumentBlock>
-
 const AnthropicThinkingBlock = Schema.Struct({
  type: Schema.tag("thinking"),
  thinking: Schema.String,
@@ -75,15 +63,6 @@ const AnthropicThinkingBlock = Schema.Struct({
  cache_control: Schema.optional(AnthropicCacheControl),
 })

-// Safety-filtered thinking arrives as an opaque encrypted `data` payload with
-// no visible text. It must round-trip verbatim so multi-turn thinking + tool
-// use conversations keep their reasoning continuity.
-const AnthropicRedactedThinkingBlock = Schema.Struct({
-  type: Schema.tag("redacted_thinking"),
-  data: Schema.String,
-  cache_control: Schema.optional(AnthropicCacheControl),
-})
-
 const AnthropicToolUseBlock = Schema.Struct({
  type: Schema.tag("tool_use"),
  id: Schema.String,
@@ -122,10 +101,13 @@ const AnthropicServerToolResultBlock = Schema.Struct({
 })
 type AnthropicServerToolResultBlock = Schema.Schema.Type<typeof AnthropicServerToolResultBlock>

-// Anthropic accepts either a plain string or an ordered array of text, image, and
-// document blocks inside `tool_result.content`. The array form keeps media as native
-// model input instead of JSON-stringifying base64 into prompt text.
-const AnthropicToolResultContent = Schema.Union([AnthropicTextBlock, AnthropicImageBlock, AnthropicDocumentBlock])
+// Anthropic accepts either a plain string or an ordered array of text/image
+// blocks inside `tool_result.content`. The array form is required when a tool
+// returns image bytes (screenshot, image search, etc.) so they can be passed
+// to the model as proper image inputs instead of being JSON-stringified into
+// the prompt — which silently inflates context by megabytes and can push the
+// conversation over the model's token limit.
+const AnthropicToolResultContent = Schema.Union([AnthropicTextBlock, AnthropicImageBlock])

 const AnthropicToolResultBlock = Schema.Struct({
  type: Schema.tag("tool_result"),
@@ -135,17 +117,11 @@ const AnthropicToolResultBlock = Schema.Struct({
  cache_control: Schema.optional(AnthropicCacheControl),
 })

-const AnthropicUserBlock = Schema.Union([
-  AnthropicTextBlock,
-  AnthropicImageBlock,
-  AnthropicDocumentBlock,
-  AnthropicToolResultBlock,
-])
+const AnthropicUserBlock = Schema.Union([AnthropicTextBlock, AnthropicImageBlock, AnthropicToolResultBlock])
 type AnthropicUserBlock = Schema.Schema.Type<typeof AnthropicUserBlock>
 const AnthropicAssistantBlock = Schema.Union([
  AnthropicTextBlock,
  AnthropicThinkingBlock,
-  AnthropicRedactedThinkingBlock,
  AnthropicToolUseBlock,
  AnthropicServerToolUseBlock,
  AnthropicServerToolResultBlock,
@@ -169,7 +145,7 @@ const AnthropicTool = Schema.Struct({
 type AnthropicTool = Schema.Schema.Type<typeof AnthropicTool>

 const AnthropicToolChoice = Schema.Union([
-  Schema.Struct({ type: Schema.Literals(["auto", "any", "none"]) }),
+  Schema.Struct({ type: Schema.Literals(["auto", "any"]) }),
  Schema.Struct({ type: Schema.tag("tool"), name: Schema.String }),
 ])

@@ -224,9 +200,6 @@ const AnthropicStreamBlock = Schema.Struct({
  text: Schema.optional(Schema.String),
  thinking: Schema.optional(Schema.String),
  signature: Schema.optional(Schema.String),
-  // redacted_thinking blocks arrive whole in content_block_start with the
-  // encrypted payload in `data`; there is no streaming delta sequence.
-  data: Schema.optional(Schema.String),
  input: Schema.optional(Schema.Unknown),
  // *_tool_result blocks arrive whole as content_block_start (no streaming
  // delta) with the structured payload in `content` and the originating
@@ -300,12 +273,6 @@ const signatureFromMetadata = (metadata: ProviderMetadata | undefined): string |
  return typeof anthropic.signature === "string" ? anthropic.signature : undefined
 }

-const redactedDataFromMetadata = (metadata: ProviderMetadata | undefined): string | undefined => {
-  const anthropic = metadata?.anthropic
-  if (!ProviderShared.isRecord(anthropic)) return undefined
-  return typeof anthropic.redactedData === "string" ? anthropic.redactedData : undefined
-}
-
 const lowerTool = (breakpoints: Cache.Breakpoints, tool: ToolDefinition, inputSchema: JsonSchema): AnthropicTool => ({
  name: tool.name,
  description: tool.description,
@@ -316,7 +283,7 @@ const lowerTool = (breakpoints: Cache.Breakpoints, tool: ToolDefinition, inputSc
 const lowerToolChoice = (toolChoice: NonNullable<LLMRequest["toolChoice"]>) =>
  ProviderShared.matchToolChoice("Anthropic Messages", toolChoice, {
    auto: () => ({ type: "auto" as const }),
-    none: () => ({ type: "none" as const }),
+    none: () => undefined,
    required: () => ({ type: "any" as const }),
    tool: (name) => ({ type: "tool" as const, name }),
  })
@@ -349,23 +316,15 @@ const lowerServerToolResult = Effect.fn("AnthropicMessages.lowerServerToolResult
  const wireType = serverToolResultType(part.name)
  if (!wireType)
    return yield* invalid(`Anthropic Messages does not know how to round-trip server tool result for ${part.name}`)
-  // Prefer the provider-owned replay payload; fall back to the result value for
-  // histories constructed directly from provider events.
-  const payload = part.providerMetadata?.anthropic?.["result"] ?? part.result.value
-  return { type: wireType, tool_use_id: part.id, content: payload } satisfies AnthropicServerToolResultBlock
+  return { type: wireType, tool_use_id: part.id, content: part.result.value } satisfies AnthropicServerToolResultBlock
 })

-const lowerMedia = Effect.fn("AnthropicMessages.lowerMedia")(function* (part: MediaPart) {
-  const media = yield* ProviderShared.validateMedia("Anthropic Messages", part, MEDIA_MIMES)
-  if (media.mime === "application/pdf")
-    return {
-      type: "document" as const,
-      source: {
-        type: "base64" as const,
-        media_type: "application/pdf" as const,
-        data: media.base64,
-      },
-    } satisfies AnthropicDocumentBlock
+const lowerImage = Effect.fn("AnthropicMessages.lowerImage")(function* (part: MediaPart) {
+  const media = yield* ProviderShared.validateMedia(
+    "Anthropic Messages",
+    part,
+    new Set<string>(ProviderShared.IMAGE_MIMES),
+  )
  return {
    type: "image" as const,
    source: {
@@ -376,13 +335,25 @@ const lowerMedia = Effect.fn("AnthropicMessages.lowerMedia")(function* (part: Me
  } satisfies AnthropicImageBlock
 })

-// Tool results may carry structured text, images, and documents. Keep media as provider-native
+// Tool results may carry structured text/images. Keep media as provider-native
 // content instead of JSON-stringifying base64 into a prompt string.
 const lowerToolResultContentItem = Effect.fn("AnthropicMessages.lowerToolResultContentItem")(function* (
  item: ToolContent,
 ) {
  if (item.type === "text") return { type: "text" as const, text: item.text } satisfies AnthropicTextBlock
-  return yield* lowerMedia({ type: "media", mediaType: item.mime, data: item.uri, filename: item.name })
+  const media = yield* ProviderShared.validateToolFile(
+    "Anthropic Messages",
+    item,
+    new Set<string>(ProviderShared.IMAGE_MIMES),
+  )
+  return {
+    type: "image" as const,
+    source: {
+      type: "base64" as const,
+      media_type: media.mime,
+      data: media.base64,
+    },
+  } satisfies AnthropicImageBlock
 })

 const lowerToolResultContent = Effect.fn("AnthropicMessages.lowerToolResultContent")(function* (part: ToolResultPart) {
@@ -474,7 +445,7 @@ const lowerMessages = Effect.fn("AnthropicMessages.lowerMessages")(function* (
          continue
        }
        if (part.type === "media") {
-          content.push(yield* lowerMedia(part))
+          content.push(yield* lowerImage(part))
          continue
        }
        return yield* ProviderShared.unsupportedContent("Anthropic Messages", "user", ["text", "media"])
@@ -491,16 +462,11 @@ const lowerMessages = Effect.fn("AnthropicMessages.lowerMessages")(function* (
          continue
        }
        if (part.type === "reasoning") {
-          // Mirrors Vercel's @ai-sdk/anthropic: a signature marks visible
-          // thinking; only signature-less parts carrying redactedData
-          // round-trip as opaque redacted_thinking blocks.
-          const signature = part.encrypted ?? signatureFromMetadata(part.providerMetadata)
-          const redactedData = redactedDataFromMetadata(part.providerMetadata)
-          if (signature === undefined && redactedData !== undefined) {
-            content.push({ type: "redacted_thinking", data: redactedData })
-            continue
-          }
-          content.push({ type: "thinking", thinking: part.text, signature })
+          content.push({
+            type: "thinking",
+            thinking: part.text,
+            signature: part.encrypted ?? signatureFromMetadata(part.providerMetadata),
+          })
          continue
        }
        if (part.type === "tool-call") {
@@ -569,6 +535,7 @@ const outputConfig = (request: LLMRequest) => {
 }

 const fromRequest = Effect.fn("AnthropicMessages.fromRequest")(function* (request: LLMRequest) {
+  const toolChoice = request.toolChoice ? yield* lowerToolChoice(request.toolChoice) : undefined
  const generation = request.generation
  const toolSchemaCompatibility = request.model.compatibility?.toolSchema
  const outputLimit = request.model.defaults?.limits?.output ?? request.model.route.defaults.limits?.output ?? 4096
@@ -577,7 +544,7 @@ const fromRequest = Effect.fn("AnthropicMessages.fromRequest")(function* (reques
  // over-mark we keep their tool hints and shed the message-tail ones first.
  const breakpoints = Cache.newBreakpoints(ANTHROPIC_BREAKPOINT_CAP)
  const tools =
-    request.tools.length === 0
+    request.tools.length === 0 || request.toolChoice?.type === "none"
      ? undefined
      : request.tools.map((tool) =>
          lowerTool(
@@ -586,9 +553,6 @@ const fromRequest = Effect.fn("AnthropicMessages.fromRequest")(function* (reques
            ToolSchemaProjection.modelCompatibility(tool.inputSchema, toolSchemaCompatibility),
          ),
        )
-  // Anthropic rejects tool_choice when tools are absent; "none" is only meaningful with tools present.
-  const toolChoice =
-    tools === undefined || !request.toolChoice ? undefined : yield* lowerToolChoice(request.toolChoice)
  const system =
    request.system.length === 0
      ? undefined
@@ -625,7 +589,7 @@ const fromRequest = Effect.fn("AnthropicMessages.fromRequest")(function* (reques
 // =============================================================================
 const mapFinishReason = (reason: string | null | undefined): FinishReason => {
  if (reason === "end_turn" || reason === "stop_sequence" || reason === "pause_turn") return "stop"
-  if (reason === "max_tokens" || reason === "model_context_window_exceeded") return "length"
+  if (reason === "max_tokens") return "length"
  if (reason === "tool_use") return "tool-calls"
  if (reason === "refusal") return "content-filter"
  return "unknown"
@@ -709,9 +673,7 @@ const serverToolResultEvent = (block: NonNullable<AnthropicEvent["content_block"
    name: SERVER_TOOL_RESULT_NAMES[block.type],
    result: isError ? { type: "error", value: block.content } : { type: "json", value: block.content },
    providerExecuted: true,
-    // The complete payload is irreducible provider replay state: subsequent
-    // stateless requests must round-trip the typed result block verbatim.
-    providerMetadata: anthropicMetadata({ blockType: block.type, result: block.content }),
+    providerMetadata: anthropicMetadata({ blockType: block.type }),
  })
 }

@@ -771,25 +733,6 @@ const onContentBlockStart = (state: ParserState, event: AnthropicEvent): StepRes
    ]
  }

-  // Redacted thinking surfaces as an empty reasoning part carrying the opaque
-  // payload as `redactedData` metadata (same model as Vercel's
-  // @ai-sdk/anthropic). The existing content_block_stop closes the part.
-  if (block.type === "redacted_thinking" && block.data) {
-    const events: LLMEvent[] = []
-    return [
-      {
-        ...state,
-        lifecycle: Lifecycle.reasoningStart(
-          state.lifecycle,
-          events,
-          `reasoning-${event.index ?? 0}`,
-          anthropicMetadata({ redactedData: block.data }),
-        ),
-      },
-      events,
-    ]
-  }
-
  const result = serverToolResultEvent(block)
  if (!result) return [state, NO_EVENTS]
  const events: LLMEvent[] = []
@@ -879,10 +822,7 @@ const onMessageDelta = (state: ParserState, event: AnthropicEvent): StepResult =
  const usage = mergeUsage(state.usage, mapUsage(event.usage))
  const events: LLMEvent[] = []
  const lifecycle = Lifecycle.finish(state.lifecycle, events, {
-    reason: {
-      normalized: mapFinishReason(event.delta?.stop_reason),
-      raw: event.delta?.stop_reason ?? undefined,
-    },
+    reason: mapFinishReason(event.delta?.stop_reason),
    usage,
    providerMetadata: event.delta?.stop_sequence
      ? anthropicMetadata({ stopSequence: event.delta.stop_sequence })
@@ -8,7 +8,6 @@ import {
  Usage,
  type CacheHint,
  type FinishReason,
-  type FinishReasonDetails,
  type JsonSchema,
  type LLMRequest,
  type ModelToolSchemaCompatibility,
@@ -53,7 +52,6 @@ const BedrockToolResultContentItem = Schema.Union([
  Schema.Struct({ text: Schema.String }),
  Schema.Struct({ json: Schema.Unknown }),
  BedrockMedia.ImageBlock,
-  BedrockMedia.DocumentBlock,
 ])

 const BedrockToolResultBlock = Schema.Struct({
@@ -285,6 +283,8 @@ const lowerToolResultContent = Effect.fn("BedrockConverse.lowerToolResultContent
      data: item.uri,
      filename: item.name,
    })
+    if (!("image" in media))
+      return yield* ProviderShared.invalidRequest("Bedrock Converse only supports image media in tool results")
    content.push(media)
  }
  return content
@@ -393,13 +393,8 @@ const fromRequest = Effect.fn("BedrockConverse.fromRequest")(function* (request:
  // tools → system → messages order to favour the highest-impact prefixes.
  const breakpoints = BedrockCache.breakpoints()
  const toolConfig =
-    request.tools.length > 0
-      ? {
-          tools: lowerTools(request.model.compatibility?.toolSchema, breakpoints, request.tools),
-          // Converse has no native "none". Keep definitions stable for prompt
-          // caching and omit only the unsupported choice.
-          toolChoice,
-        }
+    request.tools.length > 0 && request.toolChoice?.type !== "none"
+      ? { tools: lowerTools(request.model.compatibility?.toolSchema, breakpoints, request.tools), toolChoice }
      : undefined
  const system = request.system.length === 0 ? undefined : lowerSystem(breakpoints, request.system)
  const messages = yield* lowerMessages(request, breakpoints)
@@ -436,29 +431,27 @@ const fromRequest = Effect.fn("BedrockConverse.fromRequest")(function* (request:
 // =============================================================================
 const mapFinishReason = (reason: string): FinishReason => {
  if (reason === "end_turn" || reason === "stop_sequence") return "stop"
-  if (reason === "max_tokens" || reason === "model_context_window_exceeded") return "length"
+  if (reason === "max_tokens") return "length"
  if (reason === "tool_use") return "tool-calls"
  if (reason === "content_filtered" || reason === "guardrail_intervened") return "content-filter"
-  if (reason === "malformed_model_output" || reason === "malformed_tool_use") return "error"
  return "unknown"
 }

-// AWS reports inputTokens separately from cache reads and writes.
-// Bedrock does not break reasoning out of outputTokens for current models.
+// AWS Bedrock Converse reports `inputTokens` (inclusive total) with
+// `cacheReadInputTokens` and `cacheWriteInputTokens` as subsets. Pass
+// the total through and derive the non-cached breakdown. Bedrock does
+// not break reasoning out of `outputTokens` for any current model.
 const mapUsage = (usage: BedrockUsageSchema | undefined): Usage | undefined => {
  if (!usage) return undefined
-  const inputTokens = ProviderShared.sumTokens(
-    usage.inputTokens,
-    usage.cacheReadInputTokens,
-    usage.cacheWriteInputTokens,
-  )
+  const cacheTotal = (usage.cacheReadInputTokens ?? 0) + (usage.cacheWriteInputTokens ?? 0)
+  const nonCached = ProviderShared.subtractTokens(usage.inputTokens, cacheTotal)
  return new Usage({
-    inputTokens,
+    inputTokens: usage.inputTokens,
    outputTokens: usage.outputTokens,
-    nonCachedInputTokens: usage.inputTokens,
+    nonCachedInputTokens: nonCached,
    cacheReadInputTokens: usage.cacheReadInputTokens,
    cacheWriteInputTokens: usage.cacheWriteInputTokens,
-    totalTokens: ProviderShared.totalTokens(inputTokens, usage.outputTokens, usage.totalTokens),
+    totalTokens: ProviderShared.totalTokens(usage.inputTokens, usage.outputTokens, usage.totalTokens),
    providerMetadata: { bedrock: usage },
  })
 }
@@ -468,7 +461,7 @@ interface ParserState {
  // Bedrock splits the finish into `messageStop` (carries `stopReason`) and
  // `metadata` (carries usage). Hold the terminal event in state so `onHalt`
  // can emit exactly one finish after both chunks have had a chance to arrive.
-  readonly pendingFinish: { readonly reason: FinishReasonDetails; readonly usage?: Usage } | undefined
+  readonly pendingFinish: { readonly reason: FinishReason; readonly usage?: Usage } | undefined
  readonly hasToolCalls: boolean
  readonly lifecycle: Lifecycle.State
  readonly reasoningSignatures: Readonly<Record<number, string>>
@@ -585,13 +578,7 @@ const step = (state: ParserState, event: BedrockEvent) =>
      return [
        {
          ...state,
-          pendingFinish: {
-            reason: {
-              normalized: mapFinishReason(event.messageStop.stopReason),
-              raw: event.messageStop.stopReason,
-            },
-            usage: state.pendingFinish?.usage,
-          },
+          pendingFinish: { reason: mapFinishReason(event.messageStop.stopReason), usage: state.pendingFinish?.usage },
        },
        [],
      ] as const
@@ -599,16 +586,7 @@ const step = (state: ParserState, event: BedrockEvent) =>

    if (event.metadata) {
      const usage = mapUsage(event.metadata.usage)
-      return [
-        {
-          ...state,
-          pendingFinish: {
-            reason: state.pendingFinish?.reason ?? { normalized: "stop" },
-            usage,
-          },
-        },
-        [],
-      ] as const
+      return [{ ...state, pendingFinish: { reason: state.pendingFinish?.reason ?? "stop", usage } }, []] as const
    }

    const exception = (
@@ -641,13 +619,8 @@ const onHalt = (state: ParserState): ReadonlyArray<LLMEvent> =>
    ? (() => {
        const events: LLMEvent[] = []
        Lifecycle.finish(state.lifecycle, events, {
-          reason: {
-            ...state.pendingFinish.reason,
-            normalized:
-              state.pendingFinish.reason.normalized === "stop" && state.hasToolCalls
-                ? "tool-calls"
-                : state.pendingFinish.reason.normalized,
-          },
+          reason:
+            state.pendingFinish.reason === "stop" && state.hasToolCalls ? "tool-calls" : state.pendingFinish.reason,
          usage: state.pendingFinish.usage,
        })
        return events
@@ -41,11 +41,9 @@ const GeminiInlineDataPart = Schema.Struct({
    data: Schema.String,
  }),
 })
-type GeminiInlineDataPart = Schema.Schema.Type<typeof GeminiInlineDataPart>

 const GeminiFunctionCallPart = Schema.Struct({
  functionCall: Schema.Struct({
-    id: Schema.optional(Schema.String),
    name: Schema.String,
    args: Schema.Unknown,
  }),
@@ -54,10 +52,8 @@ const GeminiFunctionCallPart = Schema.Struct({

 const GeminiFunctionResponsePart = Schema.Struct({
  functionResponse: Schema.Struct({
-    id: Schema.optional(Schema.String),
    name: Schema.String,
    response: Schema.Unknown,
-    parts: Schema.optional(Schema.Array(GeminiInlineDataPart)),
  }),
 })

@@ -201,13 +197,8 @@ const thoughtSignature = (providerMetadata: ProviderMetadata | undefined) => {
    : undefined
 }

-const functionCallId = (providerMetadata: ProviderMetadata | undefined) => {
-  const google = providerMetadata?.google
-  return ProviderShared.isRecord(google) && typeof google.functionCallId === "string" ? google.functionCallId : undefined
-}
-
 const lowerToolCall = (part: ToolCallPart) => ({
-  functionCall: { id: functionCallId(part.providerMetadata), name: part.name, args: part.input },
+  functionCall: { name: part.name, args: part.input },
  thoughtSignature: thoughtSignature(part.providerMetadata),
 })

@@ -264,7 +255,6 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
      if (part.result.type !== "content") {
        parts.push({
          functionResponse: {
-            id: functionCallId(part.providerMetadata),
            name: part.name,
            response: {
              name: part.name,
@@ -276,23 +266,20 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
      }
      const content: ReadonlyArray<ToolContent> = part.result.value
      const text = content.filter((item) => item.type === "text").map((item) => item.text)
-      const media: GeminiInlineDataPart[] = []
-      for (const item of content) {
-        if (item.type === "text") continue
-        const value = yield* ProviderShared.validateToolFile("Gemini", item, MEDIA_MIMES)
-        media.push({ inlineData: { mimeType: value.mime, data: value.base64 } })
-      }
      parts.push({
        functionResponse: {
-          id: functionCallId(part.providerMetadata),
          name: part.name,
          response: {
            name: part.name,
            content: text.join("\n"),
          },
-          parts: media.length > 0 ? media : undefined,
        },
      })
+      for (const item of content) {
+        if (item.type === "text") continue
+        const media = yield* ProviderShared.validateToolFile("Gemini", item, MEDIA_MIMES)
+        parts.push({ inlineData: { mimeType: media.mime, data: media.base64 } })
+      }
    }
    contents.push({ role: "user", parts })
  }
@@ -313,7 +300,7 @@ const thinkingConfig = (request: LLMRequest) => {
 }

 const fromRequest = Effect.fn("Gemini.fromRequest")(function* (request: LLMRequest) {
-  const hasTools = request.tools.length > 0
+  const toolsEnabled = request.tools.length > 0 && request.toolChoice?.type !== "none"
  const generation = request.generation
  const toolSchemaCompatibility = request.model.compatibility?.toolSchema
  const generationConfig = {
@@ -329,7 +316,7 @@ const fromRequest = Effect.fn("Gemini.fromRequest")(function* (request: LLMReque
    contents: yield* lowerMessages(request),
    systemInstruction:
      request.system.length === 0 ? undefined : { parts: [{ text: ProviderShared.joinText(request.system) }] },
-    tools: hasTools
+    tools: toolsEnabled
      ? [
          {
            functionDeclarations: request.tools.map((tool) =>
@@ -338,7 +325,7 @@ const fromRequest = Effect.fn("Gemini.fromRequest")(function* (request: LLMReque
          },
        ]
      : undefined,
-    toolConfig: hasTools && request.toolChoice ? yield* lowerToolConfig(request.toolChoice) : undefined,
+    toolConfig: toolsEnabled && request.toolChoice ? yield* lowerToolConfig(request.toolChoice) : undefined,
    generationConfig: Object.values(generationConfig).some((value) => value !== undefined)
      ? generationConfig
      : undefined,
@@ -382,22 +369,10 @@ const mapFinishReason = (finishReason: string | undefined, hasToolCalls: boolean
    finishReason === "SAFETY" ||
    finishReason === "BLOCKLIST" ||
    finishReason === "PROHIBITED_CONTENT" ||
-    finishReason === "SPII" ||
-    finishReason === "MODEL_ARMOR" ||
-    finishReason === "IMAGE_PROHIBITED_CONTENT" ||
-    finishReason === "IMAGE_RECITATION" ||
-    finishReason === "LANGUAGE"
+    finishReason === "SPII"
  )
    return "content-filter"
-  if (
-    finishReason === "MALFORMED_FUNCTION_CALL" ||
-    finishReason === "UNEXPECTED_TOOL_CALL" ||
-    finishReason === "NO_IMAGE" ||
-    finishReason === "TOO_MANY_TOOL_CALLS" ||
-    finishReason === "MISSING_THOUGHT_SIGNATURE" ||
-    finishReason === "MALFORMED_RESPONSE"
-  )
-    return "error"
+  if (finishReason === "MALFORMED_FUNCTION_CALL") return "error"
  return "unknown"
 }

@@ -414,10 +389,7 @@ const finish = (state: ParserState): ReadonlyArray<LLMEvent> =>
            )
          : state.lifecycle
        Lifecycle.finish(lifecycle, events, {
-          reason: {
-            normalized: mapFinishReason(state.finishReason, state.hasToolCalls),
-            raw: state.finishReason,
-          },
+          reason: mapFinishReason(state.finishReason, state.hasToolCalls),
          usage: state.usage,
        })
        return events
@@ -469,10 +441,6 @@ const step = (state: ParserState, event: GeminiEvent) => {
    if ("functionCall" in part) {
      const input = part.functionCall.args
      const id = `tool_${nextToolCallId++}`
-      const metadata = {
-        ...(part.functionCall.id === undefined ? {} : { functionCallId: part.functionCall.id }),
-        ...(part.thoughtSignature === undefined ? {} : { thoughtSignature: part.thoughtSignature }),
-      }
      lifecycle = Lifecycle.reasoningEnd(
        lifecycle,
        events,
@@ -485,7 +453,9 @@ const step = (state: ParserState, event: GeminiEvent) => {
          id,
          name: part.functionCall.name,
          input,
-          providerMetadata: Object.keys(metadata).length > 0 ? googleMetadata(metadata) : undefined,
+          providerMetadata: part.thoughtSignature
+            ? googleMetadata({ thoughtSignature: part.thoughtSignature })
+            : undefined,
        }),
      )
      hasToolCalls = true
@@ -5,11 +5,9 @@ import { Endpoint } from "../route/endpoint"
 import { HttpTransport } from "../route/transport"
 import { Protocol } from "../route/protocol"
 import {
-  LLMError,
  LLMEvent,
  Usage,
  type FinishReason,
-  type FinishReasonDetails,
  type JsonSchema,
  type LLMRequest,
  type MediaPart,
@@ -19,7 +17,6 @@ import {
  type ToolDefinition,
  type ToolContent,
 } from "../schema"
-import { classifyProviderFailure } from "../provider-error"
 import { isRecord, JsonObject, optionalArray, optionalNull, ProviderShared } from "./shared"
 import { OpenAIOptions } from "./utils/openai-options"
 import { Lifecycle } from "./utils/lifecycle"
@@ -28,7 +25,6 @@ import { ToolStream } from "./utils/tool-stream"

 const ADAPTER = "openai-chat"
 const IMAGE_MIMES = new Set<string>(ProviderShared.IMAGE_MIMES)
-const RESERVED_REASONING_FIELDS = new Set(["role", "content", "tool_calls"])
 export const DEFAULT_BASE_URL = "https://api.openai.com/v1"
 export const PATH = "/chat/completions"

@@ -74,18 +70,15 @@ const OpenAIChatMessage = Schema.Union([
    role: Schema.Literal("user"),
    content: Schema.Union([Schema.String, Schema.Array(OpenAIChatUserContent)]),
  }),
-  Schema.StructWithRest(
-    Schema.Struct({
-      role: Schema.Literal("assistant"),
-      content: Schema.NullOr(Schema.String),
-      tool_calls: optionalArray(OpenAIChatAssistantToolCall),
-      reasoning_content: Schema.optional(Schema.String),
-      reasoning: Schema.optional(Schema.String),
-      reasoning_text: Schema.optional(Schema.String),
-      reasoning_details: Schema.optional(Schema.Unknown),
-    }),
-    [Schema.Record(Schema.String, Schema.Unknown)],
-  ),
+  Schema.Struct({
+    role: Schema.Literal("assistant"),
+    content: Schema.NullOr(Schema.String),
+    tool_calls: optionalArray(OpenAIChatAssistantToolCall),
+    reasoning_content: Schema.optional(Schema.String),
+    reasoning: Schema.optional(Schema.String),
+    reasoning_text: Schema.optional(Schema.String),
+    reasoning_details: optionalArray(Schema.Unknown),
+  }),
  Schema.Struct({ role: Schema.Literal("tool"), tool_call_id: Schema.String, content: Schema.String }),
 ]).pipe(Schema.toTaggedUnion("role"))
 type OpenAIChatMessage = Schema.Schema.Type<typeof OpenAIChatMessage>
@@ -152,33 +145,23 @@ const OpenAIChatToolCallDelta = Schema.Struct({
 })
 type OpenAIChatToolCallDelta = Schema.Schema.Type<typeof OpenAIChatToolCallDelta>

-const OpenAIChatDelta = Schema.StructWithRest(
-  Schema.Struct({
-    content: optionalNull(Schema.String),
-    reasoning_content: optionalNull(Schema.String),
-    reasoning: optionalNull(Schema.String),
-    reasoning_text: optionalNull(Schema.String),
-    reasoning_details: optionalNull(Schema.Unknown),
-    tool_calls: optionalNull(Schema.Array(OpenAIChatToolCallDelta)),
-  }),
-  [Schema.Record(Schema.String, Schema.Unknown)],
-)
+const OpenAIChatDelta = Schema.Struct({
+  content: optionalNull(Schema.String),
+  reasoning_content: optionalNull(Schema.String),
+  reasoning: optionalNull(Schema.String),
+  reasoning_text: optionalNull(Schema.String),
+  reasoning_details: optionalNull(Schema.Array(Schema.Unknown)),
+  tool_calls: optionalNull(Schema.Array(OpenAIChatToolCallDelta)),
+})

 const OpenAIChatChoice = Schema.Struct({
  delta: optionalNull(OpenAIChatDelta),
  finish_reason: optionalNull(Schema.String),
-  native_finish_reason: optionalNull(Schema.String),
-})
-
-const OpenAIChatError = Schema.Struct({
-  code: optionalNull(Schema.Union([Schema.String, Schema.Number])),
-  message: Schema.String,
 })

 export const OpenAIChatEvent = Schema.Struct({
-  choices: optionalNull(Schema.Array(OpenAIChatChoice)),
+  choices: Schema.Array(OpenAIChatChoice),
  usage: optionalNull(OpenAIChatUsage),
-  error: optionalNull(OpenAIChatError),
 })
 export type OpenAIChatEvent = Schema.Schema.Type<typeof OpenAIChatEvent>
 type OpenAIChatRequestMessage = LLMRequest["messages"][number]
@@ -194,9 +177,9 @@ export interface ParserState {
  readonly pendingTools: Partial<Record<number, PendingToolDelta>>
  readonly toolCallEvents: ReadonlyArray<LLMEvent>
  readonly usage?: Usage
-  readonly finishReason?: FinishReasonDetails
+  readonly finishReason?: FinishReason
  readonly lifecycle: Lifecycle.State
-  readonly reasoningField?: string
+  readonly reasoningField?: "reasoning" | "reasoning_content" | "reasoning_text"
  readonly reasoningDetails: Array<unknown>
  readonly reasoningDetailsObserved: boolean
  readonly reasoningEmitted: boolean
@@ -244,7 +227,7 @@ const openAICompatibleReasoningContent = (native: unknown) =>

 const reasoningField = (part: ReasoningPart) => {
  const field = part.providerMetadata?.openai?.reasoningField
-  return typeof field === "string" ? field : undefined
+  if (field === "reasoning" || field === "reasoning_content" || field === "reasoning_text") return field
 }

 const reasoningDetails = (parts: ReadonlyArray<ReasoningPart>, native: unknown) => {
@@ -276,7 +259,6 @@ const lowerUserMessage = Effect.fn("OpenAIChat.lowerUserMessage")(function* (mes

 const lowerAssistantMessage = Effect.fn("OpenAIChat.lowerAssistantMessage")(function* (
  message: OpenAIChatRequestMessage,
-  configuredField?: string,
 ) {
  const content: TextPart[] = []
  const reasoning: ReasoningPart[] = []
@@ -303,25 +285,24 @@ const lowerAssistantMessage = Effect.fn("OpenAIChat.lowerAssistantMessage")(func
  const nativeReasoning = openAICompatibleReasoningContent(message.native?.openaiCompatible)
  const fullyStructured = reasoning.every((part) => Array.isArray(part.providerMetadata?.openai?.reasoningDetails))
  const field = (() => {
-    if (configuredField !== undefined) return configuredField
-    if (reasoning.length === 0) return undefined
+    if (reasoning.length === 0) return
    if (observedField !== undefined) return observedField
    if (nativeReasoning !== undefined) return "reasoning_content"
    if (!fullyStructured) return "reasoning_content"
  })()
-  const reasoningText = (() => {
-    if (configuredField !== undefined) return reasoning.length === 0 ? (nativeReasoning ?? "") : text
+  const reasoningContent = (() => {
    if (reasoning.length === 0) return nativeReasoning
-    return text
+    if (field === "reasoning_content") return text
  })()
-  const result = {
+  return {
    role: "assistant" as const,
    content: content.length === 0 ? null : ProviderShared.joinText(content),
    tool_calls: toolCalls.length === 0 ? undefined : toolCalls,
+    reasoning_content: reasoningContent,
+    reasoning: reasoning.length > 0 && field === "reasoning" ? text : undefined,
+    reasoning_text: reasoning.length > 0 && field === "reasoning_text" ? text : undefined,
    reasoning_details: details,
  }
-  if (field === undefined || reasoningText === undefined) return result
-  return { ...result, [field]: reasoningText }
 })

 const lowerToolMessages = Effect.fn("OpenAIChat.lowerToolMessages")(function* (message: OpenAIChatRequestMessage) {
@@ -347,12 +328,9 @@ const lowerToolMessages = Effect.fn("OpenAIChat.lowerToolMessages")(function* (m
  return { messages, images }
 })

-const lowerMessage = Effect.fn("OpenAIChat.lowerMessage")(function* (
-  message: OpenAIChatRequestMessage,
-  reasoningField?: string,
-) {
+const lowerMessage = Effect.fn("OpenAIChat.lowerMessage")(function* (message: OpenAIChatRequestMessage) {
  if (message.role === "user") return [yield* lowerUserMessage(message)]
-  if (message.role === "assistant") return [yield* lowerAssistantMessage(message, reasoningField)]
+  if (message.role === "assistant") return [yield* lowerAssistantMessage(message)]
  return (yield* lowerToolMessages(message)).messages
 })

@@ -390,7 +368,7 @@ const lowerMessages = Effect.fn("OpenAIChat.lowerMessages")(function* (request:
      continue
    }
    flushImages()
-    messages.push(...(yield* lowerMessage(message, request.model.compatibility?.reasoningField)))
+    messages.push(...(yield* lowerMessage(message)))
  }
  flushImages()
  return messages
@@ -408,11 +386,6 @@ const lowerOptions = Effect.fn("OpenAIChat.lowerOptions")(function* (request: LL
 const fromRequest = Effect.fn("OpenAIChat.fromRequest")(function* (request: LLMRequest) {
  // `fromRequest` returns the provider body only. Endpoint, auth, framing,
  // validation, and HTTP execution are composed by `Route.make`.
-  const reasoningField = request.model.compatibility?.reasoningField
-  if (reasoningField && RESERVED_REASONING_FIELDS.has(reasoningField))
-    return yield* ProviderShared.invalidRequest(
-      `OpenAI Chat reasoning field conflicts with reserved field ${reasoningField}`,
-    )
  const generation = request.generation
  const toolSchemaCompatibility = request.model.compatibility?.toolSchema
  return {
@@ -449,7 +422,6 @@ const mapFinishReason = (reason: string | null | undefined): FinishReason => {
  if (reason === "length") return "length"
  if (reason === "content_filter") return "content-filter"
  if (reason === "function_call" || reason === "tool_calls") return "tool-calls"
-  if (reason === "error") return "error"
  return "unknown"
 }

@@ -474,18 +446,10 @@ const mapUsage = (usage: OpenAIChatEvent["usage"]): Usage | undefined => {
  })
 }

