docs: remove skill slash frontmatter from v2 docs (#52752)

Co-authored-by: Brendonovich <14191578+Brendonovich@users.noreply.github.com>

SECURITY.md

@@ -20,10 +20,7 @@ If you need true isolation, run OpenCode inside a Docker container or VM.
 
 ### Server Mode
 
-OpenCode clients normally discover or start a local background HTTP service. The CLI binds to loopback by default and
-supplies a generated HTTP Basic Auth password when one is not configured; its server process refuses to start without a
-password. If you expose the service beyond your machine, use appropriate network access controls as well as authentication.
-An application embedding the fetch handler without a password must provide its own access control.
+Server mode is opt-in only. When enabled, set `OPENCODE_SERVER_PASSWORD` to require HTTP Basic Auth. Without this, the server runs unauthenticated (with a warning). It is the end user's responsibility to secure the server - any functionality it provides is not a vulnerability.
 
 ### Out of Scope
 

bun.lock

@@ -33,7 +33,7 @@
     },
     "packages/ai": {
       "name": "@opencode/ai",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@aws-sdk/credential-providers": "3.1057.0",
         "@opencode/schema": "workspace:*",
@@ -55,7 +55,7 @@
     },
     "packages/app": {
       "name": "@opencode/app",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@corvu/drawer": "catalog:",
         "@dnd-kit/abstract": "0.5.0",
@@ -112,7 +112,7 @@
     },
     "packages/cli": {
       "name": "@opencode/cli",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "bin": {
         "opencode": "./bin/opencode.cjs",
         "opencode2": "./bin/opencode2.cjs",
@@ -133,6 +133,7 @@
         "@opentui/solid": "catalog:",
         "@parcel/watcher": "2.5.1",
         "@silvia-odwyer/photon-node": "0.3.4",
+        "diff": "catalog:",
         "effect": "catalog:",
         "immer": "11.1.4",
         "jsonc-parser": "3.3.1",
@@ -178,7 +179,7 @@
     },
     "packages/client": {
       "name": "@opencode/client",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@opencode/protocol": "workspace:*",
         "@opencode/schema": "workspace:*",
@@ -204,7 +205,7 @@
     },
     "packages/codemode": {
       "name": "@opencode/codemode",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "acorn": "8.15.0",
         "effect": "catalog:",
@@ -217,7 +218,7 @@
     },
     "packages/console/app": {
       "name": "@opencode/console-app",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@cloudflare/vite-plugin": "1.15.2",
         "@ibm/plex": "6.4.1",
@@ -253,7 +254,7 @@
     },
     "packages/console/core": {
       "name": "@opencode/console-core",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@aws-sdk/client-sts": "3.782.0",
         "@jsx-email/render": "1.1.1",
@@ -280,7 +281,7 @@
     },
     "packages/console/function": {
       "name": "@opencode/console-function",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@openauthjs/openauth": "0.0.0-20250322224806",
         "@opencode/console-core": "workspace:*",
@@ -297,7 +298,7 @@
     },
     "packages/console/mail": {
       "name": "@opencode/console-mail",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@jsx-email/all": "2.2.3",
         "@jsx-email/cli": "1.4.3",
@@ -321,7 +322,7 @@
     },
     "packages/console/support": {
       "name": "@opencode/console-support",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@cloudflare/vite-plugin": "1.15.2",
         "@opencode/console-core": "workspace:*",
@@ -341,7 +342,7 @@
     },
     "packages/core": {
       "name": "@opencode/core",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@ai-sdk/cohere": "3.0.27",
         "@ai-sdk/gateway": "3.0.104",
@@ -410,7 +411,7 @@
     },
     "packages/desktop": {
       "name": "@opencode/desktop",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@zip.js/zip.js": "2.7.62",
         "electron-context-menu": "5.0.0",
@@ -455,7 +456,7 @@
     },
     "packages/enterprise": {
       "name": "@opencode/enterprise",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@hono/standard-validator": "catalog:",
         "@opencode-ai/sdk": "1.18.21",
@@ -492,7 +493,7 @@
     },
     "packages/function": {
       "name": "@opencode/function",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@octokit/auth-app": "8.0.1",
         "@octokit/rest": "catalog:",
@@ -508,7 +509,7 @@
     },
     "packages/gui-extensions": {
       "name": "@opencode/gui-extensions",
-      "version": "2.0.20",
+      "version": "2.0.22",
       "dependencies": {
         "@dnd-kit/abstract": "0.5.0",
         "@dnd-kit/dom": "0.5.0",
@@ -553,7 +554,7 @@
     },
     "packages/http-recorder": {
       "name": "@opencode/http-recorder",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@effect/platform-node-shared": "4.0.0-rc.112",
       },
@@ -572,7 +573,7 @@
     },
     "packages/httpapi-codegen": {
       "name": "@opencode/httpapi-codegen",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "effect": "catalog:",
         "prettier": "3.6.2",
@@ -585,7 +586,7 @@
     },
     "packages/latex": {
       "name": "@opencode/latex",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@opencode/plugin": "workspace:*",
         "@opentui/core": "catalog:",
@@ -599,7 +600,7 @@
     },
     "packages/merman": {
       "name": "@opencode/merman",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@opencode/plugin": "workspace:*",
         "@opentui/core": "catalog:",
@@ -614,7 +615,7 @@
     },
     "packages/plugin": {
       "name": "@opencode/plugin",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@ai-sdk/provider": "3.0.8",
         "@opencode/ai": "workspace:*",
@@ -653,7 +654,7 @@
     },
     "packages/plugin-browser": {
       "name": "@opencode/plugin-browser",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@opencode/plugin": "workspace:*",
         "@opencode/schema": "workspace:*",
@@ -683,7 +684,7 @@
     },
     "packages/protocol": {
       "name": "@opencode/protocol",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@opencode/schema": "workspace:*",
         "effect": "catalog:",
@@ -698,7 +699,7 @@
     },
     "packages/schema": {
       "name": "@opencode/schema",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@standard-schema/spec": "catalog:",
         "effect": "catalog:",
@@ -722,7 +723,7 @@
     },
     "packages/sdk": {
       "name": "@opencode/sdk",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@opencode/client": "workspace:*",
         "@opencode/core": "workspace:*",
@@ -743,7 +744,7 @@
     },
     "packages/server": {
       "name": "@opencode/server",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@effect/platform-node": "catalog:",
         "@effect/platform-node-shared": "catalog:",
@@ -765,7 +766,7 @@
     },
     "packages/session-ui": {
       "name": "@opencode/session-ui",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@kobalte/core": "catalog:",
         "@opencode/client": "workspace:*",
@@ -800,7 +801,7 @@
     },
     "packages/simulation": {
       "name": "@opencode/simulation",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@opencode/ai": "workspace:*",
         "@opencode/core": "workspace:*",
@@ -820,7 +821,7 @@
     },
     "packages/stats/app": {
       "name": "@opencode/stats-app",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@ibm/plex": "6.4.1",
         "@kobalte/core": "catalog:",
@@ -854,7 +855,7 @@
     },
     "packages/stats/core": {
       "name": "@opencode/stats-core",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@aws-sdk/client-athena": "3.933.0",
         "@planetscale/database": "1.19.0",
@@ -873,7 +874,7 @@
     },
     "packages/stats/server": {
       "name": "@opencode/stats-server",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@aws-sdk/client-firehose": "3.933.0",
         "@effect/platform-node": "catalog:",
@@ -919,7 +920,7 @@
     },
     "packages/theme": {
       "name": "@opencode/theme",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@opentui/core": "catalog:",
         "effect": "catalog:",
@@ -933,7 +934,7 @@
     },
     "packages/tui": {
       "name": "@opencode/tui",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@opencode/client": "workspace:*",
         "@opencode/core": "workspace:*",
@@ -967,7 +968,7 @@
     },
     "packages/ui": {
       "name": "@opencode/ui",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@kobalte/core": "catalog:",
         "@pierre/diffs": "catalog:",
@@ -1002,7 +1003,7 @@
     },
     "packages/util": {
       "name": "@opencode/util",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@effect/opentelemetry": "catalog:",
         "@effect/platform-node": "catalog:",
@@ -1040,7 +1041,7 @@
     },
     "packages/web": {
       "name": "@opencode/web",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "@astrojs/cloudflare": "12.6.3",
         "@astrojs/markdown-remark": "6.3.1",
@@ -1081,7 +1082,7 @@
     },
     "services/update": {
       "name": "@opencode/update",
-      "version": "2.0.21",
+      "version": "2.0.22",
       "dependencies": {
         "jose": "6.0.11",
         "semver": "catalog:",

nix/desktop.nix

@@ -13,7 +13,12 @@
   opencode,
 }:
 let
-  electron = callPackage ./electron.nix { };
+  electronPin =
+    (lib.pipe ../packages/desktop/package.json [
+      builtins.readFile
+      builtins.fromJSON
+    ]).devDependencies.electron;
+  electron = callPackage ./electron.nix { inherit electronPin; };
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "opencode-desktop";
@@ -66,7 +71,7 @@ stdenv.mkDerivation (finalAttrs: {
     ''
     # https://github.com/electron/electron/issues/31121
     # mac builds use a .app bundle which doesnt have this issue
-    + lib.optionalString stdenv.isLinux ''
+    + lib.optionalString stdenv.hostPlatform.isLinux ''
       substituteInPlace \
         packages/desktop/src/main/windows/appearance.ts \
         packages/desktop/src/main/service/desktop-cli.ts \
@@ -74,6 +79,7 @@ stdenv.mkDerivation (finalAttrs: {
     '';
 
   preBuild = ''
+    echo "electron ${electron.version} from nixpkgs ${lib.version}, package.json pins ${electronPin}"
     cp -r "${electron.dist}" $HOME/.electron-dist
     chmod -R u+w $HOME/.electron-dist
 
@@ -89,8 +95,15 @@ stdenv.mkDerivation (finalAttrs: {
 
     export OPENCODE_CLI_DIST="$TMPDIR/desktop-cli"
     cli_package=$(bun -e 'import { getCurrentCli } from "./scripts/utils.ts"; console.log(getCurrentCli().package.replace("@opencode/", ""))')
+    # copyBuiltCliToResources joins this dist with the npm package name getCurrentCli()
+    # reports, not the Nix build's name. It reads only .version from the manifest and
+    # writes it as opencode-cli.version beside the binary.
     mkdir -p "$OPENCODE_CLI_DIST/$cli_package/bin"
     cp ${lib.getExe opencode} "$OPENCODE_CLI_DIST/$cli_package/bin/opencode"
+    # OPENCODE_VERSION is what the bundled CLI prints for --version, so the manifest
+    # and the executable cannot drift.
+    bun -e 'await Bun.write(process.argv[1], JSON.stringify({ version: process.env.OPENCODE_VERSION }) + "\n")' \
+      "$OPENCODE_CLI_DIST/$cli_package/package.json"
 
     bun run build
     npx electron-builder --dir \
@@ -138,6 +151,13 @@ stdenv.mkDerivation (finalAttrs: {
     "libc.musl-x86_64.so.1"
   ];
 
+  passthru = {
+    # electronVersion is what ships; electronPin is what packages/desktop/package.json
+    # asks for. They differ whenever nixpkgs carries no release of the pinned minor.
+    electronVersion = electron.version;
+    inherit electronPin;
+  };
+
   meta = {
     description = "OpenCode Desktop App";
     mainProgram = "opencode-desktop";

nix/electron.nix

@@ -1,12 +1,10 @@
-{ callPackage, path }:
+{ lib, pkgs, electronPin }:
 let
-  version = (builtins.fromJSON (builtins.readFile ../packages/desktop/package.json)).devDependencies.electron;
+  # Nixpkgs owns the release hashes, so bumping the pin no longer means editing this repo. Only the
+  # major is delegated, so what gets built trails the pin whenever nixpkgs has not shipped it yet.
+  # That is safe: the bundle ships one native addon, node-pty's Node-API prebuild, and
+  # only the win32 WSL runtime loads it, so nothing in the main process binds the
+  # Electron ABI.
+  major = lib.versions.major electronPin;
 in
-(callPackage (path + "/pkgs/development/tools/electron/binary/generic.nix") { }) version {
-  # Electron 42.10.1 SHASUMS256.txt; update with the desktop package version.
-  aarch64-linux = "20e68d6c4e47f3ebf59de7c6b1f8b8bec6a6ebda6a451132f9b465f3f13ce467";
-  x86_64-linux = "2452b27112d92387471fa2488aafac85d79ea3f2ee1216c0abd5150d6c12362b";
-  aarch64-darwin = "ac7194a3dfd81930ba35355c01620262c1254752859b42dcb8f4b9e4d174a871";
-  # fetchzip hashes the unpacked headers, not the release tarball.
-  headers = "sha256-4eUy3BZVvxTl7KUOsxio7769lL6ag/ecbeK+qLURWMI=";
-}
+pkgs."electron_${major}-bin" or (throw "nixpkgs ${lib.version} carries no prebuilt electron ${major}: run `nix flake update nixpkgs`, or pin a major nixpkgs still carries")

nix/hashes.json

@@ -1,7 +1,7 @@
 {
   "nodeModules": {
-    "x86_64-linux": "sha256-g3k0cAFGqzmRYlcIkg1NDvlx1WxHYhnYPL0/a8E+qTg=",
-    "aarch64-linux": "sha256-a+3ymqdxOONGe2Tpq4GUccl1b+Dwzxlb9LFXgE1gZ+0=",
-    "aarch64-darwin": "sha256-h8xIzuMmaWfJqjHCO74xUDCWNKQLFrIGoKYZ+2TauYc="
+    "x86_64-linux": "sha256-EEBz2IQ14YPShAzY13zpZ7btq/EuSw86pZ6nrizc9BI=",
+    "aarch64-linux": "sha256-X7om4U4OlKL4OddEMcyKL+1DCQXc9/f1xzzopE16Zmk=",
+    "aarch64-darwin": "sha256-3bejEuX3AGv4SR/16O8KjNSO2t9WDaWCHRbBXsJ6z8A="
   }
 }

nix/opencode.nix

@@ -12,7 +12,7 @@
   installShellFiles,
   versionCheckHook,
   writableTmpDirAsHomeHook,
-  node_modules ? callPackage ./node-modules.nix { },
+  node_modules ? callPackage ./node_modules.nix { },
 }:
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "opencode";
@@ -85,14 +85,30 @@ stdenvNoCC.mkDerivation (finalAttrs: {
   '';
 
   postInstall = lib.optionalString (stdenvNoCC.buildPlatform.canExecute stdenvNoCC.hostPlatform) ''
-    # trick yargs into also generating zsh completions
+    # v2 dropped the `completion` subcommand; --completions is the global flag.
+    # --completions also accepts sh, which emits the same script as bash.
+    # staged to files, substitute below rejects anything that is not a regular file
+    $out/bin/opencode --completions bash > opencode.bash
+    $out/bin/opencode --completions zsh > _opencode
+    $out/bin/opencode --completions fish > opencode.fish
+
     installShellCompletion --cmd opencode \
-      --bash <($out/bin/opencode completion) \
-      --zsh <(SHELL=/bin/zsh $out/bin/opencode completion)
+      --bash opencode.bash \
+      --fish opencode.fish \
+      --zsh _opencode
+
+    # OPENCODE_CLI_NAME is a build-time define, so the opencode2 copies are
+    # renamed rather than regenerated. --replace-fail is a global literal
+    # substitution, so any lowercase opencode that later appears in a
+    # description or help text ships as opencode2 in the opencode2 copy.
+    substitute opencode.bash opencode2.bash --replace-fail opencode opencode2
+    substitute _opencode _opencode2 --replace-fail opencode opencode2
+    substitute opencode.fish opencode2.fish --replace-fail opencode opencode2
 
     installShellCompletion --cmd opencode2 \
-      --bash <($out/bin/opencode2 completion) \
-      --zsh <(SHELL=/bin/zsh $out/bin/opencode2 completion)
+      --bash opencode2.bash \
+      --fish opencode2.fish \
+      --zsh _opencode2
   '';
 
   nativeInstallCheckInputs = [

package.json

@@ -2,7 +2,7 @@
   "$schema": "https://json.schemastore.org/package.json",
   "name": "opencode",
   "description": "AI-powered development tool",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "private": true,
   "type": "module",
   "packageManager": "bun@1.4.2",

packages/ai/package.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "name": "@opencode/ai",
   "type": "module",
   "license": "MIT",

packages/ai/src/cache-policy.ts

@@ -38,6 +38,7 @@ const resolve = (policy: CachePolicy | undefined): CachePolicyObject => {
 // prefix caching, Gemini's implicit + out-of-band CachedContent). Skip the
 // whole policy pass for these — emitting hints would be harmless but pointless.
 const RESPECTS_INLINE_HINTS = new Set([
+  "alibaba-chat",
   "alibaba-messages",
   "anthropic-messages",
   "anthropic-compatible-messages",
@@ -55,11 +56,12 @@ const RESPECTS_INLINE_HINTS = new Set([
 // OpenRouter upstreams other than Anthropic and Alibaba Qwen cache without breakpoints. Gemini uses only the last
 // breakpoint, so a conversation-tail breakpoint writes a new cache every step and costs more than none. Qwen ignores
 // breakpoints on tool definitions and caches tools with the system prompt.
+const QWEN: CachePolicyObject = { system: true, messages: { tail: 1 } }
 const openRouterPolicy = (modelID: string): CachePolicyObject => {
   // `~anthropic/claude-sonnet-latest` style IDs are OpenRouter aliases for the latest model in a family.
   const id = modelID.replace(/^~/, "")
   if (id.startsWith("anthropic/")) return AUTO
-  if (id.startsWith("qwen/")) return { system: true, messages: { tail: 1 } }
+  if (id.startsWith("qwen/")) return QWEN
   return NONE
 }
 
@@ -171,7 +173,11 @@ export const applyCachePolicy = (request: LLMRequest): LLMRequest => {
   const policy =
     request.model.route.id === "openrouter" && (request.cache === undefined || request.cache === "auto")
       ? openRouterPolicy(request.model.id)
-      : resolve(request.cache)
+      : request.model.route.id === "alibaba-chat" && (request.cache === undefined || request.cache === "auto")
+        ? request.model.id.toLowerCase().startsWith("qwen")
+          ? QWEN
+          : NONE
+        : resolve(request.cache)
   if (!policy.tools && !policy.system && !policy.messages) return request
 
   const hint = makeHint(policy.ttlSeconds)

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

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

packages/ai/src/route/executor.ts

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

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

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

packages/ai/src/schema/options.ts

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

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

@@ -145,6 +145,59 @@ describe("applyCachePolicy", () => {
     }),
   )
 