-const reasoningDelta = (
-  delta: Schema.Schema.Type<typeof OpenAIChatDelta> | null | undefined,
-  configuredField?: string,
-) => {
-  if (!delta) return undefined
-  const fields = new Set([configuredField, "reasoning_content", "reasoning", "reasoning_text"])
-  for (const field of fields) {
-    if (field === undefined) continue
-    const text = delta[field]
-    if (typeof text === "string" && text.length > 0) return { field, text }
-  }
-  return undefined
+const reasoningDelta = (delta: Schema.Schema.Type<typeof OpenAIChatDelta> | null | undefined) => {
+  if (delta?.reasoning_content) return { field: "reasoning_content", text: delta.reasoning_content } as const
+  if (delta?.reasoning) return { field: "reasoning", text: delta.reasoning } as const
+  if (delta?.reasoning_text) return { field: "reasoning_text", text: delta.reasoning_text } as const
 }

 const detailText = (details: ReadonlyArray<unknown>) => {
@@ -543,22 +507,10 @@ const reasoningMetadata = (field: ParserState["reasoningField"], details?: Reado

 const step = (state: ParserState, event: OpenAIChatEvent) =>
  Effect.gen(function* () {
-    if (event.error)
-      return yield* new LLMError({
-        module: ADAPTER,
-        method: "stream",
-        reason: classifyProviderFailure({
-          message: event.error.message,
-          code: event.error.code === undefined || event.error.code === null ? undefined : String(event.error.code),
-          status: typeof event.error.code === "number" ? event.error.code : undefined,
-        }),
-      })
    const events: LLMEvent[] = []
    const usage = mapUsage(event.usage) ?? state.usage
-    const choice = event.choices?.[0]
-    const finishReason = choice?.finish_reason
-      ? { normalized: mapFinishReason(choice.finish_reason), raw: choice.native_finish_reason ?? choice.finish_reason }
-      : state.finishReason
+    const choice = event.choices[0]
+    const finishReason = choice?.finish_reason ? mapFinishReason(choice.finish_reason) : state.finishReason
    const delta = choice?.delta
    const toolDeltas = delta?.tool_calls ?? []
    let tools = state.tools
@@ -566,7 +518,7 @@ const step = (state: ParserState, event: OpenAIChatEvent) =>

    let lifecycle = state.lifecycle

-    const reasoning = reasoningDelta(delta, state.reasoningField)
+    const reasoning = reasoningDelta(delta)
    const reasoningField = state.reasoningField ?? (!state.lifecycle.text.has("text-0") ? reasoning?.field : undefined)
    const detailDelta = Array.isArray(delta?.reasoning_details) ? delta.reasoning_details : undefined
    if (detailDelta !== undefined) appendReasoningDetails(state.reasoningDetails, detailDelta)
@@ -650,13 +602,7 @@ const step = (state: ParserState, event: OpenAIChatEvent) =>
 const finishEvents = (state: ParserState): ReadonlyArray<LLMEvent> => {
  const events: LLMEvent[] = []
  const hasToolCalls = state.toolCallEvents.length > 0
-  const reason = state.finishReason
-    ? {
-        ...state.finishReason,
-        normalized:
-          state.finishReason.normalized === "stop" && hasToolCalls ? "tool-calls" : state.finishReason.normalized,
-      }
-    : undefined
+  const reason = state.finishReason === "stop" && hasToolCalls ? "tool-calls" : state.finishReason
  const metadata = reasoningMetadata(
    state.reasoningField,
    state.reasoningDetailsObserved ? state.reasoningDetails : undefined,
@@ -689,12 +635,12 @@ export const protocol = Protocol.make({
  },
  stream: {
    event: Protocol.jsonEvent(OpenAIChatEvent),
-    initial: (request) => ({
+    initial: () => ({
      tools: ToolStream.empty<number>(),
      pendingTools: {},
      toolCallEvents: [],
      lifecycle: Lifecycle.initial(),
-      reasoningField: request.model.compatibility?.reasoningField,
+      reasoningField: undefined,
      reasoningDetails: [],
      reasoningDetailsObserved: false,
      reasoningEmitted: false,
@@ -11,7 +11,6 @@ import {
  type FinishReason,
  type JsonSchema,
  type LLMRequest,
-  type MediaPart,
  type ProviderMetadata,
  type ReasoningPart,
  type TextPart,
@@ -29,7 +28,6 @@ import { ToolStream } from "./utils/tool-stream"
 import { OpenAIImage } from "./utils/openai-image"

 const ADAPTER = "openai-responses"
-const MEDIA_MIMES = new Set<string>([...ProviderShared.IMAGE_MIMES, ...ProviderShared.PDF_MIMES])
 export const DEFAULT_BASE_URL = "https://api.openai.com/v1"
 export const PATH = "/responses"

@@ -44,17 +42,7 @@ const OpenAIResponsesInputImage = Schema.Struct({
  type: Schema.tag("input_image"),
  image_url: Schema.String,
 })
-const OpenAIResponsesInputFile = Schema.Struct({
-  type: Schema.tag("input_file"),
-  filename: Schema.String,
-  file_data: Schema.String,
-  mime_type: Schema.optional(Schema.String),
-})
-const OpenAIResponsesInputContent = Schema.Union([
-  OpenAIResponsesInputText,
-  OpenAIResponsesInputImage,
-  OpenAIResponsesInputFile,
-])
+const OpenAIResponsesInputContent = Schema.Union([OpenAIResponsesInputText, OpenAIResponsesInputImage])
 type OpenAIResponsesInputContent = Schema.Schema.Type<typeof OpenAIResponsesInputContent>

 const OpenAIResponsesOutputText = Schema.Struct({
@@ -80,13 +68,9 @@ const OpenAIResponsesItemReference = Schema.Struct({
 })

 // `function_call_output.output` accepts either a plain string or an ordered
-// array of content items so tools can return images and files in addition to text.
+// array of content items so tools can return images in addition to text.
 // https://platform.openai.com/docs/api-reference/responses/object
-const OpenAIResponsesFunctionCallOutputContent = Schema.Union([
-  OpenAIResponsesInputText,
-  OpenAIResponsesInputImage,
-  OpenAIResponsesInputFile,
-])
+const OpenAIResponsesFunctionCallOutputContent = Schema.Union([OpenAIResponsesInputText, OpenAIResponsesInputImage])

 const OpenAIResponsesFunctionCallOutput = Schema.Union([
  Schema.String,
@@ -253,7 +237,7 @@ const OpenAIResponsesEvent = Schema.Struct({
      Schema.Struct({
        id: Schema.optional(Schema.String),
        service_tier: optionalNull(Schema.String),
-        incomplete_details: optionalNull(Schema.Struct({ reason: Schema.optional(Schema.String) })),
+        incomplete_details: optionalNull(Schema.Struct({ reason: Schema.String })),
        usage: optionalNull(OpenAIResponsesUsage),
        error: optionalNull(OpenAIResponsesErrorPayload),
      }),
@@ -359,58 +343,42 @@ const hostedToolItemID = (part: ToolResultPart) => {
    : undefined
 }

-const lowerMedia = Effect.fn("OpenAIResponses.lowerMedia")(function* (part: MediaPart, provider: string) {
-  const media = yield* ProviderShared.validateMedia("OpenAI Responses", part, MEDIA_MIMES)
-  if (media.mime === "application/pdf") {
-    // xAI models inline bytes and MIME separately; OpenAI uses a data URL in file_data.
-    if (provider === "xai")
-      return {
-        type: "input_file" as const,
-        filename: part.filename ?? "document.pdf",
-        file_data: media.base64,
-        mime_type: media.mime,
-      }
-    return {
-      type: "input_file" as const,
-      filename: part.filename ?? "document.pdf",
-      file_data: media.dataUrl,
-    }
-  }
-  return { type: "input_image" as const, image_url: media.dataUrl }
-})
-
 const lowerUserContent = Effect.fn("OpenAIResponses.lowerUserContent")(function* (
  part: LLMRequest["messages"][number]["content"][number],
-  provider: string,
 ) {
  if (part.type === "text") return { type: "input_text" as const, text: part.text }
-  if (part.type === "media") return yield* lowerMedia(part, provider)
+  if (part.type === "media") {
+    const media = yield* ProviderShared.validateMedia(
+      "OpenAI Responses",
+      part,
+      new Set<string>(ProviderShared.IMAGE_MIMES),
+    )
+    return { type: "input_image" as const, image_url: media.dataUrl }
+  }
  return yield* ProviderShared.unsupportedContent("OpenAI Responses", "user", ["text", "media"])
 })

-// Tool results may carry structured text, images, and files. Keep media as provider-native
+// Tool results may carry structured text/images. Keep media as provider-native
 // content instead of JSON-stringifying base64 into a prompt string.
 const lowerToolResultContentItem = Effect.fn("OpenAIResponses.lowerToolResultContentItem")(function* (
  item: ToolContent,
-  provider: string,
 ) {
  if (item.type === "text") return { type: "input_text" as const, text: item.text }
-  return yield* lowerMedia(
-    { type: "media", mediaType: item.mime, data: item.uri, filename: item.name },
-    provider,
+  const media = yield* ProviderShared.validateToolFile(
+    "OpenAI Responses",
+    item,
+    new Set<string>(ProviderShared.IMAGE_MIMES),
  )
+  return { type: "input_image" as const, image_url: media.dataUrl }
 })

-const lowerToolResultOutput = Effect.fn("OpenAIResponses.lowerToolResultOutput")(function* (
-  part: ToolResultPart,
-  provider: string,
-) {
+const lowerToolResultOutput = Effect.fn("OpenAIResponses.lowerToolResultOutput")(function* (part: ToolResultPart) {
  // Text/json/error results are encoded as a plain string for backward
  // compatibility with existing cassettes and provider expectations.
  if (part.result.type !== "content") return ProviderShared.toolResultText(part)
  // Preserve the narrowed array element type when compiled through a consumer package.
  const content: ReadonlyArray<ToolContent> = part.result.value
-  return yield* Effect.forEach(content, (item) => lowerToolResultContentItem(item, provider))
+  return yield* Effect.forEach(content, lowerToolResultContentItem)
 })

 const lowerMessages = Effect.fn("OpenAIResponses.lowerMessages")(function* (request: LLMRequest) {
@@ -433,10 +401,7 @@ const lowerMessages = Effect.fn("OpenAIResponses.lowerMessages")(function* (requ
    }

    if (message.role === "user") {
-      input.push({
-        role: "user",
-        content: yield* Effect.forEach(message.content, (part) => lowerUserContent(part, request.model.provider)),
-      })
+      input.push({ role: "user", content: yield* Effect.forEach(message.content, lowerUserContent) })
      continue
    }

@@ -495,9 +460,7 @@ const lowerMessages = Effect.fn("OpenAIResponses.lowerMessages")(function* (requ
            const content: ReadonlyArray<ToolContent> = part.result.value
            input.push({
              role: "user",
-              content: yield* Effect.forEach(content, (item) =>
-                lowerToolResultContentItem(item, request.model.provider),
-              ),
+              content: yield* Effect.forEach(content, lowerToolResultContentItem),
            })
          }
          if (itemID) hostedToolReferences.add(itemID)
@@ -520,7 +483,7 @@ const lowerMessages = Effect.fn("OpenAIResponses.lowerMessages")(function* (requ
      input.push({
        type: "function_call_output",
        call_id: part.id,
-        output: yield* lowerToolResultOutput(part, request.model.provider),
+        output: yield* lowerToolResultOutput(part),
      })
    }
  }
@@ -602,8 +565,7 @@ const mapUsage = (usage: OpenAIResponsesUsage | null | undefined) => {

 const mapFinishReason = (event: OpenAIResponsesEvent, hasFunctionCall: boolean): FinishReason => {
  const reason = event.response?.incomplete_details?.reason
-  if (reason === undefined || reason === null)
-    return hasFunctionCall ? "tool-calls" : event.type === "response.incomplete" ? "unknown" : "stop"
+  if (reason === undefined || reason === null) return hasFunctionCall ? "tool-calls" : "stop"
  if (reason === "max_output_tokens") return "length"
  if (reason === "content_filter") return "content-filter"
  return hasFunctionCall ? "tool-calls" : "unknown"
@@ -979,10 +941,7 @@ const onOutputItemDone = Effect.fn("OpenAIResponses.onOutputItemDone")(function*
 const onResponseFinish = (state: ParserState, event: OpenAIResponsesEvent): StepResult => {
  const events: LLMEvent[] = []
  const lifecycle = Lifecycle.finish(state.lifecycle, events, {
-    reason: {
-      normalized: mapFinishReason(event, state.hasFunctionCall),
-      raw: event.response?.incomplete_details?.reason,
-    },
+    reason: mapFinishReason(event, state.hasFunctionCall),
    usage: mapUsage(event.response?.usage),
    providerMetadata:
      event.response?.id || event.response?.service_tier
@@ -158,8 +158,7 @@ export const parseToolInput = (route: string, name: string, raw: string) =>
 export const IMAGE_MIMES = ["image/png", "image/jpeg", "image/gif", "image/webp"] as const
 export const VIDEO_MIMES = ["video/mp4", "video/webm", "video/quicktime"] as const
 export const AUDIO_MIMES = ["audio/wav", "audio/mp3", "audio/aiff", "audio/aac", "audio/ogg", "audio/flac"] as const
-export const PDF_MIMES = ["application/pdf"] as const
-export const MEDIA_MIMES = [...IMAGE_MIMES, ...VIDEO_MIMES, ...AUDIO_MIMES, ...PDF_MIMES] as const
+export const MEDIA_MIMES = [...IMAGE_MIMES, ...VIDEO_MIMES, ...AUDIO_MIMES] as const
 export const MAX_MEDIA_ENCODED_BYTES = 28 * 1024 * 1024
 export const MAX_MEDIA_DECODED_BYTES = 20 * 1024 * 1024

@@ -49,10 +49,10 @@ const DOCUMENT_FORMATS = {
  "text/markdown": "md",
 } as const satisfies Record<string, DocumentFormat>

-const documentBlock = (name: string, format: DocumentFormat, bytes: string): DocumentBlock => ({
+const documentBlock = (part: MediaPart, format: DocumentFormat, bytes: string): DocumentBlock => ({
  document: {
    format,
-    name,
+    name: part.filename ?? `document.${format}`,
    source: { bytes },
  },
 })
@@ -77,14 +77,12 @@ export const lower = Effect.fn("BedrockMedia.lower")(function* (part: MediaPart)
    return yield* ProviderShared.invalidRequest(`Bedrock Converse does not support image media type ${part.mediaType}`)
  const documentFormat = DOCUMENT_FORMATS[mime as keyof typeof DOCUMENT_FORMATS]
  if (documentFormat) {
-    if (!part.filename)
-      return yield* ProviderShared.invalidRequest("Bedrock Converse document media requires a filename")
    const media = yield* ProviderShared.validateMedia(
      "Bedrock Converse",
      part,
      new Set<string>(Object.keys(DOCUMENT_FORMATS)),
    )
-    return documentBlock(part.filename, documentFormat, media.base64)
+    return documentBlock(part, documentFormat, media.base64)
  }
  return yield* ProviderShared.invalidRequest(`Bedrock Converse does not support media type ${part.mediaType}`)
 })
@@ -1,4 +1,4 @@
-import { LLMEvent, type FinishReasonDetails, type ProviderMetadata, type Usage } from "../../schema"
+import { LLMEvent, type FinishReason, type ProviderMetadata, type Usage } from "../../schema"

 export interface State {
  readonly stepStarted: boolean
@@ -81,7 +81,7 @@ export const finish = (
  state: State,
  events: LLMEvent[],
  input: {
-    readonly reason: FinishReasonDetails
+    readonly reason: FinishReason
    readonly usage?: Usage
    readonly providerMetadata?: ProviderMetadata
  },
@@ -34,12 +34,11 @@ import { ProviderFailureClassification } from "./errors"
 *
 * **Semantics by provider**:
 *
- * - OpenAI Chat / Responses / Gemini: provider reports inclusive
+ * - OpenAI Chat / Responses / Gemini / Bedrock: provider reports inclusive
 *   `inputTokens` and an inclusive `outputTokens`; mapper subtracts to
 *   derive the breakdown.
- * - Anthropic and Bedrock report the input breakdown natively: Anthropic's
- *   `input_tokens` and Bedrock's `inputTokens` are non-cached only. Their
- *   mappers sum the breakdown to derive the inclusive `inputTokens`.
+ * - Anthropic: provider reports the breakdown natively (`input_tokens` is
+ *   non-cached only); mapper sums to derive the inclusive `inputTokens`.
 *   Anthropic does *not* break extended-thinking out of `output_tokens`, so
 *   `reasoningTokens` is `undefined` and `outputTokens` carries the
 *   combined total — a documented limitation of the Anthropic API.
@@ -191,16 +190,10 @@ export const ToolError = Schema.Struct({
 }).annotate({ identifier: "LLM.Event.ToolError" })
 export type ToolError = Schema.Schema.Type<typeof ToolError>

-export const FinishReasonDetails = Schema.Struct({
-  normalized: FinishReason,
-  raw: Schema.optional(Schema.String),
-}).annotate({ identifier: "LLM.FinishReasonDetails" })
-export type FinishReasonDetails = Schema.Schema.Type<typeof FinishReasonDetails>
-
 export const StepFinish = Schema.Struct({
  type: Schema.tag("step-finish"),
  index: Schema.Number,
-  reason: FinishReasonDetails,
+  reason: FinishReason,
  usage: Schema.optional(Usage),
  providerMetadata: Schema.optional(ProviderMetadata),
 }).annotate({ identifier: "LLM.Event.StepFinish" })
@@ -208,7 +201,7 @@ export type StepFinish = Schema.Schema.Type<typeof StepFinish>

 export const Finish = Schema.Struct({
  type: Schema.tag("finish"),
-  reason: FinishReasonDetails,
+  reason: FinishReason,
  usage: Schema.optional(Usage),
  providerMetadata: Schema.optional(ProviderMetadata),
 }).annotate({ identifier: "LLM.Event.Finish" })
@@ -371,7 +364,7 @@ interface ResponseState {
  readonly events: ReadonlyArray<LLMEvent>
  readonly message: Message
  readonly usage?: Usage
-  readonly finishReason?: FinishReasonDetails
+  readonly finishReason?: FinishReason
  readonly textParts: Readonly<Record<string, ContentAssembly>>
  readonly reasoningParts: Readonly<Record<string, ContentAssembly>>
  readonly toolInputs: Readonly<Record<string, ToolInputAssembly>>
@@ -399,7 +392,7 @@ const appendEvent = (state: ResponseState, event: LLMEvent): ResponseState => {
    return {
      ...state,
      events,
-      finishReason: state.finishReason ?? { normalized: "error" },
+      finishReason: state.finishReason ?? "error",
    }
  }
  return {
@@ -586,7 +579,7 @@ export class LLMResponse extends Schema.Class<LLMResponse>("LLM.Response")({
  message: Message,
  events: Schema.Array(LLMEvent),
  usage: Schema.optional(Usage),
-  finishReason: FinishReasonDetails,
+  finishReason: FinishReason,
 }) {
  /** Concatenated assistant text assembled from streamed `text-delta` events. */
  get text() {
@@ -261,6 +261,13 @@ export namespace ToolChoice {
  }
 }

+export const ResponseFormat = Schema.Union([
+  Schema.Struct({ type: Schema.Literal("text") }),
+  Schema.Struct({ type: Schema.Literal("json"), schema: JsonSchema }),
+  Schema.Struct({ type: Schema.Literal("tool"), tool: ToolDefinition }),
+]).pipe(Schema.toTaggedUnion("type"))
+export type ResponseFormat = Schema.Schema.Type<typeof ResponseFormat>
+
 export class LLMRequest extends Schema.Class<LLMRequest>("LLM.Request")({
  id: Schema.optional(Schema.String),
  model: ModelSchema,
@@ -271,6 +278,7 @@ export class LLMRequest extends Schema.Class<LLMRequest>("LLM.Request")({
  generation: Schema.optional(GenerationOptions),
  providerOptions: Schema.optional(ProviderOptions),
  http: Schema.optional(HttpOptions),
+  responseFormat: Schema.optional(ResponseFormat),
  cache: Schema.optional(CachePolicy),
  metadata: Schema.optional(Schema.Record(Schema.String, Schema.Unknown)),
 }) {}
@@ -288,6 +296,7 @@ export namespace LLMRequest {
    generation: request.generation,
    providerOptions: request.providerOptions,
    http: request.http,
+    responseFormat: request.responseFormat,
    cache: request.cache,
    metadata: request.metadata,
  })
@@ -168,7 +168,6 @@ export type ModelToolSchemaCompatibility = Schema.Schema.Type<typeof ModelToolSc

 export class ModelCompatibility extends Schema.Class<ModelCompatibility>("LLM.ModelCompatibility")({
  toolSchema: Schema.optional(ModelToolSchemaCompatibility),
-  reasoningField: Schema.optional(Schema.String),
 }) {}

 export namespace ModelCompatibility {
@@ -68,29 +68,10 @@ const result = (call: ToolCallPart, value: ToolResultValueType | ToolSettlement,
    events:
      settlement.result.type === "error"
        ? [
-            LLMEvent.toolError({
-              id: call.id,
-              name: call.name,
-              message: String(settlement.result.value),
-              error,
-              providerMetadata: call.providerMetadata,
-            }),
-            LLMEvent.toolResult({
-              id: call.id,
-              name: call.name,
-              result: settlement.result,
-              providerMetadata: call.providerMetadata,
-            }),
+            LLMEvent.toolError({ id: call.id, name: call.name, message: String(settlement.result.value), error }),
+            LLMEvent.toolResult({ id: call.id, name: call.name, result: settlement.result }),
          ]
-        : [
-            LLMEvent.toolResult({
-              id: call.id,
-              name: call.name,
-              result: settlement.result,
-              output: settlement.output,
-              providerMetadata: call.providerMetadata,
-            }),
-          ],
+        : [LLMEvent.toolResult({ id: call.id, name: call.name, result: settlement.result, output: settlement.output })],
  }
 }

@@ -40,7 +40,7 @@ const fakeFraming: FramingDef<FakeEvent> = {

 const raiseEvent = (event: FakeEvent): import("../src/schema").LLMEvent =>
  event.type === "finish"
-    ? { type: "finish", reason: { normalized: event.reason } }
+    ? { type: "finish", reason: event.reason }
    : { type: "text-delta", id: "text-0", text: event.text }

 const fakeProtocol = Protocol.make<FakeBody, FakeEvent, FakeEvent, void>({
@@ -1,35 +0,0 @@
-{
-  "version": 1,
-  "metadata": {
-    "tags": [
-      "prefix:pdf",
-      "pdf",
-      "provider:anthropic",
-      "protocol:anthropic-messages",
-      "tool",
-      "tool-result"
-    ],
-    "name": "pdf/anthropic-tool-result",
-    "recordedAt": "2026-07-22T18:15:39.002Z"
-  },
-  "interactions": [
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://api.anthropic.com/v1/messages",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"model\":\"claude-haiku-4-5-20251001\",\"system\":[{\"type\":\"text\",\"text\":\"Read the PDF returned by the tool and follow the user's response format exactly.\"}],\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Return only the verification code from the PDF.\"}]},{\"role\":\"assistant\",\"content\":[{\"type\":\"tool_use\",\"id\":\"call_pdf_1\",\"name\":\"read_pdf\",\"input\":{}}]},{\"role\":\"user\",\"content\":[{\"type\":\"tool_result\",\"tool_use_id\":\"call_pdf_1\",\"content\":[{\"type\":\"text\",\"text\":\"PDF read successfully\"},{\"type\":\"document\",\"source\":{\"type\":\"base64\",\"media_type\":\"application/pdf\",\"data\":\"JVBERi0xLjQKMSAwIG9iago8PCAvVHlwZSAvQ2F0YWxvZyAvUGFnZXMgMiAwIFIgPj4KZW5kb2JqCjIgMCBvYmoKPDwgL1R5cGUgL1BhZ2VzIC9LaWRzIFszIDAgUl0gL0NvdW50IDEgPj4KZW5kb2JqCjMgMCBvYmoKPDwgL1R5cGUgL1BhZ2UgL1BhcmVudCAyIDAgUiAvTWVkaWFCb3ggWzAgMCA2MTIgNzkyXSAvUmVzb3VyY2VzIDw8IC9Gb250IDw8IC9GMSA1IDAgUiA+PiA+PiAvQ29udGVudHMgNCAwIFIgPj4KZW5kb2JqCjQgMCBvYmoKPDwgL0xlbmd0aCA3NSA+PgpzdHJlYW0KQlQKL0YxIDE4IFRmCjcyIDcyMCBUZAooUERGIGNhc3NldHRlIHZlcmlmaWNhdGlvbiBjb2RlOiBPUkNISUQtNzM5MSkgVGoKRVQKZW5kc3RyZWFtCmVuZG9iago1IDAgb2JqCjw8IC9UeXBlIC9Gb250IC9TdWJ0eXBlIC9UeXBlMSAvQmFzZUZvbnQgL0hlbHZldGljYSA+PgplbmRvYmoKeHJlZgowIDYKMDAwMDAwMDAwMCA2NTUzNSBmIAowMDAwMDAwMDA5IDAwMDAwIG4gCjAwMDAwMDAwNTggMDAwMDAgbiAKMDAwMDAwMDExNSAwMDAwMCBuIAowMDAwMDAwMjQxIDAwMDAwIG4gCjAwMDAwMDAzNjUgMDAwMDAgbiAKdHJhaWxlcgo8PCAvU2l6ZSA2IC9Sb290IDEgMCBSID4+CnN0YXJ0eHJlZgo0MzUKJSVFT0YK\"}}]}]}],\"tools\":[{\"name\":\"read_pdf\",\"description\":\"Read the attached PDF.\",\"input_schema\":{\"type\":\"object\",\"properties\":{},\"additionalProperties\":false}}],\"stream\":true,\"max_tokens\":40,\"temperature\":0}"
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "text/event-stream; charset=utf-8"
-        },
-        "body": "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"model\":\"claude-haiku-4-5-20251001\",\"id\":\"msg_011CdHYzxyRpSVFgwTm6ccUr\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"stop_reason\":null,\"stop_sequence\":null,\"stop_details\":null,\"usage\":{\"input_tokens\":2229,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"cache_creation\":{\"ephemeral_5m_input_tokens\":0,\"ephemeral_1h_input_tokens\":0},\"output_tokens\":2,\"service_tier\":\"standard\",\"inference_geo\":\"not_available\"}}        }\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"text\",\"text\":\"\"}              }\n\nevent: ping\ndata: {\"type\": \"ping\"}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"ORCH\"}  }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"ID-7391\"}           }\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0               }\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"end_turn\",\"stop_sequence\":null,\"stop_details\":null},\"usage\":{\"input_tokens\":2229,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"output_tokens\":9}       }\n\nevent: message_stop\ndata: {\"type\":\"message_stop\" }\n\n"
-      }
-    }
-  ]
-}
@@ -1,34 +0,0 @@
-{
-  "version": 1,
-  "metadata": {
-    "tags": [
-      "prefix:pdf",
-      "pdf",
-      "provider:anthropic",
-      "protocol:anthropic-messages",
-      "user-input"
-    ],
-    "name": "pdf/anthropic-user-input",
-    "recordedAt": "2026-07-22T18:15:37.979Z"
-  },
-  "interactions": [
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://api.anthropic.com/v1/messages",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"model\":\"claude-haiku-4-5-20251001\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"document\",\"source\":{\"type\":\"base64\",\"media_type\":\"application/pdf\",\"data\":\"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\"}},{\"type\":\"text\",\"text\":\"Return only the verification code from the PDF.\"}]}],\"stream\":true,\"max_tokens\":40,\"temperature\":0}"
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "text/event-stream; charset=utf-8"
-        },
-        "body": "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"model\":\"claude-haiku-4-5-20251001\",\"id\":\"msg_011CdHYzsayb45rgfamcjFt3\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"stop_reason\":null,\"stop_sequence\":null,\"stop_details\":null,\"usage\":{\"input_tokens\":1602,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"cache_creation\":{\"ephemeral_5m_input_tokens\":0,\"ephemeral_1h_input_tokens\":0},\"output_tokens\":2,\"service_tier\":\"standard\",\"inference_geo\":\"not_available\"}}           }\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"text\",\"text\":\"\"}         }\n\nevent: ping\ndata: {\"type\": \"ping\"}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"ORCH\"}              }\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"ID-7391\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0      }\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"end_turn\",\"stop_sequence\":null,\"stop_details\":null},\"usage\":{\"input_tokens\":1602,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"output_tokens\":9}    }\n\nevent: message_stop\ndata: {\"type\":\"message_stop\"              }\n\n"
-      }
-    }
-  ]
-}
@@ -1,36 +0,0 @@
-{
-  "version": 1,
-  "metadata": {
-    "tags": [
-      "prefix:pdf",
-      "pdf",
-      "provider:amazon-bedrock",
-      "protocol:bedrock-converse",
-      "tool",
-      "tool-result"
-    ],
-    "name": "pdf/bedrock-tool-result",
-    "recordedAt": "2026-07-22T18:15:52.400Z"
-  },
-  "interactions": [
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://bedrock-runtime.us-east-1.amazonaws.com/model/us.anthropic.claude-haiku-4-5-20251001-v1%3A0/converse-stream",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"modelId\":\"us.anthropic.claude-haiku-4-5-20251001-v1:0\",\"messages\":[{\"role\":\"user\",\"content\":[{\"text\":\"Return only the verification code from the PDF.\"}]},{\"role\":\"assistant\",\"content\":[{\"toolUse\":{\"toolUseId\":\"call_pdf_1\",\"name\":\"read_pdf\",\"input\":{}}}]},{\"role\":\"user\",\"content\":[{\"toolResult\":{\"toolUseId\":\"call_pdf_1\",\"content\":[{\"text\":\"PDF read successfully\"},{\"document\":{\"format\":\"pdf\",\"name\":\"verification\",\"source\":{\"bytes\":\"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\"}}}],\"status\":\"success\"}}]}],\"system\":[{\"text\":\"Read the PDF returned by the tool and follow the user's response format exactly.\"}],\"inferenceConfig\":{\"maxTokens\":40,\"temperature\":0},\"toolConfig\":{\"tools\":[{\"toolSpec\":{\"name\":\"read_pdf\",\"description\":\"Read the attached PDF.\",\"inputSchema\":{\"json\":{\"type\":\"object\",\"properties\":{},\"additionalProperties\":false}}}}]}}"
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "application/vnd.amazon.eventstream"
-        },
-        "body": "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",
-        "bodyEncoding": "base64"
-      }
-    }
-  ]
-}
@@ -1,35 +0,0 @@
-{
-  "version": 1,
-  "metadata": {
-    "tags": [
-      "prefix:pdf",
-      "pdf",
-      "provider:amazon-bedrock",
-      "protocol:bedrock-converse",
-      "user-input"
-    ],
-    "name": "pdf/bedrock-user-input",
-    "recordedAt": "2026-07-22T18:15:48.408Z"
-  },
-  "interactions": [
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://bedrock-runtime.us-east-1.amazonaws.com/model/us.anthropic.claude-haiku-4-5-20251001-v1%3A0/converse-stream",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"modelId\":\"us.anthropic.claude-haiku-4-5-20251001-v1:0\",\"messages\":[{\"role\":\"user\",\"content\":[{\"document\":{\"format\":\"pdf\",\"name\":\"verification\",\"source\":{\"bytes\":\"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\"}}},{\"text\":\"Return only the verification code from the PDF.\"}]}],\"inferenceConfig\":{\"maxTokens\":40,\"temperature\":0}}"
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "application/vnd.amazon.eventstream"
-        },
-        "body": "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",
-        "bodyEncoding": "base64"
-      }
-    }
-  ]
-}
@@ -1,53 +0,0 @@
-{
-  "version": 1,
-  "metadata": {
-    "tags": [
-      "prefix:pdf",
-      "pdf",
-      "provider:google",
-      "protocol:gemini",
-      "tool",
-      "tool-result"
-    ],
-    "name": "pdf/gemini-tool-result",
-    "recordedAt": "2026-07-22T18:21:59.606Z"
-  },
-  "interactions": [
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://generativelanguage.googleapis.com/v1beta/models/gemini-3.5-flash:streamGenerateContent?alt=sse",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"contents\":[{\"role\":\"user\",\"parts\":[{\"text\":\"Use read_pdf with path verification.pdf and return the verification code.\"}]}],\"systemInstruction\":{\"parts\":[{\"text\":\"Call read_pdf exactly once with path verification.pdf, then reply only with the verification code from its PDF.\"}]},\"tools\":[{\"functionDeclarations\":[{\"name\":\"read_pdf\",\"description\":\"Read the attached PDF.\",\"parameters\":{\"required\":[\"path\"],\"type\":\"object\",\"properties\":{\"path\":{\"type\":\"string\"}}}}]}],\"generationConfig\":{\"maxOutputTokens\":256,\"temperature\":0}}"
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "text/event-stream"
-        },
-        "body": "data: {\"candidates\": [{\"content\": {\"parts\": [{\"functionCall\": {\"name\": \"read_pdf\",\"args\": {\"path\": \"verification.pdf\"},\"id\": \"58shgmez\"},\"thoughtSignature\": \"EqkCCqYCARFNMg/JrCTv5i3zYENFBVpZNFL3pbzJmi5Eu387ncF703xFMB4pwyaP7a1gi49EqBhCI2hWOpesU5nZQOLAhGgExKGa2GM+HzpEB5g62r0NFblm/BGkVZaImTuHR7bytfRC5jHQlHKo4OS27OLUVjvkMkBIYsvjhDErY7niERbXJVpyxTVqUf1GgZMSu8kC9/5WDlMs9xVKNT/6KMW4PhhSR9nXg4KZUa+bC03/ydhsWWgBa5aLCgvTq7WPj217xIsmUkSiRedIffPsUSNjYdMHUvWi8bOlvM1veEEP6GIfv5h9gXXzjnHbEHfQxV8PZuBAyY7iM6nqyfkJNdkZ1HdB7DXMBsMsRN6SgrIrFoXX2WaGrkoEI5tdZx1t/gdwF1jEVT6k\"}],\"role\": \"model\"},\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 81,\"candidatesTokenCount\": 18,\"totalTokenCount\": 151,\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 81}],\"thoughtsTokenCount\": 52,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"RAphaui3OaSHz7IPy8Kb4Ak\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"\"}],\"role\": \"model\"},\"finishReason\": \"STOP\",\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 81,\"candidatesTokenCount\": 18,\"totalTokenCount\": 151,\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 81}],\"thoughtsTokenCount\": 52,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"RAphaui3OaSHz7IPy8Kb4Ak\"}\r\n\r\n"
-      }
-    },
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://generativelanguage.googleapis.com/v1beta/models/gemini-3.5-flash:streamGenerateContent?alt=sse",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"contents\":[{\"role\":\"user\",\"parts\":[{\"text\":\"Use read_pdf with path verification.pdf and return the verification code.\"}]},{\"role\":\"model\",\"parts\":[{\"functionCall\":{\"id\":\"58shgmez\",\"name\":\"read_pdf\",\"args\":{\"path\":\"verification.pdf\"}},\"thoughtSignature\":\"EqkCCqYCARFNMg/JrCTv5i3zYENFBVpZNFL3pbzJmi5Eu387ncF703xFMB4pwyaP7a1gi49EqBhCI2hWOpesU5nZQOLAhGgExKGa2GM+HzpEB5g62r0NFblm/BGkVZaImTuHR7bytfRC5jHQlHKo4OS27OLUVjvkMkBIYsvjhDErY7niERbXJVpyxTVqUf1GgZMSu8kC9/5WDlMs9xVKNT/6KMW4PhhSR9nXg4KZUa+bC03/ydhsWWgBa5aLCgvTq7WPj217xIsmUkSiRedIffPsUSNjYdMHUvWi8bOlvM1veEEP6GIfv5h9gXXzjnHbEHfQxV8PZuBAyY7iM6nqyfkJNdkZ1HdB7DXMBsMsRN6SgrIrFoXX2WaGrkoEI5tdZx1t/gdwF1jEVT6k\"}]},{\"role\":\"user\",\"parts\":[{\"functionResponse\":{\"id\":\"58shgmez\",\"name\":\"read_pdf\",\"response\":{\"name\":\"read_pdf\",\"content\":\"PDF read successfully\"},\"parts\":[{\"inlineData\":{\"mimeType\":\"application/pdf\",\"data\":\"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\"}}]}}]}],\"systemInstruction\":{\"parts\":[{\"text\":\"Call read_pdf exactly once with path verification.pdf, then reply only with the verification code from its PDF.\"}]},\"tools\":[{\"functionDeclarations\":[{\"name\":\"read_pdf\",\"description\":\"Read the attached PDF.\",\"parameters\":{\"required\":[\"path\"],\"type\":\"object\",\"properties\":{\"path\":{\"type\":\"string\"}}}}]}],\"generationConfig\":{\"maxOutputTokens\":256,\"temperature\":0}}"
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "text/event-stream"
-        },
-        "body": "data: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"ORCHID-7391\"}],\"role\": \"model\"},\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 123,\"candidatesTokenCount\": 8,\"totalTokenCount\": 184,\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 123}],\"thoughtsTokenCount\": 53,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"RgphaoL6CMjQz7IPjOnEmQI\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"\",\"thoughtSignature\": \"EqECCp4CARFNMg9obBl8O6iU9lawUIWiE+1vztZm9NtaT9FuyJz343hd9ruz+xPco4Q1DY1GF81ZiSI2ElBkt8Wfwsqtix9LNGSMvbZhhk/ZnB54t05M/Dft1kujcMvEdZUWUI/jWaJ349tO1bKVH9MacG5+gl0n4y8DwyQZSV3xIcet547drSkcA/TM03RB+yj1/dcLHsvUjmv9EnO897vZgO2Dk4tbZ2NyCtOeQ3JKVhUTLg2pjkGk+POCNiOdESWiUzxdQKw9LiV6nnzi071tXNiMeVimq6d7xAzRVNapI2uXynvn9Uk3eyn85purOFa8cKriK9oD6vcyGMqgd9+gu2m3to0IHqd7o+2YSr1m5qV1xT1R2/WRQEtb1b1AuOAU6w==\"}],\"role\": \"model\"},\"finishReason\": \"STOP\",\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 1277,\"candidatesTokenCount\": 8,\"totalTokenCount\": 1338,\"promptTokensDetails\": [{\"modality\": \"IMAGE\",\"tokenCount\": 1102},{\"modality\": \"TEXT\",\"tokenCount\": 175}],\"thoughtsTokenCount\": 53,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"RgphaoL6CMjQz7IPjOnEmQI\"}\r\n\r\n"
-      }
-    }
-  ]
-}
@@ -1,34 +0,0 @@
-{
-  "version": 1,
-  "metadata": {
-    "tags": [
-      "prefix:pdf",
-      "pdf",
-      "provider:google",
-      "protocol:gemini",
-      "user-input"
-    ],
-    "name": "pdf/gemini-user-input",
-    "recordedAt": "2026-07-22T18:20:55.140Z"
-  },
-  "interactions": [
-    {
-      "transport": "http",
-      "request": {
-        "method": "POST",
-        "url": "https://generativelanguage.googleapis.com/v1beta/models/gemini-3.5-flash:streamGenerateContent?alt=sse",
-        "headers": {
-          "content-type": "application/json"
-        },
-        "body": "{\"contents\":[{\"role\":\"user\",\"parts\":[{\"inlineData\":{\"mimeType\":\"application/pdf\",\"data\":\"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\"}},{\"text\":\"Return only the verification code from the PDF.\"}]}],\"generationConfig\":{\"maxOutputTokens\":256,\"temperature\":0}}"
-      },
-      "response": {
-        "status": 200,
-        "headers": {
-          "content-type": "text/event-stream"
-        },
-        "body": "data: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"ORCH\"}],\"role\": \"model\"},\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 10,\"candidatesTokenCount\": 2,\"totalTokenCount\": 127,\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 10}],\"thoughtsTokenCount\": 115,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"BQpharW2KaPgz7IP6uSLiAw\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"ID-7391\"}],\"role\": \"model\"},\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 10,\"candidatesTokenCount\": 8,\"totalTokenCount\": 133,\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 10}],\"thoughtsTokenCount\": 115,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"BQpharW2KaPgz7IP6uSLiAw\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"parts\": [{\"text\": \"\",\"thoughtSignature\": \"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\"}],\"role\": \"model\"},\"finishReason\": \"STOP\",\"index\": 0}],\"usageMetadata\": {\"promptTokenCount\": 530,\"candidatesTokenCount\": 8,\"totalTokenCount\": 653,\"promptTokensDetails\": [{\"modality\": \"IMAGE\",\"tokenCount\": 520},{\"modality\": \"TEXT\",\"tokenCount\": 10}],\"thoughtsTokenCount\": 115,\"serviceTier\": \"standard\"},\"modelVersion\": \"gemini-3.5-flash\",\"responseId\": \"BQpharW2KaPgz7IP6uSLiAw\"}\r\n\r\n"
-      }
-    }
-  ]
-}
@@ -59,12 +59,7 @@ export const runTools = <T extends Tools>(options: RunOptions<T>) =>
            ...request.messages,
            Message.assistant(state.assistantContent),
            ...dispatched.map(([call, dispatched]) =>
-              Message.tool({
-                id: call.id,
-                name: call.name,
-                result: dispatched.result,
-                providerMetadata: call.providerMetadata,
-              }),
+              Message.tool({ id: call.id, name: call.name, result: dispatched.result }),
            ),
          ],
        })
@@ -83,7 +78,7 @@ const indexStep = (event: LLMEvent, index: number): LLMEvent => {
 const stepState = (events: ReadonlyArray<LLMEvent>) => {
  const assistantContent: ContentPart[] = []
  const toolCalls: ToolCallPart[] = []
-  let reason: Extract<LLMEvent, { type: "finish" }>["reason"] = { normalized: "unknown" }
+  let reason: Extract<LLMEvent, { type: "finish" }>["reason"] = "unknown"
  let usage: Usage | undefined
  let providerMetadata: ProviderMetadata | undefined

@@ -191,7 +191,7 @@ describe("llm constructors", () => {
      LLMResponse.text({
        events: [
          { type: "text-delta", id: "text-0", text: "hi" },
-          { type: "finish", reason: { normalized: "stop" } },
+          { type: "finish", reason: "stop" },
        ],
      }),
    ).toBe("hi")
@@ -235,37 +235,9 @@ describe("Anthropic Messages route", () => {
    }),
  )

-  it.effect("keeps tools and sends tool_choice none", () =>
-    Effect.gen(function* () {
-      const prepared = yield* LLMClient.prepare<AnthropicMessages.AnthropicMessagesBody>(
-        LLM.request({
-          id: "req_tool_choice_none",
-          model,
-          tools: [{ name: "lookup", description: "Look things up", inputSchema: { type: "object", properties: {} } }],
-          messages: [
-            Message.user("What is the weather?"),
-            Message.assistant([ToolCallPart.make({ id: "call_1", name: "lookup", input: { query: "weather" } })]),
-            Message.tool({ id: "call_1", name: "lookup", result: { forecast: "sunny" } }),
-          ],
-          toolChoice: "none",
-          cache: "none",
-        }),
-      )
-
-      expect(prepared.body.tools).toEqual([
-        {
-          name: "lookup",
-          description: "Look things up",
-          input_schema: { type: "object", properties: {} },
-        },
-      ])
-      expect(prepared.body.tool_choice).toEqual({ type: "none" })
-    }),
-  )
-
-  // Regression: read tool results must stay structured so base64 media data is
-  // not JSON-stringified into `tool_result.content`.
-  it.effect("lowers media tool-result content as structured blocks", () =>
+  // Regression: screenshot/read tool results must stay structured so base64
+  // image data is not JSON-stringified into `tool_result.content`.
+  it.effect("lowers image tool-result content as structured image blocks", () =>
    Effect.gen(function* () {
      const prepared = yield* LLMClient.prepare<AnthropicMessages.AnthropicMessagesBody>(
        LLM.request({
@@ -281,7 +253,6 @@ describe("Anthropic Messages route", () => {
              result: [
                { type: "text", text: "Image read successfully" },
                { type: "file", uri: "data:image/png;base64,AAECAw==", mime: "image/png" },
-                { type: "file", uri: "data:application/pdf;base64,JVBERi0xLjQ=", mime: "application/pdf" },
              ],
            }),
          ],
@@ -292,7 +263,6 @@ describe("Anthropic Messages route", () => {
      expect(expectToolResult(prepared.body).content).toEqual([
        { type: "text", text: "Image read successfully" },
        { type: "image", source: { type: "base64", media_type: "image/png", data: "AAECAw==" } },
-        { type: "document", source: { type: "base64", media_type: "application/pdf", data: "JVBERi0xLjQ=" } },
      ])
    }),
  )
@@ -322,7 +292,7 @@ describe("Anthropic Messages route", () => {
    }),
  )

-  it.effect("rejects unsupported media in tool-result content with a clear error", () =>
+  it.effect("rejects non-image media in tool-result content with a clear error", () =>
    Effect.gen(function* () {
      const error = yield* LLMClient.prepare(
        LLM.request({
@@ -409,34 +379,6 @@ describe("Anthropic Messages route", () => {
    }),
  )

-  it.effect("round-trips redacted thinking as redacted_thinking blocks", () =>
-    Effect.gen(function* () {
-      const prepared = yield* LLMClient.prepare(
-        LLM.request({
-          model,
-          messages: [
-            Message.assistant([
-              { type: "reasoning", text: "", providerMetadata: { anthropic: { redactedData: "opaque_1" } } },
-              { type: "reasoning", text: "visible", providerMetadata: { anthropic: { signature: "sig_1" } } },
-            ]),
-          ],
-        }),
-      )
-
-      expect(prepared.body).toMatchObject({
-        messages: [
-          {
-            role: "assistant",
-            content: [
-              { type: "redacted_thinking", data: "opaque_1" },
-              { type: "thinking", thinking: "visible", signature: "sig_1" },
-            ],
-          },
-        ],
-      })
-    }),
-  )
-
  it.effect("parses text, reasoning, and usage stream fixtures", () =>
    Effect.gen(function* () {
      const body = sseEvents(
@@ -476,149 +418,12 @@ describe("Anthropic Messages route", () => {
      ])
      expect(response.events.at(-1)).toMatchObject({
        type: "finish",
-        reason: { normalized: "stop", raw: "end_turn" },
+        reason: "stop",
        providerMetadata: { anthropic: { stopSequence: "\n\nHuman:" } },
      })
    }),
  )

-  it.effect("parses redacted thinking into empty reasoning with redactedData metadata", () =>
-    Effect.gen(function* () {
-      const body = sseEvents(
-        { type: "message_start", message: { usage: { input_tokens: 5 } } },
-        { type: "content_block_start", index: 0, content_block: { type: "redacted_thinking", data: "opaque_1" } },
-        { type: "content_block_stop", index: 0 },
-        { type: "content_block_start", index: 1, content_block: { type: "text", text: "" } },
-        { type: "content_block_delta", index: 1, delta: { type: "text_delta", text: "Hello" } },
-        { type: "content_block_stop", index: 1 },
-        { type: "message_delta", delta: { stop_reason: "end_turn" }, usage: { output_tokens: 2 } },
-        { type: "message_stop" },
-      )
-      const response = yield* LLMClient.generate(request).pipe(Effect.provide(fixedResponse(body)))
-
-      expect(response.events.find((event) => event.type === "reasoning-start")).toMatchObject({
-        providerMetadata: { anthropic: { redactedData: "opaque_1" } },
-      })
-      expect(response.message.content).toEqual([
-        { type: "reasoning", text: "", providerMetadata: { anthropic: { redactedData: "opaque_1" } } },
-        { type: "text", text: "Hello" },
-      ])
-    }),
-  )
-
-  it.effect("round-trips streamed redacted thinking with tool use into a continuation request", () =>
-    Effect.gen(function* () {
-      // Anthropic types `redacted_thinking.data` as an opaque string. Its
-      // contents are provider-owned and must be replayed without inspection.
-      const redactedData = "cmVkYWN0ZWQtdGhpbmtpbmc="
-      const response = yield* LLMClient.generate(
-        LLM.updateRequest(request, {
-          tools: [{ name: "lookup", description: "Lookup data", inputSchema: { type: "object" } }],
-        }),
-      ).pipe(
-        Effect.provide(
-          fixedResponse(
-            sseEvents(
-              { type: "message_start", message: { usage: { input_tokens: 5 } } },
-              {
-                type: "content_block_start",
-                index: 0,
-                content_block: { type: "redacted_thinking", data: redactedData },
-              },
-              { type: "content_block_stop", index: 0 },
-              {
-                type: "content_block_start",
-                index: 1,
-                content_block: { type: "tool_use", id: "call_1", name: "lookup" },
-              },
-              {
-                type: "content_block_delta",
-                index: 1,
-                delta: { type: "input_json_delta", partial_json: '{"query":"weather"}' },
-              },
-              { type: "content_block_stop", index: 1 },
-              { type: "message_delta", delta: { stop_reason: "tool_use" }, usage: { output_tokens: 1 } },
-              { type: "message_stop" },
-            ),
-          ),
-        ),
-      )
-      const prepared = yield* LLMClient.prepare<AnthropicMessages.AnthropicMessagesBody>(
-        LLM.request({
-          model,
-          messages: [
-            Message.user("Say hello."),
-            response.message,
-            Message.tool({ id: "call_1", name: "lookup", result: "sunny", resultType: "text" }),
-          ],
-          tools: [{ name: "lookup", description: "Lookup data", inputSchema: { type: "object" } }],
-          cache: "none",
-        }),
-      )
-
-      expect(prepared.body.messages).toEqual([
-        { role: "user", content: [{ type: "text", text: "Say hello." }] },
-        {
-          role: "assistant",
-          content: [
-            { type: "redacted_thinking", data: redactedData },
-            { type: "tool_use", id: "call_1", name: "lookup", input: { query: "weather" } },
-          ],
-        },
-        {
-          role: "user",
-          content: [
-            {
-              type: "tool_result",
-              tool_use_id: "call_1",
-              content: "sunny",
-              is_error: undefined,
-              cache_control: undefined,
-            },
-          ],
-        },
-      ])
-    }),
-  )
-
-  it.effect("maps context-window truncation to length", () =>
-    Effect.gen(function* () {
-      const response = yield* LLMClient.generate(request).pipe(
-        Effect.provide(
-          fixedResponse(
-            sseEvents(
-              { type: "message_start", message: { usage: { input_tokens: 5 } } },
-              {
-                type: "message_delta",
-                delta: { stop_reason: "model_context_window_exceeded" },
-                usage: { output_tokens: 1 },
-              },
-            ),
-          ),
-        ),
-      )
-
-      expect(response.finishReason).toEqual({ normalized: "length", raw: "model_context_window_exceeded" })
-    }),
-  )
-
-  it.effect("preserves pause_turn while normalizing it to stop", () =>
-    Effect.gen(function* () {
-      const response = yield* LLMClient.generate(request).pipe(
-        Effect.provide(
-          fixedResponse(
-            sseEvents(
-              { type: "message_start", message: { usage: { input_tokens: 5 } } },
-              { type: "message_delta", delta: { stop_reason: "pause_turn" }, usage: { output_tokens: 1 } },
-            ),
-          ),
-        ),
-      )
-
-      expect(response.finishReason).toEqual({ normalized: "stop", raw: "pause_turn" })
-    }),
-  )
-
  it.effect("assembles streamed tool call input", () =>
    Effect.gen(function* () {
      const body = sseEvents(
@@ -668,16 +473,10 @@ describe("Anthropic Messages route", () => {
          providerExecuted: undefined,
          providerMetadata: undefined,
        },
-        {
-          type: "step-finish",
-          index: 0,
-          reason: { normalized: "tool-calls", raw: "tool_use" },
-          usage,
-          providerMetadata: undefined,
-        },
+        { type: "step-finish", index: 0, reason: "tool-calls", usage, providerMetadata: undefined },
        {
          type: "finish",
-          reason: { normalized: "tool-calls", raw: "tool_use" },
+          reason: "tool-calls",
          providerMetadata: undefined,
          usage,
        },
@@ -835,20 +634,10 @@ describe("Anthropic Messages route", () => {
        name: "web_search",
        result: { type: "json", value: [{ type: "web_search_result", url: "https://example.com", title: "Example" }] },
        providerExecuted: true,
-        // The complete payload rides in provider metadata as irreducible replay
-        // state for later stateless requests.
-        providerMetadata: {
-          anthropic: {
-            blockType: "web_search_tool_result",
-            result: [{ type: "web_search_result", url: "https://example.com", title: "Example" }],
-          },
-        },
+        providerMetadata: { anthropic: { blockType: "web_search_tool_result" } },
      })
      expect(response.text).toBe("Found it.")
-      expect(response.events.at(-1)).toMatchObject({
-        type: "finish",
-        reason: { normalized: "stop", raw: "end_turn" },
-      })
+      expect(response.events.at(-1)).toMatchObject({ type: "finish", reason: "stop" })
    }),
  )

@@ -967,7 +756,7 @@ describe("Anthropic Messages route", () => {
    }),
  )

-  it.effect("continues a conversation with user media content", () =>
+  it.effect("continues a conversation with user image content", () =>
    Effect.gen(function* () {
      const response = yield* LLMClient.generate(
        LLM.request({
@@ -977,7 +766,6 @@ describe("Anthropic Messages route", () => {
            Message.user([
              { type: "text", text: "What is in this image?" },
              { type: "media", mediaType: "image/png", data: "AAECAw==" },
-              { type: "media", mediaType: "application/pdf", data: "JVBERi0xLjQ=", filename: "report.pdf" },
            ]),
          ],
        }),
@@ -993,7 +781,6 @@ describe("Anthropic Messages route", () => {
                    content: [
                      { type: "text", text: "What is in this image?" },
                      { type: "image", source: { type: "base64", media_type: "image/png", data: "AAECAw==" } },
-                      { type: "document", source: { type: "base64", media_type: "application/pdf", data: "JVBERi0xLjQ=" } },
                    ],
                  },
                ],
@@ -13,8 +13,12 @@ const RECORDING_REGION = process.env.BEDROCK_RECORDING_REGION ?? "us-east-1"
 // call wouldn't deterministically prove cache mapping works. Override with
 // BEDROCK_CACHE_MODEL_ID if your account has access elsewhere.
 const model = AmazonBedrock.configure({
-  apiKey: process.env.AWS_BEARER_TOKEN_BEDROCK ?? "fixture",
-  region: RECORDING_REGION,
+  credentials: {
+    region: RECORDING_REGION,
+    accessKeyId: process.env.AWS_ACCESS_KEY_ID ?? "fixture",
+    secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY ?? "fixture",
+    sessionToken: process.env.AWS_SESSION_TOKEN,
+  },
 }).model(process.env.BEDROCK_CACHE_MODEL_ID ?? "us.anthropic.claude-haiku-4-5-20251001-v1:0")

 const cacheRequest = LLM.request({
@@ -32,7 +36,7 @@ const recorded = recordedTests({
  prefix: "bedrock-converse-cache",
  provider: "amazon-bedrock",
  protocol: "bedrock-converse",
-  requires: ["AWS_BEARER_TOKEN_BEDROCK"],
+  requires: ["AWS_ACCESS_KEY_ID", "AWS_SECRET_ACCESS_KEY"],
  // Two identical requests in one cassette — replay walks the cassette in
  // recording order so the second call replays the cached-hit interaction.
 })
@@ -41,20 +45,10 @@ describe("Bedrock Converse cache recorded", () => {
  recorded.effect.with("writes then reads cachePoint on identical second call", { tags: ["cache"] }, () =>
    Effect.gen(function* () {
      const first = yield* LLMClient.generate(cacheRequest)
-      expect(first.usage?.cacheWriteInputTokens ?? 0).toBeGreaterThan(0)
-      expect(first.usage?.inputTokens).toBe(
-        (first.usage?.nonCachedInputTokens ?? 0) +
-          (first.usage?.cacheReadInputTokens ?? 0) +
-          (first.usage?.cacheWriteInputTokens ?? 0),
-      )
+      expect(first.usage?.cacheReadInputTokens ?? 0).toBeGreaterThanOrEqual(0)

      const second = yield* LLMClient.generate(cacheRequest)
      expect(second.usage?.cacheReadInputTokens ?? 0).toBeGreaterThan(0)
-      expect(second.usage?.inputTokens).toBe(
-        (second.usage?.nonCachedInputTokens ?? 0) +
-          (second.usage?.cacheReadInputTokens ?? 0) +
-          (second.usage?.cacheWriteInputTokens ?? 0),
-      )
    }),
  )
 })
@@ -154,36 +154,6 @@ describe("Bedrock Converse route", () => {
    }),
  )

-  it.effect("keeps tools and omits the unsupported choice when tool choice is none", () =>
-    Effect.gen(function* () {
-      const prepared = yield* LLMClient.prepare(
-        LLM.updateRequest(baseRequest, {
-          tools: [
-            {
-              name: "lookup",
-              description: "Lookup data",
-              inputSchema: { type: "object", properties: { query: { type: "string" } } },
-            },
-          ],
-          toolChoice: ToolChoice.make({ type: "none" }),
-        }),
-      )
-
-      expect(prepared.body.toolConfig).toMatchObject({
-        tools: [
-          {
-            toolSpec: {
-              name: "lookup",
-              description: "Lookup data",
-              inputSchema: { json: { type: "object", properties: { query: { type: "string" } } } },
-            },
-          },
-        ],
-      })
-      expect(prepared.body.toolConfig?.toolChoice).toBeUndefined()
-    }),
-  )
-
  it.effect("lowers assistant tool-call + tool-result message history", () =>
    Effect.gen(function* () {
      const prepared = yield* LLMClient.prepare(
@@ -290,10 +260,7 @@ describe("Bedrock Converse route", () => {
      // `metadata` (carries usage). We consolidate them into a single
      // terminal `finish` event with both.
      expect(finishes).toHaveLength(1)
-      expect(finishes[0]).toMatchObject({
-        type: "finish",
-        reason: { normalized: "stop", raw: "end_turn" },
-      })
+      expect(finishes[0]).toMatchObject({ type: "finish", reason: "stop" })
      expect(response.usage).toMatchObject({
        inputTokens: 5,
        outputTokens: 2,
@@ -302,56 +269,6 @@ describe("Bedrock Converse route", () => {
    }),
  )

-  it.effect("maps truncation and malformed output stop reasons", () =>
-    Effect.gen(function* () {
-      const reasons = [
-        ["model_context_window_exceeded", "length"],
-        ["malformed_model_output", "error"],
-        ["malformed_tool_use", "error"],
-      ] as const
-
-      for (const [raw, normalized] of reasons) {
-        const response = yield* LLMClient.generate(baseRequest).pipe(
-          Effect.provide(fixedBytes(eventStreamBody(["messageStop", { stopReason: raw }]))),
-        )
-        expect(response.finishReason).toEqual({ normalized, raw })
-      }
-    }),
-  )
-
-  it.effect("adds cache reads and writes to Bedrock input usage", () =>
-    Effect.gen(function* () {
-      const body = eventStreamBody(
-        ["messageStart", { role: "assistant" }],
-        ["contentBlockDelta", { contentBlockIndex: 0, delta: { text: "Hello" } }],
-        ["contentBlockStop", { contentBlockIndex: 0 }],
-        ["messageStop", { stopReason: "end_turn" }],
-        [
-          "metadata",
-          {
-            usage: {
-              inputTokens: 5,
-              outputTokens: 2,
-              totalTokens: 12,
-              cacheReadInputTokens: 3,
-              cacheWriteInputTokens: 2,
-            },
-          },
-        ],
-      )
-      const response = yield* LLMClient.generate(baseRequest).pipe(Effect.provide(fixedBytes(body)))
-
-      expect(response.usage).toMatchObject({
-        inputTokens: 10,
-        nonCachedInputTokens: 5,
-        cacheReadInputTokens: 3,
-        cacheWriteInputTokens: 2,
-        outputTokens: 2,
-        totalTokens: 12,
-      })
-    }),
-  )
-
  it.effect("assembles streamed tool call input", () =>
    Effect.gen(function* () {
      const body = eventStreamBody(
@@ -382,10 +299,7 @@ describe("Bedrock Converse route", () => {
        { type: "tool-input-delta", id: "tool_1", name: "lookup", text: '{"query"' },
        { type: "tool-input-delta", id: "tool_1", name: "lookup", text: ':"weather"}' },
      ])
-      expect(response.events.at(-1)).toMatchObject({
-        type: "finish",
-        reason: { normalized: "tool-calls", raw: "tool_use" },
-      })
+      expect(response.events.at(-1)).toMatchObject({ type: "finish", reason: "tool-calls" })
    }),
  )

@@ -411,7 +325,7 @@ describe("Bedrock Converse route", () => {
        name: "lookup",
        raw: '{"query":"partial',
      })
-      expect(response.finishReason).toEqual({ normalized: "tool-calls", raw: "end_turn" })
+      expect(response.finishReason).toBe("tool-calls")
    }),
  )

@@ -635,12 +549,10 @@ describe("Bedrock Converse route", () => {
        LLM.request({
          id: "req_doc",
          model,
-          cache: "none",
          messages: [
            Message.user([
-              { type: "text", text: "Summarize these documents." },
              { type: "media", mediaType: "application/pdf", data: "UERGREFUQQ==", filename: "report.pdf" },
-              { type: "media", mediaType: "text/csv", data: "Q1NWREFUQQ==", filename: "data.csv" },
+              { type: "media", mediaType: "text/csv", data: "Q1NWREFUQQ==" },
            ]),
          ],
        }),
@@ -651,9 +563,10 @@ describe("Bedrock Converse route", () => {
          {
            role: "user",
            content: [
-              { text: "Summarize these documents." },
+              // Filename round-trips when supplied.
              { document: { format: "pdf", name: "report.pdf", source: { bytes: "UERGREFUQQ==" } } },
-              { document: { format: "csv", name: "data.csv", source: { bytes: "Q1NWREFUQQ==" } } },
+              // Falls back to a stable placeholder when filename is missing.
+              { document: { format: "csv", name: "document.csv", source: { bytes: "Q1NWREFUQQ==" } } },
            ],
          },
        ],
@@ -661,96 +574,6 @@ describe("Bedrock Converse route", () => {
    }),
  )

-  it.effect("requires names for document media", () =>
-    Effect.gen(function* () {
-      const error = yield* LLMClient.prepare(
-        LLM.request({
-          model,
-          messages: [Message.user({ type: "media", mediaType: "application/pdf", data: "UERGREFUQQ==" })],
-        }),
-      ).pipe(Effect.flip)
-
-      expect(error.message).toContain("document media requires a filename")
-    }),
-  )
-
-  it.effect("passes named document-only messages through for provider validation", () =>
-    Effect.gen(function* () {
-      const prepared = yield* LLMClient.prepare<BedrockConverse.BedrockConverseBody>(
-        LLM.request({
-          model,
-          cache: "none",
-          messages: [
-            Message.user({
-              type: "media",
-              mediaType: "application/pdf",
-              data: "UERGREFUQQ==",
-              filename: "report.pdf",
-            }),
-          ],
-        }),
-      )
-
-      expect(prepared.body.messages).toEqual([
-        {
-          role: "user",
-          content: [{ document: { format: "pdf", name: "report.pdf", source: { bytes: "UERGREFUQQ==" } } }],
-        },
-      ])
-    }),
-  )
-
-  it.effect("lowers document media in tool results", () =>
-    Effect.gen(function* () {
-      const prepared = yield* LLMClient.prepare<BedrockConverse.BedrockConverseBody>(
-        LLM.request({
-          model,
-          messages: [
-            Message.assistant([ToolCallPart.make({ id: "call_1", name: "read", input: { path: "report.pdf" } })]),
-            Message.tool({
-              id: "call_1",
-              name: "read",
-              result: {
-                type: "content",
-                value: [
-                  { type: "text", text: "Read successfully" },
-                  {
-                    type: "file",
-                    uri: "data:application/pdf;base64,UERGREFUQQ==",
-                    mime: "application/pdf",
-                    name: "report",
-                  },
-                ],
-              },
-            }),
-          ],
-        }),
-      )
-
-      expect(prepared.body.messages).toEqual([
-        {
-          role: "assistant",
-          content: [{ toolUse: { toolUseId: "call_1", name: "read", input: { path: "report.pdf" } } }],
-        },
-        {
-          role: "user",
-          content: [
-            {
-              toolResult: {
-                toolUseId: "call_1",
-                status: "success",
-                content: [
-                  { text: "Read successfully" },
-                  { document: { format: "pdf", name: "report", source: { bytes: "UERGREFUQQ==" } } },
-                ],
-              },
-            },
-          ],
-        },
-      ])
-    }),
-  )
-
  it.effect("rejects unsupported image media types", () =>
    Effect.gen(function* () {
      const error = yield* LLMClient.prepare(
@@ -70,7 +70,6 @@ describe("Gemini route", () => {
            Message.user([
              { type: "text", text: "What is in this image?" },
              { type: "media", mediaType: "image/png", data: "AAECAw==" },
-              { type: "media", mediaType: "application/pdf", data: "JVBERi0xLjQ=" },
            ]),
            Message.assistant([ToolCallPart.make({ id: "call_1", name: "lookup", input: { query: "weather" } })]),
            Message.tool({ id: "call_1", name: "lookup", result: { forecast: "sunny" } }),
@@ -82,11 +81,7 @@ describe("Gemini route", () => {
        contents: [
          {
            role: "user",
-            parts: [
-              { text: "What is in this image?" },
-              { inlineData: { mimeType: "image/png", data: "AAECAw==" } },
-              { inlineData: { mimeType: "application/pdf", data: "JVBERi0xLjQ=" } },
-            ],
+            parts: [{ text: "What is in this image?" }, { inlineData: { mimeType: "image/png", data: "AAECAw==" } }],
          },
          {
            role: "model",
@@ -95,12 +90,7 @@ describe("Gemini route", () => {
          {
            role: "user",
            parts: [
-              {
-                functionResponse: {
-                  name: "lookup",
-                  response: { name: "lookup", content: '{"forecast":"sunny"}' },
-                },
-              },
+              { functionResponse: { name: "lookup", response: { name: "lookup", content: '{"forecast":"sunny"}' } } },
            ],
          },
        ],
@@ -120,7 +110,7 @@ describe("Gemini route", () => {
    }),
  )

-  it.effect("continues media tool results as inline model input without base64 text", () =>
+  it.effect("continues image tool results as inline vision input without base64 text", () =>
    Effect.gen(function* () {
      const prepared = yield* LLMClient.prepare<Gemini.GeminiBody>(
        LLM.request({
@@ -135,7 +125,6 @@ describe("Gemini route", () => {
                value: [
                  { type: "text", text: "Image read successfully" },
                  { type: "file", uri: "data:image/png;base64,AAECAw==", mime: "image/png", name: "pixel.png" },
-                  { type: "file", uri: "data:application/pdf;base64,JVBERi0xLjQ=", mime: "application/pdf" },
                ],
              },
            }),
@@ -152,12 +141,9 @@ describe("Gemini route", () => {
              functionResponse: {
                name: "read",
                response: { name: "read", content: "Image read successfully" },
-                parts: [
-                  { inlineData: { mimeType: "image/png", data: "AAECAw==" } },
-                  { inlineData: { mimeType: "application/pdf", data: "JVBERi0xLjQ=" } },
-                ],
              },
            },
+            { inlineData: { mimeType: "image/png", data: "AAECAw==" } },
          ],
        },
      ])
@@ -188,13 +174,8 @@ describe("Gemini route", () => {
        {
          role: "user",
          parts: [
-            {
-              functionResponse: {
-                name: "read",
-                response: { name: "read", content: "" },
-                parts: [{ inlineData: { mimeType: "image/jpeg", data: "/9j/" } }],
-              },
-            },
+            { functionResponse: { name: "read", response: { name: "read", content: "" } } },
+            { inlineData: { mimeType: "image/jpeg", data: "/9j/" } },
          ],
        },
      ])
@@ -233,11 +214,11 @@ describe("Gemini route", () => {
    }),
  )

-  it.effect("keeps tools and sends function calling mode NONE", () =>
+  it.effect("omits tools when tool choice is none", () =>
    Effect.gen(function* () {
      const prepared = yield* LLMClient.prepare(
        LLM.request({
-          id: "req_tool_choice_none",
+          id: "req_no_tools",
          model,
          prompt: "Say hello.",
          tools: [{ name: "lookup", description: "Lookup data", inputSchema: { type: "object" } }],
@@ -245,10 +226,8 @@ describe("Gemini route", () => {
        }),
      )

-      expect(prepared.body).toMatchObject({
+      expect(prepared.body).toEqual({
        contents: [{ role: "user", parts: [{ text: "Say hello." }] }],
-        tools: [{ functionDeclarations: [{ name: "lookup", description: "Lookup data" }] }],
-        toolConfig: { functionCallingConfig: { mode: "NONE" } },
      })
    }),
  )
@@ -373,16 +352,10 @@ describe("Gemini route", () => {
        { type: "text-delta", id: "text-0", text: "Hello" },
        { type: "text-delta", id: "text-0", text: "!" },
        { type: "text-end", id: "text-0" },
-        {
-          type: "step-finish",
-          index: 0,
-          reason: { normalized: "stop", raw: "STOP" },
-          usage,
-          providerMetadata: undefined,
-        },
+        { type: "step-finish", index: 0, reason: "stop", usage, providerMetadata: undefined },
        {
          type: "finish",
-          reason: { normalized: "stop", raw: "STOP" },
+          reason: "stop",
          usage,
        },
      ])
@@ -399,10 +372,7 @@ describe("Gemini route", () => {
              parts: [
                { text: "thinking", thought: true },
                { text: "", thought: true, thoughtSignature: "thought_sig" },
-                {
-                  functionCall: { id: "provider_call", name: "lookup", args: { query: "weather" } },
-                  thoughtSignature: "tool_sig",
-                },
+                { functionCall: { name: "lookup", args: { query: "weather" } }, thoughtSignature: "tool_sig" },
              ],
            },
            finishReason: "STOP",
@@ -428,10 +398,7 @@ describe("Gemini route", () => {
        id: "reasoning-0",
        providerMetadata: { google: { thoughtSignature: "thought_sig" } },
      })
-      expect(toolCall).toMatchObject({
-        id: "tool_0",
-        providerMetadata: { google: { functionCallId: "provider_call", thoughtSignature: "tool_sig" } },
-      })
+      expect(toolCall).toMatchObject({ providerMetadata: { google: { thoughtSignature: "tool_sig" } } })
      expect(response.events.findIndex((event) => event.type === "reasoning-end")).toBeLessThan(
        response.events.findIndex((event) => event.type === "tool-call"),
      )
@@ -449,13 +416,6 @@ describe("Gemini route", () => {
                providerMetadata: toolCall?.providerMetadata,
              }),
            ]),
-            Message.tool({
-              id: "tool_0",
-              name: "lookup",
-              result: "done",
-              resultType: "text",
-              providerMetadata: toolCall?.providerMetadata,
-            }),
          ],
        }),
      )
@@ -464,22 +424,7 @@ describe("Gemini route", () => {
          role: "model",
          parts: [
            { text: "thinking", thought: true, thoughtSignature: "thought_sig" },
-            {
-              functionCall: { id: "provider_call", name: "lookup", args: { query: "weather" } },
-              thoughtSignature: "tool_sig",
-            },
-          ],
-        },
-        {
-          role: "user",
-          parts: [
-            {
-              functionResponse: {
-                id: "provider_call",
-                name: "lookup",
-                response: { name: "lookup", content: "done" },
-              },
-            },
+            { functionCall: { name: "lookup", args: { query: "weather" } }, thoughtSignature: "tool_sig" },
          ],
        },
      ])
@@ -535,16 +480,10 @@ describe("Gemini route", () => {
          providerExecuted: undefined,
          providerMetadata: undefined,
        },
-        {
-          type: "step-finish",
-          index: 0,
-          reason: { normalized: "tool-calls", raw: "STOP" },
-          usage,
-          providerMetadata: undefined,
-        },
+        { type: "step-finish", index: 0, reason: "tool-calls", usage, providerMetadata: undefined },
        {
          type: "finish",
-          reason: { normalized: "tool-calls", raw: "STOP" },
+          reason: "tool-calls",
          usage,
        },
      ])
@@ -559,7 +498,7 @@ describe("Gemini route", () => {
            content: {
              role: "model",
              parts: [
-                { functionCall: { id: "tool_0", name: "lookup", args: { query: "weather" } } },
+                { functionCall: { name: "lookup", args: { query: "weather" } } },
                { functionCall: { name: "lookup", args: { query: "news" } } },
              ],
            },
@@ -574,19 +513,10 @@ describe("Gemini route", () => {
      ).pipe(Effect.provide(fixedResponse(body)))

      expect(response.toolCalls).toEqual([
-        {
-          type: "tool-call",
-          id: "tool_0",
-          name: "lookup",
-          input: { query: "weather" },
-          providerMetadata: { google: { functionCallId: "tool_0" } },
-        },
+        { type: "tool-call", id: "tool_0", name: "lookup", input: { query: "weather" } },
        { type: "tool-call", id: "tool_1", name: "lookup", input: { query: "news" } },
      ])
-      expect(response.events.at(-1)).toMatchObject({
-        type: "finish",
-        reason: { normalized: "tool-calls", raw: "STOP" },
-      })
+      expect(response.events.at(-1)).toMatchObject({ type: "finish", reason: "tool-calls" })
    }),
  )