+  it.effect("Alibaba chat caches the system and conversation tail without marking tools", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model: Alibaba.configure({ region: "ap-southeast-1", apiKey: "test" }).chat("qwen3.8-max"),
+          system: "You are concise.",
+          tools: [{ name: "lookup", description: "Look up a value", inputSchema: { type: "object", properties: {} } }],
+          prompt: "hi",
+        }),
+      )
+
+      expect(prepared.body).toMatchObject({
+        tools: [{ type: "function", function: { name: "lookup" } }],
+        messages: [
+          {
+            role: "system",
+            content: [{ text: "You are concise.", cache_control: { type: "ephemeral" } }],
+          },
+          { role: "user", content: [{ text: "hi", cache_control: { type: "ephemeral" } }] },
+        ],
+      })
+      expect(prepared.body.tools?.[0]?.cache_control).toBeUndefined()
+    }),
+  )
+
+  it.effect("Alibaba chat omits automatic cache markers when cache is none", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model: Alibaba.configure({ region: "ap-southeast-1", apiKey: "test" }).chat("qwen3.8-max"),
+          system: "You are concise.",
+          prompt: "hi",
+          cache: "none",
+        }),
+      )
+
+      expect(JSON.stringify(prepared.body)).not.toContain("cache_control")
+    }),
+  )
+
+  it.effect("Alibaba chat does not assume non-Qwen models support cache markers", () =>
+    Effect.gen(function* () {
+      const alibaba = Alibaba.configure({ region: "ap-southeast-1", apiKey: "test" })
+      for (const modelID of ["kimi-k3", "glm-5.2", "deepseek-v4-flash-0731", "MiniMax-M2.5"]) {
+        const prepared = yield* compileRequest(
+          LLM.request({ model: alibaba.chat(modelID), system: "You are concise.", prompt: "hi" }),
+        )
+
+        expect(JSON.stringify(prepared.body)).not.toContain("cache_control")
+      }
+    }),
+  )
+
   it.effect("'auto' emits Anthropic cache markers on Anthropic-compatible routes", () =>
     Effect.gen(function* () {
       const prepared = yield* compileRequest(

packages/ai/test/executor.test.ts

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

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

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

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

@@ -10,7 +10,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-7-plus-streams-thinking-enabled",
-    "recordedAt": "2026-09-08T03:10:54.099Z"
+    "recordedAt": "2026-10-02T01:23:43.998Z"
   },
   "interactions": [
     {
@@ -21,14 +21,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.7-plus\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"max_completion_tokens\":4096,\"enable_thinking\":true,\"thinking_budget\":1024}"
+        "body": "{\"model\":\"qwen3.7-plus\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"max_completion_tokens\":4096,\"enable_thinking\":true,\"thinking_budget\":1024}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
-        "body": "data: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"Thinking\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" Process:\\n\\n1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".  **Ident\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"ify the core question\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\":** The user wants\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" to know the product\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" of \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"173 and\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 219\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".\\n2.\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"  **Identify\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" the constraint:** The\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" response must contain *\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"only\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-ec928416-c99b-9f46-9805-cbb37bd7c499\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"* the final integer\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837042,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"cLine truncated
+        "body": "data: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"Thinking\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" Process:\\n\\n1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".  Identify\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" the core\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" question: Calculate \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"173 *\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 219\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".\\n2.\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"  Constraint: Reply\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" with *\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"only* the final\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" integer.\\n3\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".  Perform the\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" multiplication:\\n\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fe-9ee8-a442-7a3881697fdf\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"    *   \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904218,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.7-plus\",\"id\":\"chatcmpl-70ed9ebc-62fLine truncated
       }
     }
   ]

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

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

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

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

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

@@ -12,7 +12,7 @@
       "continuation"
     ],
     "name": "alibaba-chat/qwen-3-8-max-replays-reasoning-through-a-tool-loop-and-follow-up",
-    "recordedAt": "2026-09-08T03:09:54.566Z"
+    "recordedAt": "2026-10-02T01:23:36.578Z"
   },
   "interactions": [
     {
@@ -23,14 +23,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"We have a budget of 38000 dollars for 219 trips costing 173 dollars each. Calculate whether that is affordable. If it is, use get_weather to look up the current weather in Paris. After receiving the result, report the weather in one short sentence.\"}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get the current weather in a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false}}}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"medium\",\"tool_stream\":true,\"max_completion_tokens\":4096,\"preserve_thinking\":true}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"We have a budget of 38000 dollars for 219 trips costing 173 dollars each. Calculate whether that is affordable. If it is, use get_weather to look up the current weather in Paris. After receiving the result, report the weather in one short sentence.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get the current weather in a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false}}}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"medium\",\"tool_stream\":true,\"max_completion_tokens\":4096,\"preserve_thinking\":true}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
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+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-ba39bdbc-1408-9be9-bc93-fea920370869\",\"created\":1790904215,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-ba39bdbc-1408-9be9-bc93-fea920370869\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"The\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904215,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-ba39bdbc-1408-9be9-bc93-fea920370869\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" tool reported\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904215,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-ba39bdbc-1408-9be9-bc93-fea920370869\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" 18°C\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904215,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-ba39bdbc-1408-9be9-bc93-fea920370869\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\".\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904215,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-ba39bdbc-1408-9be9-bc93-fea920370869\",\"choices\":[{\"delta\":{\"content\":\"18°C\",\"reasoning_content\":\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904215,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-ba39bdbc-1408-9be9-bc93-fea920370869\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1790904215,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1790904215,\"id\":\"chatcmpl-ba39bdbc-1408-9be9-bc93-fea920370869\",\"model\":\"qwen3.8-max\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":14,\"completion_tokens_details\":{\"reasoning_tokens\":8,\"text_tokens\":14},\"prompt_tokens\":587,\"prompt_tokens_details\":{\"cache_creation\":{\"ephemeral_5m_input_tokens\":0},\"cache_creation_input_tokens\":0,\"cache_type\":\"ephemeral\",\"cache_write_tokens\":0,\"cached_tokens\":0,\"text_tokens\":587},\"total_tokens\":601}}\n\ndata: [DONE]\n\n"
       }
     }
   ]

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

@@ -9,7 +9,7 @@
       "structured-output"
     ],
     "name": "alibaba-chat/qwen-3-8-max-returns-a-json-object",
-    "recordedAt": "2026-09-08T03:11:29.462Z"
+    "recordedAt": "2026-10-02T01:23:47.415Z"
   },
   "interactions": [
     {
@@ -20,14 +20,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"Return a JSON object with one key \\\"city\\\" set to the capital city of France.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"none\",\"max_completion_tokens\":1024,\"response_format\":{\"type\":\"json_object\"}}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Return a JSON object with one key \\\"city\\\" set to the capital city of France.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"none\",\"max_completion_tokens\":1024,\"response_format\":{\"type\":\"json_object\"}}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
-        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"created\":1788837088,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"choices\":[{\"delta\":{\"content\":\"{\\\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837088,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"choices\":[{\"delta\":{\"content\":\"city\\\":\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837088,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"choices\":[{\"delta\":{\"content\":\" \\\"Paris\\\"}\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788837088,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"choices\":[{\"delta\":{\"content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1788837088,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1788837088,\"id\":\"chatcmpl-de34af77-7b1e-9999-a48f-e564c03d4b6b\",\"model\":\"qwen3.8-max\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":6,\"prompt_tokens\":32,\"prompt_tokens_details\":{\"cached_tokens\":0,\"text_tokens\":32},\"total_tokens\":38}}\n\ndata: [DONE]\n\n"
+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-8a907cb0-1885-92de-bde7-b81cdc64a55b\",\"created\":1790904226,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-8a907cb0-1885-92de-bde7-b81cdc64a55b\",\"choices\":[{\"delta\":{\"content\":\"{\\\"\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904226,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-8a907cb0-1885-92de-bde7-b81cdc64a55b\",\"choices\":[{\"delta\":{\"content\":\"city\\\":\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904226,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-8a907cb0-1885-92de-bde7-b81cdc64a55b\",\"choices\":[{\"delta\":{\"content\":\" \\\"Paris\\\"}\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904226,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-8a907cb0-1885-92de-bde7-b81cdc64a55b\",\"choices\":[{\"delta\":{\"content\":\"\"},\"index\":0,\"finish_reason\":\"stop\",\"logprobs\":null}],\"created\":1790904226,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1790904226,\"id\":\"chatcmpl-8a907cb0-1885-92de-bde7-b81cdc64a55b\",\"model\":\"qwen3.8-max\",\"object\":\"chat.completion.chunk\",\"usage\":{\"completion_tokens\":6,\"prompt_tokens\":32,\"prompt_tokens_details\":{\"cache_creation\":{\"ephemeral_5m_input_tokens\":0},\"cache_creation_input_tokens\":0,\"cache_type\":\"ephemeral\",\"cache_write_tokens\":0,\"cached_tokens\":0,\"text_tokens\":32},\"total_tokens\":38}}\n\ndata: [DONE]\n\n"
       }
     }
   ]

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

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

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

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

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

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

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

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

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

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-medium-effort",
-    "recordedAt": "2026-09-08T03:09:38.233Z"
+    "recordedAt": "2026-10-02T01:23:20.103Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"medium\",\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"medium\",\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
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{\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" calculate 17\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836974,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"3 × 2\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836974,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"19 and reply\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836974,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: 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{\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"219:\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836974,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\\n173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836974,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" × 20\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836974,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"0 = 3\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836974,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"4,60\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836974,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"0\\n17\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836974,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"3 × 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1788836974,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-a42ce2bc-4c60-9079-9b86-31ce3737204c\",\"choices\":[{\"delta\":{\"content\Line truncated
+        "body": "data: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null,\"choices\":[{\"logprobs\":null,\"index\":0,\"delta\":{\"content\":\"\",\"role\":\"assistant\",\"reasoning_content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"The\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" user wants me to\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: 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{\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" with only the final\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" integer.\\n\\n1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"73 × \"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"219:\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"\\n173\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\" × 20\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"0 = 3\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"4,60\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"0\\n17\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\":\"\",\"reasoning_content\":\"3 × 1\"},\"index\":0,\"finish_reason\":null,\"logprobs\":null}],\"created\":1790904197,\"object\":\"chat.completion.chunk\",\"usage\":null}\n\ndata: {\"model\":\"qwen3.8-max\",\"id\":\"chatcmpl-231b166c-7ab2-9476-af1c-edce81920373\",\"choices\":[{\"delta\":{\"content\Line truncated
       }
     }
   ]

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

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-minimal-effort",
-    "recordedAt": "2026-09-08T03:09:31.692Z"
+    "recordedAt": "2026-10-02T01:23:12.765Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"minimal\",\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"minimal\",\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
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\"},\Line truncated
       }
     }
   ]

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

@@ -11,7 +11,7 @@
       "usage"
     ],
     "name": "alibaba-chat/qwen-3-8-max-streams-none-effort",
-    "recordedAt": "2026-09-08T03:09:27.584Z"
+    "recordedAt": "2026-10-02T01:23:09.451Z"
   },
   "interactions": [
     {
@@ -22,14 +22,14 @@
         "headers": {
           "content-type": "application/json"
         },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"none\",\"max_completion_tokens\":4096}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"reasoning_effort\":\"none\",\"max_completion_tokens\":4096}"
       },
       "response": {
         "status": 200,
         "headers": {
           "content-type": "text/event-stream;charset=utf-8"
         },
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       }
     }
   ]

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

@@ -1,12 +1,36 @@
 import type { OpenCodeEvent, SessionMessageInfo } from "@opencode/client/promise"
 import { expect, test, type Locator, type Page } from "@playwright/test"
 import { base64Encode } from "@opencode/util/encode"
-import { workspaceKey } from "../utils/app"
+import { SERVER, project, provider, session, workspaceKey } from "../utils/app"
+import { mockOpenCodeServer } from "../utils/mock-server"
 import { fileDiff, fileNode, openSession } from "../utils/workspace"
 import { expectSessionTitle } from "../utils/waits"
 
 test.use({ viewport: { width: 1440, height: 900 } })
 
+for (const view of ["desktop", "mobile"] as const) {
+  test(`offers Git initialization for a project without VCS (${view})`, async ({ page }) => {
+    if (view === "mobile") await page.setViewportSize({ width: 390, height: 844 })
+    const requests: { directory: string; provider?: string }[] = []
+    const workspace = await openSession(page, {
+      name: "ReviewWithoutGit",
+      project: { vcs: undefined },
+      onVcsInit: (input) => requests.push(input),
+    })
+    if (view === "desktop") await page.getByRole("button", { name: "Toggle review" }).click()
+    else await page.getByRole("tablist", { name: "Session view" }).getByRole("tab", { name: "Changes" }).click()
+
+    const panel = view === "desktop" ? page.locator("#review-panel") : page.locator('[data-component="session-review"]')
+    await expect(panel.getByText("Track, review, and undo changes in this project")).toBeVisible()
+    await expect(panel.getByRole("button", { name: "Git changes" })).toHaveCount(0)
+    const init = panel.getByRole("button", { name: "Create Git repository" })
+    await init.click()
+    await expect.poll(() => requests).toEqual([{ directory: workspace.directory, provider: "git" }])
+    await expect(panel.getByRole("button", { name: "Git changes" })).toBeVisible()
+    await expect(init).toHaveCount(0)
+  })
+}
+
 test("open file tab browses, searches, and tracks missing files", async ({ page }) => {
   const searches: { query: string; dirs?: string; limit?: number }[] = []
   const directory = "C:/OpenCode/ReviewOpenFile"
@@ -603,6 +627,65 @@ test("keeps the review state a session stored before extensions", async ({ page
   await expect(trigger("gamma.ts")).toBeVisible()
 })
 
+test("desktop review waits for the session's stored mode before it loads changes", async ({ page }) => {
+  const directory = "C:/OpenCode/ReviewDesktop"
+  const id = "ses_review_desktop"
+  const title = "Desktop review"
+  await mockOpenCodeServer(page, {
+    directory,
+    project: project({ id: "proj_review_desktop", directory }),
+    provider: provider(),
+    sessions: [session({ id, directory, title })],
+    pageMessages: () => ({ items: [] }),
+    vcs: { current: "feature", default: "dev" },
+    vcsDiff: ({ mode }) => (mode === "branch" ? [fileDiff("beta.ts")] : [fileDiff("gamma.ts")]),
+  })
+  const working: string[] = []
+  page.on("request", (request) => {
+    const url = new URL(request.url())
+    if (url.pathname.endsWith("/vcs/diff") && url.searchParams.get("mode") === "working") working.push(request.url())
+  })
+  const desktop = (hold?: string) =>
+    `/e2e/utils/settings-wsl.html?${new URLSearchParams({
+      server: SERVER,
+      mode: "stopped",
+      storage: "async",
+      path: `/server/${base64Encode("sidecar")}/session/${id}`,
+      ...(hold && { hold }),
+    })}`
+  const mode = (name: string) => page.getByRole("button", { name, exact: true })
+  const file = page.locator('[data-slot="session-review-v2-file-name"]')
+  const toggle = page.getByRole("button", { name: "Toggle review", exact: true })
+
+  await page.goto(desktop())
+  await expectSessionTitle(page, title)
+  await toggle.click()
+  await mode("Git changes").click()
+  await page.getByRole("option", { name: "Branch changes" }).click()
+  await expect(file).toHaveText("beta.ts")
+  await expect
+    .poll(() =>
+      page.evaluate(() =>
+        Object.entries(localStorage).some(
+          ([key, value]) => key.includes("extension.review.session") && value.includes('"branch"'),
+        ),
+      ),
+    )
+    .toBe(true)
+
+  // The reopened window's review mounts before its session store has loaded.
+  working.length = 0
+  await page.goto(desktop("extension.review.session"))
+  await expectSessionTitle(page, title)
+  await expect(toggle).toHaveAttribute("aria-expanded", "true")
+  await expect(page.locator("#review-panel").getByText("Loading changes…", { exact: true })).toBeVisible()
+  await expect(mode("Git changes")).toHaveCount(0)
+  await page.getByRole("button", { name: "Load held storage" }).click()
+  await expect(mode("Branch changes")).toBeVisible()
+  await expect(file).toHaveText("beta.ts")
+  expect(working).toEqual([])
+})
+
 for (const direction of ["ltr", "rtl"] as const) {
   test(`review toggle stays at the header edge in ${direction}`, async ({ page }) => {
     await page.setViewportSize({ width: 1000, height: 900 })

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

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

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

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

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

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

packages/app/e2e/regression/side-panels.spec.ts

@@ -200,9 +200,11 @@ test("terminal stacks under review by default and spans the bottom when configur
   await expect
     .poll(() =>
       page.evaluate(() => {
-        const review = document.querySelector("#review-panel")!.getBoundingClientRect()
-        const terminal = document.querySelector("#terminal-panel")!.getBoundingClientRect()
-        const sidebar = document.querySelector('#review-panel [data-slot="session-review-v2-sidebar"]')!
+        const review = document.querySelector("#review-panel")?.getBoundingClientRect()
+        const terminal = document.querySelector("#terminal-panel")?.getBoundingClientRect()
+        const sidebar = document.querySelector('#review-panel [data-slot="session-review-v2-sidebar"]')
+        // The side region appears before its lazy review content after reload.
+        if (!review || !terminal || !sidebar) return false
         const gap = terminal.top - review.bottom
         return (
           terminal.left <= 9 &&

packages/app/e2e/regression/timeline-stream.spec.ts

@@ -543,6 +543,26 @@ test.describe("Working", () => {
     await expect(working).toHaveCount(0)
   })
 
+  test("keeps Working instead of Used 1 Thought while reasoning is the only activity", async ({ page }) => {
+    const timeline = await setupTimeline(page, {
+      messages: [
+        userMessage(),
+        assistantMessage([reasoningPart("prt_only_thought", "Still considering the answer.")], { completed: false }),
+      ],
+      settings: { timelineDetail: detailed },
+    })
+    const working = page.locator('[data-component="session-working"]')
+    const group = page.locator('[data-component="collapsed-tool-group"]')
+    await expect(working).toBeVisible()
+    await expect(group).toHaveCount(0)
+    await expect(page.getByRole("button", { name: "Used 1 Thought" })).toHaveCount(0)
+
+    await timeline.send(partUpdated(toolPart("prt_after_thought", "read", "running", { filePath: "package.json" })))
+    await expect(group).toBeVisible()
+    await expect(group).toHaveAttribute("data-timeline-part-ids", `${assistantID}:reasoning:0,prt_after_thought`)
+    await expect(working).toBeVisible()
+  })
+
   for (const name of ["shell", "patch", "subagent"] as const) {
     test(`hides Working during ${name} input and execution, then restores it on completion`, async ({ page }) => {
       const timeline = await setupTimeline(page, {

packages/app/e2e/utils/mock-api.ts

@@ -169,6 +169,7 @@ const Group = HttpApiGroup.make("mock")
   )
   .add(HttpApiEndpoint.get("formRequests", "/api/form", { success: Json }))
   .add(HttpApiEndpoint.get("vcs", "/api/vcs", { success: Json }))
+  .add(HttpApiEndpoint.post("vcsInit", "/api/vcs/init", { success: NoContent, error: Unsupported }))
   .add(HttpApiEndpoint.get("vcsStatus", "/api/vcs/status", { success: Json }))
   .add(HttpApiEndpoint.get("vcsBranches", "/api/vcs/branch", { success: Json }))
   .add(HttpApiEndpoint.get("vcsDiff", "/api/vcs/diff", { query: Query, success: Json }))

packages/app/e2e/utils/mock-server.ts

@@ -43,6 +43,8 @@ export interface MockServerConfig {
     cursor?: string
   }
   vcs?: { current: string; default: string }
+  // Initializes the mock project's VCS; without a handler this mutation answers 501.
+  onVcsInit?: (input: { directory: string; provider?: string }) => void
   vcsDiff?: unknown[] | ((input: { mode?: string }) => unknown[])
   // Benchmark latency only. Tests hold message pages with `beforeMessagesResponse`.
   messageDelay?: number
@@ -817,6 +819,24 @@ function mockHandlers(
             location: location(config),
             data: { branch: config.vcs ?? { current: "main", default: "main" } },
           }),
+        vcsInit: (ctx) => {
+          if (!config.onVcsInit) return unsupported("initialize VCS", "onVcsInit")
+          return Effect.sync(() => {
+            const url = new URL(ctx.request.url, "http://localhost")
+            const provider = url.searchParams.get("provider") ?? undefined
+            config.onVcsInit?.({ directory: requestDirectory(config, ctx.request), provider })
+            const project = config.project as { id: string; vcs?: string }
+            project.vcs = provider ?? "git"
+            state.emit([
+              {
+                id: "evt_vcs_initialized",
+                type: "worktree.updated",
+                created: Date.now(),
+                data: { projectID: project.id },
+              },
+            ])
+          }).pipe(Effect.andThen(noContent))
+        },
         vcsStatus: () => Effect.succeed({ location: location(config), data: [] }),
         vcsBranches: () => Effect.succeed({ location: location(config), data: ["main"] }),
         vcsDiff: (ctx) =>