@@ -606,41 +536,9 @@ describe("Gemini route", () => {
      )

      expect(length.events.map((event) => event.type)).toEqual(["step-start", "step-finish", "finish"])
-      expect(length.events.at(-1)).toMatchObject({
-        type: "finish",
-        reason: { normalized: "length", raw: "MAX_TOKENS" },
-      })
+      expect(length.events.at(-1)).toMatchObject({ type: "finish", reason: "length" })
      expect(filtered.events.map((event) => event.type)).toEqual(["step-start", "step-finish", "finish"])
-      expect(filtered.events.at(-1)).toMatchObject({
-        type: "finish",
-        reason: { normalized: "content-filter", raw: "SAFETY" },
-      })
-    }),
-  )
-
-  it.effect("maps current blocking and invalid-output finish reasons", () =>
-    Effect.gen(function* () {
-      const reasons = [
-        ["MODEL_ARMOR", "content-filter"],
-        ["IMAGE_PROHIBITED_CONTENT", "content-filter"],
-        ["IMAGE_RECITATION", "content-filter"],
-        ["LANGUAGE", "content-filter"],
-        ["UNEXPECTED_TOOL_CALL", "error"],
-        ["NO_IMAGE", "error"],
-        ["IMAGE_OTHER", "unknown"],
-        ["TOO_MANY_TOOL_CALLS", "error"],
-        ["MISSING_THOUGHT_SIGNATURE", "error"],
-        ["MALFORMED_RESPONSE", "error"],
-      ] as const
-
-      for (const [raw, normalized] of reasons) {
-        const response = yield* LLMClient.generate(request).pipe(
-          Effect.provide(
-            fixedResponse(sseEvents({ candidates: [{ content: { role: "model", parts: [] }, finishReason: raw }] })),
-          ),
-        )
-        expect(response.finishReason).toEqual({ normalized, raw })
-      }
+      expect(filtered.events.at(-1)).toMatchObject({ type: "finish", reason: "content-filter" })
    }),
  )

@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Effect } from "effect"
-import { LLM, LLMEvent, LLMResponse, Model } from "../../src"
+import { LLM, LLMEvent, LLMResponse } from "../../src"
 import { OpenAIChat } from "../../src/protocols/openai-chat"
 import * as OpenAICompatible from "../../src/providers/openai-compatible"
 import * as OpenRouter from "../../src/providers/openrouter"
@@ -11,28 +11,22 @@ import { expectWeatherToolLoop, goldenWeatherToolLoopRequest, runWeatherToolLoop
 const cases = [
  {
    name: "OpenRouter",
-    model: Model.update(
-      OpenRouter.configure({
-        apiKey: process.env.OPENROUTER_API_KEY ?? "fixture",
-        providerOptions: { openrouter: { reasoning: { max_tokens: 1024 } } },
-      }).model("anthropic/claude-sonnet-4.6"),
-      { compatibility: { reasoningField: "reasoning" } },
-    ),
+    model: OpenRouter.configure({
+      apiKey: process.env.OPENROUTER_API_KEY ?? "fixture",
+      providerOptions: { openrouter: { reasoning: { max_tokens: 1024 } } },
+    }).model("anthropic/claude-sonnet-4.6"),
    requires: ["OPENROUTER_API_KEY"],
    cassette: "openrouter-reasoning",
    structured: true,
  },
  {
    name: "Vercel AI Gateway",
-    model: Model.update(
-      OpenAICompatible.configure({
-        provider: "vercel-ai-gateway",
-        baseURL: "https://ai-gateway.vercel.sh/v1",
-        apiKey: process.env.AI_GATEWAY_API_KEY ?? "fixture",
-        http: { body: { reasoning: { enabled: true, max_tokens: 1024 } } },
-      }).model("anthropic/claude-sonnet-4.6"),
-      { compatibility: { reasoningField: "reasoning" } },
-    ),
+    model: OpenAICompatible.configure({
+      provider: "vercel-ai-gateway",
+      baseURL: "https://ai-gateway.vercel.sh/v1",
+      apiKey: process.env.AI_GATEWAY_API_KEY ?? "fixture",
+      http: { body: { reasoning: { enabled: true, max_tokens: 1024 } } },
+    }).model("anthropic/claude-sonnet-4.6"),
    requires: ["AI_GATEWAY_API_KEY"],
    cassette: "vercel-ai-gateway-reasoning",
    structured: true,
@@ -92,45 +92,6 @@ describe("OpenAI Chat route", () => {
    }),
  )

-  it.effect("writes reasoning to a configured custom field on every assistant message", () =>
-    Effect.gen(function* () {
-      const prepared = yield* LLMClient.prepare<OpenAIChat.OpenAIChatBody>(
-        LLM.request({
-          model: Model.update(model, { compatibility: { reasoningField: "vendor_reasoning" } }),
-          messages: [
-            Message.assistant([
-              {
-                type: "reasoning",
-                text: "thinking",
-                providerMetadata: { openai: { reasoningField: "reasoning" } },
-              },
-              { type: "text", text: "Hello" },
-            ]),
-            Message.assistant("Done"),
-          ],
-        }),
-      )
-
-      expect(prepared.body.messages).toEqual([
-        { role: "assistant", content: "Hello", vendor_reasoning: "thinking" },
-        { role: "assistant", content: "Done", vendor_reasoning: "" },
-      ])
-    }),
-  )
-
-  it.effect("rejects reasoning fields that conflict with assistant message fields", () =>
-    Effect.gen(function* () {
-      const error = yield* LLMClient.prepare(
-        LLM.request({
-          model: Model.update(model, { compatibility: { reasoningField: "content" } }),
-          messages: [Message.assistant([{ type: "reasoning", text: "thinking" }])],
-        }),
-      ).pipe(Effect.flip)
-
-      expect(error.message).toContain("reserved field content")
-    }),
-  )
-
  it.effect("maps OpenAI provider options to Chat options", () =>
    Effect.gen(function* () {
      const prepared = yield* LLMClient.prepare<OpenAIChat.OpenAIChatBody>(
@@ -569,16 +530,10 @@ describe("OpenAI Chat route", () => {
        { type: "text-delta", id: "text-0", text: "Hello" },
        { type: "text-delta", id: "text-0", text: "!" },
        { type: "text-end", id: "text-0" },
-        {
-          type: "step-finish",
-          index: 0,
-          reason: { normalized: "stop", raw: "stop" },
-          usage,
-          providerMetadata: undefined,
-        },
+        { type: "step-finish", index: 0, reason: "stop", usage, providerMetadata: undefined },
        {
          type: "finish",
-          reason: { normalized: "stop", raw: "stop" },
+          reason: "stop",
          usage,
        },
      ])
@@ -615,35 +570,6 @@ describe("OpenAI Chat route", () => {
    }),
  )

-  it.effect("parses and replays a configured custom reasoning field", () =>
-    Effect.gen(function* () {
-      const custom = Model.update(model, { compatibility: { reasoningField: "vendor_reasoning" } })
-      const response = yield* LLMClient.generate(LLM.updateRequest(request, { model: custom })).pipe(
-        Effect.provide(
-          fixedResponse(
-            sseEvents(
-              { choices: [{ delta: { vendor_reasoning: "thinking" } }] },
-              { choices: [{ delta: { content: "Hello" } }] },
-              { choices: [{ delta: {}, finish_reason: "stop" }] },
-            ),
-          ),
-        ),
-      )
-
-      expect(response.reasoning).toBe("thinking")
-      expect(response.message.content.find((part) => part.type === "reasoning")?.providerMetadata).toEqual({
-        openai: { reasoningField: "vendor_reasoning" },
-      })
-
-      const replay = yield* LLMClient.prepare<OpenAIChat.OpenAIChatBody>(
-        LLM.request({ model: custom, messages: [response.message] }),
-      )
-      expect(replay.body.messages).toEqual([
-        { role: "assistant", content: "Hello", vendor_reasoning: "thinking" },
-      ])
-    }),
-  )
-
  it.effect("preserves and replays reasoning details alongside scalar reasoning", () =>
    Effect.gen(function* () {
      const details = [
@@ -1043,14 +969,8 @@ describe("OpenAI Chat route", () => {
          providerExecuted: undefined,
          providerMetadata: undefined,
        },
-        {
-          type: "step-finish",
-          index: 0,
-          reason: { normalized: "tool-calls", raw: "tool_calls" },
-          usage: undefined,
-          providerMetadata: undefined,
-        },
-        { type: "finish", reason: { normalized: "tool-calls", raw: "tool_calls" }, usage: undefined },
+        { type: "step-finish", index: 0, reason: "tool-calls", usage: undefined, providerMetadata: undefined },
+        { type: "finish", reason: "tool-calls", usage: undefined },
      ])
    }),
  )
@@ -232,10 +232,7 @@ describe("OpenAI-compatible Chat route", () => {

      expect(response.text).toBe("Hello!")
      expect(response.usage).toMatchObject({ inputTokens: 5, outputTokens: 2, totalTokens: 7 })
-      expect(response.events.at(-1)).toMatchObject({
-        type: "finish",
-        reason: { normalized: "stop", raw: "stop" },
-      })
+      expect(response.events.at(-1)).toMatchObject({ type: "finish", reason: "stop" })
    }),
  )
 })
@@ -5,7 +5,6 @@ import { LLM, LLMError, LLMEvent, Message, Model, ToolCallPart, ToolResultPart,
 import { Auth, LLMClient, RequestExecutor, WebSocketExecutor } from "../../src/route"
 import * as Azure from "../../src/providers/azure"
 import * as OpenAI from "../../src/providers/openai"
-import * as XAI from "../../src/providers/xai"
 import * as OpenAIResponses from "../../src/protocols/openai-responses"
 import * as ProviderShared from "../../src/protocols/shared"
 import { continuationRequest, nativeOpenAIResponsesContinuation } from "../continuation-scenarios"
@@ -17,8 +16,6 @@ const model = OpenAIResponses.route
  .with({ endpoint: { baseURL: "https://api.openai.test/v1/" }, auth: Auth.bearer("test") })
  .model({ id: "gpt-4.1-mini" })

-const xaiModel = XAI.configure({ apiKey: "test", baseURL: "https://api.x.ai/v1" }).responses("grok-4.5")
-
 const request = LLM.request({
  id: "req_1",
  model,
@@ -527,77 +524,7 @@ describe("OpenAI Responses route", () => {
    }),
  )

-  it.effect("lowers PDF tool-result content as structured input_file array", () =>
-    Effect.gen(function* () {
-      const prepared = yield* LLMClient.prepare<OpenAIResponses.OpenAIResponsesBody>(
-        LLM.request({
-          id: "req_tool_result_pdf",
-          model,
-          messages: [
-            Message.assistant([ToolCallPart.make({ id: "call_1", name: "read", input: {} })]),
-            Message.tool({
-              id: "call_1",
-              name: "read",
-              resultType: "content",
-              result: [
-                {
-                  type: "file",
-                  uri: "data:application/pdf;base64,JVBERi0xLjQ=",
-                  mime: "application/pdf",
-                  name: "report.pdf",
-                },
-              ],
-            }),
-          ],
-        }),
-      )
-
-      expect(expectToolOutput(prepared.body).output).toEqual([
-        {
-          type: "input_file",
-          filename: "report.pdf",
-          file_data: "data:application/pdf;base64,JVBERi0xLjQ=",
-        },
-      ])
-    }),
-  )
-
-  it.effect("uses xAI inline file encoding for PDF tool results", () =>
-    Effect.gen(function* () {
-      const prepared = yield* LLMClient.prepare<OpenAIResponses.OpenAIResponsesBody>(
-        LLM.request({
-          model: xaiModel,
-          messages: [
-            Message.assistant([ToolCallPart.make({ id: "call_1", name: "read", input: {} })]),
-            Message.tool({
-              id: "call_1",
-              name: "read",
-              resultType: "content",
-              result: [
-                {
-                  type: "file",
-                  uri: "data:application/pdf;base64,JVBERi0xLjQ=",
-                  mime: "application/pdf",
-                  name: "report.pdf",
-                },
-              ],
-            }),
-          ],
-        }),
-      )
-
-      expect(expectToolOutput(prepared.body).output).toEqual([
-        {
-          type: "input_file",
-          filename: "report.pdf",
-          file_data: "JVBERi0xLjQ=",
-          mime_type: "application/pdf",
-        },
-      ])
-    }),
-  )
-
-  it.effect("rejects unsupported media in tool-result content with a clear error", () =>
+  it.effect("rejects non-image media in tool-result content with a clear error", () =>
    Effect.gen(function* () {
      const error = yield* LLMClient.prepare(
        LLM.request({
@@ -856,13 +783,13 @@ describe("OpenAI Responses route", () => {
        {
          type: "step-finish",
          index: 0,
-          reason: { normalized: "stop", raw: undefined },
+          reason: "stop",
          providerMetadata: { openai: { responseId: "resp_1", serviceTier: "default" } },
          usage,
        },
        {
          type: "finish",
-          reason: { normalized: "stop", raw: undefined },
+          reason: "stop",
          providerMetadata: { openai: { responseId: "resp_1", serviceTier: "default" } },
          usage,
        },
@@ -870,39 +797,6 @@ describe("OpenAI Responses route", () => {
    }),
  )

-  it.effect("maps incomplete response reasons", () =>
-    Effect.gen(function* () {
-      const generate = (incompleteDetails: object) =>
-        LLMClient.generate(request).pipe(
-          Effect.provide(
-            fixedResponse(
-              sseEvents({
-                type: "response.incomplete",
-                response: { id: "resp_incomplete", incomplete_details: incompleteDetails },
-              }),
-            ),
-          ),
-        )
-
-      const length = yield* generate({ reason: "max_output_tokens" })
-      const contentFilter = yield* generate({ reason: "content_filter" })
-      const unknown = yield* generate({})
-      const custom = yield* generate({ reason: "provider_limit" })
-
-      expect([
-        length.finishReason,
-        contentFilter.finishReason,
-        unknown.finishReason,
-        custom.finishReason,
-      ]).toEqual([
-        { normalized: "length", raw: "max_output_tokens" },
-        { normalized: "content-filter", raw: "content_filter" },
-        { normalized: "unknown", raw: undefined },
-        { normalized: "unknown", raw: "provider_limit" },
-      ])
-    }),
-  )
-
  // OpenAI's documented stream orders output text within one message item; no
  // provider-valid same-kind overlap is evidenced, so done boundaries close it.
  it.effect("closes sequential output messages before starting the next", () =>
@@ -953,8 +847,8 @@ describe("OpenAI Responses route", () => {
        { type: "text-delta", id: "msg_1", text: "Hello" },
        { type: "reasoning-end", id: "rs_1" },
        { type: "text-end", id: "msg_1" },
-        { type: "step-finish", index: 0, reason: { normalized: "stop", raw: undefined } },
-        { type: "finish", reason: { normalized: "stop", raw: undefined } },
+        { type: "step-finish", index: 0, reason: "stop" },
+        { type: "finish", reason: "stop" },
      ])
      expect(response.events.filter((event) => event.type === "finish")).toHaveLength(1)
      expect(response.message.content).toEqual([
@@ -1045,8 +939,8 @@ describe("OpenAI Responses route", () => {
          id: "rs_1:1",
          providerMetadata: { openai: { itemId: "rs_1", reasoningEncryptedContent: "encrypted-state" } },
        },
-        { type: "step-finish", index: 0, reason: { normalized: "stop", raw: undefined } },
-        { type: "finish", reason: { normalized: "stop", raw: undefined } },
+        { type: "step-finish", index: 0, reason: "stop" },
+        { type: "finish", reason: "stop" },
      ])
    }),
  )
@@ -1429,16 +1323,10 @@ describe("OpenAI Responses route", () => {
          providerExecuted: undefined,
          providerMetadata: { openai: { itemId: "item_1" } },
        },
-        {
-          type: "step-finish",
-          index: 0,
-          reason: { normalized: "tool-calls", raw: undefined },
-          usage,
-          providerMetadata: undefined,
-        },
+        { type: "step-finish", index: 0, reason: "tool-calls", usage, providerMetadata: undefined },
        {
          type: "finish",
-          reason: { normalized: "tool-calls", raw: undefined },
+          reason: "tool-calls",
          providerMetadata: undefined,
          usage,
        },
@@ -1478,7 +1366,7 @@ describe("OpenAI Responses route", () => {
        name: "lookup",
        raw: '{"query":"partial',
      })
-      expect(response.finishReason.normalized).toBe("tool-calls")
+      expect(response.finishReason).toBe("tool-calls")
      expect(response.events.some(LLMEvent.is.toolCall)).toBeFalse()
    }),
  )
@@ -1505,7 +1393,7 @@ describe("OpenAI Responses route", () => {
        name: "lookup",
        raw: '{"query":"partial',
      })
-      expect(response.finishReason.normalized).toBe("tool-calls")
+      expect(response.finishReason).toBe("tool-calls")
    }),
  )

@@ -1638,64 +1526,20 @@ describe("OpenAI Responses route", () => {
    }),
  )

-  it.effect("lowers user image and PDF content", () =>
+  it.effect("lowers user image content", () =>
    Effect.gen(function* () {
      const prepared = yield* LLMClient.prepare<OpenAIResponses.OpenAIResponsesBody>(
        LLM.request({
          id: "req_media",
          model,
-          messages: [
-            Message.user([
-              { type: "media", mediaType: "image/png", data: "AAECAw==" },
-              { type: "media", mediaType: "application/pdf", data: "JVBERi0xLjQ=", filename: "report.pdf" },
-            ]),
-          ],
+          messages: [Message.user({ type: "media", mediaType: "image/png", data: "AAECAw==" })],
        }),
      )

      expect(prepared.body.input).toEqual([
        {
          role: "user",
-          content: [
-            { type: "input_image", image_url: "data:image/png;base64,AAECAw==" },
-            {
-              type: "input_file",
-              filename: "report.pdf",
-              file_data: "data:application/pdf;base64,JVBERi0xLjQ=",
-            },
-          ],
-        },
-      ])
-    }),
-  )
-
-  it.effect("uses xAI inline file encoding for user PDFs", () =>
-    Effect.gen(function* () {
-      const prepared = yield* LLMClient.prepare<OpenAIResponses.OpenAIResponsesBody>(
-        LLM.request({
-          model: xaiModel,
-          messages: [
-            Message.user({
-              type: "media",
-              mediaType: "application/pdf",
-              data: "data:application/pdf;base64,JVBERi0xLjQ=",
-              filename: "report.pdf",
-            }),
-          ],
-        }),
-      )
-
-      expect(prepared.body.input).toEqual([
-        {
-          role: "user",
-          content: [
-            {
-              type: "input_file",
-              filename: "report.pdf",
-              file_data: "JVBERi0xLjQ=",
-              mime_type: "application/pdf",
-            },
-          ],
+          content: [{ type: "input_image", image_url: "data:image/png;base64,AAECAw==" }],
        },
      ])
    }),
@@ -1707,11 +1551,11 @@ describe("OpenAI Responses route", () => {
        LLM.request({
          id: "req_media",
          model,
-          messages: [Message.user({ type: "media", mediaType: "application/x-tar", data: "AAECAw==" })],
+          messages: [Message.user({ type: "media", mediaType: "application/pdf", data: "AAECAw==" })],
        }),
      ).pipe(Effect.flip)

-      expect(error.message).toContain("OpenAI Responses does not support media type application/x-tar")
+      expect(error.message).toContain("OpenAI Responses does not support media type application/pdf")
    }),
  )

@@ -4,8 +4,6 @@ import { LLM, Message } from "../../src"
 import { LLMClient } from "../../src/route"
 import * as OpenRouter from "../../src/providers/openrouter"
 import { it } from "../lib/effect"
-import { fixedResponse } from "../lib/http"
-import { sseEvents } from "../lib/sse"

 describe("OpenRouter", () => {
  it.effect("prepares OpenRouter models through the OpenAI-compatible Chat route", () =>
@@ -56,42 +54,6 @@ describe("OpenRouter", () => {
    }),
  )

-  it.effect("preserves the upstream provider finish reason", () =>
-    Effect.gen(function* () {
-      const model = OpenRouter.configure({ apiKey: "test-key" }).model("anthropic/claude-sonnet-4.6")
-      const response = yield* LLMClient.generate(LLM.request({ model, prompt: "Say hello." })).pipe(
-        Effect.provide(
-          fixedResponse(
-            sseEvents({
-              choices: [{ delta: { content: "Hello" }, finish_reason: "stop", native_finish_reason: "end_turn" }],
-            }),
-          ),
-        ),
-      )
-
-      expect(response.finishReason).toEqual({ normalized: "stop", raw: "end_turn" })
-    }),
-  )
-
-  it.effect("fails on a mid-stream provider error", () =>
-    Effect.gen(function* () {
-      const model = OpenRouter.configure({ apiKey: "test-key" }).model("openai/gpt-4o-mini")
-      const error = yield* LLMClient.generate(LLM.request({ model, prompt: "Say hello." })).pipe(
-        Effect.provide(
-          fixedResponse(
-            sseEvents({
-              error: { code: 502, message: "Provider disconnected" },
-            }),
-          ),
-        ),
-        Effect.flip,
-      )
-
-      expect(error.reason).toMatchObject({ _tag: "ProviderInternal" })
-      expect(error.message).toContain("Provider disconnected")
-    }),
-  )
-
  it.effect("preserves manually supplied reasoning details", () =>
    Effect.gen(function* () {
      const details = [
@@ -1,207 +0,0 @@
-import { describe, expect } from "bun:test"
-import { Effect, Schema, Stream } from "effect"
-import { LLM, LLMResponse, Message, ToolDefinition, type Model } from "../../src"
-import { AmazonBedrock, Anthropic, Google, OpenAI, XAI } from "../../src/providers"
-import { LLMClient } from "../../src/route"
-import { Tool } from "../../src/tool"
-import { runTools } from "../lib/tool-runtime"
-import { recordedTests } from "../recorded-test"
-
-const CODE = "ORCHID-7391"
-const PDF =
-  "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"
-
-const openai = OpenAI.configure({ apiKey: process.env.OPENAI_API_KEY ?? "fixture" })
-const anthropic = Anthropic.configure({ apiKey: process.env.ANTHROPIC_API_KEY ?? "fixture" })
-const google = Google.configure({ apiKey: process.env.GOOGLE_API_KEY ?? "fixture" })
-const xai = XAI.configure({ apiKey: process.env.XAI_API_KEY ?? "fixture" })
-const bedrock = AmazonBedrock.configure({
-  apiKey: process.env.AWS_BEDROCK_API_KEY ?? "fixture",
-  region: process.env.AWS_REGION ?? "us-east-1",
-})
-
-const targets: ReadonlyArray<{
-  readonly id: string
-  readonly name: string
-  readonly provider: string
-  readonly protocol: string
-  readonly requires: string
-  readonly filename: string
-  readonly maxTokens: number
-  readonly model: Model
-}> = [
-  {
-    id: "openai",
-    name: "OpenAI Responses gpt-4o-mini",
-    provider: "openai",
-    protocol: "openai-responses",
-    requires: "OPENAI_API_KEY",
-    filename: "verification.pdf",
-    maxTokens: 40,
-    model: openai.responses("gpt-4o-mini"),
-  },
-  {
-    id: "anthropic",
-    name: "Anthropic Haiku 4.5",
-    provider: "anthropic",
-    protocol: "anthropic-messages",
-    requires: "ANTHROPIC_API_KEY",
-    filename: "verification.pdf",
-    maxTokens: 40,
-    model: anthropic.model("claude-haiku-4-5-20251001"),
-  },
-  {
-    id: "gemini",
-    name: "Gemini 3.5 Flash",
-    provider: "google",
-    protocol: "gemini",
-    requires: "GOOGLE_API_KEY",
-    filename: "verification.pdf",
-    maxTokens: 256,
-    model: google.model("gemini-3.5-flash"),
-  },
-  {
-    id: "xai",
-    name: "xAI Grok 4.5",
-    provider: "xai",
-    protocol: "openai-responses",
-    requires: "XAI_API_KEY",
-    filename: "verification.pdf",
-    maxTokens: 40,
-    model: xai.responses("grok-4.5"),
-  },
-  {
-    id: "bedrock",
-    name: "Bedrock Claude Haiku 4.5",
-    provider: "amazon-bedrock",
-    protocol: "bedrock-converse",
-    requires: "AWS_BEDROCK_API_KEY",
-    filename: "verification",
-    maxTokens: 40,
-    model: bedrock.model("us.anthropic.claude-haiku-4-5-20251001-v1:0"),
-  },
-]
-
-const recorded = recordedTests({ prefix: "pdf", tags: ["pdf"] })
-const prompt = "Return only the verification code from the PDF."
-const readPdf = ToolDefinition.make({
-  name: "read_pdf",
-  description: "Read the attached PDF.",
-  inputSchema: { type: "object", properties: {}, additionalProperties: false },
-})
-const readPdfRuntime = Tool.make({
-  description: readPdf.description,
-  parameters: Schema.Struct({ path: Schema.String }),
-  success: Schema.String,
-  execute: () => Effect.succeed("PDF read successfully"),
-  toModelOutput: () => [
-    { type: "text", text: "PDF read successfully" },
-    {
-      type: "file",
-      uri: `data:application/pdf;base64,${PDF}`,
-      mime: "application/pdf",
-      name: "verification.pdf",
-    },
-  ],
-})
-
-const expectCode = (response: LLMResponse) => {
-  expect(response.finishReason.normalized).toBe("stop")
-  expect(response.text.toUpperCase()).toContain(CODE)
-}
-
-describe("PDF recorded", () => {
-  for (const target of targets) {
-    recorded.effect.with(
-      `reads a user PDF with ${target.name}`,
-      {
-        id: `${target.id}-user-input`,
-        provider: target.provider,
-        protocol: target.protocol,
-        requires: [target.requires],
-        tags: ["user-input"],
-      },
-      Effect.gen(function* () {
-        expectCode(
-          yield* LLMClient.generate(
-            LLM.request({
-              id: `recorded_pdf_${target.id}_user_input`,
-              model: target.model,
-              cache: "none",
-              generation: { maxTokens: target.maxTokens, temperature: 0 },
-              messages: [
-                Message.user([
-                  { type: "media", mediaType: "application/pdf", data: PDF, filename: target.filename },
-                  { type: "text", text: prompt },
-                ]),
-              ],
-            }),
-          ),
-        )
-      }),
-    )
-
-    recorded.effect.with(
-      `reads a PDF tool result with ${target.name}`,
-      {
-        id: `${target.id}-tool-result`,
-        provider: target.provider,
-        protocol: target.protocol,
-        requires: [target.requires],
-        tags: ["tool", "tool-result"],
-      },
-      Effect.gen(function* () {
-        if (target.id === "gemini") {
-          const events = Array.from(
-            yield* runTools({
-              request: LLM.request({
-                id: "recorded_pdf_gemini_tool_result",
-                model: target.model,
-                system:
-                  "Call read_pdf exactly once with path verification.pdf, then reply only with the verification code from its PDF.",
-                prompt: "Use read_pdf with path verification.pdf and return the verification code.",
-                cache: "none",
-                generation: { maxTokens: target.maxTokens, temperature: 0 },
-              }),
-              tools: { read_pdf: readPdfRuntime },
-            }).pipe(Stream.runCollect),
-          )
-          expect(events.at(-1)).toMatchObject({ type: "finish", reason: { normalized: "stop" } })
-          expect(LLMResponse.text({ events }).toUpperCase()).toContain(CODE)
-          return
-        }
-
-        expectCode(
-          yield* LLMClient.generate(
-            LLM.request({
-              id: `recorded_pdf_${target.id}_tool_result`,
-              model: target.model,
-              system: "Read the PDF returned by the tool and follow the user's response format exactly.",
-              cache: "none",
-              generation: { maxTokens: target.maxTokens, temperature: 0 },
-              messages: [
-                Message.user(prompt),
-                Message.assistant([{ type: "tool-call", id: "call_pdf_1", name: readPdf.name, input: {} }]),
-                Message.tool({
-                  id: "call_pdf_1",
-                  name: readPdf.name,
-                  resultType: "content",
-                  result: [
-                    { type: "text", text: "PDF read successfully" },
-                    {
-                      type: "file",
-                      uri: `data:application/pdf;base64,${PDF}`,
-                      mime: "application/pdf",
-                      name: target.filename,
-                    },
-                  ],
-                }),
-              ],
-              tools: [readPdf],
-            }),
-          ),
-        )
-      }),
-    )
-  }
-})
@@ -125,8 +125,8 @@ const assistantContent = (events: ReadonlyArray<LLMEvent>) =>

 export const expectFinish = (
  events: ReadonlyArray<LLMEvent>,
-  reason: FinishReason,
-) => expect(events.at(-1)).toMatchObject({ type: "finish", reason: { normalized: reason } })
+  reason: Extract<LLMEvent, { readonly type: "finish" }>["reason"],
+) => expect(events.at(-1)).toMatchObject({ type: "finish", reason })

 export const expectWeatherToolCall = (response: LLMResponse) =>
  expect(response.toolCalls).toMatchObject([
@@ -136,10 +136,10 @@ export const expectWeatherToolCall = (response: LLMResponse) =>
 export const expectWeatherToolLoop = (events: ReadonlyArray<LLMEvent>) => {
  const finishes = events.filter(LLMEvent.is.finish)
  expect(finishes).toHaveLength(1)
-  expect(finishes[0]?.reason.normalized).toBe("stop")
+  expect(finishes[0]?.reason).toBe("stop")

  const stepFinishes = events.filter(LLMEvent.is.stepFinish)
-  expect(stepFinishes.map((event) => event.reason.normalized)).toEqual(["tool-calls", "stop"])
+  expect(stepFinishes.map((event) => event.reason)).toEqual(["tool-calls", "stop"])

  const toolCalls = events.filter(LLMEvent.is.toolCall)
  expect(toolCalls).toHaveLength(1)
@@ -503,7 +503,7 @@ export const eventSummary = (events: ReadonlyArray<LLMEvent>) => {
      continue
    }
    if (event.type === "finish") {
-      summary.push({ type: "finish", reason: event.reason.normalized, usage: usageSummary(event.usage) })
+      summary.push({ type: "finish", reason: event.reason, usage: usageSummary(event.usage) })
    }
  }
  return summary.map((item) => Object.fromEntries(Object.entries(item).filter((entry) => entry[1] !== undefined)))
@@ -14,11 +14,11 @@ describe("LLMResponse reducer", () => {
      LLMEvent.reasoningEnd({ id: "r1", providerMetadata: { anthropic: { signature: "sig" } } }),
      LLMEvent.textDelta({ id: "t1", text: "Answer" }),
      LLMEvent.textEnd({ id: "t1" }),
-      LLMEvent.finish({ reason: { normalized: "stop" }, usage: { outputTokens: 5 } }),
+      LLMEvent.finish({ reason: "stop", usage: { outputTokens: 5 } }),
    ]
    const response = LLMResponse.fromEvents(events)

-    expect(response?.finishReason).toEqual({ normalized: "stop" })
+    expect(response?.finishReason).toBe("stop")
    expect(response?.usage).toMatchObject({ outputTokens: 5 })
    expect(response?.events).toEqual(events)
    expect(response?.events.map((event) => event.type)).toEqual([
@@ -62,26 +62,18 @@ describe("LLMResponse reducer", () => {

  test("uses terminal usage when present and keeps prior usage when finish omits it", () => {
    const withFinishUsage = LLMResponse.fromEvents([
-      LLMEvent.stepFinish({ index: 0, reason: { normalized: "stop" }, usage: { inputTokens: 3 } }),
-      LLMEvent.finish({ reason: { normalized: "stop" }, usage: { outputTokens: 2 } }),
+      LLMEvent.stepFinish({ index: 0, reason: "stop", usage: { inputTokens: 3 } }),
+      LLMEvent.finish({ reason: "stop", usage: { outputTokens: 2 } }),
    ])
    const withoutFinishUsage = LLMResponse.fromEvents([
-      LLMEvent.stepFinish({ index: 0, reason: { normalized: "stop" }, usage: { inputTokens: 3 } }),
-      LLMEvent.finish({ reason: { normalized: "stop" } }),
+      LLMEvent.stepFinish({ index: 0, reason: "stop", usage: { inputTokens: 3 } }),
+      LLMEvent.finish({ reason: "stop" }),
    ])

    expect(withFinishUsage?.usage).toMatchObject({ outputTokens: 2 })
    expect(withoutFinishUsage?.usage).toMatchObject({ inputTokens: 3 })
  })

-  test("preserves the raw finish reason", () => {
-    const response = LLMResponse.fromEvents([
-      LLMEvent.finish({ reason: { normalized: "unknown", raw: "provider_limit" } }),
-    ])
-
-    expect(response?.finishReason).toEqual({ normalized: "unknown", raw: "provider_limit" })
-  })
-
  test("assembles tool-call content only after the completed tool call event", () => {
    const pending = reduce([
      LLMEvent.toolInputStart({ id: "call_1", name: "lookup" }),
@@ -96,7 +88,7 @@ describe("LLMResponse reducer", () => {
      LLMEvent.toolInputDelta({ id: "call_1", name: "lookup", text: ':"weather"}' }),
      LLMEvent.toolInputEnd({ id: "call_1", name: "lookup" }),
      LLMEvent.toolCall({ id: "call_1", name: "lookup", input: { query: "weather" } }),
-      LLMEvent.finish({ reason: { normalized: "tool-calls" } }),
+      LLMEvent.finish({ reason: "tool-calls" }),
    ])

    expect(response?.message.content).toEqual([
@@ -48,12 +48,8 @@ describe("llm schema", () => {
  })

  test("finish constructors accept usage input", () => {
-    expect(
-      LLMEvent.stepFinish({ index: 0, reason: { normalized: "stop" }, usage: { inputTokens: 1 } }).usage,
-    ).toBeInstanceOf(Usage)
-    expect(LLMEvent.finish({ reason: { normalized: "stop" }, usage: { outputTokens: 2 } }).usage).toBeInstanceOf(
-      Usage,
-    )
+    expect(LLMEvent.stepFinish({ index: 0, reason: "stop", usage: { inputTokens: 1 } }).usage).toBeInstanceOf(Usage)
+    expect(LLMEvent.finish({ reason: "stop", usage: { outputTokens: 2 } }).usage).toBeInstanceOf(Usage)
  })

  test("content part tagged union exposes guards", () => {
@@ -183,51 +183,6 @@ describe("LLMClient tools", () => {
    }),
  )

-  it.effect("preserves provider metadata on dispatched tool results", () =>
-    Effect.gen(function* () {
-      const tool = Tool.make({
-        description: "Return text.",
-        parameters: Schema.Struct({}),
-        success: Schema.String,
-        execute: () => Effect.succeed("hello"),
-      })
-      const providerMetadata = { google: { functionCallId: "provider_call" } }
-      const dispatched = yield* ToolRuntime.dispatch(
-        { tool },
-        LLMEvent.toolCall({ id: "call_1", name: "tool", input: {}, providerMetadata }),
-      )
-
-      expect(dispatched.events).toEqual([
-        LLMEvent.toolResult({
-          id: "call_1",
-          name: "tool",
-          result: { type: "text", value: "hello" },
-          output: { structured: "hello", content: [{ type: "text", text: "hello" }] },
-          providerMetadata,
-        }),
-      ])
-
-      const failed = yield* ToolRuntime.dispatch(
-        {},
-        LLMEvent.toolCall({ id: "call_2", name: "missing", input: {}, providerMetadata }),
-      )
-      expect(failed.events).toEqual([
-        LLMEvent.toolError({
-          id: "call_2",
-          name: "missing",
-          message: "Unknown tool: missing",
-          providerMetadata,
-        }),
-        LLMEvent.toolResult({
-          id: "call_2",
-          name: "missing",
-          result: { type: "error", value: "Unknown tool: missing" },
-          providerMetadata,
-        }),
-      ])
-    }),
-  )
-
  it.effect("uses the narrow default projection for encoded typed success", () =>
    Effect.gen(function* () {
      const text = Tool.make({
@@ -97,7 +97,6 @@ export async function setupTimeline(
    locale?: string
    deviceScaleFactor?: number
    seedHistory?: boolean
-    protocol?: "v1" | "v2"
  } = {},
 ) {
  const sessions = input.sessions ?? [session()]
@@ -115,7 +114,6 @@ export async function setupTimeline(
    retry: input.eventRetry ?? 20,
  })
  await mockOpenCodeServer(page, {
-    protocol: input.protocol,
    directory,
    project: project(),
    provider: provider(),
@@ -32,23 +32,6 @@ for (const expanded of [false, true]) {
  })
 }

-test("shows and expands a running shell command without shimmering it", async ({ page }) => {
-  const id = "prt_shell_running_command"
-  const command = "sleep 10 && echo done"
-  await setupTimeline(page, {
-    messages: [userMessage(), assistantMessage([shell(id, "running", "still running", command)], { completed: false })],
-    settings: { shellToolPartsExpanded: false },
-  })
-
-  const tool = page.locator(`[data-timeline-part-id="${id}"]`)
-  await expect(tool.locator('[data-component="text-shimmer"]')).toHaveAttribute("data-active", "true")
-  await expect(tool.locator('[data-component="shell-submessage"]')).toHaveText(command)
-  await expect(tool.locator('[data-component="shell-submessage"] [data-component="text-shimmer"]')).toHaveCount(0)
-  await tool.locator('[data-slot="collapsible-trigger"]').click()
-  await expect(tool.locator('[data-slot="collapsible-trigger"]')).toHaveAttribute("aria-expanded", "true")
-  await expect(tool.locator('[data-slot="bash-pre"]')).toContainText("still running")
-})
-
 test("transitions thinking and hidden reasoning through busy to idle", async ({ page }) => {
  const reasoningID = "prt_reasoning_hidden"
  const assistant = assistantMessage([reasoningPart(reasoningID, "## Inspecting stability")], { completed: false })
@@ -89,8 +89,8 @@ test("reconnects after a stream error", async ({ page }) => {
  expect((await timeline.transport.connections())[0]?.endedBy).toBe("error")
 })

-test("does not request replay when reconnecting the volatile V2 event stream", async ({ page }) => {
-  const timeline = await setupTimeline(page, { eventRetry: 10, protocol: "v2" })
+test("records event IDs and reconnect Last-Event-ID headers", async ({ page }) => {
+  const timeline = await setupTimeline(page, { eventRetry: 10 })
  const first = await timeline.transport.send(partUpdated(textPart("prt_transport_id", "event with id")), {
    id: "timeline-event-7",
  })
@@ -100,7 +100,7 @@ test("does not request replay when reconnecting the volatile V2 event stream", a
  const connection = await timeline.transport.waitForConnection({ after: first.connectionID })

  expect(first.eventID).toBe("timeline-event-7")
-  expect(connection.headers["last-event-id"]).toBeUndefined()
+  expect(connection.headers["last-event-id"]).toBe("timeline-event-7")
 })

 test("passes through non-event fetches", async ({ page }) => {
@@ -4,7 +4,6 @@ const emptyList = new Set(["/skill", "/command", "/lsp", "/formatter", "/vcs/sta
 const emptyObject = new Set(["/global/config", "/config", "/provider/auth", "/mcp", "/experimental/resource"])

 export interface MockServerConfig {
-  protocol?: "v1" | "v2"
  provider: unknown
  directory: string
  project: unknown
@@ -54,20 +53,8 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
    if (url.port !== targetPort && url.port !== appPort) return route.fallback()

    const path = url.pathname
-    if (path === "/global/event" || path === "/event" || path === "/api/event") {
-      const events = config.events?.()
-      return sse(
-        route,
-        path === "/api/event"
-          ? [{ id: "evt_mock_connected", type: "server.connected", data: {} }, ...(events?.map(currentEvent) ?? [])]
-          : events,
-        config.eventRetry,
-      )
-    }
-    if (path === "/global/health")
-      return config.protocol === "v2" ? json(route, {}, undefined, 404) : json(route, { healthy: true })
-    if (path === "/api/health" && config.protocol === "v2")
-      return json(route, { healthy: true, version: "2.0.0", pid: 1 })
+    if (path === "/global/event" || path === "/event") return sse(route, config.events?.(), config.eventRetry)
+    if (path === "/global/health") return json(route, { healthy: true })
    if (path === "/experimental/capabilities") return json(route, { backgroundSubagents: true })
    if (path === "/permission")
      return json(route, typeof config.permissions === "function" ? config.permissions() : (config.permissions ?? []))
@@ -96,129 +83,10 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
        },
        data: [],
      })
-    if (path === "/api/agent")
-      return json(route, {
-        location: location(config),
-        data: [
-          {
-            id: "build",
-            name: "Build",
-            mode: "primary",
-            hidden: false,
-            request: { settings: {}, headers: {}, body: {} },
-            permissions: [],
-          },
-        ],
-      })
-    if (path === "/api/command") return json(route, { location: location(config), data: [] })
-    if (path === "/api/mcp") return json(route, { location: location(config), data: [] })
-    if (path === "/api/mcp/resource")
-      return json(route, { location: location(config), data: { resources: [], templates: [] } })
-    const integration = path.match(/^\/api\/integration\/([^/]+)$/)?.[1]
-    if (integration && route.request().method() === "GET")
-      return json(route, {
-        location: location(config),
-        data: { id: integration, name: integration, methods: [{ type: "key", label: "API key" }], connections: [] },
-      })
-    if (/^\/api\/integration\/[^/]+\/connect\/key$/.test(path) && route.request().method() === "POST")
-      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
-    if (path === "/api/project") return json(route, [config.project])
-    if (path === "/api/project/current")
-      return json(route, { id: (config.project as { id?: string }).id, directory: config.directory })
-    if (path.startsWith("/api/project/") && route.request().method() === "PATCH") return json(route, config.project)
-    if (path === "/api/path")
-      return json(route, {
-        state: config.directory,
-        config: config.directory,
-        worktree: config.directory,
-        directory: config.directory,
-        home: "C:/OpenCode",
-      })
-    if (path === "/api/permission/request")
-      return json(route, {
-        location: location(config),
-        data: (typeof config.permissions === "function" ? config.permissions() : (config.permissions ?? [])).map(
-          currentPermission,
-        ),
-      })
-    if (path === "/api/question/request")
-      return json(route, {
-        location: location(config),
-        data: typeof config.questions === "function" ? config.questions() : (config.questions ?? []),
-      })
-    if (path === "/api/vcs")
-      return json(route, { location: location(config), data: { branch: "main", defaultBranch: "main" } })
-    if (path === "/api/vcs/status") return json(route, { location: location(config), data: [] })
-    if (path === "/api/vcs/diff") return json(route, { location: location(config), data: config.vcsDiff ?? [] })
-    if (path === "/api/pty/shells") return json(route, { location: location(config), data: [] })
-    if (/^\/api\/pty\/[^/]+\/connect-token$/.test(path))
-      return json(route, { location: location(config), data: { ticket: "e2e-ticket", expires_in: 60 } })
    if (emptyObject.has(path)) return json(route, {})
    if (emptyList.has(path)) return json(route, [])
-    if (path === "/api/session") {
-      const directory = url.searchParams.get("directory")
-      const parentID = url.searchParams.get("parentID")
-      const limit = Number(url.searchParams.get("limit") ?? 50)
-      const offset = Number(url.searchParams.get("cursor") ?? 0)
-      const sessions = config.sessions
-        .filter((session) => !directory || session.directory === directory)
-        .filter((session) => parentID !== "null" || session.parentID === undefined)
-        .filter((session) => {
-          const search = url.searchParams.get("search")?.toLowerCase()
-          return (
-            !search ||
-            String(session.title ?? "")
-              .toLowerCase()
-              .includes(search)
-          )
-        })
-      const ordered = url.searchParams.get("order") === "asc" ? sessions.toReversed() : sessions
-      const data = ordered.slice(offset, offset + limit)
-      const next = offset + limit < ordered.length ? String(offset + limit) : undefined
-      return json(route, {
-        data: data.map((session) => currentSession(session, config.directory)),
-        cursor: { next },
-      })
-    }
-    if (path === "/api/session/active") {
-      const statuses = (config.sessionStatus ?? {}) as Record<string, { type?: string }>
-      return json(route, {
-        data: Object.fromEntries(
-          Object.entries(statuses).flatMap(([id, status]) =>
-            status.type === "idle" ? [] : [[id, { type: "running" }]],
-          ),
-        ),
-      })
-    }
-    if (/^\/api\/session\/[^/]+\/shell$/.test(path) && route.request().method() === "POST") {
-      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
-    }
-    if (/^\/api\/session\/[^/]+\/question\/[^/]+\/(reply|reject)$/.test(path) && route.request().method() === "POST") {
-      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
-    }
-    if (/^\/api\/session\/[^/]+\/permission\/[^/]+\/reply$/.test(path) && route.request().method() === "POST") {
-      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
-    }
-    if (
-      /^\/api\/session\/[^/]+\/(archive|rename|interrupt|revert\/clear|revert\/commit)$/.test(path) &&
-      route.request().method() === "POST"
-    ) {
-      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
-    }
-    if (/^\/api\/session\/[^/]+$/.test(path) && route.request().method() === "DELETE") {
-      return route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
-    }
    if (path in staticRoutes) return json(route, staticRoutes[path])

-    const currentSessionMatch = path.match(/^\/api\/session\/([^/]+)$/)
-    if (currentSessionMatch) {
-      const session = config.sessions.find((item) => item.id === currentSessionMatch[1])
-      if (!session) return json(route, { error: "Session not found" }, undefined, 404)
-      return json(route, {
-        data: currentSession(session, config.directory),
-      })
-    }
-
    const sessionMatch = path.match(/^\/session\/([^/]+)$/)
    if (sessionMatch) {
      const session = config.sessions.find((s) => s.id === sessionMatch[1])
@@ -239,24 +107,6 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {

    if (/^\/session\/[^/]+\/(children|diff)$/.test(path)) return json(route, [])

-    const currentMessagesMatch = path.match(/^\/api\/session\/([^/]+)\/message$/)
-    if (currentMessagesMatch) {
-      const token = url.searchParams.get("cursor") ?? undefined
-      const before = token ? cursors.get(token) : undefined
-      if (token && !before) return json(route, { error: "Invalid cursor" }, undefined, 400)
-      config.onMessages?.({ sessionID: currentMessagesMatch[1], before, phase: "start" })
-      await config.beforeMessagesResponse?.({ sessionID: currentMessagesMatch[1]!, before })
-      if (config.messageDelay !== undefined) await new Promise((resolve) => setTimeout(resolve, config.messageDelay))
-      const pageData = config.pageMessages(currentMessagesMatch[1], Number(url.searchParams.get("limit") ?? 50), before)
-      config.onMessages?.({ sessionID: currentMessagesMatch[1], before, phase: "end" })
-      const cursor = pageData.cursor ? `cursor_${++nextCursor}` : undefined
-      if (cursor) cursors.set(cursor, pageData.cursor!)
-      return json(route, {
-        data: pageData.items.map(currentMessage).reverse(),
-        cursor: { next: cursor },
-      })
-    }
-
    const messagesMatch = path.match(/^\/session\/([^/]+)\/message$/)
    if (messagesMatch) {
      const token = url.searchParams.get("before") ?? undefined
@@ -279,115 +129,6 @@ export async function mockOpenCodeServer(page: Page, config: MockServerConfig) {
  })
 }

-function location(config: MockServerConfig) {
-  return {
-    directory: config.directory,
-    project: { id: (config.project as { id?: string }).id, directory: config.directory },
-  }
-}
-
-function currentPermission(value: unknown) {
-  const permission = value as Record<string, unknown>
-  if (permission.action) return permission
-  const tool = permission.tool as { messageID?: string; callID?: string } | undefined
-  return {
-    id: permission.id,
-    sessionID: permission.sessionID,
-    action: permission.permission,
-    resources: permission.patterns ?? [],
-    save: permission.always,
-    metadata: permission.metadata,
-    source:
-      tool?.messageID && tool.callID ? { type: "tool", messageID: tool.messageID, callID: tool.callID } : undefined,
-  }
-}
-
-export function currentSession(session: { id: string } & Record<string, unknown>, fallbackDirectory?: string) {
-  const time = session.time && typeof session.time === "object" ? session.time : {}
-  return {
-    id: session.id,
-    parentID: session.parentID,
-    projectID: session.projectID ?? "project",
-    agent: session.agent ?? "build",
-    model: session.model ?? { id: "mock-model", providerID: "mock-provider" },
-    cost: session.cost ?? 0,
-    tokens: session.tokens ?? { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
-    time: {
-      created: "created" in time && typeof time.created === "number" ? time.created : 0,
-      updated: "updated" in time && typeof time.updated === "number" ? time.updated : 0,
-      ...(session.time && typeof session.time === "object" && "archived" in session.time
-        ? { archived: session.time.archived }
-        : {}),
-    },
-    title: session.title ?? session.id,
-    location: {
-      directory: typeof session.directory === "string" ? session.directory : fallbackDirectory,
-      ...(typeof session.workspaceID === "string" ? { workspaceID: session.workspaceID } : {}),
-    },
-    subpath: session.path,
-    revert: session.revert,
-  }
-}
-
-function currentMessage(value: unknown) {
-  const item = value as {
-    info: Record<string, unknown> & { id: string; role: "user" | "assistant"; time: { created: number } }
-    parts: Array<Record<string, unknown> & { type: string }>
-  }
-  if (item.info.role === "user") {
-    return {
-      id: item.info.id,
-      type: "user",
-      time: item.info.time,
-      text: item.parts
-        .flatMap((part) => (part.type === "text" && typeof part.text === "string" ? [part.text] : []))
-        .join("\n"),
-    }
-  }
-  return {
-    id: item.info.id,
-    type: "assistant",
-    time: item.info.time,
-    agent: item.info.agent ?? "build",
-    model: { id: item.info.modelID ?? "model", providerID: item.info.providerID ?? "provider" },
-    cost: item.info.cost,
-    tokens: item.info.tokens,
-    error: item.info.error,
-    content: item.parts.flatMap<unknown>((part) => {
-      if (part.type === "text" || part.type === "reasoning") return [{ type: part.type, text: part.text ?? "" }]
-      if (part.type !== "tool") return []
-      const state = part.state as Record<string, unknown>
-      return [
-        {
-          type: "tool",
-          id: part.id,
-          name: part.tool,
-          time: state.time ?? { created: item.info.time.created },
-          state:
-            state.status === "pending"
-              ? { status: "streaming", input: state.raw ?? JSON.stringify(state.input ?? {}) }
-              : state.status === "completed"
-                ? {
-                    status: "completed",
-                    input: state.input ?? {},
-                    structured: state.metadata ?? {},
-                    content: [{ type: "text", text: state.output ?? "" }],
-                  }
-                : state.status === "error"
-                  ? {
-                      status: "error",
-                      input: state.input ?? {},
-                      structured: state.metadata ?? {},
-                      content: [],
-                      error: { type: "ToolError", message: state.error ?? "Tool failed" },
-                    }
-                  : { status: "running", input: state.input ?? {}, structured: state.metadata ?? {}, content: [] },
-        },
-      ]
-    }),
-  }
-}
-
 function json(route: Route, body: unknown, headers?: Record<string, string>, status = 200) {
  return route.fulfill({
    status,
@@ -408,18 +149,3 @@ function sse(route: Route, events?: unknown[], retry?: number) {
    body: `${retry === undefined ? "" : `retry: ${retry}\n\n`}${events?.map((event) => `data: ${JSON.stringify(event)}\n\n`).join("") || ": ok\n\n"}`,
  })
 }
-
-function currentEvent(input: unknown) {
-  if (!input || typeof input !== "object" || !("payload" in input)) return input
-  const envelope = input as { directory?: string; payload?: unknown }
-  if (!envelope.payload || typeof envelope.payload !== "object") return input
-  const payload = envelope.payload as { id?: string; type?: string; properties?: unknown }
-  if (!payload.type) return input
-  return {
-    id: payload.id ?? `evt_mock_${Date.now()}`,
-    created: Date.now(),
-    type: payload.type,
-    data: payload.properties ?? {},
-    location: envelope.directory && envelope.directory !== "global" ? { directory: envelope.directory } : undefined,
-  }
-}
@@ -3,7 +3,7 @@ import type { Page } from "@playwright/test"
 export type SseConnectionRecord = {
  id: number
  url: string
-  path: "/global/event" | "/event" | "/api/event"
+  path: "/global/event" | "/event"
  headers: Record<string, string>
  openedAt: number
  endedAt?: number
@@ -93,21 +93,6 @@ export async function installSseTransport<T>(
          eventOptions.retry === undefined ? "" : `retry: ${eventOptions.retry}\n`,
          `data: ${JSON.stringify(payload)}\n\n`,
        ].join("")
-      const currentEvent = (input: unknown) => {
-        if (!input || typeof input !== "object" || !("payload" in input)) return input
-        const envelope = input as { directory?: string; payload?: unknown }
-        if (!envelope.payload || typeof envelope.payload !== "object") return input
-        const payload = envelope.payload as { id?: string; type?: string; properties?: unknown }
-        if (!payload.type) return input
-        return {
-          id: payload.id ?? `evt_mock_${Date.now()}`,
-          created: Date.now(),
-          type: payload.type,
-          data: payload.properties ?? {},
-          location:
-            envelope.directory && envelope.directory !== "global" ? { directory: envelope.directory } : undefined,
-        }
-      }
      const acknowledge = (
        connection: Connection,
        bytes: number,
@@ -155,13 +140,15 @@ export async function installSseTransport<T>(
          output.forEach((chunk) => connection.controller.enqueue(chunk))
          return acknowledge(connection, input.bytes.length, output.length)
        }
-        const encoded = input.deliveries.map((delivery) => {
-          const payload = connection.path === "/api/event" ? currentEvent(delivery.payload) : delivery.payload
-          return { delivery, payload, bytes: encoder.encode(frame(payload, delivery.options)) }
-        })
+        const encoded = input.deliveries.map((delivery) => ({
+          delivery,
+          bytes: encoder.encode(frame(delivery.payload, delivery.options)),
+        }))
        encoded.forEach((item) => marker(item.delivery.options?.marker))
        if (input.burst) {
-          const bytes = encoder.encode(encoded.map((item) => frame(item.payload, item.delivery.options)).join(""))
+          const bytes = encoder.encode(
+            encoded.map((item) => frame(item.delivery.payload, item.delivery.options)).join(""),
+          )
          connection.controller.enqueue(bytes)
          return encoded.map((item) => acknowledge(connection, item.bytes.byteLength, 1, item.delivery.options?.id))
        }
@@ -174,10 +161,7 @@ export async function installSseTransport<T>(
      const fetch = (input: RequestInfo | URL, init?: RequestInit) => {
        const request = new Request(input, init)
        const url = new URL(request.url)
-        if (
-          url.origin !== server ||
-          (url.pathname !== "/global/event" && url.pathname !== "/event" && url.pathname !== "/api/event")
-        )
+        if (url.origin !== server || (url.pathname !== "/global/event" && url.pathname !== "/event"))
          return originalFetch(request)

        const id = ++nextConnectionID
@@ -193,10 +177,6 @@ export async function installSseTransport<T>(
            record.controller = controller
            connections.push(record)
            if (retry !== undefined) controller.enqueue(encoder.encode(`retry: ${retry}\n\n`))
-            if (url.pathname === "/api/event")
-              controller.enqueue(
-                encoder.encode(frame({ id: `evt_mock_connected_${id}`, type: "server.connected", data: {} })),
-              )
            request.signal.addEventListener(
              "abort",
              () => {
@@ -53,7 +53,6 @@
    "@dnd-kit/helpers": "0.5.0",
    "@dnd-kit/solid": "0.5.0",
    "@kobalte/core": "catalog:",
-    "@opencode-ai/client": "file:vendor/opencode-ai-client-1.17.13.tgz",
    "@opencode-ai/core": "workspace:*",
    "@opencode-ai/schema": "workspace:*",
    "@opencode-ai/sdk": "workspace:*",
@@ -1,6 +1,5 @@
 import { describe, expect, test } from "bun:test"
-import { adaptServerEvent, coalesceServerEvents, enqueueServerEvent, resumeStreamAfterPageShow } from "./server-sdk"
-import type { OpenCodeEvent } from "@opencode-ai/client/promise"
+import { coalesceServerEvents, enqueueServerEvent, resumeStreamAfterPageShow } from "./server-sdk"
 import type { Event } from "@opencode-ai/sdk/v2/client"

 describe("resumeStreamAfterPageShow", () => {
@@ -15,23 +14,6 @@ describe("resumeStreamAfterPageShow", () => {
  })
 })

-describe("adaptServerEvent", () => {
-  test("preserves V2 events while adapting permission requests for existing consumers", () => {
-    const current = {
-      id: "evt_1",
-      created: 1,
-      type: "permission.v2.asked",
-      data: { id: "perm_1", sessionID: "ses_1", action: "read", resources: ["src/**"] },
-    } as OpenCodeEvent
-
-    expect(adaptServerEvent(current)).toMatchObject({
-      type: "permission.asked",
-      properties: { id: "perm_1", sessionID: "ses_1", permission: "read", patterns: ["src/**"] },
-      current,
-    })
-  })
-})
-
 describe("coalesceServerEvents", () => {
  const delta = (value: string, field = "text", partID = "part") => ({
    directory: "/repo",
@@ -52,24 +34,6 @@ describe("coalesceServerEvents", () => {
    expect(result[0]?.payload).toMatchObject({ id: "second", properties: { delta: "hello world" } })
  })

-  test("merges adjacent current text deltas", () => {
-    const current = (id: string, value: string) =>
-      adaptServerEvent({
-        id,
-        created: 1,
-        type: "session.text.delta",
-        location: { directory: "/repo" },
-        data: { sessionID: "ses", assistantMessageID: "msg", ordinal: 0, delta: value },
-      } as OpenCodeEvent)
-    const result = coalesceServerEvents([
-      { directory: "/repo", payload: current("evt_1", "hello ") },
-      { directory: "/repo", payload: current("evt_2", "world") },
-    ])
-
-    expect(result).toHaveLength(1)
-    expect(result[0]?.payload.current).toMatchObject({ id: "evt_2", data: { delta: "hello world" } })
-  })
-
  test("preserves event boundaries and distinct fields", () => {
    const status = {
      directory: "/repo",
@@ -1,60 +1,21 @@
-import type { OpenCodeEvent } from "@opencode-ai/client/promise"
 import type { Event } from "@opencode-ai/sdk/v2/client"
 import { createSimpleContext } from "@opencode-ai/ui/context"
 import { createGlobalEmitter } from "@solid-primitives/event-bus"
 import { makeEventListener } from "@solid-primitives/event-listener"
 import { type Accessor, batch, createMemo, onCleanup, onMount } from "solid-js"
-import { createApiForServer, createSdkForServer, type ServerApi } from "@/utils/server"
+import { createSdkForServer } from "@/utils/server"
 import { useLanguage } from "./language"
 import { usePlatform } from "./platform"
 import { ServerConnection, useServer } from "./server"
 import { createRefCountMap } from "@/utils/refcount"
 import { useGlobal } from "./global"
 import { ServerScope } from "@/utils/server-scope"
-import { detectServerProtocol, type ServerProtocol } from "@/utils/server-protocol"
-import { createCompatibleApi, type CompatibleApi } from "@/utils/server-compat"

 const isAbortError = (error: unknown) =>
  error !== null && typeof error === "object" && "name" in error && error.name === "AbortError"

 const isStreamClosed = (error: unknown, signal?: AbortSignal) => isAbortError(error) || signal?.aborted === true
-export type ServerEvent = Event & { current?: OpenCodeEvent }
-type QueuedServerEvent = { directory: string; payload: ServerEvent }
-type CurrentDelta = Extract<
-  OpenCodeEvent,
-  { type: "session.text.delta" | "session.reasoning.delta" | "session.tool.input.delta" | "session.compaction.delta" }
->
-
-export function adaptServerEvent(event: OpenCodeEvent): ServerEvent {
-  if (event.type === "permission.v2.asked") {
-    return {
-      id: event.id,
-      type: "permission.asked",
-      properties: {
-        id: event.data.id,
-        sessionID: event.data.sessionID,
-        permission: event.data.action,
-        patterns: event.data.resources,
-        always: event.data.save ?? [],
-        metadata: event.data.metadata ?? {},
-        tool:
-          event.data.source?.type === "tool"
-            ? { messageID: event.data.source.messageID, callID: event.data.source.callID }
-            : undefined,
-      },
-      current: event,
-    } as ServerEvent
-  }
-  if (event.type === "permission.v2.replied")
-    return { id: event.id, type: "permission.replied", properties: event.data, current: event } as ServerEvent
-  if (event.type === "question.v2.asked")
-    return { id: event.id, type: "question.asked", properties: event.data, current: event } as ServerEvent
-  if (event.type === "question.v2.replied")
-    return { id: event.id, type: "question.replied", properties: event.data, current: event } as ServerEvent
-  if (event.type === "question.v2.rejected")
-    return { id: event.id, type: "question.rejected", properties: event.data, current: event } as ServerEvent
-  return { id: event.id, type: event.type, properties: event.data, current: event } as ServerEvent
-}
+type QueuedServerEvent = { directory: string; payload: Event }

 const coalescedKey = (event: QueuedServerEvent) => {
  if (event.payload.type === "lsp.updated") return `lsp.updated:${event.directory}`
@@ -79,34 +40,6 @@ export function enqueueServerEvent(queue: QueuedServerEvent[], event: QueuedServ
 export function coalesceServerEvents(events: QueuedServerEvent[]) {
  const output: QueuedServerEvent[] = []
  events.forEach((event) => {
-    const current = currentDelta(event.payload.current)
-    if (current) {
-      const previous = output[output.length - 1]
-      const prior = currentDelta(previous?.payload.current)
-      if (
-        previous &&
-        prior &&
-        previous.directory === event.directory &&
-        currentDeltaKey(prior) === currentDeltaKey(current)
-      ) {
-        const fragment = currentDeltaFragment(prior) + currentDeltaFragment(current)
-        const data =
-          current.type === "session.compaction.delta"
-            ? { ...current.data, text: fragment }
-            : { ...current.data, delta: fragment }
-        output[output.length - 1] = {
-          directory: event.directory,
-          payload: {
-            ...event.payload,
-            properties: data,
-            current: { ...current, data } as CurrentDelta,
-          } as ServerEvent,
-        }
-        return
-      }
-      output.push(event)
-      return
-    }
    if (event.payload.type !== "message.part.delta") {
      output.push(event)
      return
@@ -138,52 +71,12 @@ export function coalesceServerEvents(events: QueuedServerEvent[]) {
  return output
 }

-function currentDelta(event: OpenCodeEvent | undefined): CurrentDelta | undefined {
-  if (
-    event?.type === "session.text.delta" ||
-    event?.type === "session.reasoning.delta" ||
-    event?.type === "session.tool.input.delta" ||
-    event?.type === "session.compaction.delta"
-  )
-    return event
-}
-
-function currentDeltaKey(event: CurrentDelta) {
-  if (event.type === "session.tool.input.delta")
-    return `${event.type}:${event.data.sessionID}:${event.data.assistantMessageID}:${event.data.callID}`
-  if (event.type === "session.compaction.delta") return `${event.type}:${event.data.sessionID}`
-  return `${event.type}:${event.data.sessionID}:${event.data.assistantMessageID}:${event.data.ordinal}`
-}
-
-function currentDeltaFragment(event: CurrentDelta) {
-  return event.type === "session.compaction.delta" ? event.data.text : event.data.delta
-}
-
 export function resumeStreamAfterPageShow(event: PageTransitionEvent, start: () => unknown) {
  if (!event.persisted) return
  start()
 }

-type ServerEventEmitter = ReturnType<typeof createGlobalEmitter<{ [key: string]: ServerEvent }>>
-type ServerSDKBase = {
-  server: ServerConnection.Any
-  scope: ServerScope
-  protocol: Promise<ServerProtocol>
-  url: string
-  client: ReturnType<typeof createSdkForServer>
-  api: CompatibleApi
-  currentApi: ServerApi
-  event: {
-    on: ServerEventEmitter["on"]
-    listen: ServerEventEmitter["listen"]
-    start: () => Promise<void> | undefined
-  }
-  createClient: (
-    opts: Omit<Parameters<typeof createSdkForServer>[0], "server" | "fetch">,
-  ) => ReturnType<typeof createSdkForServer>
-}
-
-function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerScope): ServerSDKBase {
+function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerScope) {
  const platform = usePlatform()
  const abort = new AbortController()

@@ -198,15 +91,13 @@ function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerS
    }
  })()

-  const eventApi = createApiForServer({ server: server.http, fetch: eventFetch })
  const eventSdk = createSdkForServer({
    signal: abort.signal,
    fetch: eventFetch,
    server: server.http,
  })
-  const protocol = detectServerProtocol(server.http, platform.fetch ?? globalThis.fetch)
  const emitter = createGlobalEmitter<{
-    [key: string]: ServerEvent
+    [key: string]: Event
  }>()

  type Queued = QueuedServerEvent
@@ -251,6 +142,21 @@ function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerS
  let run: Promise<void> | undefined
  let started = false
  let generation = 0
+  const HEARTBEAT_TIMEOUT_MS = 15_000
+  let lastEventAt = Date.now()
+  let heartbeat: ReturnType<typeof setTimeout> | undefined
+  const resetHeartbeat = () => {
+    lastEventAt = Date.now()
+    if (heartbeat) clearTimeout(heartbeat)
+    heartbeat = setTimeout(() => {
+      attempt?.abort()
+    }, HEARTBEAT_TIMEOUT_MS)
+  }
+  const clearHeartbeat = () => {
+    if (!heartbeat) return
+    clearTimeout(heartbeat)
+    heartbeat = undefined
+  }

  const start = () => {
    if (started) return run
@@ -262,24 +168,35 @@ function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerS
      // oxlint-disable-next-line no-unmodified-loop-condition -- `started` is set to false by stop() which also aborts; both flags are checked to allow graceful exit
      while (!abort.signal.aborted && started && generation === active) {
        attempt = new AbortController()
+        lastEventAt = Date.now()
        const onAbort = () => {
          attempt?.abort()
        }
        abort.signal.addEventListener("abort", onAbort)
        try {
-          const kind = await protocol
-          const events =
-            kind === "v1"
-              ? (await eventSdk.global.event({ signal: attempt.signal })).stream
-              : eventApi.event.subscribe({ signal: attempt.signal })
+          const events = await eventSdk.global.event({
+            signal: attempt.signal,
+            onSseError: (error) => {
+              if (isStreamClosed(error, attempt?.signal)) return
+              if (streamErrorLogged) return
+              streamErrorLogged = true
+              console.error("[global-sdk] event stream error", {
+                url: server.http.url,
+                fetch: eventFetch ? "platform" : "webview",
+                error,
+              })
+            },
+          })
          let yielded = Date.now()
-          for await (const event of events) {
+          resetHeartbeat()
+          for await (const event of events.stream) {
+            resetHeartbeat()
            streamErrorLogged = false
-            const legacy = "payload" in event
-            if (legacy && event.payload.type === "sync") continue
-            const directory = legacy ? (event.directory ?? "global") : (event.location?.directory ?? "global")
-            const payload = legacy ? (event.payload as Event) : adaptServerEvent(event)
-            if (enqueueServerEvent(queue, { directory, payload })) schedule()
+            if (event.payload.type !== "sync") {
+              const directory = event.directory ?? "global"
+              const payload = event.payload as Event
+              if (enqueueServerEvent(queue, { directory, payload })) schedule()
+            }

            if (Date.now() - yielded < STREAM_YIELD_MS) continue
            yielded = Date.now()
@@ -297,6 +214,7 @@ function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerS
        } finally {
          abort.signal.removeEventListener("abort", onAbort)
          attempt = undefined
+          clearHeartbeat()
        }

        if (abort.signal.aborted || !started || generation !== active) return
@@ -315,11 +233,18 @@ function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerS
    started = false
    generation++
    attempt?.abort()
+    clearHeartbeat()
  }

  onMount(() => {
    makeEventListener(window, "pagehide", stop)
    makeEventListener(window, "pageshow", (event) => resumeStreamAfterPageShow(event, start))
+    makeEventListener(document, "visibilitychange", () => {
+      if (document.visibilityState !== "visible") return
+      if (!started) return
+      if (Date.now() - lastEventAt < HEARTBEAT_TIMEOUT_MS) return
+      attempt?.abort()
+    })
  })

  onCleanup(() => {
@@ -333,24 +258,12 @@ function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerS
    fetch: platform.fetch,
    throwOnError: true,
  })
-  const currentApi: ServerApi = createApiForServer({ server: server.http, fetch: platform.fetch })
-  const legacy = (directory?: string) =>
-    createSdkForServer({
-      server: server.http,
-      fetch: platform.fetch,
-      throwOnError: true,
-      directory,
-    })
-  const api = createCompatibleApi({ protocol, current: currentApi, legacy })

  return {
    server,
    scope,
-    protocol,
    url: server.http.url,
    client: sdk,
-    api,
-    currentApi,
    event: {
      on: emitter.on.bind(emitter),
      listen: emitter.listen.bind(emitter),
@@ -366,6 +279,7 @@ function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerS
  }
 }

+type ServerSDKBase = ReturnType<typeof createServerSdkContextBase>
 export type ServerSDK = ServerSDKBase & {
  ensureDirSdkContext: (directory: string) => ReturnType<typeof createDirSdkContext>
 }
@@ -395,7 +309,7 @@ export const { use: useServerSDK, provider: ServerSDKProvider } = createSimpleCo
 })

 type SDKEventMap = {
-  [key in Event["type"]]: Extract<ServerEvent, { type: key }>
+  [key in Event["type"]]: Extract<Event, { type: key }>
 }

 function createDirSdkContext(directory: string, serverSDK: ServerSDKBase) {
@@ -415,12 +329,6 @@ function createDirSdkContext(directory: string, serverSDK: ServerSDKBase) {
    scope: serverSDK.scope,
    directory,
    client,
-    api: createCompatibleApi({
-      protocol: serverSDK.protocol,
-      current: serverSDK.currentApi,
-      legacy: (next) => serverSDK.createClient({ directory: next ?? directory, throwOnError: true }),
-      directory,
-    }),
    event: emitter,
    get url() {
      return serverSDK.url
@@ -17,11 +17,6 @@ import {
 } from "solid-js"
 import { makeEventListener } from "@solid-primitives/event-listener"
 import { createStore, produce } from "solid-js/store"
-import { DragDropProvider, PointerSensor } from "@dnd-kit/solid"
-import { isSortable, useSortable } from "@dnd-kit/solid/sortable"
-import { AutoScroller, Feedback, PointerActivationConstraints } from "@dnd-kit/dom"
-import { RestrictToVerticalAxis } from "@dnd-kit/abstract/modifiers"
-import { RestrictToElement } from "@dnd-kit/dom/modifiers"
 import { useQuery } from "@tanstack/solid-query"
 import { Button } from "@opencode-ai/ui/button"
 import { Logo } from "@opencode-ai/ui/logo"
@@ -1007,7 +1002,7 @@ function HomeServerRow(props: {
  )
 }

-type HomeProjectListProps = {
+function HomeProjectList(props: {
  server: ServerConnection.Any
  projects: LocalProject[]
  selected: HomeProjectSelection
@@ -1018,82 +1013,29 @@ type HomeProjectListProps = {
  clearNotifications: (server: ServerConnection.Any, project: LocalProject) => void
  unseenCount: (server: ServerConnection.Any, project: LocalProject) => number
  language: ReturnType<typeof useLanguage>
-}
-
-function HomeProjectList(props: HomeProjectListProps) {
-  const global = useGlobal()
-  let listRef!: HTMLDivElement
-  const projects = () => global.ensureServerCtx(props.server).projects
-
+}) {
  return (
-    <DragDropProvider
-      sensors={(defaults) => [
-        ...defaults.filter((sensor) => sensor !== PointerSensor),
-        PointerSensor.configure({
-          activationConstraints: (event) =>
-            event.pointerType === "touch"
-              ? [new PointerActivationConstraints.Delay({ value: 250, tolerance: 5 })]
-              : [new PointerActivationConstraints.Distance({ value: 4 })],
-          preventActivation: (event) => event.target instanceof Element && !!event.target.closest("[data-action]"),
-        }),
-      ]}
-      modifiers={[RestrictToVerticalAxis, RestrictToElement.configure({ element: () => listRef })]}
-      plugins={(defaults) => [
-        ...defaults.filter((plugin) => plugin !== AutoScroller && plugin !== Feedback),
-        AutoScroller.configure({ acceleration: 8, threshold: { x: 0, y: 0.05 } }),
-        Feedback.configure({ dropAnimation: null }),
-      ]}
-      onDragEnd={(event) => {
-        const source = event.operation.source
-        if (event.canceled || !isSortable(source)) return
-        if (source.initialIndex !== source.index) projects().move(source.id.toString(), source.index)
-        if (props.selected.server !== ServerConnection.key(props.server))
-          props.selectProject(props.server, source.id.toString())
-      }}
-    >
-      <div class="flex min-w-0 flex-col gap-1" ref={listRef}>
-        {/* Keyed on worktree strings: the enriched project objects are
-            recreated on every store or sync update, so iterating them directly
-            remounts all rows — killing any in-flight drag activation (the
-            row's sortable unregisters on unmount) and discarding animations.
-            String keys keep row elements alive and move them on reorder. */}
-        <For each={props.projects.map((project) => project.worktree)}>
-          {(worktree, index) => <HomeProjectSlot {...props} worktree={worktree} index={index} />}
-        </For>
-      </div>
-    </DragDropProvider>
-  )
-}
-
-function HomeProjectSlot(
-  props: HomeProjectListProps & {
-    worktree: string
-    index: () => number
-  },
-) {
-  const project = createMemo(() => props.projects.find((item) => item.worktree === props.worktree))
-
-  return (
-    <Show when={project()}>
-      {(item) => (
-        <HomeProjectRow
-          project={item()}
-          server={props.server}
-          index={props.index}
-          serverSelected={props.selected.server === ServerConnection.key(props.server)}
-          selected={
-            props.selected.server === ServerConnection.key(props.server) && props.selected.directory === props.worktree
-          }
-          unseenCount={props.unseenCount(props.server, item())}
-          selectProject={props.selectProject}
-          openNewSession={props.openNewSession}
-          editProject={props.editProject}
-          closeProject={props.closeProject}
-          clearNotifications={props.clearNotifications}
-          language={props.language}
-        />
-      )}
-    </Show>
+    <div class="flex min-w-0 flex-col gap-1">
+      <For each={props.projects}>
+        {(project) => (
+          <HomeProjectRow
+            project={project}
+            server={props.server}
+            selected={
+              props.selected.server === ServerConnection.key(props.server) &&
+              props.selected.directory === project.worktree
+            }
+            unseenCount={props.unseenCount(props.server, project)}
+            selectProject={props.selectProject}
+            openNewSession={props.openNewSession}
+            editProject={props.editProject}
+            closeProject={props.closeProject}
+            clearNotifications={props.clearNotifications}
+            language={props.language}
+          />
+        )}
+      </For>
+    </div>
  )
 }