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

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

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

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

packages/app/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode/app",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "description": "",
   "type": "module",
   "exports": {

packages/app/src/composer/model.ts

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

packages/cli/package.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
   "name": "@opencode/cli",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "type": "module",
   "license": "MIT",
   "bin": {
@@ -39,6 +39,7 @@
     "@opentui/solid": "catalog:",
     "@parcel/watcher": "2.5.1",
     "@silvia-odwyer/photon-node": "0.3.4",
+    "diff": "catalog:",
     "effect": "catalog:",
     "immer": "11.1.4",
     "jsonc-parser": "3.3.1",

packages/cli/src/acp/agent.ts

@@ -115,7 +115,7 @@ export const connect = Effect.fnUntraced(function* (client: OpenCodeClient, stre
   const acp = ACPConnection.make(app, stream)
   const connection = acp.connection
   const sessions = yield* ACPSessions.make({ client, connection, catalog })
-  const capabilities = yield* Ref.make({ childSessionUpdates: false, formElicitation: false })
+  const capabilities = yield* Ref.make({ childSessionUpdates: false, formElicitation: false, compaction: false })
   const turn = yield* ACPTurn.make({ client, connection, sessions, catalog, capabilities })
   yield* Deferred.succeed(ready, ACPService.make({ client, connection, catalog, sessions, capabilities, turn }))
   return acp.agent

packages/cli/src/acp/compaction.ts

@@ -0,0 +1,148 @@
+import type { SessionUpdate } from "@agentclientprotocol/sdk"
+import type { EventSubscribeOutput, SessionMessageInfo, SessionStructuredError } from "@opencode/client/promise"
+import { Event } from "@opencode/schema/event"
+import { SessionMessage } from "@opencode/schema/session-message"
+
+const MarkerMeta = "opencode/compaction"
+
+/** Message IDs follow core's compaction message projection, so live compactions match replayed ones. */
+export type Started = { readonly status: "started"; readonly messageId: string; readonly reason: "auto" | "manual" }
+
+type Compaction =
+  | Started
+  | {
+      readonly status: "completed"
+      readonly messageId: string
+      readonly reason: "auto" | "manual"
+      readonly summary: string
+    }
+  | {
+      readonly status: "failed"
+      readonly messageId: string
+      readonly reason: "auto" | "manual"
+      readonly error: SessionStructuredError
+    }
+
+/** Each session's compaction that has started and not yet settled, by session ID. */
+export type Tracked = ReadonlyMap<string, Started>
+
+type LifecycleEvent = Extract<
+  EventSubscribeOutput,
+  { readonly type: "session.compaction.started" | "session.compaction.ended" | "session.compaction.failed" }
+>
+type OpeningEvent = Extract<
+  LifecycleEvent,
+  { readonly type: "session.compaction.started" | "session.compaction.failed" }
+>
+
+// Core reports a cancelled or interrupted compaction as a failure with one of these error types.
+const Cancelled = new Set(["aborted", "compaction.interrupted"])
+
+/**
+ * Whether compactions go out as the standard session updates rather than the `_meta` marker. A child compaction
+ * projected onto the parent session keeps the marker, since a standard update there would read as compaction of the
+ * parent's own context.
+ */
+export function usesStandardUpdates(
+  ctx: { readonly compaction: boolean; readonly childUpdates: boolean },
+  child: boolean,
+) {
+  return ctx.compaction && (!child || ctx.childUpdates)
+}
+
+/** Tracks a lifecycle event and returns the updates it sends. */
+export function apply(event: LifecycleEvent, tracked: Tracked, standard: boolean) {
+  const sessionID = event.data.sessionID
+  if (event.type === "session.compaction.started") {
+    const started = open(event)
+    return { tracked: new Map(tracked).set(sessionID, started), updates: [update(started, standard)] }
+  }
+  const current = tracked.get(sessionID)
+  const remaining = new Map(tracked)
+  remaining.delete(sessionID)
+  if (event.type === "session.compaction.ended") {
+    if (!current) return { tracked: remaining, updates: [] }
+    const completed: Compaction = {
+      ...current,
+      status: "completed",
+      reason: event.data.reason,
+      summary: event.data.text,
+    }
+    return { tracked: remaining, updates: [update(completed, standard)] }
+  }
+  // Automatic compaction can fail before it starts, for example when there is nothing to compact yet. A live
+  // standard compaction still opens before it settles.
+  const started = current ?? open(event)
+  const failed: Compaction = { ...started, status: "failed", reason: event.data.reason, error: event.data.error }
+  return {
+    tracked: remaining,
+    updates: [...(current || !standard ? [] : [update(started, standard)]), update(failed, standard)],
+  }
+}
+
+/** A summary chunk for the session's tracked compaction, if it has one and uses standard updates. */
+export function chunk(started: Started | undefined, text: string, standard: boolean): SessionUpdate | undefined {
+  if (!started || !standard) return undefined
+  return { sessionUpdate: "compaction_summary_chunk", compactionId: started.messageId, content: { type: "text", text } }
+}
+
+/** Settles a compaction a cancelled turn left open the way core settles a cancelled one. */
+export function abandon(started: Started, standard: boolean) {
+  return update({ ...started, status: "failed", error: { type: "aborted", message: "Compaction cancelled" } }, standard)
+}
+
+/** A settled compaction as one terminal update. A running one has no live turn on this connection to settle it. */
+export function replay(message: Extract<SessionMessageInfo, { type: "compaction" }>, standard: boolean) {
+  if (message.status === "running") return undefined
+  const base = { messageId: message.id, reason: message.reason }
+  return update(
+    message.status === "failed"
+      ? { ...base, status: "failed", error: message.error }
+      : { ...base, status: "completed", summary: message.summary },
+    standard,
+  )
+}
+
+function open(event: OpeningEvent): Started {
+  return {
+    status: "started",
+    messageId: event.data.inputID ?? SessionMessage.ID.fromEvent(Event.ID.make(event.id)),
+    reason: event.data.reason,
+  }
+}
+
+function update(compaction: Compaction, standard: boolean): SessionUpdate {
+  if (!standard) {
+    const marker = {
+      status: compaction.status,
+      messageId: compaction.messageId,
+      reason: compaction.reason,
+      ...(compaction.status === "failed" ? { error: compaction.error } : {}),
+    }
+    return { sessionUpdate: "session_info_update", _meta: { [MarkerMeta]: marker } }
+  }
+  const compactionId = compaction.messageId
+  if (compaction.status === "started")
+    return { sessionUpdate: "compaction_update", compactionId, status: "in_progress" }
+  if (compaction.status === "completed") {
+    const summary = compaction.summary ? [{ type: "text" as const, text: compaction.summary }] : null
+    return { sessionUpdate: "compaction_update", compactionId, status: "completed", summary }
+  }
+  if (Cancelled.has(compaction.error.type))
+    return { sessionUpdate: "compaction_update", compactionId, status: "cancelled", summary: null }
+  return {
+    sessionUpdate: "compaction_update",
+    compactionId,
+    status: "failed",
+    summary: null,
+    error: errorMessage(compaction.error),
+  }
+}
+
+// Core reports a defect as `compaction.failed` with the pretty-printed cause, whose stack trace spans several lines.
+function errorMessage(error: SessionStructuredError) {
+  if (!error.message || (error.type === "compaction.failed" && error.message.includes("\n"))) return "Compaction failed"
+  return error.message
+}
+
+export * as ACPCompaction from "./compaction"

packages/cli/src/acp/content.ts

@@ -24,28 +24,13 @@ export function contentBlockToParts(block: ContentBlock): PromptPart[] {
       }
       return [{ type: "text", text: block.text }]
     }
-    case "image":
-      if (block.data) {
-        return [
-          {
-            type: "file",
-            url: `data:${block.mimeType};base64,${block.data}`,
-            filename: filenameFromUri(block.uri ?? undefined) ?? "image",
-            mime: block.mimeType,
-          },
-        ]
-      }
-      if (block.uri?.startsWith("data:") || block.uri?.startsWith("http://") || block.uri?.startsWith("https://")) {
-        return [
-          {
-            type: "file",
-            url: block.uri,
-            filename: filenameFromUri(block.uri) ?? "image",
-            mime: block.mimeType,
-          },
-        ]
-      }
-      return []
+    case "image": {
+      const url = block.data ? `data:${block.mimeType};base64,${block.data}` : block.uri
+      if (!url) return []
+      const filename = filenameFromUri(block.uri ?? undefined) ?? "image"
+      if (url.startsWith("data:")) return [{ type: "file", url, filename, mime: block.mimeType }]
+      return [resourceLinkToPart({ uri: url, name: filename, mimeType: block.mimeType })]
+    }
     case "resource_link":
       return [resourceLinkToPart(block)]
     case "resource":
@@ -180,7 +165,10 @@ export function linkReference(name: string | undefined, uri: string): PromptPart
 
 function filenameFromUri(uri: string | undefined): string | undefined {
   if (!uri || uri.startsWith("data:")) return undefined
-  if (URL.canParse(uri)) return path.basename(new URL(uri).pathname) || undefined
+  if (URL.canParse(uri)) {
+    const url = new URL(uri)
+    return path.basename((url.protocol === "zed:" && url.searchParams.get("path")) || url.pathname) || undefined
+  }
   return path.basename(uri) || undefined
 }
 

packages/cli/src/acp/elicitation.ts

@@ -16,8 +16,9 @@ type InputField = Exclude<Form.Field, Form.ExternalField>
 type SelectField = Form.StringField | Form.MultiselectField
 
 // Form mode must not collect secrets, so only forms from flows known not to ask for credentials are elicited.
-const ElicitedKind = Schema.Struct({ kind: Schema.Literals(["question", "websearch.provider"]) })
-const Credential = /password|passphrase|secret|token|api[_-]?key|credential|private[_-]?key/i
+const QuestionKind = "question"
+const ElicitedKind = Schema.Struct({ kind: Schema.Literals([QuestionKind, "websearch.provider"]) })
+const Credential = /password|passphrase|secret|token|api[_ -]?key|credential|private[_ -]?key/i
 const ToolSource = Schema.Struct({ tool: Schema.Struct({ id: Schema.String }) })
 
 type Input = {
@@ -57,9 +58,12 @@ export const reply = Effect.fn("cli.acp.elicitation.reply")(function* (input: In
   )
 })
 
+export const UnshownQuestionMessage =
+  "The question couldn't be shown to the user in this client. Continue without an answer: make reasonable assumptions and state them, or ask the user in your reply if you can't proceed."
+
 /** Cancels a form, interrupting its session when the server can't cancel it. */
-export function cancel(client: OpenCodeClient, form: AskedForm) {
-  return settle(() => client.session.form.cancel({ sessionID: form.sessionID, formID: form.id })).pipe(
+function cancel(client: OpenCodeClient, form: AskedForm, message?: string) {
+  return settle(() => client.session.form.cancel({ sessionID: form.sessionID, formID: form.id, message })).pipe(
     Effect.catch(() =>
       Effect.tryPromise(() => client.session.interrupt({ sessionID: form.sessionID })).pipe(Effect.ignore),
     ),
@@ -68,15 +72,16 @@ export function cancel(client: OpenCodeClient, form: AskedForm) {
 
 /**
  * The form-mode schema for a form, or undefined when the form is cancelled instead: the client lacks form
- * elicitation, the form is not from an allowed flow or has a field that looks like a credential, or ACP can't
- * represent it faithfully. Unrepresentable forms have `external` fields, `when` conditions, a hidden required field
- * without a default, a default outside a field's options, or a free-text answer alongside options that must also
- * satisfy `required` or item bounds across both inputs. Hidden fields are not asked and answer with their default.
+ * elicitation, the form is not from an allowed flow or has a field whose key, title, description, or option label
+ * looks like a credential, or ACP can't represent it faithfully. Unrepresentable forms have `external` fields, `when`
+ * conditions, a hidden required field without a default, a default outside a field's options, or a free-text answer
+ * alongside options that must also satisfy `required` or item bounds across both inputs. Hidden fields are not asked
+ * and answer with their default.
  */
 export function requestedSchema(form: AskedForm, capabilities: ACPService.Capabilities): ElicitationSchema | undefined {
   if (!capabilities.formElicitation) return undefined
   if (Option.isNone(Schema.decodeUnknownOption(ElicitedKind)(form.metadata))) return undefined
-  if (form.fields.some((field) => Credential.test(field.key) || Credential.test(field.title ?? ""))) return undefined
+  if (form.fields.some(credentialLike)) return undefined
   const fields = form.fields.filter((field): field is InputField => field.type !== "external")
   if (fields.length !== form.fields.length || fields.some((field) => field.when?.length)) return undefined
   if (fields.some((field) => field.hidden && field.required && field.default === undefined)) return undefined
@@ -90,6 +95,14 @@ export function requestedSchema(form: AskedForm, capabilities: ACPService.Capabi
   }
 }
 
+/**
+ * Cancels a form that `requestedSchema` won't show. A question is cancelled with a message the question tool returns
+ * to the model, so the turn continues instead of ending as interrupted; other forms are cancelled silently.
+ */
+export function cancelUnshown(client: OpenCodeClient, form: AskedForm) {
+  return cancel(client, form, form.metadata?.kind === QuestionKind ? UnshownQuestionMessage : undefined)
+}
+
 /** The answer for an accepted response, or undefined when the user declined, cancelled, or sent invalid content. */
 export function answer(form: AskedForm, response: CreateElicitationResponse): Form.Answer | undefined {
   if (response.action !== "accept") return undefined
@@ -137,6 +150,14 @@ function settle(evaluate: () => Promise<void>) {
   )
 }
 
+function credentialLike(field: Form.Field) {
+  const labels =
+    field.type === "string" || field.type === "multiselect" ? (field.options ?? []).map((option) => option.label) : []
+  return [field.key, field.title, field.description, ...labels].some(
+    (text) => text !== undefined && Credential.test(text),
+  )
+}
+
 function representable(field: InputField, keys: ReadonlySet<string>) {
   if (field.type !== "string" && field.type !== "multiselect") return true
   if (!hasOptions(field)) return true

packages/cli/src/acp/permission.ts

@@ -1,13 +1,17 @@
-import type { PermissionOption, ToolCallContent, ToolCallLocation } from "@agentclientprotocol/sdk"
+import type { PermissionOption, ToolCallLocation } from "@agentclientprotocol/sdk"
 import type { EventSubscribeOutput, OpenCodeClient, PermissionReplyInput } from "@opencode/client/promise"
+import { FileDiff } from "@opencode/schema/file-diff"
 import { Patch } from "@opencode/util/patch"
-import { Cause, Effect } from "effect"
+import { applyPatch } from "diff"
+import { Cause, Effect, Option, Schema } from "effect"
 import type { ACPConnection } from "./connection"
 import { ACPPromise } from "./promise"
+import { ACPTranslate } from "./translate"
 import { absolutePath, filePath, patchHunks, pendingToolCall, stringValue, toLocations, type ToolInput } from "./tool"
 
 type PermissionEvent = Extract<EventSubscribeOutput, { type: "permission.asked" }>
-type Tool = { readonly name: string; readonly input: ToolInput }
+type Tool = { readonly id: string; readonly name: string; readonly input: ToolInput }
+type Preview = ReturnType<typeof diff>
 
 type Input = {
   readonly client: OpenCodeClient
@@ -17,8 +21,7 @@ type Input = {
   readonly clientSessionID: string
   readonly cwd: string
   readonly tool?: Tool
-  readonly toolCallPrefix?: string
-  readonly titlePrefix?: string
+  readonly child?: ACPTranslate.ChildSession
 }
 
 const options: PermissionOption[] = [
@@ -27,6 +30,8 @@ const options: PermissionOption[] = [
   { optionId: "reject", kind: "reject_once", name: "Reject" },
 ]
 
+const decodeFiles = Schema.decodeUnknownOption(Schema.Array(FileDiff.Info))
+
 /**
  * Asks the client, then replies to the server. Once `cancelled` completes, the client's request is cancelled or never
  * sent, and the server gets `reject`. The server reply is uninterruptible, so a server that is alive but stuck can
@@ -45,23 +50,28 @@ export const reply = Effect.fn("cli.acp.permission.reply")(function* (input: Inp
 
 const ask = Effect.fnUntraced(function* (input: Input) {
   const toolName = input.tool?.name ?? input.event.data.action
-  const toolInput = { ...input.event.data.metadata, ...input.tool?.input }
-  const previews = yield* permissionPreviews(toolName, toolInput, input.cwd)
-  const toolCallID = input.event.data.source?.id ?? input.event.data.id
+  const toolInput = input.tool?.input ?? input.event.data.metadata ?? {}
+  const previews = yield* permissionPreviews(toolName, toolInput, input.event.data.metadata, input.cwd).pipe(
+    Effect.orElseSucceed((): Preview[] => []),
+  )
+  const toolCallID = input.tool?.id ?? input.event.data.id
+  const toolCall = pendingToolCall({
+    toolCallId: input.child ? `${input.child.id}:${toolCallID}` : toolCallID,
+    toolName,
+    state: {
+      input: toolInput,
+      title: prefixedTitle(input.child?.title, permissionTitle(toolName, toolInput, previews)),
+    },
+    cwd: input.cwd,
+  })
   const result = yield* input.connection.requestPermission({
     sessionId: input.clientSessionID,
     toolCall: {
-      ...pendingToolCall({
-        toolCallId: input.toolCallPrefix ? `${input.toolCallPrefix}:${toolCallID}` : toolCallID,
-        toolName,
-        state: {
-          input: toolInput,
-          title: prefixedTitle(input.titlePrefix, permissionTitle(toolName, toolInput, previews)),
-        },
-        cwd: input.cwd,
-      }),
-      locations: permissionLocations(toolName, toolInput, input.event.data.resources, input.cwd),
+      ...toolCall,
+      rawInput: input.tool ? toolCall.rawInput : undefined,
+      locations: permissionLocations(toolName, toolInput, input.event.data, input.cwd),
       ...(previews.length > 0 ? { content: previews } : {}),
+      ...(input.child ? { _meta: ACPTranslate.childSessionMeta(input.child) } : {}),
     },
     options,
   })
@@ -81,29 +91,33 @@ function prefixedTitle(prefix: string | undefined, title: string | undefined) {
   return `${prefix}: ${title}`
 }
 