@@ -1173,8 +1115,6 @@ function HomeRecentlyClosedRow(props: {
 function HomeProjectRow(props: {
  project: LocalProject
  server: ServerConnection.Any
-  index: () => number
-  serverSelected: boolean
  selected: boolean
  unseenCount: number
  selectProject: (server: ServerConnection.Any, directory: string) => void
@@ -1188,15 +1128,6 @@ function HomeProjectRow(props: {
  const platform = usePlatform()
  const serverUnreachable = () => global.servers.health[ServerConnection.key(props.server)]?.healthy === false
  const [state, setState] = createStore({ menuOpen: false })
-  const sortable = useSortable({
-    get id() {
-      return props.project.worktree
-    },
-    get index() {
-      return props.index()
-    },
-  })
-  let pointerDownSelected: boolean | undefined
  const canRevealInFileManager = () =>
    platform.platform === "desktop" && !!platform.openPath && ServerConnection.local(props.server)
  const fileManagerActionLabel = () =>
@@ -1213,49 +1144,15 @@ function HomeProjectRow(props: {
    )
  }
  return (
-    <div
-      ref={sortable.ref}
-      class="group/project relative flex h-7 min-w-0 items-center rounded-[6px]"
-      classList={{ "z-10": sortable.isDragSource() }}
-    >
+    <div class="group/project relative flex h-7 min-w-0 items-center rounded-[6px]">
      <button
        type="button"
        data-component="home-project-row"
        class={`${HOME_PROJECT_NAV_ROW} pr-16 disabled:opacity-60`}
-        classList={{
-          "bg-v2-background-bg-layer-01 text-v2-text-text-base [box-shadow:inset_0_0_0_0.5px_var(--v2-border-border-muted)]":
-            sortable.isDragSource(),
-        }}
        data-selected={props.selected ? "" : undefined}
        aria-current={props.selected ? "page" : undefined}
        disabled={serverUnreachable()}
-        onPointerDown={(event) => {
-          // Same-server mouse selection happens on pointerdown (like tabs),
-          // but only ever selects; selectProject toggles, and deselecting here
-          // would fire on every drag before the threshold is met. Cross-server
-          // selection waits for click so reordering a remote server's projects
-          // does not focus that server and load its session index. Touch is
-          // excluded so flick-scrolling the list cannot select rows.
-          pointerDownSelected = undefined
-          if (event.button !== 0 || event.pointerType === "touch") return
-          if (!props.serverSelected) return
-          pointerDownSelected = props.selected
-          if (!props.selected) props.selectProject(props.server, props.project.worktree)
-        }}
-        onClick={(event) => {
-          // The drag sensor calls preventDefault on post-drag clicks; never
-          // toggle selection as part of a reorder.
-          if (event.defaultPrevented) return
-          // Keyboard activation and touch taps keep the original toggle.
-          if (event.detail === 0 || pointerDownSelected === undefined) {
-            props.selectProject(props.server, props.project.worktree)
-            return
-          }
-          // Mouse: pointerdown already selected unselected rows; a plain click
-          // on an already-selected row toggles it off.
-          if (pointerDownSelected) props.selectProject(props.server, props.project.worktree)
-          pointerDownSelected = undefined
-        }}
+        onClick={() => props.selectProject(props.server, props.project.worktree)}
      >
        <HomeProjectAvatar project={props.project} />
        <span class={HOME_PROJECT_NAV_LABEL}>{displayName(props.project)}</span>
@@ -13,6 +13,7 @@ export function useSessionTabAvatarState(
  const global = useGlobal()
  const notification = useNotification()
  const permission = usePermission()
+  const permissionState = createMemo(() => permission.ensureServerState(server()))
  const connection = createMemo(() => global.servers.list().find((item) => ServerConnection.key(item) === server()))
  const sync = createMemo(() => {
    const conn = connection()
@@ -21,10 +22,9 @@ export function useSessionTabAvatarState(
  const hasPermissions = createMemo(() => {
    const serverSync = sync()
    if (!serverSync) return false
-    const permissionState = permission.ensureServerState(server())
    const [store] = serverSync.child(directory(), { bootstrap: false })
    return !!sessionPermissionRequest(store.session, serverSync.session.data.permission, sessionId(), (item) => {
-      return !permissionState.autoResponds(item, directory())
+      return !permissionState().autoResponds(item, directory())
    })
  })
  const hasQuestions = createMemo(() => {
@@ -34,11 +34,9 @@ export function useSessionTabAvatarState(
    return !!sessionQuestionRequest(store.session, serverSync.session.data.question, sessionId())
  })
  const needsAttention = createMemo(() => hasPermissions() || hasQuestions())
-  const notificationState = createMemo(() => {
-    if (!connection()) return
-    return notification.ensureServerState(server())
-  })
-  const unread = createMemo(() => needsAttention() || (notificationState()?.session.unseenCount(sessionId()) ?? 0) > 0)
+  const unread = createMemo(
+    () => needsAttention() || notification.ensureServerState(server()).session.unseenCount(sessionId()) > 0,
+  )
  const loading = createMemo(() => {
    const serverSync = sync()
    if (!serverSync) return false
@@ -1,113 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { createApiForServer, createSdkForServer } from "./server"
-import { createCompatibleApi } from "./server-compat"
-
-function setup(protocol: "v1" | "v2" | Promise<"v1" | "v2">) {
-  const requests: Request[] = []
-  const fetcher = Object.assign(
-    async (input: string | URL | Request, init?: RequestInit) => {
-      const request = new Request(input, init)
-      requests.push(request)
-      if (request.method === "PATCH") {
-        return Response.json({
-          id: "ses_1",
-          slug: "ses_1",
-          projectID: "project",
-          directory: "/repo",
-          title: "Session",
-          version: "1",
-          time: { created: 1, updated: 1 },
-        })
-      }
-      if (request.method === "POST" && request.url.endsWith("/prompt_async"))
-        return new Response(undefined, { status: 204 })
-      if (request.method === "POST" && request.url.endsWith("/prompt")) {
-        return Response.json({
-          admittedSeq: 1,
-          id: "msg_1",
-          sessionID: "ses_1",
-          timeCreated: 1,
-          type: "user",
-          data: { text: "hello" },
-          delivery: "steer",
-        })
-      }
-      if (request.method === "GET") return Response.json([])
-      return new Response(undefined, { status: 204 })
-    },
-    { preconnect: globalThis.fetch.preconnect },
-  )
-  const server = { url: "http://localhost:4096" }
-  const api = createCompatibleApi({
-    protocol: typeof protocol === "string" ? Promise.resolve(protocol) : protocol,
-    current: createApiForServer({ server, fetch: fetcher }),
-    legacy: (directory) => createSdkForServer({ server, fetch: fetcher, directory, throwOnError: true }),
-    directory: "/repo",
-  })
-  return { api, requests }
-}
-
-describe("createCompatibleApi", () => {
-  test("routes V1 archive through the legacy session update", async () => {
-    const { api, requests } = setup("v1")
-    await api.session.archive({ sessionID: "ses_1", directory: "/repo" })
-
-    const url = new URL(requests[0]!.url)
-    expect(url.pathname).toBe("/session/ses_1")
-    expect(requests[0]!.headers.get("x-opencode-directory")).toBe("%2Frepo")
-    expect(requests[0]!.method).toBe("PATCH")
-    expect(await requests[0]!.json()).toMatchObject({ time: { archived: expect.any(Number) } })
-  })
-
-  test("converts current prompts to the V1 prompt contract", async () => {
-    const { api, requests } = setup("v1")
-    await api.session.prompt({
-      sessionID: "ses_1",
-      id: "msg_1",
-      text: "hello",
-      agent: "build",
-      model: { providerID: "provider", modelID: "model" },
-    })
-
-    expect(new URL(requests[0]!.url).pathname).toBe("/session/ses_1/prompt_async")
-    expect(await requests[0]!.json()).toMatchObject({
-      messageID: "msg_1",
-      agent: "build",
-      model: { providerID: "provider", modelID: "model" },
-      parts: [{ type: "text", text: "hello" }],
-    })
-  })
-
-  test("keeps V2 session actions on the current API", async () => {
-    const { api, requests } = setup("v2")
-    await api.session.archive({ sessionID: "ses_1" })
-
-    expect(new URL(requests[0]!.url).pathname).toBe("/api/session/ses_1/archive")
-    expect(requests[0]!.method).toBe("POST")
-  })
-
-  test("resolves protocol detection once across implementation methods", async () => {
-    let detections = 0
-    const resolved = Promise.resolve<"v1" | "v2">("v2")
-    const protocol = new Proxy(resolved, {
-      get(target, property) {
-        if (property !== "then") return Reflect.get(target, property, target)
-        detections++
-        return target.then.bind(target)
-      },
-    })
-    const { api } = setup(protocol)
-
-    await api.session.archive({ sessionID: "ses_1" })
-    await api.session.list()
-
-    expect(detections).toBe(1)
-  })
-
-  test("uses the global V1 session search endpoint", async () => {
-    const { api, requests } = setup("v1")
-    await api.session.list({ parentID: null, search: "session", limit: 50 })
-
-    expect(new URL(requests[0]!.url).pathname).toBe("/experimental/session")
-  })
-})
@@ -1,495 +0,0 @@
-import type { ServerApi } from "./server"
-import type { ServerProtocol } from "./server-protocol"
-import type { OpencodeClient, Session } from "@opencode-ai/sdk/v2/client"
-import type {
-  Project,
-  ProjectCurrent,
-  SessionApi,
-  SessionCommandInput,
-  SessionCommandOutput,
-  SessionCompactInput,
-  SessionCompactOutput,
-  SessionInfo,
-  SessionPromptInput,
-  SessionPromptOutput,
-  SessionShellInput,
-  SessionShellOutput,
-} from "@opencode-ai/client/promise"
-
-type LegacyClient = OpencodeClient
-type LegacyFor = (directory?: string) => LegacyClient
-type CompatibleSessionApi = Omit<
-  SessionApi,
-  "prompt" | "command" | "shell" | "compact" | "rename" | "archive" | "remove"
-> & {
-  prompt: (input: SessionPromptInput & LegacyPrompt) => Promise<SessionPromptOutput>
-  command: (input: SessionCommandInput) => Promise<SessionCommandOutput>
-  shell: (input: SessionShellInput & LegacyPrompt) => Promise<SessionShellOutput>
-  compact: (input: SessionCompactInput & { model?: LegacyPrompt["model"] }) => Promise<SessionCompactOutput>
-  rename: (input: Parameters<SessionApi["rename"]>[0] & LegacyLocation) => ReturnType<SessionApi["rename"]>
-  archive: (input: Parameters<SessionApi["archive"]>[0] & LegacyLocation) => ReturnType<SessionApi["archive"]>
-  remove: (input: Parameters<SessionApi["remove"]>[0] & LegacyLocation) => ReturnType<SessionApi["remove"]>
-}
-export type CompatibleApi = Omit<ServerApi, "session"> & { readonly session: CompatibleSessionApi }
-type LegacyPrompt = {
-  agent?: string
-  model?: { providerID: string; modelID: string }
-  variant?: string
-}
-type LegacyLocation = { directory?: string }
-type CompatibleInput = {
-  protocol: Promise<ServerProtocol>
-  current: ServerApi
-  legacy: LegacyFor
-  directory?: string
-}
-
-function mime(uri: string) {
-  const match = /^data:([^;,]+)/.exec(uri)
-  return match?.[1] ?? "application/octet-stream"
-}
-
-function sessionInfo(session: Session): SessionInfo {
-  return {
-    id: session.id,
-    parentID: session.parentID,
-    projectID: session.projectID,
-    agent: session.agent,
-    model: session.model && {
-      id: session.model.id,
-      providerID: session.model.providerID,
-      variant: session.model.variant,
-    },
-    cost: session.cost ?? 0,
-    tokens: session.tokens ?? { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
-    time: session.time,
-    title: session.title,
-    location: { directory: session.directory, workspaceID: session.workspaceID },
-    subpath: session.path,
-    revert: session.revert && {
-      messageID: session.revert.messageID,
-      partID: session.revert.partID,
-      snapshot: session.revert.snapshot,
-    },
-  }
-}
-
-export function createCompatibleApi(input: CompatibleInput): CompatibleApi {
-  const v1 = createV1Api(input)
-  return lazyApi(
-    input.protocol.then((protocol) => (protocol === "v1" ? v1 : input.current)),
-    input.current,
-  )
-}
-
-function lazyApi<T extends object>(implementation: Promise<T>, shape: T): T {
-  const cache = new Map<PropertyKey, unknown>()
-  return new Proxy(shape, {
-    get(target, property, receiver) {
-      const sample = Reflect.get(target, property, receiver)
-      if (typeof sample === "function") {
-        return (...args: unknown[]) =>
-          implementation.then((value) => {
-            const method = Reflect.get(value, property)
-            if (typeof method !== "function") throw new Error(`API method unavailable: ${String(property)}`)
-            return Reflect.apply(method, value, args)
-          })
-      }
-      if (sample === null || typeof sample !== "object") return sample
-      if (cache.has(property)) return cache.get(property)
-      const nested = lazyApi(
-        implementation.then((value) => {
-          const result = Reflect.get(value, property)
-          if (result === null || typeof result !== "object") {
-            throw new Error(`API namespace unavailable: ${String(property)}`)
-          }
-          return result
-        }),
-        sample,
-      )
-      cache.set(property, nested)
-      return nested
-    },
-  })
-}
-
-function createV1Api(input: CompatibleInput): CompatibleApi {
-  const directory = (location?: { directory?: string }) => location?.directory ?? input.directory
-  const legacy = (location?: { directory?: string }) => input.legacy(directory(location))
-  const located = <T>(data: T, value?: { directory?: string }) => ({
-    location: {
-      directory: directory(value) ?? "",
-      project: { id: "", directory: directory(value) ?? "" },
-    },
-    data,
-  })
-
-  return {
-    ...input.current,
-    session: {
-      ...input.current.session,
-      async list(
-        value?: Parameters<ServerApi["session"]["list"]>[0],
-        options?: Parameters<ServerApi["session"]["list"]>[1],
-      ) {
-        if (!value?.directory && value?.search !== undefined) {
-          const result = await legacy().experimental.session.list(
-            {
-              roots: value.parentID === null ? true : undefined,
-              search: value.search,
-              limit: value.limit,
-            },
-            options,
-          )
-          return { data: (result.data ?? []).map(sessionInfo), cursor: {} }
-        }
-        const result = await legacy({ directory: value?.directory }).session.list({
-          directory: value?.directory,
-          roots: value?.parentID === null ? true : undefined,
-          search: value?.search,
-          limit: value?.limit,
-        })
-        return { data: (result.data ?? []).map(sessionInfo), cursor: {} }
-      },
-      async create(value?: Parameters<ServerApi["session"]["create"]>[0]) {
-        const result = await legacy(value?.location ?? undefined).session.create({
-          directory: directory(value?.location ?? undefined),
-        })
-        if (!result.data) throw new Error("Failed to create session")
-        return sessionInfo(result.data)
-      },
-      async get(value: Parameters<ServerApi["session"]["get"]>[0]) {
-        const result = await legacy().session.get(value)
-        if (!result.data) throw new Error(`Session not found: ${value.sessionID}`)
-        return sessionInfo(result.data)
-      },
-      async active() {
-        const result = await legacy().session.status()
-        return Object.fromEntries(
-          Object.entries(result.data ?? {}).flatMap(([sessionID, status]) =>
-            status.type === "idle" ? [] : [[sessionID, { type: "running" as const }]],
-          ),
-        )
-      },
-      async rename(value: Parameters<ServerApi["session"]["rename"]>[0] & LegacyLocation) {
-        await legacy(value).session.update({ sessionID: value.sessionID, title: value.title })
-      },
-      async archive(value: Parameters<ServerApi["session"]["archive"]>[0] & LegacyLocation) {
-        await legacy(value).session.update({ sessionID: value.sessionID, time: { archived: Date.now() } })
-      },
-      async remove(value: Parameters<ServerApi["session"]["remove"]>[0] & LegacyLocation) {
-        await legacy(value).session.delete(value)
-      },
-      async fork(value: Parameters<ServerApi["session"]["fork"]>[0]) {
-        const result = await legacy().session.fork(value)
-        if (!result.data) throw new Error("Failed to fork session")
-        return sessionInfo(result.data)
-      },
-      async interrupt(value: Parameters<ServerApi["session"]["interrupt"]>[0]) {
-        await legacy().session.abort(value)
-      },
-      async prompt(value: SessionPromptInput & LegacyPrompt) {
-        await legacy().session.promptAsync({
-          sessionID: value.sessionID,
-          messageID: value.id ?? undefined,
-          agent: value.agent,
-          model: value.model,
-          variant: value.variant,
-          parts: [
-            { type: "text", text: value.text },
-            ...(value.files ?? []).map((file) => ({
-              type: "file" as const,
-              mime: mime(file.uri),
-              url: file.uri,
-              filename: file.name,
-            })),
-            ...(value.agents ?? []).map((agent) => ({
-              type: "agent" as const,
-              name: agent.name,
-              source: agent.mention
-                ? { value: agent.mention.text, start: agent.mention.start, end: agent.mention.end }
-                : undefined,
-            })),
-          ],
-        })
-        return {
-          admittedSeq: 0,
-          id: value.id ?? "",
-          sessionID: value.sessionID,
-          timeCreated: Date.now(),
-          type: "user",
-          data: { text: value.text },
-          delivery: value.delivery ?? "steer",
-        }
-      },
-      async command(value: SessionCommandInput) {
-        await legacy().session.command({
-          sessionID: value.sessionID,
-          messageID: value.id ?? undefined,
-          command: value.command,
-          arguments: value.arguments ?? "",
-          agent: value.agent ?? undefined,
-          model: value.model ? `${value.model.providerID}/${value.model.id}` : undefined,
-          variant: value.model?.variant,
-          parts: value.files?.map((file) => ({
-            type: "file" as const,
-            mime: mime(file.uri),
-            url: file.uri,
-            filename: file.name,
-          })),
-        })
-        return {
-          admittedSeq: 0,
-          id: value.id ?? "",
-          sessionID: value.sessionID,
-          timeCreated: Date.now(),
-          type: "user",
-          data: { text: `/${value.command} ${value.arguments ?? ""}`.trim() },
-          delivery: value.delivery ?? "steer",
-        }
-      },
-      async shell(value: SessionShellInput & LegacyPrompt) {
-        await legacy().session.shell({
-          sessionID: value.sessionID,
-          command: value.command,
-          agent: value.agent,
-          model: value.model,
-        })
-      },
-      compact: async (value: SessionCompactInput & { model?: LegacyPrompt["model"] }) => {
-        if (!value.model) throw new Error("A model is required to compact a V1 session")
-        await legacy().session.summarize({
-          sessionID: value.sessionID,
-          providerID: value.model.providerID,
-          modelID: value.model.modelID,
-        })
-        return {
-          admittedSeq: 0,
-          id: value.id ?? "",
-          sessionID: value.sessionID,
-          timeCreated: Date.now(),
-          type: "compaction",
-        }
-      },
-      revert: {
-        stage: async (value: Parameters<ServerApi["session"]["revert"]["stage"]>[0]) => {
-          await legacy().session.revert(value)
-          return { messageID: value.messageID }
-        },
-        clear: async (value: Parameters<ServerApi["session"]["revert"]["clear"]>[0]) => {
-          await legacy().session.unrevert(value)
-        },
-        commit: input.current.session.revert.commit,
-      },
-    },
-    project: {
-      ...input.current.project,
-      async list() {
-        return ((await legacy().project.list()).data ?? []) as Project[]
-      },
-      async current(value?: Parameters<ServerApi["project"]["current"]>[0]) {
-        const result = await legacy(value?.location).project.current()
-        if (!result.data) throw new Error("Project not found")
-        return { id: result.data.id, directory: result.data.worktree } satisfies ProjectCurrent
-      },
-      async update(value: Parameters<ServerApi["project"]["update"]>[0]) {
-        const project = (await legacy().project.list()).data?.find((item) => item.id === value.projectID)
-        const result = await legacy({ directory: project?.worktree }).project.update({
-          ...value,
-          directory: project?.worktree,
-        })
-        if (!result.data) throw new Error(`Project not found: ${value.projectID}`)
-        return result.data as Project
-      },
-      async directories(value: Parameters<ServerApi["project"]["directories"]>[0]) {
-        const result = await legacy(value.location).worktree.list()
-        return (result.data ?? []).map((item) => ({ directory: item }))
-      },
-    },
-    path: {
-      ...input.current.path,
-      async get(value?: Parameters<ServerApi["path"]["get"]>[0]) {
-        const result = await legacy(value?.location).path.get()
-        if (!result.data) throw new Error("Path unavailable")
-        return result.data
-      },
-    },
-    vcs: {
-      ...input.current.vcs,
-      async get(value?: Parameters<ServerApi["vcs"]["get"]>[0]) {
-        const result = await legacy(value?.location).vcs.get()
-        return located({ branch: result.data?.branch, defaultBranch: undefined }, value?.location)
-      },
-      async status(value?: Parameters<ServerApi["vcs"]["status"]>[0]) {
-        const result = await legacy(value?.location).vcs.status()
-        return located(result.data ?? [], value?.location)
-      },
-      async diff(value: Parameters<ServerApi["vcs"]["diff"]>[0]) {
-        const result = await legacy(value.location).vcs.diff({
-          mode: value.mode === "working" ? "git" : value.mode,
-          context: value.context,
-        })
-        return located(
-          (result.data ?? []).map((file) => ({
-            file: file.file,
-            patch: file.patch ?? "",
-            additions: file.additions,
-            deletions: file.deletions,
-            status: file.status ?? "modified",
-          })),
-          value.location,
-        )
-      },
-    },
-    file: {
-      ...input.current.file,
-      async list(value?: Parameters<ServerApi["file"]["list"]>[0]) {
-        const result = await legacy(value?.location).file.list({ path: value?.path ?? "" })
-        return located(result.data ?? [], value?.location)
-      },
-      async find(value: Parameters<ServerApi["file"]["find"]>[0]) {
-        const result = await legacy(value.location).find.files({
-          query: value.query,
-          type: value.type,
-          limit: value.limit,
-        })
-        return located(
-          (result.data ?? []).map((path) => ({ path, type: value.type ?? "file" })),
-          value.location,
-        )
-      },
-    },
-    integration: {
-      ...input.current.integration,
-      async get(value: Parameters<ServerApi["integration"]["get"]>[0]) {
-        const methods = ((await legacy(value.location).provider.auth()).data?.[value.integrationID] ?? []).map(
-          (method, index) =>
-            method.type === "api"
-              ? { type: "key" as const, label: method.label }
-              : { type: "oauth" as const, id: String(index), label: method.label, prompts: method.prompts },
-        )
-        return located(
-          {
-            id: value.integrationID,
-            name: value.integrationID,
-            methods,
-            connections: [],
-          },
-          value.location,
-        )
-      },
-      connect: {
-        ...input.current.integration.connect,
-        key: async (value: Parameters<ServerApi["integration"]["connect"]["key"]>[0]) => {
-          await legacy(value.location).auth.set({
-            providerID: value.integrationID,
-            auth: { type: "api", key: value.key },
-          })
-        },
-      },
-      oauth: {
-        ...input.current.integration.oauth,
-        connect: async (value: Parameters<ServerApi["integration"]["oauth"]["connect"]>[0]) => {
-          const method = Number(value.methodID)
-          const result = await legacy(value.location).provider.oauth.authorize(
-            { providerID: value.integrationID, method, inputs: value.inputs },
-            { throwOnError: true },
-          )
-          if (!result.data) throw new Error("Failed to start OAuth authorization")
-          return located(
-            {
-              attemptID: `${value.integrationID}:${method}`,
-              url: result.data.url,
-              instructions: result.data.instructions,
-              mode: result.data.method,
-              time: { created: Date.now(), expires: Date.now() + 10 * 60 * 1000 },
-            },
-            value.location,
-          )
-        },
-        complete: async (value: Parameters<ServerApi["integration"]["oauth"]["complete"]>[0]) => {
-          const method = Number(value.attemptID.split(":").at(-1))
-          await legacy(value.location).provider.oauth.callback(
-            { providerID: value.integrationID, method, code: value.code },
-            { throwOnError: true },
-          )
-        },
-        status: async (value: Parameters<ServerApi["integration"]["oauth"]["status"]>[0]) => {
-          const method = Number(value.attemptID.split(":").at(-1))
-          await legacy(value.location).provider.oauth.callback(
-            { providerID: value.integrationID, method },
-            { throwOnError: true },
-          )
-          return located(
-            { status: "complete" as const, time: { created: Date.now(), expires: Date.now() } },
-            value.location,
-          )
-        },
-      },
-    },
-    pty: {
-      ...input.current.pty,
-      async shells(value?: Parameters<ServerApi["pty"]["shells"]>[0]) {
-        return located((await legacy(value?.location).pty.shells()).data ?? [], value?.location)
-      },
-      async list(value?: Parameters<ServerApi["pty"]["list"]>[0]) {
-        return located((await legacy(value?.location).pty.list()).data ?? [], value?.location)
-      },
-      async create(value?: Parameters<ServerApi["pty"]["create"]>[0]) {
-        const result = await legacy(value?.location).pty.create({
-          command: value?.command,
-          args: value?.args ? [...value.args] : undefined,
-          cwd: value?.cwd,
-          title: value?.title,
-          env: value?.env,
-        })
-        if (!result.data) throw new Error("Failed to create terminal")
-        return located(result.data, value?.location)
-      },
-      async get(value: Parameters<ServerApi["pty"]["get"]>[0]) {
-        const result = await legacy(value.location).pty.get({ ptyID: value.ptyID })
-        if (!result.data) throw new Error(`Terminal not found: ${value.ptyID}`)
-        return located(result.data, value.location)
-      },
-      async update(value: Parameters<ServerApi["pty"]["update"]>[0]) {
-        const result = await legacy(value.location).pty.update({
-          ptyID: value.ptyID,
-          title: value.title,
-          size: value.size,
-        })
-        if (!result.data) throw new Error(`Terminal not found: ${value.ptyID}`)
-        return located(result.data, value.location)
-      },
-      async remove(value: Parameters<ServerApi["pty"]["remove"]>[0]) {
-        await legacy(value.location).pty.remove({ ptyID: value.ptyID })
-      },
-      async connectToken(value: Parameters<ServerApi["pty"]["connectToken"]>[0]) {
-        const result = await legacy(value.location).pty.connectToken({ ptyID: value.ptyID })
-        if (!result.data) throw new Error(`Failed to connect terminal: ${value.ptyID}`)
-        return located(result.data, value.location)
-      },
-    },
-    permission: {
-      ...input.current.permission,
-      async reply(value: Parameters<ServerApi["permission"]["reply"]>[0]) {
-        await legacy().permission.respond({
-          sessionID: value.sessionID,
-          permissionID: value.requestID,
-          response: value.reply,
-        })
-      },
-    },
-    question: {
-      ...input.current.question,
-      async reply(value: Parameters<ServerApi["question"]["reply"]>[0]) {
-        await legacy().question.reply({
-          requestID: value.requestID,
-          answers: value.answers.map((answer) => [...answer]),
-        })
-      },
-      async reject(value: Parameters<ServerApi["question"]["reject"]>[0]) {
-        await legacy().question.reject({ requestID: value.requestID })
-      },
-    },
-  }
-}
@@ -14,45 +14,15 @@ function abortFromInput(input: RequestInfo | URL, init?: RequestInit) {

 describe("checkServerHealth", () => {
  test("returns healthy response with version", async () => {
-    let request: URL | undefined
-    const fetch = (async (input: RequestInfo | URL) => {
-      request = input instanceof URL ? input : new URL(input instanceof Request ? input.url : input)
-      return new Response(JSON.stringify({ healthy: true, version: "1.2.3" }), {
+    const fetch = (async () =>
+      new Response(JSON.stringify({ healthy: true, version: "1.2.3" }), {
        status: 200,
        headers: { "content-type": "application/json" },
-      })
-    }) as unknown as typeof globalThis.fetch
+      })) as unknown as typeof globalThis.fetch

    const result = await checkServerHealth(server, fetch)

    expect(result).toEqual({ healthy: true, version: "1.2.3" })
-    expect(request?.pathname).toBe("/api/health")
-  })
-
-  test("falls back to the V1 health endpoint", async () => {
-    const paths: string[] = []
-    const fetch = (async (input: RequestInfo | URL) => {
-      const url = input instanceof URL ? input : new URL(input instanceof Request ? input.url : input)
-      paths.push(url.pathname)
-      if (url.pathname === "/api/health") return new Response(undefined, { status: 404 })
-      return Response.json({ healthy: true, version: "1.18.4" })
-    }) as unknown as typeof globalThis.fetch
-
-    expect(await checkServerHealth(server, fetch)).toEqual({ healthy: true, version: "1.18.4" })
-    expect(paths).toEqual(["/api/health", "/global/health"])
-  })
-
-  test("falls back when the current health response is malformed", async () => {
-    const paths: string[] = []
-    const fetch = (async (input: RequestInfo | URL) => {
-      const url = input instanceof URL ? input : new URL(input instanceof Request ? input.url : input)
-      paths.push(url.pathname)
-      if (url.pathname === "/api/health") return Response.json({})
-      return Response.json({ healthy: true, version: "1.18.4" })
-    }) as unknown as typeof globalThis.fetch
-
-    expect(await checkServerHealth(server, fetch)).toEqual({ healthy: true, version: "1.18.4" })
-    expect(paths).toEqual(["/api/health", "/global/health"])
  })

  test("allows slow servers thirty seconds by default", async () => {
@@ -172,7 +142,7 @@ describe("checkServerHealth", () => {
      retryDelayMs: 1,
    })

-    expect(count).toBe(6)
+    expect(count).toBe(3)
    expect(result).toEqual({ healthy: false })
  })
 })
@@ -1,7 +1,6 @@
 import { usePlatform } from "@/context/platform"
 import { ServerConnection } from "@/context/server"
-import { authTokenFromCredentials, createSdkForServer } from "./server"
-import { ClientError, OpenCode } from "@opencode-ai/client"
+import { createSdkForServer } from "./server"
 import { Accessor, createEffect, onCleanup } from "solid-js"
 import { createStore, reconcile } from "solid-js/store"

@@ -62,7 +61,6 @@ function wait(ms: number, signal?: AbortSignal) {

 function retryable(error: unknown, signal?: AbortSignal) {
  if (signal?.aborted) return false
-  if (error instanceof ClientError) return error.reason === "Transport"
  if (!(error instanceof Error)) return false
  if (error.name === "AbortError" || error.name === "TimeoutError") return false
  if (error instanceof TypeError) return true
@@ -84,31 +82,15 @@ export async function checkServerHealth(
      .then(() => attempt(count + 1))
      .catch(() => ({ healthy: false }))
  }
-  const attempt = async (count: number): Promise<ServerHealth> => {
-    const current = await OpenCode.make({
-      baseUrl: server.url,
+  const attempt = (count: number): Promise<ServerHealth> =>
+    createSdkForServer({
+      server,
      fetch,
-      headers: server.password
-        ? {
-            Authorization: `Basic ${authTokenFromCredentials({ username: server.username, password: server.password })}`,
-          }
-        : undefined,
+      signal,
    })
-      .health.get({ signal })
-      .then((x) =>
-        typeof x.healthy === "boolean"
-          ? { data: { healthy: x.healthy, version: x.version } }
-          : { error: new Error("Invalid health response") },
-      )
-      .catch((error) => ({ error }))
-    if ("data" in current && current.data) return current.data
-    if (signal?.aborted) return { healthy: false }
-
-    return createSdkForServer({ server, fetch, signal })
      .global.health()
      .then((x) => (x.error ? next(count, x.error) : { healthy: x.data?.healthy === true, version: x.data?.version }))
      .catch((error) => next(count, error))
-  }
  return attempt(0).finally(() => timeout?.clear?.())
 }

@@ -1,40 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { detectServerProtocol } from "./server-protocol"
-
-const server = { url: "http://localhost:4096" }
-const json = (value: unknown, status = 200) =>
-  new Response(JSON.stringify(value), { status, headers: { "content-type": "application/json" } })
-const mockFetch = (run: (input: string | URL | Request) => Promise<Response>) =>
-  Object.assign(run, { preconnect: globalThis.fetch.preconnect })
-
-describe("detectServerProtocol", () => {
-  test("prefers the legacy health endpoint when both API generations exist", async () => {
-    const fetcher = mockFetch((input) => {
-      const path = new URL(input instanceof Request ? input.url : input).pathname
-      if (path === "/global/health") return Promise.resolve(json({ healthy: true, version: "1.18.4" }))
-      return Promise.resolve(json({ healthy: true, version: "2.0.0", pid: 123 }))
-    })
-
-    expect(await detectServerProtocol(server, fetcher)).toBe("v1")
-  })
-
-  test("recognizes V2 health by its process identifier", async () => {
-    const fetcher = mockFetch((input) => {
-      const path = new URL(input instanceof Request ? input.url : input).pathname
-      if (path === "/global/health") return Promise.resolve(json({}, 404))
-      return Promise.resolve(json({ healthy: true, version: "2.0.0", pid: 123 }))
-    })
-
-    expect(await detectServerProtocol(server, fetcher)).toBe("v2")
-  })
-
-  test("recognizes the transitional V1 API health response", async () => {
-    const fetcher = mockFetch((input) => {
-      const path = new URL(input instanceof Request ? input.url : input).pathname
-      if (path === "/global/health") return Promise.resolve(json({}, 404))
-      return Promise.resolve(json({ healthy: true }))
-    })
-
-    expect(await detectServerProtocol(server, fetcher)).toBe("v1")
-  })
-})
@@ -1,35 +0,0 @@
-import type { ServerConnection } from "@/context/server"
-import { authTokenFromCredentials } from "./server"
-
-export type ServerProtocol = "v1" | "v2"
-
-function headers(server: ServerConnection.HttpBase) {
-  if (!server.password) return
-  return {
-    Authorization: `Basic ${authTokenFromCredentials({ username: server.username, password: server.password })}`,
-  }
-}
-
-async function probe(server: ServerConnection.HttpBase, fetch: typeof globalThis.fetch, path: string) {
-  const response = await fetch(new URL(path, server.url), {
-    headers: headers(server),
-    signal: AbortSignal.timeout(5_000),
-  })
-  if (!response.ok || !response.headers.get("content-type")?.includes("application/json")) return
-  const value: unknown = await response.json()
-  if (!value || typeof value !== "object") return
-  return value
-}
-
-export async function detectServerProtocol(
-  server: ServerConnection.HttpBase,
-  fetch: typeof globalThis.fetch,
-): Promise<ServerProtocol> {
-  const legacy = await probe(server, fetch, "/global/health").catch(() => undefined)
-  if (legacy && "healthy" in legacy && legacy.healthy === true) return "v1"
-
-  const current = await probe(server, fetch, "/api/health").catch(() => undefined)
-  if (current && "pid" in current && typeof current.pid === "number") return "v2"
-  if (current && "healthy" in current && current.healthy === true) return "v1"
-  return "v2"
-}
@@ -1,5 +1,4 @@
 import { createOpencodeClient } from "@opencode-ai/sdk/v2/client"
-import { OpenCode, type OpenCodeClient } from "@opencode-ai/client/promise"
 import type { ServerConnection } from "@/context/server"
 import { decode64 } from "@/utils/base64"