-const permissionPreviews = Effect.fnUntraced(function* (toolName: string, input: ToolInput, cwd: string) {
+// Core sends the edit and write previews as file diffs; a diff that no longer applies to the file gets no preview.
+// The patch tool's diffs have their common indentation trimmed for display, so its previews come from its own hunks.
+const permissionPreviews = Effect.fnUntraced(function* (
+  toolName: string,
+  input: ToolInput,
+  metadata: ToolInput | undefined,
+  cwd: string,
+) {
   const tool = toolName.toLocaleLowerCase()
   if (tool === "patch" || tool === "apply_patch") return yield* patchPreviews(input, cwd)
-  const file = filePath(input)
-  if (!file) return []
-  const path = absolutePath(file, cwd)
-  if (tool === "write") {
-    const content = stringValue(input.content)
-    if (content === undefined) return []
-    const oldText = yield* readText(path)
-    return [diff(path, oldText, content)]
-  }
-  if (tool !== "edit") return []
-  const oldString = stringValue(input.oldString)
-  const newString = stringValue(input.newString)
-  if (oldString === undefined || newString === undefined) return []
-  const oldText = yield* readText(path)
-  const newText =
-    input.replaceAll === true ? oldText.replaceAll(oldString, newString) : oldText.replace(oldString, newString)
-  return [diff(path, oldText, newText)]
+  const files = Option.getOrElse(decodeFiles(metadata?.files), () => [])
+  const previews = yield* Effect.forEach(
+    files,
+    (file) =>
+      Effect.gen(function* () {
+        const path = absolutePath(file.file, cwd)
+        const oldText = file.status === "added" ? null : yield* Effect.tryPromise(() => Bun.file(path).text())
+        const newText = applyPatch(oldText ?? "", file.patch)
+        return newText === false ? [] : [diff(path, oldText, newText)]
+      }),
+    { concurrency: "unbounded" },
+  )
+  return previews.flat()
 })
 
-// Patch.derive throws when a hunk does not match the current file; the patch then gets no previews.
+// Patch.derive throws when a hunk does not match the current file, and a read can fail; the patch then gets no
+// previews.
 function patchPreviews(input: ToolInput, cwd: string) {
   return Effect.forEach(
     patchHunks(input),
@@ -112,22 +126,22 @@ function patchPreviews(input: ToolInput, cwd: string) {
         const path = absolutePath(hunk.path, cwd)
         if (hunk.type === "add") {
           const newText = hunk.contents.endsWith("\n") || hunk.contents === "" ? hunk.contents : `${hunk.contents}\n`
-          return diff(path, "", newText)
+          return diff(path, null, newText)
         }
-        const oldText = yield* readText(path)
+        const oldText = yield* Effect.tryPromise(() => Bun.file(path).text())
         if (hunk.type === "delete") return diff(path, oldText, "")
         const derived = yield* Effect.try(() => Patch.derive(hunk.path, hunk.chunks, oldText))
         return diff(hunk.movePath ? absolutePath(hunk.movePath, cwd) : path, oldText, derived.content)
       }),
     { concurrency: "unbounded" },
-  ).pipe(Effect.orElseSucceed((): ToolCallContent[] => []))
+  )
 }
 
-function diff(path: string, oldText: string, newText: string): ToolCallContent {
-  return { type: "diff", path, oldText, newText }
+function diff(path: string, oldText: string | null, newText: string) {
+  return { type: "diff" as const, path, oldText, newText }
 }
 
-function permissionTitle(toolName: string, input: ToolInput, previews: ReadonlyArray<ToolCallContent>) {
+function permissionTitle(toolName: string, input: ToolInput, previews: ReadonlyArray<Preview>) {
   if (previews.length > 1) return `${previews.length} files`
   switch (toolName.toLocaleLowerCase()) {
     case "external_directory":
@@ -144,26 +158,29 @@ function permissionTitle(toolName: string, input: ToolInput, previews: ReadonlyA
     case "write":
     case "patch":
     case "apply_patch":
-      return filePath(input) ?? (previews[0]?.type === "diff" ? previews[0].path : undefined)
+      return filePath(input) ?? previews[0]?.path
     default:
       return undefined
   }
 }
 
+// Only these actions ask with path resources; an external directory asks for `<dir>/*`, located at the directory.
+// Core's wildcard matching treats only `*` and `?` as special.
 function permissionLocations(
   toolName: string,
   input: ToolInput,
-  resources: ReadonlyArray<string>,
+  ask: PermissionEvent["data"],
   cwd: string,
 ): ToolCallLocation[] {
   const locations = toLocations(toolName, input, cwd)
-  if (locations.length > 0) return locations
-  return resources.filter((resource) => resource !== "*").map((path) => ({ path: absolutePath(path, cwd) }))
+  if (locations.length > 0 || !PathActions.has(ask.action)) return locations
+  const paths = ask.resources.flatMap((resource) => {
+    const path = resource.endsWith("/*") ? resource.slice(0, -2) : resource
+    return path && !/[*?]/.test(path) ? [absolutePath(path, cwd)] : []
+  })
+  return Array.from(new Set(paths), (path) => ({ path }))
 }
 
-// A missing file previews as empty.
-function readText(path: string) {
-  return Effect.tryPromise(() => Bun.file(path).text()).pipe(Effect.orElseSucceed(() => ""))
-}
+const PathActions = new Set(["read", "edit", "external_directory"])
 
 export * as ACPPermission from "./permission"

packages/cli/src/acp/service.ts

@@ -53,7 +53,11 @@ export const AuthMethodID = "opencode-login"
 export type Failure = ACPError.Error | RequestError | ACPCatalog.Error
 
 /** What the client advertised in `initialize`. */
-export type Capabilities = { readonly childSessionUpdates: boolean; readonly formElicitation: boolean }
+export type Capabilities = {
+  readonly childSessionUpdates: boolean
+  readonly formElicitation: boolean
+  readonly compaction: boolean
+}
 
 export interface Interface {
   readonly initialize: (input: InitializeRequest) => Effect.Effect<InitializeResponse>
@@ -128,18 +132,24 @@ export function make(input: {
     return session
   })
 
-  const replay = (attached: Attached) =>
-    Stream.paginate(undefined, (cursor: string | undefined) =>
+  const replay = Effect.fnUntraced(function* (attached: Attached) {
+    const capabilities = yield* Ref.get(input.capabilities)
+    yield* Stream.paginate(undefined, (cursor: string | undefined) =>
       ACPPromise.promise(() =>
         cursor
           ? input.client.message.list({ sessionID: attached.id, limit: 200, cursor })
           : input.client.message.list({ sessionID: attached.id, limit: 200, order: "asc" }),
       ).pipe(Effect.map((page) => [page.data, Option.fromNullishOr(page.cursor.next)] as const)),
-    ).pipe(Stream.runForEach((message) => replayMessage(attached, message)))
+    ).pipe(Stream.runForEach((message) => replayMessage(attached, message, capabilities)))
+  })
 
   // A message that fails to translate keeps the updates before the failure and does not stop the replay.
-  const replayMessage = Effect.fnUntraced(function* (attached: Attached, message: SessionMessageInfo) {
-    const updates = ACPTranslate.replayMessage(message, attached.cwd)
+  const replayMessage = Effect.fnUntraced(function* (
+    attached: Attached,
+    message: SessionMessageInfo,
+    capabilities: Capabilities,
+  ) {
+    const updates = ACPTranslate.replayMessage(message, attached.cwd, capabilities)
     while (true) {
       const next = yield* Effect.result(Effect.try(() => updates.next()))
       if (Result.isFailure(next))
@@ -152,9 +162,11 @@ export function make(input: {
   return {
     initialize: Effect.fnUntraced(function* (params) {
       const elicitation = params.clientCapabilities?.elicitation
+      const compaction = params.clientCapabilities?.session?.compaction
       yield* Ref.set(input.capabilities, {
         childSessionUpdates: params.clientCapabilities?._meta?.[ACPTranslate.ChildSessionUpdatesCapability] === true,
         formElicitation: elicitation?.form !== undefined && elicitation.form !== null,
+        compaction: compaction !== undefined && compaction !== null,
       })
       const authMethod: AuthMethod = {
         description: "Run `opencode auth login` in the terminal",
@@ -196,7 +208,10 @@ export function make(input: {
         }),
       )
       const attached = yield* input.sessions.attach(created, params.cwd, params.mcpServers)
-      return { sessionId: attached.id, configOptions: yield* currentOptions(attached) }
+      return yield* currentOptions(attached).pipe(
+        Effect.map((configOptions) => ({ sessionId: attached.id, configOptions })),
+        Effect.onError(() => input.sessions.detach(attached.id)),
+      )
     }),
     loadSession: Effect.fnUntraced(function* (params) {
       const directories = yield* ACPDirectories.parse(params.cwd, params.additionalDirectories)
@@ -248,7 +263,10 @@ export function make(input: {
       const session = yield* getSession(params.sessionId, params.cwd)
       yield* ACPDirectories.activate(input.client, session, directories)
       const attached = yield* input.sessions.attach(session, session.location.directory, params.mcpServers ?? [])
-      return { configOptions: yield* currentOptions(attached) }
+      return yield* currentOptions(attached).pipe(
+        Effect.map((configOptions) => ({ configOptions })),
+        Effect.onError(() => input.sessions.detach(attached.id)),
+      )
     }),
     closeSession: Effect.fnUntraced(function* (params) {
       yield* input.turn.close(params.sessionId)

packages/cli/src/acp/translate.ts

@@ -6,17 +6,16 @@ import type {
   SessionStructuredError,
   TokenUsageInfo,
 } from "@opencode/client/promise"
-import { Event } from "@opencode/schema/event"
-import { SessionMessage } from "@opencode/schema/session-message"
 import { TokenUsage } from "@opencode/schema/token-usage"
+import { ACPCompaction } from "./compaction"
 import { partsToContentChunks, type ReplayPart } from "./content"
 import { ACPError } from "./error"
+import type { ACPService } from "./service"
 import { completedToolUpdate, errorToolUpdate, pendingToolCall, runningToolUpdate, type ToolInput } from "./tool"
 
 export const ChildSessionUpdatesCapability = "opencode/child-session-updates"
 export const ChildSessionUpdateMethod = "opencode/session/child_update"
 const RetryMeta = "opencode/retry"
-const CompactionMeta = "opencode/compaction"
 
 export type TurnStart = { readonly type: "input" | "compaction"; readonly id: string }
 
@@ -27,6 +26,8 @@ export type Context = {
   readonly cwd: string
   readonly start: TurnStart
   readonly childUpdates: boolean
+  /** Whether the client advertised `session.compaction`, so compactions use the standard session updates. */
+  readonly compaction: boolean
   /** A background consumer follows open children after the parent turn ends; it never writes `session/update`. */
   readonly mode: "turn" | "background"
 }
@@ -72,7 +73,7 @@ export type TurnState = {
   readonly started: boolean
   readonly tools: ReadonlyMap<string, Tool>
   readonly retries: ReadonlyMap<string, RetryStatus>
-  readonly compactions: ReadonlyMap<string, string>
+  readonly compactions: ACPCompaction.Tracked
   readonly children: ReadonlyMap<string, ChildSession>
   readonly openChildren: ReadonlySet<string>
   /** Forms asked of the client that the server has not yet answered or cancelled. */
@@ -110,18 +111,6 @@ export type Step = {
   readonly terminal?: Terminal
 }
 
-type CompactionEvent = Extract<
-  EventSubscribeOutput,
-  { readonly type: "session.compaction.started" | "session.compaction.ended" | "session.compaction.failed" }
->
-
-type CompactionMarker = {
-  readonly status: "started" | "completed" | "failed"
-  readonly messageId: string
-  readonly reason: "auto" | "manual"
-  readonly error?: SessionStructuredError
-}
-
 export const initial: TurnState = {
   started: false,
   tools: new Map(),
@@ -207,11 +196,20 @@ export function step(state: TurnState, event: EventSubscribeOutput, ctx: Context
     case "session.compaction.started":
     case "session.compaction.ended":
     case "session.compaction.failed": {
-      const compacted = compactionMarker(event, state.compactions)
-      return {
-        state: { ...state, compactions: compacted.compactions },
-        outputs: compacted.marker ? send(compactionUpdate(compacted.marker)) : [],
-      }
+      const applied = ACPCompaction.apply(
+        event,
+        state.compactions,
+        ACPCompaction.usesStandardUpdates(ctx, child !== undefined),
+      )
+      return { state: { ...state, compactions: applied.tracked }, outputs: applied.updates.flatMap(send) }
+    }
+    case "session.compaction.delta": {
+      const update = ACPCompaction.chunk(
+        state.compactions.get(eventSessionID),
+        event.data.text,
+        ACPCompaction.usesStandardUpdates(ctx, child !== undefined),
+      )
+      return { state, outputs: update ? send(update) : [] }
     }
     case "session.text.delta":
       return {
@@ -378,29 +376,42 @@ export function response(state: TurnState, sessionID: string, terminal: Terminal
   return { stopReason, ...(usage ? { usage } : {}), _meta: retry ? { [RetryMeta]: retry } : {} }
 }
 
-/** Fails the tools a cancelled turn left open, for when the server's wind-down never reports them. */
-export function abandonTools(state: TurnState, ctx: Context): Step {
+/**
+ * Fails the tools and cancels the session's compaction a cancelled turn left open, for when the server's wind-down
+ * never reports them. Child compactions are left to the consumer that follows children after the turn.
+ */
+export function abandon(state: TurnState, ctx: Context): Step {
+  const compaction = state.compactions.get(ctx.sessionID)
   return {
-    state: { ...state, tools: new Map() },
-    outputs: [...state.tools.values()].flatMap((tool) =>
-      route(ctx, state.children.get(tool.sessionID), {
-        sessionUpdate: "tool_call_update",
-        ...errorToolUpdate({
-          toolCallId: tool.id,
-          toolName: tool.name,
-          input: tool.input,
-          metadata: tool.metadata,
-          content: [],
-          error: "Cancelled",
-          cwd: ctx.cwd,
+    state: { ...state, tools: new Map(), compactions: without(state.compactions, ctx.sessionID) },
+    outputs: [
+      ...[...state.tools.values()].flatMap((tool) =>
+        route(ctx, state.children.get(tool.sessionID), {
+          sessionUpdate: "tool_call_update",
+          ...errorToolUpdate({
+            toolCallId: tool.id,
+            toolName: tool.name,
+            input: tool.input,
+            metadata: tool.metadata,
+            content: [],
+            error: "Cancelled",
+            cwd: ctx.cwd,
+          }),
         }),
-      }),
-    ),
+      ),
+      ...(compaction
+        ? route(ctx, undefined, ACPCompaction.abandon(compaction, ACPCompaction.usesStandardUpdates(ctx, false)))
+        : []),
+    ],
   }
 }
 
 /** Lazy, so a message that fails to translate part way still replays the updates before the failure. */
-export function* replayMessage(message: SessionMessageInfo, cwd: string): Generator<SessionUpdate> {
+export function* replayMessage(
+  message: SessionMessageInfo,
+  cwd: string,
+  capabilities: ACPService.Capabilities,
+): Generator<SessionUpdate> {
   if (message.type === "user") {
     yield { sessionUpdate: "user_message_chunk", messageId: message.id, content: { type: "text", text: message.text } }
     const files: ReplayPart[] = (message.files ?? []).map((file) => ({
@@ -413,14 +424,9 @@ export function* replayMessage(message: SessionMessageInfo, cwd: string): Genera
       yield { sessionUpdate: "user_message_chunk", messageId: message.id, ...chunk }
     return
   }
-  // A running compaction has no live turn on this connection to settle it, so replay only settled ones.
-  if (message.type === "compaction" && message.status !== "running") {
-    yield compactionUpdate({
-      status: message.status,
-      messageId: message.id,
-      reason: message.reason,
-      ...(message.status === "failed" ? { error: message.error } : {}),
-    })
+  if (message.type === "compaction") {
+    const update = ACPCompaction.replay(message, capabilities.compaction)
+    if (update) yield update
     return
   }
   if (message.type !== "assistant") return
@@ -567,40 +573,18 @@ function toolKey(sessionID: string, id: string) {
   return `${sessionID}:${id}`
 }
 
-// Message IDs follow core's compaction message projection, so live markers match replayed ones.
-function compactionMarker(event: CompactionEvent, compactions: ReadonlyMap<string, string>) {
-  const sessionID = event.data.sessionID
-  if (event.type === "session.compaction.started") {
-    const messageId = event.data.inputID ?? SessionMessage.ID.fromEvent(Event.ID.make(event.id))
-    const marker: CompactionMarker = { status: "started", messageId, reason: event.data.reason }
-    return { marker, compactions: new Map(compactions).set(sessionID, messageId) }
-  }
-  const tracked = compactions.get(sessionID)
-  const remaining = without(compactions, sessionID)
-  if (event.type === "session.compaction.ended") {
-    const marker: CompactionMarker | undefined = tracked
-      ? { status: "completed", messageId: tracked, reason: event.data.reason }
-      : undefined
-    return { marker, compactions: remaining }
-  }
-  // Automatic compaction can fail before it starts, for example when there is nothing to compact yet.
-  const marker: CompactionMarker = {
-    status: "failed",
-    messageId: tracked ?? event.data.inputID ?? SessionMessage.ID.fromEvent(Event.ID.make(event.id)),
-    reason: event.data.reason,
-    error: event.data.error,
-  }
-  return { marker, compactions: remaining }
-}
-
-function compactionUpdate(marker: CompactionMarker): SessionUpdate {
-  return { sessionUpdate: "session_info_update", _meta: { [CompactionMeta]: marker } }
-}
-
 function projectChildUpdate(update: SessionUpdate, child: ChildSession) {
   const projected = { ...update }
-  projected._meta = {
-    ...projected._meta,
+  projected._meta = { ...projected._meta, ...childSessionMeta(child) }
+  if (projected.sessionUpdate === "tool_call" || projected.sessionUpdate === "tool_call_update") {
+    projected.toolCallId = `${child.id}:${projected.toolCallId}`
+    if (projected.title && child.title) projected.title = `${child.title}: ${projected.title}`
+  }
+  return projected
+}
+
+export function childSessionMeta(child: ChildSession) {
+  return {
     "opencode/child-session": {
       id: child.id,
       parentID: child.parentID,
@@ -608,11 +592,6 @@ function projectChildUpdate(update: SessionUpdate, child: ChildSession) {
       ...(child.title ? { title: child.title } : {}),
     },
   }
-  if (projected.sessionUpdate === "tool_call" || projected.sessionUpdate === "tool_call_update") {
-    projected.toolCallId = `${child.id}:${projected.toolCallId}`
-    if (projected.title && child.title) projected.title = `${child.title}: ${projected.title}`
-  }
-  return projected
 }
 
 function matchesStart(event: EventSubscribeOutput, start: TurnStart) {

packages/cli/src/acp/turn.ts

@@ -142,7 +142,7 @@ export const make = Effect.fnUntraced(function* (input: {
         clientSessionID: ctx.sessionID,
         cwd: ctx.cwd,
         tool: ask.tool,
-        ...(ask.child ? { toolCallPrefix: ask.child.id, titlePrefix: ask.child.title } : {}),
+        child: ask.child,
       },
       Deferred.await(subscription.cancelled),
     )
@@ -161,7 +161,7 @@ export const make = Effect.fnUntraced(function* (input: {
         return Effect.gen(function* () {
           const capabilities = yield* Ref.get(input.capabilities)
           const requestedSchema = ACPElicitation.requestedSchema(output.form, capabilities)
-          if (!requestedSchema) return yield* ACPElicitation.cancel(input.client, output.form)
+          if (!requestedSchema) return yield* ACPElicitation.cancelUnshown(input.client, output.form)
           const settled = yield* Deferred.make<void>()
           subscription.forms.set(output.form.id, settled)
           yield* Queue.offer(
@@ -251,7 +251,7 @@ export const make = Effect.fnUntraced(function* (input: {
     ACPPromise.promise(() => input.client.session.interrupt({ sessionID })).pipe(Effect.ignoreCause)
 
   // Rejects pending asks, interrupts the server once, then forwards its wind-down until the terminal event or the
-  // timeout. Tools still open at the timeout are reported failed so the client never shows them running.
+  // timeout. Tools and a compaction still open at the timeout are settled so the client never shows them running.
   const windDown = Effect.fnUntraced(function* (
     subscription: Subscription,
     ctx: ACPTranslate.Context,
@@ -263,7 +263,7 @@ export const make = Effect.fnUntraced(function* (input: {
     if (!(yield* Ref.get(state)).started) return
     if (Option.isSome(yield* Fiber.await(events).pipe(Effect.timeoutOption(drainTimeout)))) return
     yield* Fiber.interrupt(events)
-    const abandoned = ACPTranslate.abandonTools(yield* Ref.get(state), ctx)
+    const abandoned = ACPTranslate.abandon(yield* Ref.get(state), ctx)
     yield* Ref.set(state, abandoned.state)
     yield* Effect.forEach(abandoned.outputs, (output) => interpret(subscription, ctx, output), { discard: true }).pipe(
       Effect.ignore,
@@ -352,17 +352,15 @@ export const make = Effect.fnUntraced(function* (input: {
   )
 
   // Forked uninterruptible: interruption reaches only `execute`, so the fiber still settles with a response.
-  const run = Effect.fn("cli.acp.turn.run")(function* (
-    attached: Attached,
-    prompt: PreparedPrompt,
-    childUpdates: boolean,
-  ) {
+  const run = Effect.fn("cli.acp.turn.run")(function* (attached: Attached, prompt: PreparedPrompt) {
+    const capabilities = yield* Ref.get(input.capabilities)
     const state = yield* Ref.make(ACPTranslate.initial)
     const ctx: ACPTranslate.Context = {
       sessionID: attached.id,
       cwd: attached.cwd,
       start: prompt.start,
-      childUpdates,
+      childUpdates: capabilities.childSessionUpdates,
+      compaction: capabilities.compaction,
       mode: "turn",
     }
     const exit = yield* Effect.exit(Effect.interruptible(execute(attached, prompt, ctx, state)))
@@ -373,7 +371,9 @@ export const make = Effect.fnUntraced(function* (input: {
     prompt: Effect.fn("cli.acp.turn.prompt")(function* (params, signal) {
       const attached = yield* input.sessions.require(params.sessionId)
       const catalog = yield* input.catalog.get(attached.cwd)
-      const childUpdates = (yield* Ref.get(input.capabilities)).childSessionUpdates
+      if (params.prompt.some((block) => block.type === "image" && !block.data && !block.uri)) {
+        return yield* new ACPError.InvalidRequestError({ message: "image content has no data or uri", field: "prompt" })
+      }
       const parts = yield* Effect.forEach(promptContentToParts(params.prompt), referenceUnreadableFile, {
         concurrency: "unbounded",
       })
@@ -388,7 +388,7 @@ export const make = Effect.fnUntraced(function* (input: {
             }),
           )
         }
-        const forked = Effect.runForkWith(fiber.context)(run(attached, prompt, childUpdates), { uninterruptible: true })
+        const forked = Effect.runForkWith(fiber.context)(run(attached, prompt), { uninterruptible: true })
         FiberMap.setUnsafe(turns, attached.id, forked)
         return Effect.succeed(forked)
       })

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

@@ -2,30 +2,16 @@ import type { NewSessionResponse, PromptResponse } from "@agentclientprotocol/sd
 import { describe, expect, test } from "bun:test"
 import fs from "node:fs/promises"
 import path from "node:path"
-import { createAcpFixture, expectOk, initialize } from "./subprocess"
+import { createAcpFixture, expectOk, initialize, toolCallStream } from "./subprocess"
 
 // The first completion reads the file outside cwd; the follow-up completion ends the turn.
 function readingModel(file: () => string) {
   return (request: unknown) => {
     if (JSON.stringify(request).includes('"role":"tool"')) return "done"
-    return new Response(toolCall(file()), { headers: { "content-type": "text/event-stream" } })
+    return toolCallStream("call_read", "read", { path: file() })
   }
 }
 
-function toolCall(file: string) {
-  const call = { index: 0, id: "call_read", type: "function", function: { name: "read", arguments: "" } }
-  const chunks = [
-    { choices: [{ delta: { role: "assistant", tool_calls: [call] }, finish_reason: null }], usage: null },
-    {
-      choices: [{ delta: { tool_calls: [{ index: 0, function: { arguments: JSON.stringify({ path: file }) } }] } }],
-      usage: null,
-    },
-    { choices: [{ delta: {}, finish_reason: "tool_calls" }], usage: null },
-    { choices: [], usage: { prompt_tokens: 10, completion_tokens: 1, total_tokens: 11 } },
-  ]
-  return `${chunks.map((chunk) => `data: ${JSON.stringify(chunk)}\n\n`).join("")}data: [DONE]\n\n`
-}
-
 describe("acp additional directories subprocess", () => {
   test("tools read files in an additional directory without an external directory ask", async () => {
     const target = { file: "" }

packages/cli/test/acp/compaction.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, test } from "bun:test"
-import type { SessionNotification } from "@agentclientprotocol/sdk"
+import type { CompactionUpdate, SessionNotification } from "@agentclientprotocol/sdk"
 import { OpenCode, type OpenCodeEvent, type SessionMessageInfo } from "@opencode/client/promise"
 import { Event } from "@opencode/schema/event"
 import { SessionMessage } from "@opencode/schema/session-message"
@@ -7,8 +7,10 @@ import { Schema } from "effect"
 import {
   assistantMessage,
   childCreated,
+  delivered,
   durableEvent,
   ephemeralEvent,
+  interrupted,
   makeSession,
   startSession,
   startWire,
@@ -16,11 +18,14 @@ import {
   succeeded,
   textDelta,
   turn,
+  type InitializeOptions,
+  type Wire,
 } from "./wire-fixture"
 
 const summary = "Summary of the earlier conversation"
 const providerError = { type: "provider.error", message: "summary request failed", status: 500 }
 const decodeCompact = Schema.decodeUnknownSync(Schema.Struct({ id: Schema.String }))
+const standard: InitializeOptions = { compaction: {} }
 
 describe("acp compaction markers over the wire", () => {
   test("marks a /compact turn without forwarding the summary text", async () => {
@@ -191,10 +196,397 @@ describe("acp compaction markers over the wire", () => {
   })
 })
 
+describe("acp standard compaction updates over the wire", () => {
+  test("streams a /compact turn's summary and completes it with the full summary", async () => {
+    const compacted = await compactTurn(
+      (sessionID, id) => [
+        durableEvent("session.compaction.started", { sessionID, reason: "manual", recent: "", inputID: id }),
+        ephemeralEvent("session.compaction.delta", { sessionID, text: "Summary of " }),
+        ephemeralEvent("session.compaction.delta", { sessionID, text: "the earlier conversation" }),
+        durableEvent("session.compaction.ended", { sessionID, reason: "manual", text: summary, recent: "" }),
+      ],
+      standard,
+    )
+    await using acp = compacted.acp
+
+    expect(turnUpdates(acp.updates)).toEqual([
+      compaction(acp.sessionId, { compactionId: compacted.id, status: "in_progress" }),
+      summaryChunk(acp.sessionId, compacted.id, "Summary of "),
+      summaryChunk(acp.sessionId, compacted.id, "the earlier conversation"),
+      compaction(acp.sessionId, {
+        compactionId: compacted.id,
+        status: "completed",
+        summary: [{ type: "text", text: summary }],
+      }),
+    ])
+    expect(compacted.response.stopReason).toBe("end_turn")
+  })
+
+  test("completes a compaction without a readable summary with a cleared summary", async () => {
+    await using acp = await startSession({
+      capabilities: standard,
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          durableEvent("session.compaction.started", { sessionID, reason: "auto", recent: "" }),
+          durableEvent("session.compaction.ended", { sessionID, reason: "auto", text: "", recent: "" }),
+          textDelta(sessionID, "msg_after", "after"),
+          stepEnded(sessionID, "msg_after"),
+        ),
+    })
+    using events = await watchEvents(acp.server.url)
+
+    await acp.prompt(acp.sessionId, "hello")
+
+    const compactionId = await events.messageID("session.compaction.started")
+    expect(turnUpdates(acp.updates)).toEqual([
+      compaction(acp.sessionId, { compactionId, status: "in_progress" }),
+      compaction(acp.sessionId, { compactionId, status: "completed", summary: null }),
+      chunk(acp.sessionId, "msg_after", "after"),
+    ])
+  })
+
+  test("fails a compaction with its error and clears the partial summary", async () => {
+    await using acp = await startSession({
+      capabilities: standard,
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          durableEvent("session.compaction.started", { sessionID, reason: "auto", recent: "" }),
+          ephemeralEvent("session.compaction.delta", { sessionID, text: "partial" }),
+          durableEvent("session.compaction.failed", { sessionID, reason: "auto", error: providerError }),
+        ),
+    })
+    using events = await watchEvents(acp.server.url)
+
+    await acp.prompt(acp.sessionId, "hello")
+
+    const compactionId = await events.messageID("session.compaction.started")
+    expect(turnUpdates(acp.updates)).toEqual([
+      compaction(acp.sessionId, { compactionId, status: "in_progress" }),
+      summaryChunk(acp.sessionId, compactionId, "partial"),
+      compaction(acp.sessionId, { compactionId, status: "failed", summary: null, error: providerError.message }),
+    ])
+  })
+
+  test("opens a compaction that fails before it starts before settling it", async () => {
+    await using acp = await startSession({
+      capabilities: standard,
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          durableEvent("session.compaction.failed", {
+            sessionID,
+            reason: "auto",
+            error: { type: "compaction.unavailable", message: "Nothing to compact yet" },
+          }),
+        ),
+    })
+    using events = await watchEvents(acp.server.url)
+
+    await acp.prompt(acp.sessionId, "hello")
+
+    const compactionId = await events.messageID("session.compaction.failed")
+    expect(turnUpdates(acp.updates)).toEqual([
+      compaction(acp.sessionId, { compactionId, status: "in_progress" }),
+      compaction(acp.sessionId, { compactionId, status: "failed", summary: null, error: "Nothing to compact yet" }),
+    ])
+  })
+
+  test("reports a defect as a generic failure and keeps core's own failure messages", async () => {
+    const limit = { type: "compaction.failed", message: "Compaction summary reached the output token limit" }
+    const defect = { type: "compaction.failed", message: "Error: database is locked\n    at run (compaction.ts:1:1)" }
+    await using acp = await startSession({
+      capabilities: standard,
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          durableEvent("session.compaction.started", { sessionID, reason: "auto", recent: "" }),
+          durableEvent("session.compaction.failed", { sessionID, reason: "auto", error: limit }),
+          durableEvent("session.compaction.started", { sessionID, reason: "auto", recent: "" }),
+          durableEvent("session.compaction.failed", { sessionID, reason: "auto", error: defect }),
+        ),
+    })
+    using events = await watchEvents(acp.server.url)
+
+    await acp.prompt(acp.sessionId, "hello")
+
+    const first = await events.messageID("session.compaction.started")
+    const second = await events.messageID("session.compaction.started")
+    expect(turnUpdates(acp.updates)).toEqual([
+      compaction(acp.sessionId, { compactionId: first, status: "in_progress" }),
+      compaction(acp.sessionId, { compactionId: first, status: "failed", summary: null, error: limit.message }),
+      compaction(acp.sessionId, { compactionId: second, status: "in_progress" }),
+      compaction(acp.sessionId, { compactionId: second, status: "failed", summary: null, error: "Compaction failed" }),
+    ])
+  })
+
+  test("drops summary chunks outside an open compaction", async () => {
+    await using acp = await startSession({
+      capabilities: standard,
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          ephemeralEvent("session.compaction.delta", { sessionID, text: "early" }),
+          durableEvent("session.compaction.started", { sessionID, reason: "auto", recent: "" }),
+          durableEvent("session.compaction.ended", { sessionID, reason: "auto", text: summary, recent: "" }),
+          ephemeralEvent("session.compaction.delta", { sessionID, text: "late" }),
+        ),
+    })
+    using events = await watchEvents(acp.server.url)
+
+    await acp.prompt(acp.sessionId, "hello")
+
+    const compactionId = await events.messageID("session.compaction.started")
+    expect(turnUpdates(acp.updates)).toEqual([
+      compaction(acp.sessionId, { compactionId, status: "in_progress" }),
+      compaction(acp.sessionId, { compactionId, status: "completed", summary: [{ type: "text", text: summary }] }),
+    ])
+  })
+
+  test("cancels a compaction the server interrupts during a cancelled turn's wind-down", async () => {
+    await using acp = await startSession({
+      capabilities: standard,
+      onPrompt: ({ sessionID, id }) => [
+        delivered(sessionID, id),
+        durableEvent("session.compaction.started", { sessionID, reason: "auto", recent: "" }),
+      ],
+      onInterrupt: ({ sessionID }) => [
+        durableEvent("session.compaction.failed", {
+          sessionID,
+          reason: "auto",
+          error: { type: "compaction.interrupted", message: "Compaction was interrupted" },
+        }),
+        interrupted(sessionID),
+      ],
+    })
+    using events = await watchEvents(acp.server.url)
+
+    const prompt = acp.prompt(acp.sessionId, "hello")
+    await acp.waitForUpdate((item) => item.update.sessionUpdate === "compaction_update")
+    await acp.notify("session/cancel", { sessionId: acp.sessionId })
+
+    expect((await prompt).stopReason).toBe("cancelled")
+    const compactionId = await events.messageID("session.compaction.started")
+    expect(updatesBeforeResponse(acp)).toEqual([
+      compaction(acp.sessionId, { compactionId, status: "in_progress" }).update,
+      compaction(acp.sessionId, { compactionId, status: "cancelled", summary: null }).update,
+    ])
+  })
+
+  test("cancels a compaction left open when the wind-down never reports it", async () => {
+    const submitted: string[] = []
+    await using acp = await startSession({
+      capabilities: standard,
+      cancelDrainTimeout: "50 millis",
+      onPrompt: ({ sessionID, id }) => {
+        submitted.push(id)
+        return [
+          delivered(sessionID, id),
+          durableEvent("session.compaction.started", { sessionID, reason: "manual", recent: "", inputID: id }),
+          ephemeralEvent("session.compaction.delta", { sessionID, text: "partial" }),
+        ]
+      },
+    })
+
+    const prompt = acp.prompt(acp.sessionId, "hello")
+    await acp.waitForUpdate((item) => item.update.sessionUpdate === "compaction_summary_chunk")
+    await acp.notify("session/cancel", { sessionId: acp.sessionId })
+
+    expect((await prompt).stopReason).toBe("cancelled")
+    const compactionId = submitted[0]
+    expect(updatesBeforeResponse(acp)).toEqual([
+      compaction(acp.sessionId, { compactionId, status: "in_progress" }).update,
+      summaryChunk(acp.sessionId, compactionId, "partial").update,
+      compaction(acp.sessionId, { compactionId, status: "cancelled", summary: null }).update,
+    ])
+  })
+
+  test("closes the marker of a compaction left open when the wind-down never reports it", async () => {
+    const submitted: string[] = []
+    await using acp = await startSession({
+      cancelDrainTimeout: "50 millis",
+      onPrompt: ({ sessionID, id }) => {
+        submitted.push(id)
+        return [
+          delivered(sessionID, id),
+          durableEvent("session.compaction.started", { sessionID, reason: "manual", recent: "", inputID: id }),
+        ]
+      },
+    })
+
+    const prompt = acp.prompt(acp.sessionId, "hello")
+    await acp.waitForUpdate((item) => item.update.sessionUpdate === "session_info_update")
+    await acp.notify("session/cancel", { sessionId: acp.sessionId })
+
+    expect((await prompt).stopReason).toBe("cancelled")
+    const messageId = submitted[0]
+    expect(updatesBeforeResponse(acp)).toEqual([
+      marker(acp.sessionId, { status: "started", messageId, reason: "manual" }).update,
+      marker(acp.sessionId, {
+        status: "failed",
+        messageId,
+        reason: "manual",
+        error: { type: "aborted", message: "Compaction cancelled" },
+      }).update,
+    ])
+  })
+
+  test("keeps child compactions projected onto the parent as markers", async () => {
+    await using acp = await startSession({
+      capabilities: standard,
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          childCreated("ses_child", sessionID, "Explore"),
+          durableEvent("session.compaction.started", { sessionID: "ses_child", reason: "auto", recent: "" }),
+          ephemeralEvent("session.compaction.delta", { sessionID: "ses_child", text: summary }),
+          durableEvent("session.compaction.ended", {
+            sessionID: "ses_child",
+            reason: "auto",
+            text: summary,
+            recent: "",
+          }),
+          succeeded("ses_child"),
+        ),
+    })
+    using events = await watchEvents(acp.server.url)
+
+    await acp.prompt(acp.sessionId, "hello")
+
+    const messageId = await events.messageID("session.compaction.started")
+    const child = { id: "ses_child", parentID: acp.sessionId, depth: 1, title: "Explore" }
+    expect(turnUpdates(acp.updates).map((item) => item.update._meta)).toEqual([
+      { "opencode/compaction": { status: "started", messageId, reason: "auto" }, "opencode/child-session": child },
+      { "opencode/compaction": { status: "completed", messageId, reason: "auto" }, "opencode/child-session": child },
+    ])
+  })
+
+  test("sends child compactions as standard updates through child session updates", async () => {
+    await using acp = await startSession({
+      capabilities: { ...standard, childSessionUpdates: true },
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          childCreated("ses_child", sessionID, "Explore"),
+          durableEvent("session.compaction.started", { sessionID: "ses_child", reason: "auto", recent: "" }),
+          durableEvent("session.compaction.ended", {
+            sessionID: "ses_child",
+            reason: "auto",
+            text: summary,
+            recent: "",
+          }),
+          succeeded("ses_child"),
+        ),
+    })
+    using events = await watchEvents(acp.server.url)
+
+    await acp.prompt(acp.sessionId, "hello")
+
+    const compactionId = await events.messageID("session.compaction.started")
+    const child = { "opencode/child-session": { id: "ses_child", parentID: acp.sessionId, depth: 1, title: "Explore" } }
+    expect(acp.childUpdates.flatMap((item) => (item.type === "update" ? [item.update] : []))).toEqual([
+      { sessionUpdate: "compaction_update", compactionId, status: "in_progress", _meta: child },
+      {
+        sessionUpdate: "compaction_update",
+        compactionId,
+        status: "completed",
+        summary: [{ type: "text", text: summary }],
+        _meta: child,
+      },
+    ])
+    expect(turnUpdates(acp.updates)).toEqual([])
+  })
+
+  test("replays settled compactions as terminal updates at their position on session/load", async () => {
+    await using acp = await startWire()
+    acp.server.sessions.set("ses_compacted", makeSession("ses_compacted"))
+    acp.server.messages.set("ses_compacted", [
+      ...compactedHistory().slice(0, 3),
+      {
+        id: "msg_compaction_cancelled",
+        type: "compaction",
+        status: "failed",
+        reason: "manual",
+        error: { type: "aborted", message: "Compaction cancelled" },
+        time: { created: 3 },
+      },
+      {
+        id: "msg_compaction_native",
+        type: "compaction",
+        status: "completed",
+        reason: "auto",
+        summary: "",
+        recent: "",
+        time: { created: 3 },
+      },
+      ...compactedHistory().slice(3),
+    ])
+    await acp.initialize(standard)
+
+    await acp.request("session/load", { cwd: "/workspace", sessionId: "ses_compacted", mcpServers: [] })
+
+    expect(turnUpdates(acp.updates)).toEqual([
+      {
+        sessionId: "ses_compacted",
+        update: {
+          sessionUpdate: "user_message_chunk",
+          messageId: "msg_user",
+          content: { type: "text", text: "hello" },
+        },
+      },
+      compaction("ses_compacted", {
+        compactionId: "msg_compaction_failed",
+        status: "failed",
+        summary: null,
+        error: providerError.message,
+      }),
+      compaction("ses_compacted", {
+        compactionId: "msg_compaction",
+        status: "completed",
+        summary: [{ type: "text", text: summary }],
+      }),
+      compaction("ses_compacted", { compactionId: "msg_compaction_cancelled", status: "cancelled", summary: null }),
+      compaction("ses_compacted", { compactionId: "msg_compaction_native", status: "completed", summary: null }),
+      chunk("ses_compacted", "msg_after", "after"),
+    ])
+  })
+
+  test("treats a null compaction capability as unsupported", async () => {
+    const compacted = await compactTurn(
+      (sessionID, id) => [
+        durableEvent("session.compaction.started", { sessionID, reason: "manual", recent: "", inputID: id }),
+        ephemeralEvent("session.compaction.delta", { sessionID, text: summary }),
+        durableEvent("session.compaction.ended", { sessionID, reason: "manual", text: summary, recent: "" }),
+      ],
+      { compaction: null },
+    )
+    await using acp = compacted.acp
+
+    expect(turnUpdates(acp.updates)).toEqual([
+      marker(acp.sessionId, { status: "started", messageId: compacted.id, reason: "manual" }),
+      marker(acp.sessionId, { status: "completed", messageId: compacted.id, reason: "manual" }),
+    ])
+  })
+})
+
 // Holds the compact response so the test can publish the turn's events while the request is in flight.
-async function compactTurn(events: (sessionID: string, id: string) => OpenCodeEvent[]) {
+async function compactTurn(
+  events: (sessionID: string, id: string) => OpenCodeEvent[],
+  capabilities?: InitializeOptions,
+) {
   const held = Promise.withResolvers<Response>()
-  const acp = await startSession({ fetch: (request) => (request.path.endsWith("/compact") ? held.promise : undefined) })
+  const acp = await startSession({
+    capabilities,
+    fetch: (request) => (request.path.endsWith("/compact") ? held.promise : undefined),
+  })
   const response = acp.prompt(acp.sessionId, "/compact")
   const request = await acp.until(
     () => acp.server.requests.find((item) => item.path.endsWith("/compact")),
@@ -227,10 +619,35 @@ function marker(sessionId: string, value: Record<string, unknown>): SessionNotif
   return { sessionId, update: { sessionUpdate: "session_info_update", _meta: { "opencode/compaction": value } } }
 }
 