@@ -40,23 +39,3 @@ export function createSdkForServer({
    baseUrl: server.url,
  })
 }
-
-export function createApiForServer(input: {
-  server: ServerConnection.HttpBase
-  fetch?: typeof globalThis.fetch
-}): OpenCodeClient {
-  return OpenCode.make({
-    baseUrl: input.server.url,
-    fetch: input.fetch,
-    headers: input.server.password
-      ? {
-          Authorization: `Basic ${authTokenFromCredentials({
-            username: input.server.username,
-            password: input.server.password,
-          })}`,
-        }
-      : undefined,
-  })
-}
-
-export type ServerApi = OpenCodeClient
@@ -11,6 +11,7 @@
    "bin"
  ],
  "exports": {
+    "./daemon": "./src/daemon.ts",
    "./run": "./src/run/index.ts",
    "./server-process": "./src/server-process.ts"
  },
@@ -22,7 +23,7 @@
    "typecheck": "tsgo --noEmit"
  },
  "dependencies": {
-    "@agentclientprotocol/sdk": "1.2.1",
+    "@agentclientprotocol/sdk": "0.21.0",
    "@effect/platform-node": "catalog:",
    "@opencode-ai/client": "workspace:*",
    "@opencode-ai/plugin": "workspace:*",
@@ -3,7 +3,6 @@ import { $ } from "bun"
 import pkg from "../package.json"
 import { Script } from "@opencode-ai/script"
 import { fileURLToPath } from "url"
-import { UpdateArtifact } from "../../../script/update-artifact"

 const dir = fileURLToPath(new URL("..", import.meta.url))
 process.chdir(dir)
@@ -82,10 +81,3 @@ await publishDistribution({
  binary: "opencode2-node",
  packagePrefix: "@opencode-ai/cli-node-",
 })
-await UpdateArtifact.publish({
-  channel: Script.channel,
-  name: "cli",
-  distribution: "npm",
-  version: Script.version,
-  metadata: {},
-})
@@ -5,7 +5,6 @@ import {
  type AuthenticateRequest,
  type CancelNotification,
  type CloseSessionRequest,
-  type DeleteSessionRequest,
  type ForkSessionRequest,
  type InitializeRequest,
  type ListSessionsRequest,
@@ -14,6 +13,7 @@ import {
  type PromptRequest,
  type ResumeSessionRequest,
  type SetSessionConfigOptionRequest,
+  type SetSessionModelRequest,
  type SetSessionModeRequest,
 } from "@agentclientprotocol/sdk"
 import type { OpenCodeClient } from "@opencode-ai/client/promise"
@@ -28,12 +28,12 @@ export function create(client: OpenCodeClient, connection: AgentSideConnection)
    newSession: (params: NewSessionRequest) => run(service.newSession(params)),
    loadSession: (params: LoadSessionRequest) => run(service.loadSession(params)),
    listSessions: (params: ListSessionsRequest) => run(service.listSessions(params)),
-    deleteSession: (params: DeleteSessionRequest) => run(service.deleteSession(params)),
    resumeSession: (params: ResumeSessionRequest) => run(service.resumeSession(params)),
    closeSession: (params: CloseSessionRequest) => run(service.closeSession(params)),
    unstable_forkSession: (params: ForkSessionRequest) => run(service.forkSession(params)),
    setSessionConfigOption: (params: SetSessionConfigOptionRequest) => run(service.setSessionConfigOption(params)),
    setSessionMode: (params: SetSessionModeRequest) => run(service.setSessionMode(params)),
+    unstable_setSessionModel: (params: SetSessionModelRequest) => run(service.setSessionModel(params)),
    prompt: (params: PromptRequest) => run(service.prompt(params)),
    cancel: (params: CancelNotification) => run(service.cancel(params)),
  } satisfies Agent
@@ -28,7 +28,7 @@ export type TurnControl = {
 type ToolState = {
  readonly name: string
  input: ToolInput
-  metadata: Record<string, unknown>
+  structured: Record<string, unknown>
  content: ToolContent
 }

@@ -38,7 +38,7 @@ export type TurnStart =
  | { readonly type: "compaction"; readonly id: string }

 function emptyToolState(): ToolState {
-  return { name: "tool", input: {}, metadata: {}, content: [] }
+  return { name: "tool", input: {}, structured: {}, content: [] }
 }

 export async function streamTurn(input: {
@@ -47,7 +47,7 @@ export async function streamTurn(input: {
  readonly sessionID: string
  readonly cwd: string
  readonly start: TurnStart
-  readonly writeTextFile: boolean
+  readonly userMessageID?: string | null
  readonly submit: (signal: AbortSignal) => Promise<unknown>
  readonly control: TurnControl
 }): Promise<PromptResponse> {
@@ -120,7 +120,7 @@ export async function streamTurn(input: {
      }
      if (event.type === "session.tool.input.started") {
        assistantMessageID = event.data.assistantMessageID
-        tools.set(event.data.callID, { name: event.data.name, input: {}, metadata: {}, content: [] })
+        tools.set(event.data.callID, { name: event.data.name, input: {}, structured: {}, content: [] })
        await update({
          sessionUpdate: "tool_call",
          ...pendingToolCall({
@@ -151,13 +151,15 @@ export async function streamTurn(input: {
      if (event.type === "session.tool.progress") {
        const current = tools.get(event.data.callID)
        if (!current) continue
-        current.metadata = event.data.metadata
+        current.structured = event.data.structured
+        current.content = event.data.content
        await update({
          sessionUpdate: "tool_call_update",
          ...runningToolUpdate({
            toolCallId: event.data.callID,
            toolName: current.name,
            state: { input: current.input },
+            content: current.content,
            cwd: input.cwd,
          }),
        })
@@ -168,12 +170,11 @@ export async function streamTurn(input: {
        tools.delete(event.data.callID)
        await syncEditedFiles({
          connection: input.connection,
-          writeTextFile: input.writeTextFile,
          sessionID: input.sessionID,
          cwd: input.cwd,
          toolName: current.name,
          toolInput: current.input,
-          metadata: event.data.metadata ?? {},
+          structured: event.data.structured,
        }).catch(() => {})
        await update({
          sessionUpdate: "tool_call_update",
@@ -181,8 +182,9 @@ export async function streamTurn(input: {
            toolCallId: event.data.callID,
            toolName: current.name,
            input: current.input,
-            metadata: event.data.metadata,
+            structured: event.data.structured,
            content: event.data.content,
+            result: event.data.result,
          }),
        })
        continue
@@ -196,8 +198,8 @@ export async function streamTurn(input: {
            toolCallId: event.data.callID,
            toolName: current.name,
            input: current.input,
-            metadata: event.data.metadata ?? current.metadata,
-            content: event.data.content ?? current.content,
+            structured: current.structured,
+            content: current.content,
            error: event.data.error.message,
            cwd: input.cwd,
          }),
@@ -229,7 +231,7 @@ export async function streamTurn(input: {
      if (!started) {
        streamController.abort()
        await completed.catch(() => {})
-        return response(undefined, undefined, "interrupted", true, undefined)
+        return response(undefined, undefined, "interrupted", true, undefined, input.userMessageID)
      }
    }
    const terminal = await completed
@@ -244,6 +246,7 @@ export async function streamTurn(input: {
      terminal,
      control.cancelled,
      finish,
+      input.userMessageID,
    )
  } catch (error) {
    streamController.abort()
@@ -339,8 +342,9 @@ async function replayMessage(
              toolCallId: part.id,
              toolName: part.name,
              input: part.state.input,
-              metadata: part.state.metadata,
+              structured: part.state.structured,
              content: part.state.content,
+              result: part.state.result,
            }),
          },
        })
@@ -354,6 +358,7 @@ async function replayMessage(
              toolCallId: part.id,
              toolName: part.name,
              state: { input: part.state.input },
+              content: part.state.content,
              cwd,
            }),
          },
@@ -368,7 +373,7 @@ async function replayMessage(
              toolCallId: part.id,
              toolName: part.name,
              input: part.state.input,
-              metadata: part.state.metadata,
+              structured: part.state.structured,
              content: part.state.content,
              error: part.state.error.message,
              cwd,
@@ -395,6 +400,7 @@ function response(
  terminal: "succeeded" | "failed" | "interrupted",
  cancelled: boolean,
  finish: SessionMessageAssistant["finish"],
+  messageID: string | null | undefined,
 ): PromptResponse {
  const error = assistant?.error ?? executionError
  if (error?.type === "provider.auth") throw new ACPError.AuthRequiredError()
@@ -417,7 +423,7 @@ function response(
      }
    : undefined
  const stopReason = resolveStopReason({ terminal, cancelled, finish, error: error?.type })
-  return { stopReason, ...(usage ? { usage } : {}), _meta: {} }
+  return { stopReason, ...(usage ? { usage } : {}), ...(messageID ? { userMessageId: messageID } : {}), _meta: {} }
 }

 function resolveStopReason(input: {
@@ -53,16 +53,15 @@ export async function replyPermission(input: {

 export async function syncEditedFiles(input: {
  readonly connection: Partial<Pick<AgentSideConnection, "writeTextFile">>
-  readonly writeTextFile: boolean
  readonly sessionID: string
  readonly cwd: string
  readonly toolName: string
  readonly toolInput: ToolInput
-  readonly metadata: Readonly<Record<string, unknown>>
+  readonly structured: Readonly<Record<string, unknown>>
 }) {
-  if (!input.writeTextFile || !input.connection.writeTextFile || toToolKind(input.toolName) !== "edit") return
-  const files = Array.isArray(input.metadata.files)
-    ? input.metadata.files.flatMap((file): string[] => {
+  if (!input.connection.writeTextFile || toToolKind(input.toolName) !== "edit") return
+  const files = Array.isArray(input.structured.files)
+    ? input.structured.files.flatMap((file): string[] => {
        if (!file || typeof file !== "object") return []
        const path = Reflect.get(file, "file")
        return typeof path === "string" ? [path] : []
@@ -16,8 +16,6 @@ import type {
  CancelNotification,
  CloseSessionRequest,
  CloseSessionResponse,
-  DeleteSessionRequest,
-  DeleteSessionResponse,
  ForkSessionRequest,
  ForkSessionResponse,
  InitializeRequest,
@@ -35,10 +33,12 @@ import type {
  ResumeSessionResponse,
  SetSessionConfigOptionRequest,
  SetSessionConfigOptionResponse,
+  SetSessionModelRequest,
+  SetSessionModelResponse,
  SetSessionModeRequest,
  SetSessionModeResponse,
 } from "@agentclientprotocol/sdk"
-import { OPENCODE_VERSION } from "../version"
+import { InstallationVersion } from "@opencode-ai/util/installation/version"
 import { SessionMessage } from "@opencode-ai/schema/session-message"
 import { buildConfigOptions, parseModelSelection, type ConfigOptionProvider } from "./config-option"
 import { promptContentToParts } from "./content"
@@ -47,8 +47,7 @@ import { ACPError } from "./error"

 export const AuthMethodID = "opencode-login"

-type Connection = Pick<AgentSideConnection, "sessionUpdate" | "requestPermission"> &
-  Partial<Pick<AgentSideConnection, "writeTextFile">>
+type Connection = Pick<AgentSideConnection, "sessionUpdate" | "requestPermission">

 type Catalog = {
  readonly providers: ConfigOptionProvider[]
@@ -84,12 +83,12 @@ export interface Interface {
  newSession(input: NewSessionRequest): Promise<NewSessionResponse>
  loadSession(input: LoadSessionRequest): Promise<LoadSessionResponse>
  listSessions(input: ListSessionsRequest): Promise<ListSessionsResponse>
-  deleteSession(input: DeleteSessionRequest): Promise<DeleteSessionResponse>
  resumeSession(input: ResumeSessionRequest): Promise<ResumeSessionResponse>
  closeSession(input: CloseSessionRequest): Promise<CloseSessionResponse>
  forkSession(input: ForkSessionRequest): Promise<ForkSessionResponse>
  setSessionConfigOption(input: SetSessionConfigOptionRequest): Promise<SetSessionConfigOptionResponse>
  setSessionMode(input: SetSessionModeRequest): Promise<SetSessionModeResponse>
+  setSessionModel(input: SetSessionModelRequest): Promise<SetSessionModelResponse>
  prompt(input: PromptRequest): Promise<PromptResponse>
  cancel(input: CancelNotification): Promise<void>
 }
@@ -99,7 +98,6 @@ export function make(input: { readonly client: OpenCodeClient; readonly connecti
  const catalogs = new Map<string, Promise<Catalog>>()
  const registeredMcp = new Map<string, Set<string>>()
  const active = new Map<string, TurnControl>()
-  const capabilities = { writeTextFile: false }

  const catalog = (cwd: string) => {
    const cached = catalogs.get(cwd)
@@ -159,7 +157,6 @@ export function make(input: { readonly client: OpenCodeClient; readonly connecti

  return {
    initialize: async (params) => {
-      capabilities.writeTextFile = params.clientCapabilities?.fs?.writeTextFile === true
      const authMethod: AuthMethod = {
        description: "Run `opencode auth login` in the terminal",
        name: "Login with opencode",
@@ -176,10 +173,10 @@ export function make(input: { readonly client: OpenCodeClient; readonly connecti
          loadSession: true,
          mcpCapabilities: { http: true, sse: false },
          promptCapabilities: { embeddedContext: true, image: true },
-          sessionCapabilities: { close: {}, delete: {}, fork: {}, list: {}, resume: {} },
+          sessionCapabilities: { close: {}, fork: {}, list: {}, resume: {} },
        },
        authMethods: [authMethod],
-        agentInfo: { name: "OpenCode", version: OPENCODE_VERSION },
+        agentInfo: { name: "OpenCode", version: InstallationVersion },
      }
    },
    authenticate: async (params) => {
@@ -219,14 +216,6 @@ export function make(input: { readonly client: OpenCodeClient; readonly connecti
        ...(page.cursor.next ? { nextCursor: page.cursor.next } : {}),
      }
    },
-    deleteSession: async (params) => {
-      await input.client.session.remove({ sessionID: params.sessionId }).catch((error) => {
-        if (!isSessionNotFoundError(error)) throw error
-      })
-      sessions.delete(params.sessionId)
-      registeredMcp.delete(params.sessionId)
-      return {}
-    },
    resumeSession: async (params) => {
      const session = await getSession(input.client, params.sessionId)
      const state = await attach(session, session.location.directory, params.mcpServers ?? [])
@@ -281,6 +270,13 @@ export function make(input: { readonly client: OpenCodeClient; readonly connecti
      await selectMode(input.client, await requireSession(params.sessionId), params.modeId)
      return {}
    },
+    setSessionModel: async (params) => {
+      const state = await requireSession(params.sessionId)
+      const selected = requireModel(state.catalog, params.modelId)
+      state.model = selected
+      await input.client.session.switchModel({ sessionID: state.id, model: selected })
+      return {}
+    },
    prompt: async (params) => {
      const state = await requireSession(params.sessionId)
      if (active.has(state.id)) {
@@ -299,7 +295,7 @@ export function make(input: { readonly client: OpenCodeClient; readonly connecti
        sessionID: state.id,
        cwd: state.cwd,
        start: prepared.start,
-        writeTextFile: capabilities.writeTextFile,
+        userMessageID: params.messageId,
        control,
        submit: (signal) => submitPrompt(input.client, state, prepared, signal),
      }).finally(() => {
@@ -483,7 +479,6 @@ async function registerMcpServers(

 function mcpConfig(server: McpServer) {
  if ("type" in server) {
-    if (server.type === "acp") throw new Error("MCP-over-ACP is not supported")
    return {
      type: "remote" as const,
      url: server.url,
@@ -1,6 +1,5 @@
 import { isAbsolute, resolve } from "node:path"
 import type { ToolCall, ToolCallContent, ToolCallLocation, ToolCallUpdate, ToolKind } from "@agentclientprotocol/sdk"
-import { readDisplayText } from "@opencode-ai/tui/mini/tool"

 export type ToolInput = Record<string, unknown>
 export type ToolContent = ReadonlyArray<
@@ -101,12 +100,11 @@ export function completedToolUpdate(input: {
  readonly toolName: string
  readonly input: ToolInput
  readonly content: ToolContent
-  readonly metadata?: Readonly<Record<string, unknown>>
+  readonly structured: Readonly<Record<string, unknown>>
+  readonly result?: unknown
 }): ToolCallUpdate {
  const normalized = toolContent(input.content)
-  // Read's model content is a JSON page envelope; show the clean text instead.
-  const firstText = input.content.find((part) => part.type === "text")
-  const read = input.toolName.toLocaleLowerCase() === "read" && firstText ? readDisplayText(firstText.text) : undefined
+  const read = input.toolName.toLocaleLowerCase() === "read" ? readDisplayText(input.structured) : undefined
  const images = normalized.filter((part) => part.type === "content" && part.content.type === "image")
  const primary =
    read === undefined
@@ -130,7 +128,8 @@ export function completedToolUpdate(input: {
    status: "completed",
    content: [...primary, ...diff, ...images],
    rawOutput: {
-      ...(input.metadata === undefined ? {} : { metadata: input.metadata }),
+      structured: input.structured,
+      ...(input.result === undefined ? {} : { result: input.result }),
    },
  }
 }
@@ -139,8 +138,8 @@ export function errorToolUpdate(input: {
  readonly toolCallId: string
  readonly toolName: string
  readonly input: ToolInput
-  readonly content?: ToolContent
-  readonly metadata?: Readonly<Record<string, unknown>>
+  readonly content: ToolContent
+  readonly structured: Readonly<Record<string, unknown>>
  readonly error: string
  readonly cwd?: string
 }): ToolCallUpdate {
@@ -151,11 +150,8 @@ export function errorToolUpdate(input: {
    title: toolTitle(input.toolName, input.input, undefined),
    locations: toLocations(input.toolName, input.input, input.cwd),
    rawInput: rawInput(input.toolName, input.input, input.cwd),
-    content: [...toolContent(input.content ?? []), { type: "content", content: { type: "text", text: input.error } }],
-    rawOutput: {
-      ...(input.metadata === undefined ? {} : { metadata: input.metadata }),
-      error: input.error,
-    },
+    content: [...toolContent(input.content), { type: "content", content: { type: "text", text: input.error } }],
+    rawOutput: { structured: input.structured, error: input.error },
  }
 }

@@ -168,6 +164,21 @@ function toolContent(content: ToolContent): ToolCallContent[] {
  })
 }

+function readDisplayText(structured: Readonly<Record<string, unknown>>) {
+  if (typeof structured.content === "string") {
+    if (structured.type === "text-page" || structured.encoding === "utf8") return structured.content
+  }
+  if (!Array.isArray(structured.entries)) return undefined
+  return structured.entries
+    .flatMap((entry): string[] => {
+      if (typeof entry === "string") return [entry]
+      if (!entry || typeof entry !== "object") return []
+      const path = Reflect.get(entry, "path")
+      return typeof path === "string" ? [path] : []
+    })
+    .join("\n")
+}
+
 function toolTitle(toolName: string, input: ToolInput, fallback: string | undefined) {
  if (isShell(toolName)) return stringValue(input.command) ?? stringValue(input.cmd) ?? fallback ?? toolName
  return fallback || toolName
@@ -32,7 +32,6 @@ export const Commands = Spec.make(typeof OPENCODE_CLI_NAME === "string" ? OPENCO
      Flag.withDescription("Session ID to continue"),
      Flag.optional,
    ),
-    prompt: Flag.string("prompt").pipe(Flag.withDescription("Prompt to use"), Flag.optional),
  },
  commands: [
    Spec.make("acp", { description: "Start an Agent Client Protocol server" }),
@@ -140,11 +139,11 @@ export const Commands = Spec.make(typeof OPENCODE_CLI_NAME === "string" ? OPENCO
          Flag.withDefault(false),
        ),
        replay: Flag.boolean("replay").pipe(
-          Flag.withDescription("Restore session history on resume and resize (disable with --no-replay)"),
-          Flag.optional,
+          Flag.withDescription("Replay session history on resume and after resize"),
+          Flag.withDefault(true),
        ),
        replayLimit: Flag.integer("replay-limit").pipe(
-          Flag.withDescription("Limit replay to the newest N messages (default: 200)"),
+          Flag.withDescription("Cap visible replay to the newest N messages"),
          Flag.optional,
        ),
        model: Flag.string("model").pipe(
@@ -9,7 +9,6 @@ import { ServerConnection } from "../../services/server-connection"
 import { Updater } from "../../services/updater"
 import { UpdatePreflight } from "../../services/update-preflight"
 import { Npm } from "@opencode-ai/util/npm"
-import { OPENCODE_CHANNEL, OPENCODE_VERSION } from "../../version"

 export default Runtime.handler(Commands, (input) =>
  Effect.gen(function* () {
@@ -45,7 +44,6 @@ export default Runtime.handler(Commands, (input) =>
    const runPromise = Effect.runPromiseWith(context)
    const service = server.service
    yield* run({
-      app: { name: process.env.OPENCODE_CLIENT ?? "cli", version: OPENCODE_VERSION, channel: OPENCODE_CHANNEL },
      server: {
        endpoint: server.endpoint,
        service: service
@@ -55,11 +53,7 @@ export default Runtime.handler(Commands, (input) =>
            }
          : undefined,
      },
-      args: {
-        continue: input.continue,
-        sessionID: Option.getOrUndefined(input.session),
-        prompt: Option.getOrUndefined(input.prompt),
-      },
+      args: { continue: input.continue, sessionID: Option.getOrUndefined(input.session) },
      config: {
        path: config.path,
        get: () => runPromise(config.get()),
@@ -28,13 +28,10 @@ export default Runtime.handler(Commands.commands.mini, (input) =>
        model: Option.getOrUndefined(input.model),
        agent: Option.getOrUndefined(input.agent),
        prompt: Option.getOrUndefined(input.prompt),
-        replay: Option.getOrUndefined(input.replay) ?? resolved.mini?.replay ?? true,
-        replayLimit: Option.getOrUndefined(input.replayLimit) ?? resolved.mini?.replay_limit,
+        replay: input.replay,
+        replayLimit: Option.getOrUndefined(input.replayLimit),
        demo: input.demo,
        tuiConfig: resolved,
-        config: {
-          update: (update) => runServicePromise(config.update(update)),
-        },
      }),
    )
  }),
@@ -1,12 +1,13 @@
 #!/usr/bin/env bun

 import { NodeRuntime, NodeServices } from "@effect/platform-node"
-import { Effect } from "effect"
+import { Effect, Layer } from "effect"
 import { Commands } from "./commands/commands"
 import { Runtime } from "./framework/runtime"
 import { Observability } from "@opencode-ai/util/observability"
+import { Client } from "@opencode-ai/util/client"
 import { Updater } from "./services/updater"
-import { OPENCODE_CHANNEL, OPENCODE_LOCAL, OPENCODE_VERSION } from "./version"
+import { InstallationChannel, InstallationVersion, InstallationLocal } from "@opencode-ai/util/installation/version"
 import { LayerNode } from "@opencode-ai/util/effect/layer-node"
 import { Global } from "@opencode-ai/util/global"
 import { AppProcess } from "@opencode-ai/util/process"
@@ -52,12 +53,12 @@ const Handlers = Runtime.handlers(Commands, {
 })

 Effect.logInfo("cli starting", {
-  version: OPENCODE_VERSION,
-  channel: OPENCODE_CHANNEL,
-  local: OPENCODE_LOCAL,
+  version: InstallationVersion,
+  channel: InstallationChannel,
+  local: InstallationLocal,
  args: process.argv.slice(2),
 }).pipe(
-  Effect.flatMap(() => Runtime.run(Commands, Handlers, { version: OPENCODE_VERSION })),
+  Effect.flatMap(() => Runtime.run(Commands, Handlers, { version: InstallationVersion })),
  Effect.annotateLogs({ role: "cli" }),
  Effect.provide(Config.layer),
  Effect.provide(Updater.layer),
@@ -73,10 +74,7 @@ Effect.logInfo("cli starting", {
    Observability.layer({
      endpoint: process.env.OTEL_EXPORTER_OTLP_ENDPOINT,
      headers: process.env.OTEL_EXPORTER_OTLP_HEADERS,
-      client: process.env.OPENCODE_CLIENT ?? "cli",
-      version: OPENCODE_VERSION,
-      channel: OPENCODE_CHANNEL,
-    }),
+    }).pipe(Layer.provide(Client.layer(process.env.OPENCODE_CLIENT))),
  ),
  Effect.provide(NodeServices.layer),
  Effect.scoped,
@@ -2,6 +2,7 @@ import { Service, type Endpoint } from "@opencode-ai/client/effect/service"
 import { ClientError, OpenCode, type OpenCodeClient } from "@opencode-ai/client/promise"
 import type { MiniFrontendInput } from "@opencode-ai/tui/mini"
 import { setTimeout } from "node:timers/promises"
+import { waitForCatalogReady } from "./services/catalog"
 import { readStdin } from "./util/io"
 import { createMiniHost, INTERACTIVE_INPUT_ERROR, usingInteractiveStdin } from "./mini-host"
 import { parseSessionTargetModel, resolveSessionTarget, type SessionTargetPreparation } from "./session-target"
@@ -21,7 +22,6 @@ export type MiniCommandInput = {
  replayLimit?: number
  demo?: boolean
  tuiConfig?: MiniFrontendInput["tuiConfig"]
-  config?: MiniFrontendInput["config"]
 }

 type Model = MiniFrontendInput["model"]
@@ -119,7 +119,6 @@ export async function runMini(input: MiniCommandInput) {
        replayLimit: input.replayLimit,
        demo: input.demo,
        tuiConfig: input.tuiConfig,
-        config: input.config,
      })
    })
    if (result.exitCode !== 0) process.exit(result.exitCode)
@@ -213,7 +212,63 @@ function parseModel(value?: string) {
 }

 function prepareTarget(requestedAgent?: string): SessionTargetPreparation {
-  return async (input) => ({ model: input.model, agent: requestedAgent ?? input.agent })
+  return async (input) => {
+    if (input.model)
+      await waitForCatalogReady({
+        sdk: input.client,
+        directory: input.location.directory,
+        workspace: input.location.workspaceID,
+        model: { providerID: input.model.providerID, modelID: input.model.id },
+        signal: input.signal,
+      })
+    return {
+      model: input.model,
+      agent: requestedAgent
+        ? await validateAgent(
+            input.client,
+            input.location.directory,
+            input.location.workspaceID,
+            requestedAgent,
+            input.signal,
+          )
+        : input.agent,
+    }
+  }
+}
+
+async function validateAgent(
+  sdk: OpenCodeClient,
+  directory: string,
+  workspace: string | undefined,
+  name?: string,
+  signal?: AbortSignal,
+) {
+  if (!name) return
+  const deadline = Date.now() + 5_000
+  let agents: Awaited<ReturnType<OpenCodeClient["agent"]["list"]>> | undefined
+  while (Date.now() < deadline && !signal?.aborted) {
+    agents = await sdk.agent.list({ location: { directory, workspace } }, { signal }).catch((error) => {
+      if (signal && error instanceof ClientError && error.reason === "Transport") throw error
+      return undefined
+    })
+    const agent = agents?.data.find((item) => item.id === name)
+    if (agent?.mode === "subagent") {
+      warning(`agent "${name}" is a subagent, not a primary agent. Falling back to default agent`)
+      return
+    }
+    if (agent) return name
+    await setTimeout(25, undefined, { signal }).catch(() => {})
+  }
+  if (signal?.aborted) return
+  if (!agents) {
+    warning("failed to list agents. Falling back to default agent")
+    return
+  }
+  warning(`agent "${name}" not found. Falling back to default agent`)
+}
+
+function warning(message: string) {
+  process.stderr.write(`\x1b[93m\x1b[1m!\x1b[0m ${message}\n`)
 }

 function fail(message: string): never {
@@ -10,7 +10,6 @@ import {
  Reference,
  Skill,
 } from "@opencode-ai/plugin/v2"
-import { Tool } from "@opencode-ai/plugin/v2/tool"

 const key = Symbol.for("opencode.plugin.v2.promise")
 ;(globalThis as typeof globalThis & { [key]?: unknown })[key] = {
@@ -24,5 +23,4 @@ const key = Symbol.for("opencode.plugin.v2.promise")
  Provider,
  Reference,
  Skill,
-  Tool,
 }
@@ -10,7 +10,7 @@ import type {
 import { SessionMessage } from "@opencode-ai/schema/session-message"
 import { EOL } from "node:os"
 import { readFile } from "node:fs/promises"
-import { nonEmptyToolContent, toolOutputText, type MiniToolPart } from "@opencode-ai/tui/mini/tool"
+import { toolOutputText, type MiniToolPart } from "@opencode-ai/tui/mini/tool"
 import { UI } from "./ui"

 type Model = {
@@ -55,7 +55,7 @@ type ToolState = StartedPart & {
  raw?: string
  provider?: unknown
  providerState?: SessionMessageAssistantTool["providerState"]
-  metadata: Record<string, JsonValue>
+  structured: Record<string, JsonValue>
  content: LLMToolContent[]
 }

@@ -211,17 +211,10 @@ export async function runNonInteractivePrompt(input: Input) {
      }
      if (!promoted && event.type === "session.execution.failed") {
        prePromotionError = event.data.error
-        if (finalizing) return
        continue
      }
-      if (
-        !promoted &&
-        finalizing &&
-        (event.type === "session.execution.succeeded" || event.type === "session.execution.interrupted")
-      )
-        return
      if (!promoted) continue
-      if (finalizing && !event.type.startsWith("session.execution.")) continue
+      if (finalizing) continue

      if (event.type === "session.step.started") {
        const part = {
@@ -306,7 +299,7 @@ export async function runNonInteractivePrompt(input: Input) {
          assistantMessageID: event.data.assistantMessageID,
          tool: event.data.name,
          input: {},
-          metadata: {},
+          structured: {},
          content: [],
        })
        continue
@@ -334,7 +327,7 @@ export async function runNonInteractivePrompt(input: Input) {
          raw: current?.raw,
          provider: { executed: event.data.executed, state: event.data.state },
          providerState: event.data.state,
-          metadata: {},
+          structured: {},
          content: [],
        })
        continue
@@ -342,7 +335,8 @@ export async function runNonInteractivePrompt(input: Input) {
      if (event.type === "session.tool.progress") {
        const current = tools.get(toolKey(event.data.assistantMessageID, event.data.callID))
        if (current) {
-          current.metadata = event.data.metadata
+          current.structured = event.data.structured
+          current.content = event.data.content
        }
        continue
      }
@@ -359,8 +353,9 @@ export async function runNonInteractivePrompt(input: Input) {
          state: {
            status: "completed",
            input: current.input,
-            metadata: event.data.metadata,
+            structured: event.data.structured,
            content: event.data.content,
+            result: event.data.result,
          },
          time: { created: current.timestamp, ran: current.timestamp, completed: time },
        }
@@ -377,8 +372,9 @@ export async function runNonInteractivePrompt(input: Input) {
            output: toolOutputText(current.tool, event.data.content),
            title: current.tool,
            metadata: {
-              metadata: event.data.metadata,
+              structured: event.data.structured,
              content: event.data.content,
+              result: event.data.result,
              providerCall: current.provider,
              providerResult: { executed: event.data.executed, state: event.data.resultState },
              rawInput: current.raw,
@@ -395,8 +391,6 @@ export async function runNonInteractivePrompt(input: Input) {
        const key = toolKey(event.data.assistantMessageID, event.data.callID)
        const current = tools.get(key) ?? fallbackTool(event)
        const error = event.data.error.message
-        const metadata = event.data.metadata ?? current.metadata
-        const content = event.data.content ?? nonEmptyToolContent(current.content)
        const tool: SessionMessageAssistantTool = {
          type: "tool",
          id: event.data.callID,
@@ -407,9 +401,10 @@ export async function runNonInteractivePrompt(input: Input) {
          state: {
            status: "error",
            input: current.input,
-            metadata,
-            content,
+            structured: current.structured,
+            content: current.content,
            error: event.data.error,
+            result: event.data.result,
          },
          time: { created: current.timestamp, ran: current.timestamp, completed: time },
        }
@@ -425,6 +420,7 @@ export async function runNonInteractivePrompt(input: Input) {
            input: current.input,
            error,
            metadata: {
+              result: event.data.result,
              providerCall: current.provider,
              providerResult: { executed: event.data.executed, state: event.data.resultState },
              rawInput: current.raw,
@@ -436,14 +432,15 @@ export async function runNonInteractivePrompt(input: Input) {
        renderedTools.add(key)
        if (input.compatibility === "v1" && (permissionRejected || formCancelled)) continue
        if (!emit("tool_use", time, { part })) {
-          if (content && toolOutputText(current.tool, content).trim())
+          if (toolOutputText(current.tool, current.content).trim())
            await input.renderTool({
              ...tool,
              state: {
                status: "completed",
                input: current.input,
-                metadata,
-                content,
+                structured: current.structured,
+                content: current.content,
+                result: event.data.result,
              },
            })
          await input.renderToolError(tool)
@@ -591,14 +588,14 @@ export async function runNonInteractivePrompt(input: Input) {
                  input: item.state.input,
                  output: toolOutputText(item.name, item.state.content),
                  title: item.name,
-                  metadata: { metadata: item.state.metadata, content: item.state.content },
+                  metadata: { structured: item.state.structured, content: item.state.content, result: item.state.result },
                  time: { start: item.time.ran ?? item.time.created, end: item.time.completed ?? timestamp },
                }
              : {
                  status: "error",
                  input: item.state.input,
                  error: item.state.error.message,
-                  metadata: { metadata: item.state.metadata, content: item.state.content },
+                  metadata: { structured: item.state.structured, content: item.state.content, result: item.state.result },
                  time: { start: item.time.ran ?? item.time.created, end: item.time.completed ?? timestamp },
                },
        }
@@ -608,16 +605,8 @@ export async function runNonInteractivePrompt(input: Input) {
          await input.renderTool(item)
          continue
        }
-        if (item.state.content && toolOutputText(item.name, item.state.content).trim()) {
-          await input.renderTool({
-            ...item,
-            state: {
-              status: "completed",
-              input: item.state.input,
-              metadata: item.state.metadata,
-              content: item.state.content,
-            },
-          })
+        if (toolOutputText(item.name, item.state.content).trim()) {
+          await input.renderTool({ ...item, state: { ...item.state, status: "completed" } })
        }
        await input.renderToolError(item)
        UI.error(item.state.error.message)
@@ -629,10 +618,7 @@ export async function runNonInteractivePrompt(input: Input) {
        if (!emit("error", timestamp, { error: message.error })) UI.error(message.error.message)
      }
    }
-    return {
-      found: projected.found,
-      responded: projected.messages.some((message) => message.type === "assistant"),
-    }
+    return projected.found
  }

  const interrupt = () => {
@@ -722,18 +708,9 @@ export async function runNonInteractivePrompt(input: Input) {
    const waiting = input.client.session.wait({ sessionID: input.sessionID })
    await Promise.race([waiting, completed.then(() => waiting)])
    finalizing = true
-    const projected = await reconcile()
-    if (
-      !projected.responded &&
-      !interrupted &&
-      !permissionRejected &&
-      !formCancelled &&
-      !emittedError &&
-      !prePromotionError
-    ) {
-      await completed
-    }
-    if (!projected.found && !interrupted && !permissionRejected && !formCancelled && !emittedError) {
+    controller.abort()
+    const found = await reconcile()
+    if (!found && !interrupted && !permissionRejected && !formCancelled && !emittedError) {
      const error = prePromotionError ?? { type: "unknown", message: "Prompt was not promoted" }
      emittedError = true
      process.exitCode = 1
@@ -794,7 +771,7 @@ function fallbackTool(event: {
    assistantMessageID: event.data.assistantMessageID,
    tool: "tool",
    input: {},
-    metadata: {},
+    structured: {},
    content: [],
  }
 }
@@ -5,6 +5,7 @@ import { open } from "node:fs/promises"
 import path from "node:path"
 import { readStdin } from "../util/io"
 import { ServerConnection } from "../services/server-connection"
+import { waitForCatalogReady } from "../services/catalog"
 import { parseSessionTargetModel, resolveSessionTarget } from "../session-target"
 import { toolInlineInfo } from "@opencode-ai/tui/mini/tool"
 import { runNonInteractivePrompt } from "./noninteractive"
@@ -94,11 +95,9 @@ async function execute(input: RunCommandInput, prepared: Prepared, endpoint: End
    prepare: async (next) => {
      const selected =
        next.model ??
-        (options.variant
-          ? await client.model
-              .default({ location: { directory: next.location.directory, workspace: next.location.workspaceID } })
-              .then((result) => result.data)
-          : undefined)
+        (await client.model
+          .default({ location: { directory: next.location.directory, workspace: next.location.workspaceID } })
+          .then((result) => result.data))
      const model = selected
        ? {
            providerID: selected.providerID,
@@ -108,7 +107,25 @@ async function execute(input: RunCommandInput, prepared: Prepared, endpoint: End
        : undefined
      if ((options.variant ?? explicit?.variant) && !model)
        throw new RunTargetError("Cannot select a variant before selecting a model", next.session?.id)
-      return { model, agent: next.agent }
+      if (model) {
+        await waitForCatalogReady({
+          sdk: client,
+          directory: next.location.directory,
+          workspace: next.location.workspaceID,
+          model: { providerID: model.providerID, modelID: model.id },
+        })
+        const available = await client.model.list({
+          location: { directory: next.location.directory, workspace: next.location.workspaceID },
+        })
+        if (!available.data.some((item) => item.providerID === model.providerID && item.id === model.id))
+          throw new RunTargetError(`Model unavailable: ${model.providerID}/${model.id}`, next.session?.id)
+      }
+      return {
+        model,
+        agent: input.agent
+          ? await validateAgent(client, next.location.directory, next.location.workspaceID, input.agent)
+          : next.agent,
+      }
    },
  }).catch((error) => {
    if (!(error instanceof RunTargetError)) throw error
@@ -173,6 +190,28 @@ export function parseRunModel(value?: string) {
  }
 }