+function compaction(sessionId: string, update: CompactionUpdate): SessionNotification {
+  return { sessionId, update: { sessionUpdate: "compaction_update", ...update } }
+}
+
+function summaryChunk(sessionId: string, compactionId: string, text: string): SessionNotification {
+  return {
+    sessionId,
+    update: { sessionUpdate: "compaction_summary_chunk", compactionId, content: { type: "text", text } },
+  }
+}
+
 function chunk(sessionId: string, messageId: string, text: string): SessionNotification {
   return { sessionId, update: { sessionUpdate: "agent_message_chunk", messageId, content: { type: "text", text } } }
 }
 
+const isCancelledResponse = Schema.is(
+  Schema.Struct({ result: Schema.Struct({ stopReason: Schema.Literal("cancelled") }) }),
+)
+
+// Session updates the client received before the cancelled prompt response.
+function updatesBeforeResponse(acp: Wire) {
+  const response = acp.received.findIndex(isCancelledResponse)
+  expect(response).toBeGreaterThan(-1)
+  const count = acp.received
+    .slice(0, response)
+    .filter((message) => "method" in message && message.method === "session/update").length
+  return turnUpdates(acp.updates.slice(0, count)).map((item) => item.update)
+}
+
 function turnUpdates(updates: readonly SessionNotification[]) {
   return updates.filter(
     (item) => item.update.sessionUpdate !== "available_commands_update" && item.update.sessionUpdate !== "usage_update",

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

@@ -45,22 +45,48 @@ describe("acp content conversion", () => {
     ])
   })
 
-  test("image block with http URI becomes a file part", () => {
+  test("image block with only a data URL URI becomes a file part", () => {
+    expect(
+      contentBlockToParts({ type: "image", data: "", mimeType: "image/png", uri: "data:image/png;base64,AAAA" }),
+    ).toEqual([{ type: "file", url: "data:image/png;base64,AAAA", filename: "image", mime: "image/png" }])
+  })
+
+  test("image block with only an http URI becomes a markdown link", () => {
     expect(
       contentBlockToParts({
         type: "image",
         data: "",
         mimeType: "image/jpeg",
-        uri: "http://example.com/assets/photo.jpg",
+        uri: "https://example.com/assets/photo.jpg",
       }),
-    ).toEqual([
-      {
-        type: "file",
-        url: "http://example.com/assets/photo.jpg",
-        filename: "photo.jpg",
-        mime: "image/jpeg",
-      },
+    ).toEqual([{ type: "text", text: "[photo.jpg](https://example.com/assets/photo.jpg)" }])
+    expect(
+      contentBlockToParts({ type: "image", data: "", mimeType: "image/png", uri: "https://example.com/" }),
+    ).toEqual([{ type: "text", text: "[image](https://example.com/)" }])
+    expect(
+      contentBlockToParts({ type: "image", data: "", mimeType: "image/png", uri: "http://example.com/a.png" }),
+    ).toEqual([{ type: "text", text: "[a.png](http://example.com/a.png)" }])
+  })
+
+  test("image block with only a URI of another scheme or a bare path becomes a markdown link", () => {
+    expect(contentBlockToParts({ type: "image", data: "", mimeType: "image/png", uri: "ftp://host/a.png" })).toEqual([
+      { type: "text", text: "[a.png](ftp://host/a.png)" },
     ])
+    expect(contentBlockToParts({ type: "image", data: "", mimeType: "image/png", uri: "assets/b.png" })).toEqual([
+      { type: "text", text: "[b.png](assets/b.png)" },
+    ])
+  })
+
+  test("image block with only a file URI becomes a file part", () => {
+    expect(
+      contentBlockToParts({ type: "image", data: "", mimeType: "image/png", uri: "file:///tmp/screenshot.png" }),
+    ).toEqual([{ type: "file", url: "file:///tmp/screenshot.png", filename: "screenshot.png", mime: "image/png" }])
+  })
+
+  test("image block with only a zed path becomes a file part named after the path", () => {
+    expect(
+      contentBlockToParts({ type: "image", data: "", mimeType: "image/png", uri: "zed://file?path=/tmp/shot.png" }),
+    ).toEqual([{ type: "file", url: pathToFileURL("/tmp/shot.png").href, filename: "shot.png", mime: "image/png" }])
   })
 
   test("resource_link file URL becomes a file part with name and fallback mime", () => {

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

@@ -45,7 +45,7 @@ const questions = (sessionID: string, id = "frm_question", tool = "call_question
     },
   })
 
-const capable = { childSessionUpdates: false, formElicitation: true }
+const capable = { childSessionUpdates: false, formElicitation: true, compaction: false }
 
 const form = (
   fields: ACPElicitation.AskedForm["fields"],
@@ -191,6 +191,8 @@ describe("acp elicitation mapping", () => {
       [{ key: "api_key", type: "string" }],
       [{ key: "q0", title: "GitHub token", type: "string" }],
       [{ key: "q0", title: "Password", type: "string", hidden: true, default: "" }],
+      [{ key: "q0", title: "Setup", description: "Paste your API key", type: "string" }],
+      [{ key: "q0", title: "Setup", type: "string", options: [{ value: "a", label: "Use my access token" }] }],
     ]
     expect(credentials.map((fields) => ACPElicitation.requestedSchema(form(fields), capable))).toEqual(
       credentials.map(() => undefined),
@@ -332,6 +334,7 @@ describe("acp elicitation over the wire", () => {
     expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
     expect(acp.elicitations).toHaveLength(ids.length)
     expect(acp.server.cancelledForms.map((item) => item.formID)).toEqual(ids)
+    expect(acp.server.cancelledForms.map((item) => item.message)).toEqual(ids.map(() => undefined))
     expect(acp.server.repliedForms).toEqual([])
     expect(acp.server.interrupts).toEqual([])
   })
@@ -359,6 +362,62 @@ describe("acp elicitation over the wire", () => {
     expect(acp.server.cancelledForms).toEqual([{ sessionID: acp.sessionId, formID: "frm_plugin" }])
   })
 
+  test("cancels a question that looks like it asks for a credential with a message for the model", async () => {
+    await using acp = await startSession({
+      capabilities: { elicitation: true },
+      onPrompt: ({ sessionID, id }) => [
+        delivered(sessionID, id),
+        ephemeralEvent("form.created", {
+          form: {
+            id: "frm_token",
+            sessionID,
+            title: "Questions",
+            metadata: { kind: "question", tool: { messageID: "msg_tools", id: "call_question" } },
+            fields: [
+              {
+                key: "q0",
+                title: "Setup",
+                description: "Paste your API key",
+                type: "string",
+                options: [{ value: "Later", label: "Later" }],
+                custom: true,
+              },
+            ],
+          },
+        }),
+      ],
+      onFormCancel: ({ sessionID }) => [succeeded(sessionID)],
+    })
+
+    expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
+    expect(acp.elicitations).toEqual([])
+    expect(acp.server.cancelledForms).toEqual([
+      { sessionID: acp.sessionId, formID: "frm_token", message: ACPElicitation.UnshownQuestionMessage },
+    ])
+  })
+
+  test("cancels other forms it cannot show without a message", async () => {
+    await using acp = await startSession({
+      onPrompt: ({ sessionID, id }) => [
+        delivered(sessionID, id),
+        ephemeralEvent("form.created", {
+          form: {
+            id: "frm_websearch",
+            sessionID,
+            title: "Web search provider",
+            metadata: { kind: "websearch.provider" },
+            fields: [{ key: "provider", type: "string", options: [{ value: "exa", label: "Exa" }] }],
+          },
+        }),
+      ],
+      onFormCancel: ({ sessionID }) => [succeeded(sessionID)],
+    })
+
+    expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
+    expect(acp.elicitations).toEqual([])
+    expect(acp.server.cancelledForms).toEqual([{ sessionID: acp.sessionId, formID: "frm_websearch" }])
+  })
+
   test("cancelling the turn cancels its pending elicitation and the form, and never sends queued ones", async () => {
     await using acp = await startSession({
       capabilities: { elicitation: true },

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

@@ -1,5 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import type { AnyRequest, RequestPermissionResponse } from "@agentclientprotocol/sdk"
+import { createTwoFilesPatch } from "diff"
 import { Cause } from "effect"
 import fs from "node:fs/promises"
 import path from "node:path"
@@ -31,6 +32,10 @@ describe("acp permissions over the wire", () => {
         turn(
           sessionID,
           id,
+          toolStarted(sessionID, "call_once", "shell"),
+          toolCalled(sessionID, "call_once", { command: "printf hello" }),
+          toolStarted(sessionID, "call_always", "read"),
+          toolCalled(sessionID, "call_always", { path: "/workspace/file.ts" }),
           permissionAsked(sessionID, "perm_once", {
             action: "shell",
             metadata: { command: "printf hello" },
@@ -101,8 +106,84 @@ describe("acp permissions over the wire", () => {
     expect(acp.permissions[0]?.toolCall).toMatchObject({
       title: "/tmp/outside",
       locations: [{ path: "/tmp/outside/a.ts" }],
-      rawInput: { filepath: "/tmp/outside/a.ts", parentDir: "/tmp/outside" },
     })
+    expect(acp.permissions[0]?.toolCall).not.toHaveProperty("rawInput")
+  })
+
+  test("locates path resources without glob patterns when the ask has no tool locations", async () => {
+    await using acp = await startSession({
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          permissionAsked(sessionID, "perm_external", {
+            action: "external_directory",
+            resources: ["/tmp/outside/*", "/tmp/other/*", "/tmp/outside/*"],
+            metadata: {},
+          }),
+          permissionAsked(sessionID, "perm_read", {
+            action: "read",
+            resources: ["src/[slug].ts", "src/{a,b}.ts", "**/*.ts", "src/?.ts"],
+          }),
+          permissionAsked(sessionID, "perm_search", { action: "websearch", resources: ["acp spec"] }),
+        ),
+      permission: allowOnce,
+    })
+
+    await acp.prompt(acp.sessionId, "hello")
+
+    expect(acp.permissions.map((request) => request.toolCall.locations)).toEqual([
+      [{ path: "/tmp/outside" }, { path: "/tmp/other" }],
+      [{ path: path.resolve("/workspace", "src/[slug].ts") }, { path: path.resolve("/workspace", "src/{a,b}.ts") }],
+      [],
+    ])
+  })
+
+  test("asks under the permission ID when ACP does not track the asking tool call", async () => {
+    await using acp = await startSession({
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          permissionAsked(sessionID, "perm_untracked", {
+            source: { type: "tool", messageID: "msg_tools", id: "call_untracked" },
+          }),
+        ),
+      permission: allowOnce,
+    })
+
+    await acp.prompt(acp.sessionId, "hello")
+
+    expect(acp.permissions.map((request) => request.toolCall.toolCallId)).toEqual(["perm_untracked"])
+    expect(acp.permissions[0]?.toolCall).not.toHaveProperty("rawInput")
+  })
+
+  test("asks about a tracked tool call with its own input", async () => {
+    await using acp = await startSession({
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          toolStarted(sessionID, "call_read", "read"),
+          toolCalled(sessionID, "call_read", { path: "/workspace/file.ts" }),
+          permissionAsked(sessionID, "perm_read", {
+            action: "read",
+            metadata: { files: ["file.ts"] },
+            source: { type: "tool", messageID: "msg_read", id: "call_read" },
+          }),
+        ),
+      permission: allowOnce,
+    })
+
+    await acp.prompt(acp.sessionId, "hello")
+
+    const running = acp.updates.flatMap((item) =>
+      item.update.sessionUpdate === "tool_call_update" && item.update.status === "in_progress"
+        ? [item.update.rawInput]
+        : [],
+    )
+    expect(running).toEqual([{ path: "/workspace/file.ts" }])
+    expect(acp.permissions[0]?.toolCall).toMatchObject({ toolCallId: "call_read", rawInput: running[0] })
   })
 
   test("routes foreground child permissions through the parent ACP session", async () => {
@@ -113,9 +194,10 @@ describe("acp permissions over the wire", () => {
           id,
           childCreated("ses_child", sessionID, "Review code"),
           durableEvent("session.execution.started", { sessionID: "ses_child" }),
+          toolStarted("ses_child", "call_child", "read"),
+          toolCalled("ses_child", "call_child", { path: "/workspace/child.ts" }),
           permissionAsked("ses_child", "perm_child", {
             action: "read",
-            metadata: { path: "/workspace/child.ts" },
             source: { type: "tool", messageID: "msg_child", id: "call_child" },
           }),
           succeeded("ses_child"),
@@ -125,11 +207,17 @@ describe("acp permissions over the wire", () => {
 
     await acp.prompt(acp.sessionId, "hello")
 
+    const childMeta = {
+      "opencode/child-session": { id: "ses_child", parentID: acp.sessionId, depth: 1, title: "Review code" },
+    }
     expect(acp.permissions).toHaveLength(1)
     expect(acp.permissions[0]).toMatchObject({
       sessionId: acp.sessionId,
-      toolCall: { toolCallId: "ses_child:call_child", title: "Review code: /workspace/child.ts" },
+      toolCall: { toolCallId: "ses_child:call_child", title: "Review code: /workspace/child.ts", _meta: childMeta },
     })
+    expect(
+      acp.updates.flatMap((item) => (item.update.sessionUpdate === "tool_call" ? [item.update._meta] : [])),
+    ).toEqual([childMeta])
     expect(acp.server.replies).toEqual([{ sessionID: "ses_child", requestID: "perm_child", decision: "once" }])
   })
 
@@ -149,10 +237,17 @@ describe("acp permissions over the wire", () => {
     )
     await acp.until(() => acp.server.replies.length === 1, "background permission reply")
 
+    const childMeta = {
+      "opencode/child-session": { id: "ses_background", parentID: acp.sessionId, depth: 1, title: "Research" },
+    }
     expect(acp.permissions).toMatchObject([
       {
         sessionId: acp.sessionId,
-        toolCall: { toolCallId: "ses_background:perm_background", title: "Research: /workspace/notes.md" },
+        toolCall: {
+          toolCallId: "ses_background:perm_background",
+          title: "Research: /workspace/notes.md",
+          _meta: childMeta,
+        },
       },
     ])
     expect(acp.server.replies).toEqual([
@@ -353,27 +448,24 @@ describe("acp permissions over the wire", () => {
 })
 
 describe("acp edit previews over the wire", () => {
-  test("previews edits during approval", async () => {
+  test("previews core's edit diff during approval", async () => {
     await using dir = await tmpdir()
     const file = path.join(dir.path, "file.ts")
-    await fs.writeFile(file, "before")
+    await fs.writeFile(file, "one\r\ntwo\r\n")
     await using acp = await startWire({
-      onPrompt: ({ sessionID, id }) => [
-        delivered(sessionID, id),
-        toolStarted(sessionID, "call_edit", "edit"),
-        toolCalled(sessionID, "call_edit", { path: "file.ts", oldString: "before", newString: "after" }),
-        permissionAsked(sessionID, "perm_edit", {
-          action: "edit",
-          source: { type: "tool", messageID: "msg_edit", id: "call_edit" },
-        }),
-      ],
-      onPermissionReply: async ({ sessionID }) => {
-        await fs.writeFile(file, "after")
-        return [
-          toolSucceeded(sessionID, "call_edit", { files: [{ file: "file.ts" }], replacements: 1 }, "edited"),
-          succeeded(sessionID),
-        ]
-      },
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          toolStarted(sessionID, "call_edit", "edit"),
+          toolCalled(sessionID, "call_edit", { path: "file.ts", oldString: "one\ntwo", newString: "one\nthree" }),
+          permissionAsked(sessionID, "perm_edit", {
+            action: "edit",
+            resources: ["file.ts"],
+            metadata: { files: [fileDiff("file.ts", "one\r\ntwo\r\n", "one\r\nthree\r\n")] },
+            source: { type: "tool", messageID: "msg_edit", id: "call_edit" },
+          }),
+        ),
       permission: allowOnce,
     })
     await acp.initialize()
@@ -385,7 +477,7 @@ describe("acp edit previews over the wire", () => {
       title: "file.ts",
       kind: "edit",
       locations: [{ path: file }],
-      content: [{ type: "diff", path: file, oldText: "before", newText: "after" }],
+      content: [{ type: "diff", path: file, oldText: "one\r\ntwo\r\n", newText: "one\r\nthree\r\n" }],
     })
   })
 
@@ -445,6 +537,85 @@ describe("acp edit previews over the wire", () => {
     })
   })
 
+  test("previews added files as new and deleted files as empty", async () => {
+    await using dir = await tmpdir()
+    await fs.writeFile(path.join(dir.path, "gone.ts"), "gone\n")
+    const patchText = ["*** Begin Patch", "*** Add File: added.ts", "+one", "*** End Patch"].join("\n")
+    await using acp = await startWire({
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          toolStarted(sessionID, "call_write", "write"),
+          toolCalled(sessionID, "call_write", { path: "written.ts", content: "two\n" }),
+          permissionAsked(sessionID, "perm_write", {
+            action: "edit",
+            metadata: { files: [fileDiff("written.ts", "", "two\n", "added")] },
+            source: { type: "tool", messageID: "msg_write", id: "call_write" },
+          }),
+          toolStarted(sessionID, "call_patch", "patch"),
+          toolCalled(sessionID, "call_patch", { patchText }),
+          permissionAsked(sessionID, "perm_patch", {
+            action: "edit",
+            source: { type: "tool", messageID: "msg_patch", id: "call_patch" },
+          }),
+          permissionAsked(sessionID, "perm_delete", {
+            action: "edit",
+            metadata: { files: [fileDiff("gone.ts", "gone\n", "", "deleted")] },
+          }),
+        ),
+      permission: allowOnce,
+    })
+    await acp.initialize()
+    const session = await acp.newSession(dir.path)
+
+    await acp.prompt(session.sessionId, "hello")
+
+    expect(acp.permissions.map((request) => request.toolCall.content)).toEqual([
+      [{ type: "diff", path: path.join(dir.path, "written.ts"), oldText: null, newText: "two\n" }],
+      [{ type: "diff", path: path.join(dir.path, "added.ts"), oldText: null, newText: "one\n" }],
+      [{ type: "diff", path: path.join(dir.path, "gone.ts"), oldText: "gone\n", newText: "" }],
+    ])
+  })
+
+  test("asks without previews when core's diff no longer applies or the file cannot be read", async () => {
+    await using dir = await tmpdir()
+    await fs.writeFile(path.join(dir.path, "file.ts"), "changed\n")
+    await fs.mkdir(path.join(dir.path, "folder"))
+    await using acp = await startWire({
+      onPrompt: ({ sessionID, id }) =>
+        turn(
+          sessionID,
+          id,
+          permissionAsked(sessionID, "perm_stale", {
+            action: "edit",
+            resources: ["file.ts"],
+            metadata: { files: [fileDiff("file.ts", "one\n", "two\n")] },
+          }),
+          permissionAsked(sessionID, "perm_folder", {
+            action: "edit",
+            resources: ["folder"],
+            metadata: { files: [fileDiff("folder", "one\n", "two\n")] },
+          }),
+        ),
+      permission: allowOnce,
+    })
+    await acp.initialize()
+    const session = await acp.newSession(dir.path)
+
+    await acp.prompt(session.sessionId, "hello")
+
+    expect(acp.permissions.map((request) => request.toolCall)).toMatchObject([
+      { kind: "edit", locations: [{ path: path.join(dir.path, "file.ts") }] },
+      { kind: "edit", locations: [{ path: path.join(dir.path, "folder") }] },
+    ])
+    expect(acp.permissions.map((request) => request.toolCall.content)).toEqual([undefined, undefined])
+    expect(decisions(acp)).toEqual([
+      ["perm_stale", "once"],
+      ["perm_folder", "once"],
+    ])
+  })
+
   test("asks without previews when a patch does not apply to the current file", async () => {
     await using dir = await tmpdir()
     await fs.writeFile(path.join(dir.path, "first.ts"), "changed\n")
@@ -563,3 +734,7 @@ describe("acp edit previews over the wire", () => {
 function decisions(acp: Wire) {
   return acp.server.replies.map((reply) => [reply.requestID, reply.decision])
 }
+
+function fileDiff(file: string, before: string, after: string, status: "added" | "deleted" | "modified" = "modified") {
+  return { file, patch: createTwoFilesPatch(file, file, before, after), additions: 1, deletions: 1, status }
+}

packages/cli/test/acp/prompt-content.subprocess.test.ts

@@ -7,7 +7,7 @@ import { createAcpFixture, expectOk, initialize, newSession } from "./subprocess
 const tinyPng = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO+ip1sAAAAASUVORK5CYII="
 
 describe("acp prompt content subprocess", () => {
-  test("accepts embedded text resource image and file resource link prompt content", async () => {
+  test("accepts embedded text resource, inline and remote image, and file resource link prompt content", async () => {
     await using fixture = await createAcpFixture()
     await Bun.write(path.join(fixture.home, "README.md"), "# ACP content smoke\n")
     const acp = fixture.spawn()
@@ -41,6 +41,16 @@ describe("acp prompt content subprocess", () => {
       }),
     )
 
+    const remote = expectOk(
+      await acp.request<PromptResponse>("session/prompt", {
+        sessionId: session.sessionId,
+        prompt: [
+          { type: "text", text: "Use this remote image." },
+          { type: "image", mimeType: "image/png", data: "", uri: "https://example.com/remote.png" },
+        ],
+      }),
+    )
+
     const linked = expectOk(
       await acp.request<PromptResponse>("session/prompt", {
         sessionId: session.sessionId,
@@ -70,8 +80,9 @@ describe("acp prompt content subprocess", () => {
       }),
     )
 
+    expect(remote.stopReason).toBe("end_turn")
     expect(linked.stopReason).toBe("end_turn")
     expect(missing.stopReason).toBe("end_turn")
-    expect(fixture.llm.requests.length).toBeGreaterThanOrEqual(4)
+    expect(fixture.llm.requests.length).toBeGreaterThanOrEqual(5)
   }, 60_000)
 })

packages/cli/test/acp/prompt.test.ts

@@ -142,6 +142,44 @@ describe("acp prompt turns over the wire", () => {
     ])
   })
 
+  test("attaches local image links and references remote or unreadable ones in place", async () => {
+    await using dir = await tmpdir()
+    const local = pathToFileURL(path.join(dir.path, "local.png")).href
+    const missing = pathToFileURL(path.join(dir.path, "missing.png")).href
+    await Bun.write(path.join(dir.path, "local.png"), "png")
+    await using acp = await startSession()
+
+    const response = await acp.prompt(acp.sessionId, [
+      { type: "text", text: "compare" },
+      { type: "image", data: "", mimeType: "image/png", uri: "https://example.com/remote.png" },
+      { type: "image", data: "", mimeType: "image/png", uri: local },
+      { type: "image", data: "", mimeType: "image/png", uri: missing },
+    ])
+
+    expect(response.stopReason).toBe("end_turn")
+    expect(acp.server.submissions).toEqual([
+      expect.objectContaining({
+        kind: "prompt",
+        text: `compare\n[remote.png](https://example.com/remote.png)\n[missing.png](${missing})`,
+        files: [{ uri: local, name: "local.png" }],
+      }),
+    ])
+  })
+
+  test("rejects an image with neither data nor uri as invalid params", async () => {
+    await using acp = await startSession()
+
+    expect(
+      await rpcError(
+        acp.prompt(acp.sessionId, [
+          { type: "text", text: "look" },
+          { type: "image", data: "", mimeType: "image/png" },
+        ]),
+      ),
+    ).toMatchObject({ code: -32602, message: expect.stringContaining("image content has no data or uri") })
+    expect(acp.server.submissions).toEqual([])
+  })
+
   test("returns turn usage and publishes current context usage with cumulative session cost", async () => {
     const assistantTokens = { input: 100, output: 40, reasoning: 7, cache: { read: 11, write: 13 } }
     await using acp = await startSession({

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

@@ -0,0 +1,52 @@
+import type { PromptResponse } from "@agentclientprotocol/sdk"
+import { describe, expect, test } from "bun:test"
+import { Option, Schema } from "effect"
+import { ACPElicitation } from "../../src/acp/elicitation"
+import { createAcpFixture, expectOk, initialize, newSession, toolCallStream } from "./subprocess"
+
+const ChatRequest = Schema.Struct({
+  messages: Schema.Array(
+    Schema.Struct({ role: Schema.String, tool_call_id: Schema.optional(Schema.String), content: Schema.Unknown }),
+  ),
+})
+
+// The first completion asks a question; the follow-up completion ends the turn.
+function askingModel(request: unknown) {
+  if (JSON.stringify(request).includes('"role":"tool"')) return "done"
+  return toolCallStream("call_question", "question", {
+    questions: [
+      {
+        header: "Runtime",
+        question: "Which runtime?",
+        options: [
+          { label: "Bun", description: "Fast" },
+          { label: "Node", description: "Stable" },
+        ],
+      },
+    ],
+  })
+}
+
+describe("acp question subprocess", () => {
+  test("a question the client cannot show returns to the model and the turn continues", async () => {
+    await using fixture = await createAcpFixture({ respond: askingModel })
+    const acp = fixture.spawn()
+    await initialize(acp)
+    const session = await newSession(acp, fixture.home)
+
+    const result = expectOk(
+      await acp.request<PromptResponse>("session/prompt", {
+        sessionId: session.sessionId,
+        prompt: [{ type: "text", text: "ask me something" }],
+      }),
+    )
+
+    expect(result.stopReason).toBe("end_turn")
+    const results = fixture.llm.requests
+      .flatMap((request) => Option.toArray(Schema.decodeUnknownOption(ChatRequest)(request)))
+      .flatMap((request) => request.messages)
+      .filter((message) => message.role === "tool" && message.tool_call_id === "call_question")
+    expect(results).toHaveLength(1)
+    expect(String(results[0]?.content)).toContain(ACPElicitation.UnshownQuestionMessage)
+  }, 60_000)
+})

packages/cli/test/acp/session.test.ts

@@ -205,6 +205,39 @@ describe("acp session lifecycle over the wire", () => {
     ).toMatchObject({ code: -32602, data: { sessionId: "ses_loaded" } })
   })
 
+  test("detaches sessions whose new or resume fails after attaching", async () => {
+    // A model without a name forces a crash building config options after attach.
+    await using acp = await startWire({
+      fetch: (request) =>
+        request.path === "/api/model"
+          ? Response.json({
+              location: { directory: "/workspace", project: { id: "global", directory: "/workspace" } },
+              data: [testModel, { ...secondModel, name: null }],
+            })
+          : undefined,
+    })
+    acp.server.sessions.set("ses_resumed", makeSession("ses_resumed"))
+    await acp.initialize()
+    const existing = new Set(acp.server.sessions.keys())
+
+    expect(await rpcError(acp.newSession())).toMatchObject({ code: -32603 })
+    const created = acp.server.sessions.keys().find((id) => !existing.has(id))
+    if (!created) throw new Error("session/new did not create a server session")
+    expect(
+      await rpcError(acp.request("session/resume", { cwd: "/workspace", sessionId: "ses_resumed", mcpServers: [] })),
+    ).toMatchObject({ code: -32603 })
+    const failed = [created, "ses_resumed"]
+
+    expect(
+      await Promise.all(
+        failed.map((sessionId) =>
+          rpcError(acp.request("session/set_config_option", { sessionId, configId: "mode", value: "plan" })),
+        ),
+      ),
+    ).toMatchObject(failed.map((sessionId) => ({ code: -32602, data: { sessionId } })))
+    expect(acp.server.sessions.has(created)).toBe(true)
+  })
+
   test("lists server-backed pages for the requested cwd", async () => {
     await using acp = await startWire()
     Array.from({ length: 101 }, (_, index) =>

packages/cli/test/acp/subprocess.ts

@@ -161,6 +161,30 @@ export function expectOk<T>(response: JsonRpcResponse<T>) {
   return response.result
 }
 
+/** A streamed completion that calls one tool. */
+export function toolCallStream(id: string, name: string, input: unknown) {
+  const chunks = [
+    {
+      choices: [
+        {
+          delta: { role: "assistant", tool_calls: [{ index: 0, id, type: "function", function: { name, arguments: "" } }] },
+          finish_reason: null,
+        },
+      ],
+      usage: null,
+    },
+    {
+      choices: [{ delta: { tool_calls: [{ index: 0, function: { arguments: JSON.stringify(input) } }] } }],
+      usage: null,
+    },
+    { choices: [{ delta: {}, finish_reason: "tool_calls" }], usage: null },
+    { choices: [], usage: { prompt_tokens: 10, completion_tokens: 1, total_tokens: 11 } },
+  ]
+  return new Response(`${chunks.map((chunk) => `data: ${JSON.stringify(chunk)}\n\n`).join("")}data: [DONE]\n\n`, {
+    headers: { "content-type": "text/event-stream" },
+  })
+}
+
 function verifierConfig(llmUrl: string, skills?: string) {
   const model = {
     capabilities: { tools: true, input: ["text", "image"], output: ["text"] },

packages/cli/test/acp/translate.test.ts

@@ -22,6 +22,7 @@ const ctx: ACPTranslate.Context = {
   cwd: "/workspace",
   start: { type: "input", id: "msg_input" },
   childUpdates: false,
+  compaction: false,
   mode: "turn",
 }
 
@@ -164,7 +165,7 @@ describe("acp turn translation", () => {
       failed("ses_child", { type: "aborted", message: "interrupted" }),
     )
 
-    const abandoned = ACPTranslate.abandonTools(result.state, ctx)
+    const abandoned = ACPTranslate.abandon(result.state, ctx)
 
     expect(abandoned.state.tools.size).toBe(0)
     expect(updates(abandoned.outputs)).toEqual([
@@ -177,6 +178,6 @@ describe("acp turn translation", () => {
       }),
       expect.objectContaining({ toolCallId: "ses_child:call_child", status: "failed", title: "Explore: read" }),
     ])
-    expect(ACPTranslate.abandonTools(abandoned.state, ctx).outputs).toEqual([])
+    expect(ACPTranslate.abandon(abandoned.state, ctx).outputs).toEqual([])
   })
 })

packages/cli/test/acp/turn.test.ts

@@ -1,6 +1,7 @@
 import { describe, expect, test } from "bun:test"
 import type { SessionNotification } from "@agentclientprotocol/sdk"
 import { resolve } from "node:path"
+import { ACPElicitation } from "../../src/acp/elicitation"
 import {
   assistantMessage,
   childCreated,
@@ -363,7 +364,9 @@ describe("acp turn events over the wire", () => {
     })
 
     expect((await acp.prompt(acp.sessionId, "hello")).stopReason).toBe("end_turn")
-    expect(acp.server.cancelledForms).toEqual([{ sessionID: acp.sessionId, formID: "frm_question" }])
+    expect(acp.server.cancelledForms).toEqual([
+      { sessionID: acp.sessionId, formID: "frm_question", message: ACPElicitation.UnshownQuestionMessage },
+    ])
     expect(acp.elicitations).toEqual([])
   })
 

packages/cli/test/acp/wire-fixture.ts

@@ -8,6 +8,7 @@ import {
   type AgentRequestParamsByMethod,
   type AgentRequestResponsesByMethod,
   type AnyMessage,
+  type CompactionCapabilities,
   type ContentBlock,
   type CreateElicitationRequest,
   type CreateElicitationResponse,
@@ -164,6 +165,7 @@ export type InitializeOptions = {
   readonly childSessionUpdates?: boolean
   readonly terminalAuth?: boolean
   readonly elicitation?: boolean
+  readonly compaction?: CompactionCapabilities | null
 }
 
 export const testModel = {
@@ -370,6 +372,7 @@ export function permissionAsked(
   id: string,
   input: {
     readonly action?: string
+    readonly resources?: EventData<"permission.asked">["resources"]
     readonly metadata?: EventData<"permission.asked">["metadata"]
     readonly source?: { readonly type: "tool"; readonly messageID: string; readonly id: string }
   } = {},
@@ -378,7 +381,7 @@ export function permissionAsked(
     id,
     sessionID,
     action: input.action ?? "shell",
-    resources: ["*"],
+    resources: input.resources ?? ["*"],
     metadata: input.metadata ?? { command: "printf hello" },
     ...(input.source ? { source: input.source } : {}),
   })
@@ -490,6 +493,7 @@ export async function startWire(options: WireOptions = {}) {
       clientCapabilities: {
         ...(capabilities.writeTextFile ? { fs: { writeTextFile: true, readTextFile: false } } : {}),
         ...(capabilities.elicitation ? { elicitation: { form: {} } } : {}),
+        ...(capabilities.compaction !== undefined ? { session: { compaction: capabilities.compaction } } : {}),
         _meta: {
           ...(capabilities.childSessionUpdates ? { "opencode/child-session-updates": true } : {}),
           ...(capabilities.terminalAuth ? { "terminal-auth": true } : {}),
@@ -565,7 +569,7 @@ function startServer(options: WireOptions, changed: () => void) {
   const selections: Selection[] = []
   const interrupts: string[] = []
   const replies: Array<{ readonly sessionID: string; readonly requestID: string; readonly decision: string }> = []
-  const cancelledForms: Array<{ readonly sessionID: string; readonly formID: string }> = []
+  const cancelledForms: Array<{ readonly sessionID: string; readonly formID: string; readonly message?: string }> = []
   const repliedForms: FormReply[] = []
   const mcp: Array<{ readonly name: string; readonly directory?: string; readonly config: unknown }> = []
   const fake = {
@@ -827,8 +831,8 @@ function startServer(options: WireOptions, changed: () => void) {
         }),
       },
       "/api/session/:sessionID/form/:formID": {
-        DELETE: route(async (req) => {
-          const form = { sessionID: req.params.sessionID, formID: req.params.formID }
+        DELETE: route(async (req, query) => {
+          const form = { sessionID: req.params.sessionID, formID: req.params.formID, message: query.message }
           fake.cancelledForms.push(form)
           await emit(options.onFormCancel?.(form))
           return noContent()

packages/client/package.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
   "name": "@opencode/client",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "type": "module",
   "license": "MIT",
   "repository": {

packages/client/src/effect/api/api.ts

@@ -2270,6 +2270,13 @@ export interface WorktreeApi<E = never> {
   readonly refresh: WorktreeRefreshOperation<E>
 }
 