+async function validateAgent(client: OpenCodeClient, directory: string, workspace: string | undefined, name?: string) {
+  if (!name) return
+  const agents = await client.agent
+    .list({ location: { directory, workspace } })
+    .then((result) => result.data)
+    .catch(() => undefined)
+  if (!agents) {
+    warning("failed to list agents. Falling back to default agent")
+    return
+  }
+  const agent = agents.find((item) => item.id === name)
+  if (!agent) {
+    warning(`agent "${name}" not found. Falling back to default agent`)
+    return
+  }
+  if (agent.mode === "subagent") {
+    warning(`agent "${name}" is a subagent, not a primary agent. Falling back to default agent`)
+    return
+  }
+  return name
+}
+
 async function prepareFile(input: string, directory: string, options: ExecutionOptions): Promise<FilePart> {
  const file = path.resolve(directory, input)
  const handle = await open(file, "r").catch(() => fail(`File not found: ${input}`))
@@ -4,7 +4,7 @@ import { NodeServices } from "@effect/platform-node"
 import { Service, type DiscoverOptions, type Info } from "@opencode-ai/client/effect/service"
 import { LayerNode } from "@opencode-ai/util/effect/layer-node"
 import { Global } from "@opencode-ai/util/global"
-import { OPENCODE_CHANNEL, OPENCODE_VERSION } from "./version"
+import { InstallationVersion } from "@opencode-ai/util/installation/version"
 import { AppProcess } from "@opencode-ai/util/process"
 import { randomBytes, randomUUID } from "node:crypto"
 import path from "node:path"
@@ -69,23 +69,13 @@ const processEffect = Effect.fnUntraced(function* (options: Options) {
      const instanceID = randomUUID()
      const server = yield* start(
        {
-          app: {
-            name: process.env.OPENCODE_CLIENT ?? "cli",
-            version: OPENCODE_VERSION,
-            channel: OPENCODE_CHANNEL,
-          },
+          client: process.env.OPENCODE_CLIENT ?? "cli",
          hostname,
          port,
          password,
          simulation: truthy(process.env.OPENCODE_SIMULATE),
          database: {
-            path:
-              process.env.OPENCODE_DB ??
-              (["latest", "beta", "prod"].includes(OPENCODE_CHANNEL) ||
-              process.env.OPENCODE_DISABLE_CHANNEL_DB === "1" ||
-              process.env.OPENCODE_DISABLE_CHANNEL_DB === "true"
-                ? "opencode.db"
-                : `opencode-${OPENCODE_CHANNEL.replace(/[^a-zA-Z0-9._-]/g, "-")}.db`),
+            path: process.env.OPENCODE_DB,
          },
          models: {
            url: process.env.OPENCODE_MODELS_URL,
@@ -177,7 +167,7 @@ const register = Effect.fnUntraced(function* (
  yield* fs.makeDirectory(path.dirname(file), { recursive: true })
  const info = {
    id,
-    version: OPENCODE_VERSION,
+    version: InstallationVersion,
    url: HttpServer.formatAddress(address),
    pid: process.pid,
    password,
@@ -0,0 +1,43 @@
+import { ClientError, type OpenCodeClient } from "@opencode-ai/client/promise"
+
+// Location plugins initialize asynchronously, so explicit model selection must
+// wait for that exact model before prompt admission. The execution path owns
+// the authoritative error if readiness times out.
+export async function waitForCatalogReady(input: {
+  sdk: OpenCodeClient
+  directory: string
+  workspace?: string
+  model: { providerID: string; modelID: string }
+  timeoutMs?: number
+  signal?: AbortSignal
+}) {
+  const deadline = Date.now() + (input.timeoutMs ?? 5_000)
+  while (Date.now() < deadline && !input.signal?.aborted) {
+    const models = await input.sdk.model
+      .list(
+        { location: { directory: input.directory, workspace: input.workspace } },
+        { signal: input.signal },
+      )
+      .then((result) => result.data)
+      .catch((error) => {
+        if (input.signal && error instanceof ClientError && error.reason === "Transport") throw error
+        return undefined
+      })
+    if (models?.some((model) => model.providerID === input.model.providerID && model.id === input.model.modelID)) return
+    await wait(25, input.signal)
+  }
+}
+
+function wait(delay: number, signal?: AbortSignal) {
+  if (!signal) return new Promise<void>((resolve) => setTimeout(resolve, delay))
+  if (signal.aborted) return Promise.resolve()
+  return new Promise<void>((resolve) => {
+    const timer = setTimeout(done, delay)
+    signal.addEventListener("abort", done, { once: true })
+    function done() {
+      clearTimeout(timer)
+      signal?.removeEventListener("abort", done)
+      resolve()
+    }
+  })
+}
@@ -1,6 +1,6 @@
 import { Service, type Endpoint, type EnsureOptions } from "@opencode-ai/client/effect/service"
 import { ClientError, isUnauthorizedError, OpenCode } from "@opencode-ai/client/promise"
-import { OPENCODE_VERSION } from "../version"
+import { InstallationVersion } from "@opencode-ai/util/installation/version"
 import { Effect, Redacted } from "effect"
 import { Env } from "../env"
 import { ServiceConfig } from "./service-config"
@@ -32,9 +32,9 @@ export const resolve = Effect.fn("cli.server-connection.resolve")(function* (arg
      try: () => client.health.get({ signal: AbortSignal.timeout(5_000) }),
      catch: (cause) => connectError(endpoint, cause),
    })
-    if (health.version !== OPENCODE_VERSION)
+    if (health.version !== InstallationVersion)
      process.stderr.write(
-        `Warning: Server at ${endpoint.url} has version ${health.version}; this client is ${OPENCODE_VERSION}. Continuing anyway.\n`,
+        `Warning: Server at ${endpoint.url} has version ${health.version}; this client is ${InstallationVersion}. Continuing anyway.\n`,
      )
    return { endpoint } satisfies Resolved
  }
@@ -1,5 +1,5 @@
 import { Global } from "@opencode-ai/util/global"
-import { OPENCODE_CHANNEL, OPENCODE_VERSION } from "../version"
+import { InstallationChannel, InstallationVersion } from "@opencode-ai/util/installation/version"
 import { Hash } from "@opencode-ai/util/hash"
 import { Service } from "@opencode-ai/client/effect/service"
 import { Effect, FileSystem, Option, Schema } from "effect"
@@ -24,26 +24,26 @@ type Key = (typeof keys)[number]
 const decodeInfo = Schema.decodeUnknownEffect(Schema.fromJsonString(Info))
 const decodeRegistration = Schema.decodeUnknownEffect(Schema.fromJsonString(Service.Info))

-export function filename(channel = OPENCODE_CHANNEL) {
+export function filename(channel = InstallationChannel) {
  if (channel === "latest" || channel === "next") return "service.json"
  return `service-${channel.replace(/[^a-zA-Z0-9._-]/g, "-")}.json`
 }

-export function defaultPort(channel = OPENCODE_CHANNEL) {
+export function defaultPort(channel = InstallationChannel) {
  if (channel === "latest" || channel === "next") return 0xc0de
  if (channel === "local") return 0xc0df
  return 10_000 + (Number.parseInt(Hash.fast(channel).slice(0, 8), 16) % 50_000)
 }

-export function legacyFilename(channel = OPENCODE_CHANNEL) {
+export function legacyFilename(channel = InstallationChannel) {
  if (channel === "latest" || channel === "local") return
  return `service-${Hash.fast(channel)}.json`
 }

 export function versionBelongsToChannel(
  version: string | undefined,
-  channel = OPENCODE_CHANNEL,
-  installedVersion = OPENCODE_VERSION,
+  channel = InstallationChannel,
+  installedVersion = InstallationVersion,
 ) {
  if (version === undefined) return false
  if (version === installedVersion) return true
@@ -55,8 +55,8 @@ export function versionBelongsToChannel(
 export const migrateRegistration = Effect.fnUntraced(function* (
  legacy: string,
  file: string,
-  channel = OPENCODE_CHANNEL,
-  installedVersion = OPENCODE_VERSION,
+  channel = InstallationChannel,
+  installedVersion = InstallationVersion,
 ) {
  const fs = yield* FileSystem.FileSystem
  const text = yield* fs.readFileString(legacy).pipe(Effect.option)
@@ -92,7 +92,7 @@ const paths = Effect.gen(function* () {
    legacyConfigFile: legacy ? path.join(global.config, legacy) : undefined,
    legacyRegistrationFiles: [
      ...(legacy ? [path.join(global.state, legacy)] : []),
-      ...(name !== "service.json" && OPENCODE_CHANNEL !== "local" ? [path.join(global.state, "service.json")] : []),
+      ...(name !== "service.json" && InstallationChannel !== "local" ? [path.join(global.state, "service.json")] : []),
    ],
    configFile: path.join(global.config, name),
  }
@@ -103,7 +103,7 @@ export const options = Effect.fnUntraced(function* () {
  yield* Effect.forEach(legacyRegistrationFiles, (legacy) => migrateRegistration(legacy, file))
  return {
    file,
-    version: OPENCODE_VERSION,
+    version: InstallationVersion,
    command: [...selfCommand(), "serve", "--service"],
  }
 })
@@ -3,7 +3,7 @@
 // version-mismatched background service before the TUI attaches.
 import { createCliRenderer, RGBA, TextAttributes, type CliRenderer, type ThemeMode } from "@opentui/core"
 import { render, useTerminalDimensions } from "@opentui/solid"
-import { OPENCODE_VERSION } from "../version"
+import { InstallationVersion } from "@opencode-ai/util/installation/version"
 import { registerOpencodeSpinner } from "@opencode-ai/tui/component/register-spinner"
 import { SPINNER_FRAMES } from "@opencode-ai/tui/component/spinner"
 import { go } from "@opencode-ai/tui/logo"
@@ -356,12 +356,12 @@ function UpdateFooter(props: {
          ] as const)
        : []),
      ["to", colors.muted],
-      [OPENCODE_VERSION, colors.accent],
+      [InstallationVersion, colors.accent],
    )
  const completedHeader = phrase(
    ["OpenCode", colors.muted, true],
    ["updated to", colors.muted],
-    [OPENCODE_VERSION, colors.accent],
+    [InstallationVersion, colors.accent],
  )
  const pausedHeader = phrase(["OpenCode", colors.muted, true], ["update paused", colors.muted])
  const outcomeStatus = () =>
@@ -1,6 +1,10 @@
 import { Global } from "@opencode-ai/util/global"
 import { AppProcess } from "@opencode-ai/util/process"
-import { OPENCODE_CHANNEL, OPENCODE_LOCAL, OPENCODE_VERSION } from "../version"
+import {
+  InstallationChannel,
+  InstallationLocal,
+  InstallationVersion,
+} from "@opencode-ai/util/installation/version"
 import { Context, Duration, Effect, FileSystem, Layer } from "effect"
 import { ChildProcess } from "effect/unstable/process"
 import { parse, type ParseError } from "jsonc-parser"
@@ -48,7 +52,7 @@ export const layer = Layer.effect(
    const fs = yield* FileSystem.FileSystem
    const global = yield* Global.Service
    const appProcess = yield* AppProcess.Service
-    const channel = OPENCODE_CHANNEL.replace(/[^a-zA-Z0-9._-]/g, "-")
+    const channel = InstallationChannel.replace(/[^a-zA-Z0-9._-]/g, "-")

    const readPolicy = Effect.fnUntraced(function* () {
      const values = yield* Effect.forEach(["config.json", "opencode.json", "opencode.jsonc"], (name) =>
@@ -95,8 +99,8 @@ export const layer = Layer.effect(
      const response = yield* Effect.tryPromise({
        try: () =>
          fetch(
-            `https://update.opencode.ai/api/${encodeURIComponent(channel)}/cli/npm`,
-            { headers: { "User-Agent": `opencode/${OPENCODE_VERSION}` }, signal: AbortSignal.timeout(10_000) },
+            `https://registry.npmjs.org/${encodeURIComponent(packageName)}/${encodeURIComponent(InstallationChannel)}`,
+            { headers: { "User-Agent": `opencode/${InstallationVersion}` }, signal: AbortSignal.timeout(10_000) },
          ),
        catch: (cause) => new Error("Failed to check for updates", { cause }),
      })
@@ -134,13 +138,13 @@ export const layer = Layer.effect(

    const check = Effect.fn("cli.updater.check")(function* () {
      if (
-        OPENCODE_LOCAL ||
+        InstallationLocal ||
        ["1", "true"].includes(process.env.OPENCODE_DISABLE_AUTOUPDATE?.toLowerCase() ?? "")
      )
        return yield* Effect.logInfo("update check skipped", {
-          reason: OPENCODE_LOCAL ? "local-install" : "disabled",
-          version: OPENCODE_VERSION,
-          channel: OPENCODE_CHANNEL,
+          reason: InstallationLocal ? "local-install" : "disabled",
+          version: InstallationVersion,
+          channel: InstallationChannel,
        })
      const policy = yield* readPolicy()
      if (policy === false) return yield* Effect.logInfo("update check skipped", { reason: "policy-disabled" })
@@ -148,15 +152,15 @@ export const layer = Layer.effect(
      return yield* Effect.gen(function* () {
        const version = yield* latest()
        yield* Effect.logInfo("update check", {
-          current: OPENCODE_VERSION,
+          current: InstallationVersion,
          latest: version,
        })
-        const next = action(OPENCODE_VERSION, version, policy)
+        const next = action(InstallationVersion, version, policy)
        if (next === "none") return yield* Effect.logInfo("update check done", { action: "up-to-date" })
        const detected = yield* method()
        if (!detected) return yield* Effect.logWarning("automatic update skipped: installation method not found")
        yield* upgrade(detected, version)
-        yield* Effect.logInfo("updated OpenCode", { from: OPENCODE_VERSION, to: version, method: detected })
+        yield* Effect.logInfo("updated OpenCode", { from: InstallationVersion, to: version, method: detected })
      })
    }, Effect.catchCause((cause) => Effect.logWarning("automatic update failed", { cause })))

@@ -74,7 +74,7 @@ export async function resolveSessionTarget(input: {
    session,
    location,
    model: prepared.model,
-    agent: prepared.agent ?? session.agent,
+    agent: prepared.agent,
    resume: selected !== undefined,
  }
 }
@@ -1,8 +0,0 @@
-declare const OPENCODE_VERSION: string
-declare const OPENCODE_CHANNEL: string
-
-const version = typeof OPENCODE_VERSION === "string" ? OPENCODE_VERSION : "local"
-const channel = typeof OPENCODE_CHANNEL === "string" ? OPENCODE_CHANNEL : "local"
-
-export { version as OPENCODE_VERSION, channel as OPENCODE_CHANNEL }
-export const OPENCODE_LOCAL = channel === "local"
@@ -214,11 +214,12 @@ describe("acp event behavior", () => {
          }),
        )
        send(
-          ephemeralEvent("session.tool.progress", {
+          durableEvent("session.tool.progress", {
            sessionID: "ses_tools",
            assistantMessageID: "msg_tools",
            callID: "call_ok",
-            metadata: { phase: 1 },
+            structured: { phase: 1 },
+            content: [{ type: "text", text: "working" }],
          }),
        )
        send(
@@ -226,8 +227,9 @@ describe("acp event behavior", () => {
            sessionID: "ses_tools",
            assistantMessageID: "msg_tools",
            callID: "call_ok",
-            metadata: { exit: 0 },
+            structured: { exit: 0 },
            content: [{ type: "text", text: "done" }],
+            result: { code: 0 },
            executed: true,
          }),
        )
@@ -249,11 +251,12 @@ describe("acp event behavior", () => {
          }),
        )
        send(
-          ephemeralEvent("session.tool.progress", {
+          durableEvent("session.tool.progress", {
            sessionID: "ses_tools",
            assistantMessageID: "msg_tools",
            callID: "call_fail",
-            metadata: { bytes: 0 },
+            structured: { bytes: 0 },
+            content: [{ type: "text", text: "opening" }],
          }),
        )
        send(
@@ -262,8 +265,6 @@ describe("acp event behavior", () => {
            assistantMessageID: "msg_tools",
            callID: "call_fail",
            error: { type: "tool.error", message: "not found" },
-            metadata: { bytes: 0 },
-            content: [{ type: "text", text: "opening" }],
            executed: true,
          }),
        )
@@ -310,10 +311,12 @@ describe("acp event behavior", () => {
        locations: [{ path: resolve("/workspace", "sub") }],
        rawInput: { command: "printf done", workdir: "sub" },
      })
-      expect(updates[2]?.update).not.toHaveProperty("content")
+      expect(updates[2]?.update).toMatchObject({
+        content: [{ type: "content", content: { type: "text", text: "working" } }],
+      })
      expect(updates[3]?.update).toMatchObject({
        content: [{ type: "content", content: { type: "text", text: "done" } }],
-        rawOutput: { metadata: { exit: 0 } },
+        rawOutput: { structured: { exit: 0 }, result: { code: 0 } },
      })
      expect(updates[7]?.update).toMatchObject({
        kind: "read",
@@ -322,7 +325,7 @@ describe("acp event behavior", () => {
          { type: "content", content: { type: "text", text: "opening" } },
          { type: "content", content: { type: "text", text: "not found" } },
        ],
-        rawOutput: { metadata: { bytes: 0 }, error: "not found" },
+        rawOutput: { structured: { bytes: 0 }, error: "not found" },
      })
      expect(response.stopReason).toBe("end_turn")
    } finally {
@@ -374,7 +377,7 @@ describe("acp event behavior", () => {
        { type: "content", content: { type: "text", text: "done" } },
        { type: "content", content: { type: "image", mimeType: "image/png", data: "AAAA" } },
      ],
-      rawOutput: { metadata: { exit: 0 } },
+      rawOutput: { structured: { exit: 0 }, result: { code: 0 } },
    })
    expect(updates[8]?.update).toMatchObject({
      toolCallId: "call_running",
@@ -434,7 +437,6 @@ describe("acp event behavior", () => {
      sessionID: "ses_cancel",
      cwd: "/workspace",
      start: { type: "input", id: "input_cancel" },
-      writeTextFile: false,
      control,
      submit: async (signal) => {
        await fixture.client.session.prompt(
@@ -477,7 +479,6 @@ describe("acp event behavior", () => {
      sessionID: "ses_cancel_admission",
      cwd: "/workspace",
      start: { type: "input", id: "input_cancel_admission" },
-      writeTextFile: false,
      control,
      submit: (signal) =>
        fixture.client.session.prompt(
@@ -563,7 +564,7 @@ function turn(input: {
    sessionID: input.sessionID,
    cwd: "/workspace",
    start: { type: "input", id: input.inputID },
-    writeTextFile: false,
+    userMessageID: `client_${input.inputID}`,
    control: { cancelled: false, admission: new AbortController() },
    submit: (signal) =>
      input.fixture.client.session.prompt({ sessionID: input.sessionID, id: input.inputID, text: "hello" }, { signal }),
@@ -613,11 +614,12 @@ function replayFixtureMessages(): SessionMessageInfo[] {
          state: {
            status: "completed",
            input: { command: "printf done" },
-            metadata: { exit: 0 },
+            structured: { exit: 0 },
            content: [
              { type: "text", text: "done" },
              { type: "file", uri: "data:image/png;base64,AAAA", mime: "image/png", name: "image.png" },
            ],
+            result: { code: 0 },
          },
        },
        {
@@ -628,7 +630,8 @@ function replayFixtureMessages(): SessionMessageInfo[] {
          state: {
            status: "running",
            input: { command: "pwd" },
-            metadata: {},
+            structured: {},
+            content: [{ type: "text", text: "/workspace" }],
          },
        },
        {
@@ -639,7 +642,7 @@ function replayFixtureMessages(): SessionMessageInfo[] {
          state: {
            status: "error",
            input: { filePath: "/workspace/missing.ts" },
-            metadata: { bytes: 0 },
+            structured: { bytes: 0 },
            content: [{ type: "text", text: "partial" }],
            error: { type: "tool.error", message: "failed hard" },
          },
@@ -672,7 +675,7 @@ function replayToolMessage(id: string) {
        state: {
          status: "completed",
          input: { command: "printf done" },
-          metadata: { exit: 0 },
+          structured: { exit: 0 },
          content: [{ type: "text", text: "done" }],
        },
      },
@@ -85,6 +85,7 @@ test("acp prompt resolves after ordered turn updates", async () => {

  try {
    const id = "msg_prompt"
+    const userMessageID = "client-message"
    const response = await streamTurn({
      client,
      connection: {
@@ -96,7 +97,7 @@ test("acp prompt resolves after ordered turn updates", async () => {
      sessionID: "ses_test",
      cwd: "/workspace",
      start: { type: "input", id },
-      writeTextFile: false,
+      userMessageID,
      control: { cancelled: false, admission: new AbortController() },
      submit: () => client.session.prompt({ sessionID: "ses_test", id, text: "hi" }),
    })
@@ -111,7 +112,7 @@ test("acp prompt resolves after ordered turn updates", async () => {
        },
      },
    ])
-    expect(response).toMatchObject({ stopReason: "end_turn", usage: { totalTokens: 2 } })
+    expect(response).toMatchObject({ stopReason: "end_turn", userMessageId: userMessageID, usage: { totalTokens: 2 } })
  } finally {
    events?.close()
    await server.stop(true)
@@ -14,7 +14,6 @@ describe("acp initialize/auth subprocess", () => {
    expect(initialized.agentCapabilities?.mcpCapabilities?.sse).toBe(false)
    expect(initialized.agentCapabilities?.loadSession).toBe(true)
    expect(initialized.agentCapabilities?.sessionCapabilities?.close).toEqual({})
-    expect(initialized.agentCapabilities?.sessionCapabilities?.delete).toEqual({})
    expect(initialized.agentCapabilities?.sessionCapabilities?.fork).toEqual({})
    expect(initialized.agentCapabilities?.sessionCapabilities?.list).toEqual({})
    expect(initialized.agentCapabilities?.sessionCapabilities?.resume).toEqual({})
@@ -1,6 +1,5 @@
 import type {
  CloseSessionResponse,
-  DeleteSessionResponse,
  ListSessionsResponse,
  LoadSessionResponse,
  ResumeSessionResponse,
@@ -61,20 +60,6 @@ describe("acp lifecycle subprocess", () => {
    expect(listed.sessions.some((item) => item.sessionId === session.sessionId)).toBe(true)
  }, 60_000)

-  test("delete capability and delete request", async () => {
-    await using fixture = await createAcpFixture()
-    const acp = fixture.spawn()
-    const initialized = await initialize(acp)
-    expect(initialized.agentCapabilities?.sessionCapabilities?.delete).toEqual({})
-    const session = await newSession(acp, fixture.home)
-
-    expect(
-      expectOk(await acp.request<DeleteSessionResponse>("session/delete", { sessionId: session.sessionId })),
-    ).toEqual({})
-    const listed = expectOk(await acp.request<ListSessionsResponse>("session/list", { cwd: fixture.home }))
-    expect(listed.sessions.some((item) => item.sessionId === session.sessionId)).toBe(false)
-  }, 60_000)
-
  test("resume capability advertisement", async () => {
    await using fixture = await createAcpFixture()
    const initialized = await initialize(fixture.spawn())
@@ -4,7 +4,6 @@ import fs from "node:fs/promises"
 import os from "node:os"
 import path from "node:path"
 import { streamTurn } from "../../src/acp/event"
-import { syncEditedFiles } from "../../src/acp/permission"
 import { createSseFixture, durableEvent, ephemeralEvent, withTimeout } from "./sse-fixture"

 type SessionUpdateParams = Parameters<AgentSideConnection["sessionUpdate"]>[0]
@@ -13,27 +12,6 @@ type Connection = Pick<AgentSideConnection, "sessionUpdate" | "requestPermission
 type Fixture = ReturnType<typeof createSseFixture>

 describe("acp permission behavior", () => {
-  test("does not sync edits when writeTextFile was not advertised", async () => {
-    const writes: Parameters<AgentSideConnection["writeTextFile"]>[0][] = []
-
-    await syncEditedFiles({
-      connection: {
-        writeTextFile: async (input) => {
-          writes.push(input)
-          return {}
-        },
-      },
-      writeTextFile: false,
-      sessionID: "ses_no_write",
-      cwd: "/workspace",
-      toolName: "edit",
-      toolInput: { filePath: "/workspace/file.ts" },
-      metadata: {},
-    })
-
-    expect(writes).toEqual([])
-  })
-
  test("forwards allow-once and allow-always selections to the generated client", async () => {
    const permissionRequests: RequestPermissionRequest[] = []
    const fixture = createSseFixture({
@@ -193,7 +171,7 @@ describe("acp permission behavior", () => {
            sessionID: "ses_edit",
            assistantMessageID: "msg_edit",
            callID: "call_edit",
-            metadata: { files: [{ file: "file.ts" }], replacements: 1 },
+            structured: { files: [{ file: "file.ts" }], replacements: 1 },
            content: [{ type: "text", text: "edited" }],
            executed: true,
          }),
@@ -286,7 +264,7 @@ describe("acp permission behavior", () => {
            sessionID: "ses_patch",
            assistantMessageID: "msg_patch",
            callID: "call_patch",
-            metadata: { files: [{ file: "first.ts" }, { file: "second.ts" }] },
+            structured: { files: [{ file: "first.ts" }, { file: "second.ts" }] },
            content: [{ type: "text", text: "patched" }],
            executed: true,
          }),
@@ -487,7 +465,6 @@ function startTurn(fixture: Fixture, connection: Connection, sessionID: string,
    sessionID,
    cwd,
    start: { type: "input", id: inputID },
-    writeTextFile: true,
    control: { cancelled: false, admission: new AbortController() },
    submit: (signal) => fixture.client.session.prompt({ sessionID, id: inputID, text: "hello" }, { signal }),
  })
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import type { McpServer, SessionConfigOption } from "@agentclientprotocol/sdk"
-import { makeACPFixture, makeSession, secondModel } from "./service-fixture"
+import { makeACPFixture, makeSession, secondModel, testModel } from "./service-fixture"

 describe("acp service directory behavior", () => {
  test("creates sessions from a catalog shared by concurrent callers in the same cwd", async () => {
@@ -134,6 +134,7 @@ describe("acp service directory behavior", () => {
      configId: "mode",
      value: "plan",
    })
+    await fixture.service.setSessionModel({ sessionId: session.sessionId, modelId: "test/test-model/high" })
    await fixture.service.setSessionMode({ sessionId: session.sessionId, modeId: "build" })

    expect(currentValue(selectedModel, "model")).toBe("test/second-model")
@@ -147,6 +148,7 @@ describe("acp service directory behavior", () => {
    ).toEqual([
      { model: { providerID: "test", id: secondModel.id } },
      { model: { providerID: "test", id: secondModel.id, variant: "medium" } },
+      { model: { providerID: "test", id: testModel.id, variant: "high" } },
    ])
    expect(
      fixture.requests
@@ -225,33 +225,6 @@ describe("acp service lifecycle", () => {
      "/api/session/missing/interrupt",
    ])
  })
-
-  test("deletes sessions from backing and local storage", async () => {
-    await using fixture = makeACPFixture({
-      fetch(request) {
-        if (request.method === "POST" && request.path === "/api/session") {
-          return Response.json({ data: makeSession("ses_delete") })
-        }
-        if (request.method === "DELETE" && request.path === "/api/session/ses_delete") {
-          return new Response(null, { status: 204 })
-        }
-        return undefined
-      },
-    })
-    const session = await fixture.service.newSession({ cwd: "/workspace", mcpServers: [] })
-
-    expect(await fixture.service.deleteSession({ sessionId: session.sessionId })).toEqual({})
-    expect(fixture.requests).toContainEqual({
-      method: "DELETE",
-      path: "/api/session/ses_delete",
-      query: {},
-      body: undefined,
-    })
-    const missing = await fixture.service
-      .setSessionConfigOption({ sessionId: session.sessionId, configId: "effort", value: "high" })
-      .catch((error: unknown) => error)
-    expect(missing).toMatchObject({ _tag: "ACPSessionNotFoundError", sessionId: session.sessionId })
-  })
 })

 function currentValue(result: { readonly configOptions?: readonly SessionConfigOption[] | null }, id: string) {
@@ -45,14 +45,17 @@ describe("acp service prompt routing and usage", () => {

    const commandResult = await fixture.service.prompt({
      sessionId: session.sessionId,
+      messageId: "client-command",
      prompt: [{ type: "text", text: "/review now" }],
    })
    const skillResult = await fixture.service.prompt({
      sessionId: session.sessionId,
+      messageId: "client-skill",
      prompt: [{ type: "text", text: "/verify" }],
    })
    const compactResult = await fixture.service.prompt({
      sessionId: session.sessionId,
+      messageId: "client-compact",
      prompt: [{ type: "text", text: "/compact" }],
    })

@@ -151,11 +154,13 @@ describe("acp service prompt routing and usage", () => {

    const response = await fixture.service.prompt({
      sessionId: session.sessionId,
+      messageId: "client-message",
      prompt: [{ type: "text", text: "hello" }],
    })

    expect(response).toEqual({
      stopReason: "end_turn",
+      userMessageId: "client-message",
      usage: {
        inputTokens: 100,
        outputTokens: 40,
@@ -63,7 +63,7 @@ describe("acp tools", () => {
          { type: "file", mime: "image/png", name: "image.png", uri: `data:image/png;base64,${image}` },
          { type: "file", mime: "text/plain", name: "note.txt", uri: "data:text/plain;base64,bm90ZQ==" },
        ],
-        metadata: {},
+        structured: {},
      }).content,
    ).toEqual([
      {
@@ -93,7 +93,7 @@ describe("acp tools", () => {
          content: "created",
        },
        content: [{ type: "text", text: "wrote /tmp/file.ts" }],
-        metadata: {},
+        structured: {},
      }).content,
    ).toEqual([
      {
@@ -103,22 +103,20 @@ describe("acp tools", () => {
    ])
  })

-  test("unwraps read's JSON page envelope instead of showing model-facing formatting", () => {
+  test("uses clean structured read content instead of model-facing formatting", () => {
    expect(
      completedToolUpdate({
        toolCallId: "tool-read",
        toolName: "read",
        input: { path: "/tmp/file.ts" },
-        content: [
-          {
-            type: "text",
-            text: JSON.stringify(
-              { type: "text-page", content: "first\nsecond", mime: "text/plain", offset: 1, truncated: false },
-              null,
-              2,
-            ),
-          },
-        ],
+        content: [{ type: "text", text: "<content>1: first\n2: second</content>" }],
+        structured: {
+          type: "text-page",
+          content: "first\nsecond",
+          mime: "text/plain",
+          offset: 1,
+          truncated: false,
+        },
      }).content,
    ).toEqual([{ type: "content", content: { type: "text", text: "first\nsecond" } }])

@@ -127,17 +125,13 @@ describe("acp tools", () => {
        toolCallId: "tool-list",
        toolName: "read",
        input: { path: "/tmp" },
-        content: [
-          {
-            type: "text",
-            text: JSON.stringify({
-              entries: [
-                { path: "a.ts", type: "file" },
-                { path: "src", type: "directory" },
-              ],
-            }),
-          },
-        ],
+        content: [],
+        structured: {
+          entries: [
+            { path: "a.ts", type: "file" },
+            { path: "src", type: "directory" },
+          ],
+        },
      }).content,
    ).toEqual([{ type: "content", content: { type: "text", text: "a.ts\nsrc" } }])
  })
@@ -177,7 +171,7 @@ describe("acp tools", () => {
          newString: "after",
        },
        content: [{ type: "text", text: "Edit applied successfully." }],
-        metadata: { output: "Edit applied successfully." },
+        structured: { output: "Edit applied successfully." },
      }),
    ).toEqual({
      toolCallId: "tool-1",
@@ -195,7 +189,7 @@ describe("acp tools", () => {
        },
      ],
      rawOutput: {
-        metadata: { output: "Edit applied successfully." },
+        structured: { output: "Edit applied successfully." },
      },
    })
  })
@@ -215,7 +209,7 @@ describe("acp tools", () => {
    })
  })

-  test("builds completed raw output with optional metadata", () => {
+  test("builds completed raw output with structured data and optional result", () => {
    const attachments = [
      {
        type: "file",
@@ -231,10 +225,12 @@ describe("acp tools", () => {
        toolName: "read",
        input: {},
        content: [],
-        metadata: { output: "done", metadata: { exit: 0 }, attachments },
+        structured: { output: "done", metadata: { exit: 0 }, attachments },
+        result: "done",
      }).rawOutput,
    ).toEqual({
-      metadata: { output: "done", metadata: { exit: 0 }, attachments },
+      structured: { output: "done", metadata: { exit: 0 }, attachments },
+      result: "done",
    })

    expect(
@@ -243,8 +239,9 @@ describe("acp tools", () => {
        toolName: "read",
        input: {},
        content: [],
+        structured: { output: "done" },
      }).rawOutput,
-    ).toEqual({})
+    ).toEqual({ structured: { output: "done" } })
  })

  test("extracts image attachments only from data URLs", () => {
@@ -258,7 +255,7 @@ describe("acp tools", () => {
          { type: "file", mime: "image/png", uri: "https://example.com/image.png" },
          { type: "file", mime: "text/plain", uri: "data:text/plain;base64,BBBB" },
        ],
-        metadata: {},
+        structured: {},
      }).content,
    ).toEqual([
      {
@@ -275,7 +272,7 @@ describe("acp tools", () => {
        toolName: "read",
        input: { filePath: "/tmp/a" },
        content: [{ type: "text", text: "partial output" }],
-        metadata: { path: "/tmp/a" },
+        structured: { path: "/tmp/a" },
        error: "failed",
      }),
    ).toEqual({
@@ -289,7 +286,7 @@ describe("acp tools", () => {
        { type: "content", content: { type: "text", text: "partial output" } },
        { type: "content", content: { type: "text", text: "failed" } },
      ],
-      rawOutput: { metadata: { path: "/tmp/a" }, error: "failed" },
+      rawOutput: { structured: { path: "/tmp/a" }, error: "failed" },
    })
  })
 })
@@ -131,16 +131,11 @@ test("updates a config draft while preserving JSONC comments", async () => {
        const service = yield* Config.Service
        return yield* service.update((draft) => {
          draft.prompt = { paste: "compact" }
-          draft.mini = { thinking: "hide", shell_output: "hide", turn_summary: "hide", splash: "hide", mono: true }
        })
      }),
    )

-    expect(config).toEqual({
-      animations: true,
-      prompt: { paste: "compact" },
-      mini: { thinking: "hide", shell_output: "hide", turn_summary: "hide", splash: "hide", mono: true },
-    })
+    expect(config).toEqual({ animations: true, prompt: { paste: "compact" } })
    expect(await Bun.file(path.join(directory, "cli.json")).text()).toContain("// Keep this comment")
  } finally {
    await Bun.$`rm -rf ${directory}`
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Dax Raad	dcc924386d	refactor(core): decouple session version	2026-07-21 14:07:25 -04:00
Dax Raad	689e17738c	Merge remote-tracking branch 'origin/v2' into client-service # Conflicts: # packages/core/src/session/generate-node.ts # packages/core/src/session/title.ts # packages/util/src/observability.ts	2026-07-21 13:10:07 -04:00
Dax Raad	e2f203a56e	refactor: centralize client identity	2026-07-21 12:58:16 -04:00