+export type VcsInitInput = {
+  readonly location?: { readonly directory?: string | undefined } | undefined
+  readonly provider?: string | undefined
+}
+export type VcsInitOutput = void
+export type VcsInitOperation<E = never> = (input?: VcsInitInput) => Effect.Effect<VcsInitOutput, E>
+
 export type VcsGetInput = { readonly location?: { readonly directory?: string | undefined } | undefined }
 export type VcsGetOutput = { readonly location: Location.PublicRef; readonly data: Vcs.Info }
 export type VcsGetOperation<E = never> = (input?: VcsGetInput) => Effect.Effect<VcsGetOutput, E>
@@ -2300,6 +2307,7 @@ export type VcsDiffOutput = { readonly location: Location.PublicRef; readonly da
 export type VcsDiffOperation<E = never> = (input: VcsDiffInput) => Effect.Effect<VcsDiffOutput, E>
 
 export interface VcsApi<E = never> {
+  readonly init: VcsInitOperation<E>
   readonly get: VcsGetOperation<E>
   readonly base: VcsBaseOperation<E>
   readonly status: VcsStatusOperation<E>

packages/client/src/effect/generated/client.ts

@@ -242,6 +242,8 @@ import type {
   WorktreeRemoveOutput,
   WorktreeRefreshInput,
   WorktreeRefreshOutput,
+  VcsInitInput,
+  VcsInitOutput,
   VcsGetInput,
   VcsGetOutput,
   VcsBaseInput,
@@ -1481,6 +1483,13 @@ const adaptGroupWorktree = (raw: RawClient["server.worktree"]) => ({
   refresh: EndpointWorktreeRefresh(raw),
 })
 
+const EndpointVcsInit = (raw: RawClient["server.vcs"]) => (input?: VcsInitInput) =>
+  preserveEffect<VcsInitOutput>()(
+    raw["vcs.init"]({ query: { location: input?.["location"], provider: input?.["provider"] } }).pipe(
+      Effect.mapError(mapClientError),
+    ),
+  )
+
 const EndpointVcsGet = (raw: RawClient["server.vcs"]) => (input?: VcsGetInput) =>
   preserveEffect<VcsGetOutput>()(
     raw["vcs.get"]({ query: { location: input?.["location"] } }).pipe(Effect.mapError(mapClientError)),
@@ -1511,6 +1520,7 @@ const EndpointVcsDiff = (raw: RawClient["server.vcs"]) => (input: VcsDiffInput)
   )
 
 const adaptGroupVcs = (raw: RawClient["server.vcs"]) => ({
+  init: EndpointVcsInit(raw),
   get: EndpointVcsGet(raw),
   base: EndpointVcsBase(raw),
   status: EndpointVcsStatus(raw),

packages/client/src/promise/generated/client.ts

@@ -240,6 +240,8 @@ import type {
   WorktreeRemoveOutput,
   WorktreeRefreshInput,
   WorktreeRefreshOutput,
+  VcsInitInput,
+  VcsInitOutput,
   VcsGetInput,
   VcsGetOutput,
   VcsBaseInput,
@@ -2040,6 +2042,18 @@ export function make(options: ClientOptions) {
         ),
     },
     vcs: {
+      init: (input?: VcsInitInput, requestOptions?: RequestOptions) =>
+        request<VcsInitOutput>(
+          {
+            method: "POST",
+            path: `/api/vcs/init`,
+            query: { location: input?.["location"], provider: input?.["provider"] },
+            successStatus: 204,
+            declaredStatuses: [400, 401, 409, 501, 503],
+            empty: true,
+          },
+          requestOptions,
+        ),
       get: (input?: VcsGetInput, requestOptions?: RequestOptions) =>
         request<VcsGetOutput>(
           {

packages/client/src/promise/generated/types.ts

@@ -437,6 +437,8 @@ export type McpProtocol = "legacy" | "auto" | "2026-07-28"
 
 export type ConfigWorktree = { directory: string }
 
+export type ConfigModelCapabilities = { tools?: boolean; input?: Array<string>; output?: Array<string> }
+
 export type ConfigShellOption = { path: string; name: string; acceptable: boolean }
 
 export type SessionMessageLocationSwitched = {
@@ -475,14 +477,16 @@ export type ConfigModelSettings = { compaction?: ProviderCompaction } & { [x: st
 
 export type ProviderSettings = {
   timeout?: number | false
-  chunkTimeout?: number
+  headerTimeout?: number | false
+  chunkTimeout?: number | false
   compaction?: ProviderCompaction
   transport?: ProviderTransport
 } & { [x: string]: any }
 
 export type ConfigProviderSettings = {
   timeout?: number | false
-  chunkTimeout?: number
+  headerTimeout?: number | false
+  chunkTimeout?: number | false
   compaction?: ProviderCompaction
   transport?: ProviderTransport
 } & { [x: string]: JsonValue | null }
@@ -2157,7 +2161,7 @@ export type ConfigEntry =
                 settings?: ConfigModelSettings
                 headers?: { [x: string]: string }
                 body?: { [x: string]: JsonValue }
-                capabilities?: ModelCapabilities
+                capabilities?: ConfigModelCapabilities
                 variants?: Array<{
                   id: string
                   settings?: ConfigModelSettings
@@ -2731,11 +2735,20 @@ export const isShellNotFoundError = (value: unknown): value is ShellNotFoundErro
   typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "ShellNotFoundError"
 
 export type WorktreeError = {
+  readonly _tag: "WorktreeError"
   readonly name: "WorktreeError"
   readonly data: { readonly message: string; readonly forceRequired?: boolean | undefined }
 }
 export const isWorktreeError = (value: unknown): value is WorktreeError =>
-  typeof value === "object" && value !== null && "name" in value && value["name"] === "WorktreeError"
+  typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "WorktreeError"
+
+export type VcsInitNotSupportedError = {
+  readonly _tag: "VcsInitNotSupportedError"
+  readonly providerID: string
+  readonly message: string
+}
+export const isVcsInitNotSupportedError = (value: unknown): value is VcsInitNotSupportedError =>
+  typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "VcsInitNotSupportedError"
 
 export type ServerInfoOutput = ServerInfo
 
@@ -6490,6 +6503,19 @@ export type WorktreeRefreshInput = { readonly projectID: { readonly projectID: s
 
 export type WorktreeRefreshOutput = void
 
+export type VcsInitInput = {
+  readonly location?: {
+    readonly location?: { readonly directory?: string | undefined } | undefined
+    readonly provider?: string | undefined
+  }["location"]
+  readonly provider?: {
+    readonly location?: { readonly directory?: string | undefined } | undefined
+    readonly provider?: string | undefined
+  }["provider"]
+}
+
+export type VcsInitOutput = void
+
 export type VcsGetInput = {
   readonly location?: { readonly location?: { readonly directory?: string | undefined } | undefined }["location"]
 }

packages/client/test/promise.test.ts

@@ -174,21 +174,25 @@ test("declared errors are thrown as Error instances that keep the body", async (
   expect(error).toMatchObject({ _tag: "InvalidRequestError", kind: "integration_authorization" })
 })
 
-test("declared errors with a data envelope read the nested message", async () => {
-  const client = OpenCode.make({
-    baseUrl: "http://localhost:3000",
-    fetch: async () =>
-      Response.json({ name: "WorktreeError", data: { message: "Worktree directory unavailable" } }, { status: 400 }),
-  })
-  const error = await client.worktree.create({ projectID: "prj_test" }).then(
-    () => undefined,
-    (cause: unknown) => cause,
-  )
-  expect(error).toBeInstanceOf(Error)
-  if (!(error instanceof Error)) throw error
-  expect(error.message).toBe("Worktree directory unavailable")
-  expect(error.name).toBe("WorktreeError")
-  expect(error).toMatchObject({ name: "WorktreeError", data: { message: "Worktree directory unavailable" } })
+test("worktree errors retain the existing envelope with or without a tag", async () => {
+  for (const body of [
+    { name: "WorktreeError", data: { message: "Worktree directory unavailable" } },
+    { _tag: "WorktreeError", name: "WorktreeError", data: { message: "Worktree directory unavailable" } },
+  ]) {
+    const client = OpenCode.make({
+      baseUrl: "http://localhost:3000",
+      fetch: async () => Response.json(body, { status: 400 }),
+    })
+    const error = await client.worktree.create({ projectID: "prj_test" }).then(
+      () => undefined,
+      (cause: unknown) => cause,
+    )
+    expect(error).toBeInstanceOf(Error)
+    if (!(error instanceof Error)) throw error
+    expect(error.message).toBe("Worktree directory unavailable")
+    expect(error.name).toBe("WorktreeError")
+    expect(error).toMatchObject(body)
+  }
 })
 
 test("client errors keep the reason and describe the failure in the message", async () => {

packages/codemode/package.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
   "name": "@opencode/codemode",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "description": "Effect-native confined code execution over schema-described tools",
   "type": "module",
   "license": "MIT",

packages/console/app/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode/console-app",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "type": "module",
   "license": "MIT",
   "scripts": {

packages/console/core/package.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
   "name": "@opencode/console-core",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "private": true,
   "type": "module",
   "license": "MIT",

packages/console/function/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode/console-function",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "$schema": "https://json.schemastore.org/package.json",
   "private": true,
   "type": "module",

packages/console/mail/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode/console-mail",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "dependencies": {
     "@jsx-email/all": "2.2.3",
     "@jsx-email/cli": "1.4.3",

packages/console/support/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@opencode/console-support",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "type": "module",
   "license": "MIT",
   "scripts": {

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
-  "version": "2.0.21",
+  "version": "2.0.22",
   "name": "@opencode/core",
   "type": "module",
   "license": "MIT",

packages/core/src/aisdk.ts

@@ -128,23 +128,29 @@ function prepareOptions(model: RuntimeInfo, pkg: string) {
   }
 
   const customFetch = options.fetch
-  const chunkTimeout = options.chunkTimeout
+  const timeouts = Provider.timeouts(options)
+  delete options.headerTimeout
   delete options.chunkTimeout
   delete options.compaction
   delete options.transport
   options.fetch = async (input: Parameters<typeof fetch>[0], init?: RequestInit) => {
     const opts = { ...(init ?? {}) }
-    const signals = [
-      opts.signal,
-      typeof chunkTimeout === "number" && chunkTimeout > 0 ? new AbortController() : undefined,
-      options.timeout !== undefined && options.timeout !== null && options.timeout !== false
-        ? AbortSignal.timeout(options.timeout)
-        : undefined,
-    ].filter((item): item is AbortSignal | AbortController => item !== undefined && item !== null)
-    const chunkAbortCtl = signals.find((item): item is AbortController => item instanceof AbortController)
-    const abortSignals = signals.map((item) => (item instanceof AbortController ? item.signal : item))
-    if (abortSignals.length === 1) opts.signal = abortSignals[0]
-    if (abortSignals.length > 1) opts.signal = AbortSignal.any(abortSignals)
+    // A plain AbortSignal.timeout would keep running into the body stream, so the header limit uses
+    // a timer that is cleared once headers arrive. The whole-request limit is meant to span the body.
+    const headers = new AbortController()
+    const headerTimer =
+      timeouts.headerTimeout === false
+        ? undefined
+        : setTimeout(() => headers.abort(new Error(HEADER_TIMEOUT_MESSAGE)), timeouts.headerTimeout)
+    const chunks = new AbortController()
+    opts.signal = AbortSignal.any(
+      [
+        opts.signal,
+        headers.signal,
+        chunks.signal,
+        timeouts.timeout ? AbortSignal.timeout(timeouts.timeout) : undefined,
+      ].filter((item): item is AbortSignal => item !== undefined && item !== null),
+    )
 
     if (typeof opts.body === "string" && model.body !== undefined) {
       const decoded = Option.getOrUndefined(decodeJson(opts.body))
@@ -155,11 +161,13 @@ function prepareOptions(model: RuntimeInfo, pkg: string) {
 
     const send: Fetch = typeof customFetch === "function" ? customFetch : fetch
     const middleware = httpMiddleware.getStore()
-    const res = middleware
-      ? await throughMiddleware(middleware, send, input, { ...opts, timeout: false })
-      : await send(input, { ...opts, timeout: false })
-    if (!chunkAbortCtl || typeof chunkTimeout !== "number") return res
-    return wrapSSE(res, chunkTimeout, chunkAbortCtl)
+    const res = await (
+      middleware
+        ? throughMiddleware(middleware, send, input, { ...opts, timeout: false })
+        : send(input, { ...opts, timeout: false })
+    ).finally(() => clearTimeout(headerTimer))
+    if (timeouts.chunkTimeout === false) return res
+    return wrapSSE(res, timeouts.chunkTimeout, chunks)
   }
 
   return options
@@ -215,6 +223,8 @@ function throughMiddleware(
   )
 }
 
+const HEADER_TIMEOUT_MESSAGE = "Response headers timed out"
+
 export class InitError extends Schema.TaggedError<InitError>()("AISDK.InitError", {
   providerID: Provider.ID,
   cause: Schema.Defect(),
@@ -447,9 +457,17 @@ function requestSettings(settings: Readonly<Record<string, unknown>> | undefined
   const result = Object.fromEntries(
     Object.entries(settings).filter(
       ([key]) =>
-        !["apiKey", "authToken", "baseURL", "chunkTimeout", "compaction", "fetch", "timeout", "transport"].includes(
-          key,
-        ),
+        ![
+          "apiKey",
+          "authToken",
+          "baseURL",
+          "chunkTimeout",
+          "compaction",
+          "fetch",
+          "headerTimeout",
+          "timeout",
+          "transport",
+        ].includes(key),
     ),
   )
   return Object.keys(result).length === 0 ? undefined : result
@@ -575,10 +593,6 @@ function toolMessage(input: LLMRequest["messages"][number]) {
   }
 }
 
-function text(part: ContentPart) {
-  return part.type === "text" ? [part.text] : []
-}
-
 function userPart(part: ContentPart): UserContent {
   if (part.type === "text") return [{ type: "text", text: part.text }]
   if (part.type === "media")
@@ -951,7 +965,7 @@ const errorValue = (error: unknown) => (ProviderShared.isRecord(error) ? error.v
 
 // Runtime-generated network failure shapes. The codes mirror the AI SDK's own
 // Bun network error list in handleFetchError; the messages are undici's fetch
-// TypeError and stream termination strings plus our SSE chunk timeout error.
+// TypeError and stream termination strings plus our header and chunk timeout errors.
 // Unrecognized shapes still retry via the UnknownProvider default; this match
 // only adds transport semantics (continuation eligibility, display).
 const NETWORK_ERROR_CODES = new Set([
@@ -969,6 +983,7 @@ const NETWORK_ERROR_MESSAGES = new Set([
   "terminated",
   "other side closed",
   "sse read timed out",
+  HEADER_TIMEOUT_MESSAGE.toLowerCase(),
 ])
 
 const NativeErrorShape = Schema.Struct({

packages/core/src/config/plugin/compatibility.ts

@@ -6,7 +6,6 @@ import path from "path"
 import { Effect, FiberMap, PubSub, Semaphore, Stream } from "effect"
 import { Config } from "../../config.js"
 import { Watcher } from "../../filesystem/watcher.js"
-import { AbsolutePath } from "../../schema.js"
 import { Skill } from "../../skill.js"
 import { SkillFile } from "./skill-file.js"
 

packages/core/src/config/plugin/formatter.ts

@@ -1,6 +1,8 @@
 export * as ConfigFormatterPlugin from "./formatter.js"
 
 import { define } from "@opencode/plugin/effect/plugin"
+import type { Entry } from "@opencode/schema/config"
+import type { ConfigFormatter } from "@opencode/schema/config/formatter"
 import { FSUtil } from "@opencode/util/fs-util"
 import { Global } from "@opencode/util/global"
 import { Npm } from "@opencode/util/npm"
@@ -25,7 +27,7 @@ export const Plugin = define({
     const loaded = yield* ConfigEntryObserver.observe(config, ctx.event, formatter.reload())
 
     yield* formatter.transform((editor) => {
-      const configured = Config.latest(loaded.entries, "formatter")
+      const configured = resolve(loaded.entries)
       if (!configured) return
       const builtIns = make({
         directory: location.directory,
@@ -56,3 +58,19 @@ export const Plugin = define({
     })
   }),
 })
+
+// Documents apply from lowest to highest priority. A boolean resets everything before it; an object
+// merges each named formatter's supplied fields over the same name from earlier objects.
+function resolve(entries: readonly Entry[]) {
+  return entries.reduce<boolean | Record<string, ConfigFormatter.Entry> | undefined>((result, entry) => {
+    if (entry.type !== "document" || entry.info.formatter === undefined) return result
+    if (typeof entry.info.formatter === "boolean") return entry.info.formatter
+    return Object.entries(entry.info.formatter).reduce(
+      (merged, [name, item]) => ({
+        ...merged,
+        [name]: { ...merged[name], ...item, environment: { ...merged[name]?.environment, ...item.environment } },
+      }),
+      typeof result === "object" ? result : {},
+    )
+  }, undefined)
+}

packages/core/src/config/plugin/provider.ts

@@ -117,13 +117,8 @@ export const Plugin = define({
             if (config.settings !== undefined) model.settings = Provider.mergeOverlay(model.settings, config.settings)
             if (config.headers !== undefined) model.headers = Provider.mergeHeaders(model.headers, config.headers)
             if (config.body !== undefined) model.body = Provider.mergeOverlay(model.body, config.body)
-            if (config.capabilities !== undefined) {
-              model.capabilities = {
-                tools: config.capabilities.tools,
-                input: [...config.capabilities.input],
-                output: [...config.capabilities.output],
-              }
-            }
+            if (config.capabilities !== undefined)
+              model.capabilities = Model.mergeCapabilities(config.capabilities, model.capabilities)
             if (config.variants !== undefined) {
               model.variants ??= []
               for (const variant of config.variants) {

packages/core/src/config/plugin/skill-file.ts

@@ -10,6 +10,7 @@ const Frontmatter = Schema.Struct({
   name: Schema.String.pipe(Schema.optional),
   description: Schema.String.pipe(Schema.optional),
   metadata: Schema.Unknown.pipe(Schema.optional),
+  "disable-model-invocation": Schema.Unknown.pipe(Schema.optional),
 })
 const decodeFrontmatter = SchemaParser.decodeUnknownResult(Frontmatter)
 
@@ -22,12 +23,16 @@ const metadataBoolean = (metadata: unknown, key: string) => {
   if (metadata === undefined || metadata === null || typeof metadata !== "object" || Array.isArray(metadata)) {
     return undefined
   }
-  const value = (metadata as Record<string, unknown>)[key]
+  return booleanValue((metadata as Record<string, unknown>)[key])
+}
+
+const booleanValue = (value: unknown) => {
   if (typeof value === "boolean") return value
+  if (typeof value === "number") return value === 1 ? true : value === 0 ? false : undefined
   if (typeof value !== "string") return undefined
   const normalized = value.trim().toLowerCase()
-  if (normalized === "true") return true
-  if (normalized === "false") return false
+  if (["true", "yes", "on", "1"].includes(normalized)) return true
+  if (["false", "no", "off", "0"].includes(normalized)) return false
   return undefined
 }
 
@@ -41,7 +46,9 @@ export function parse(directory: string, filepath: string, content: string): Par
     path.dirname(filepath) === directory && path.basename(filepath) !== "SKILL.md"
       ? path.basename(filepath, ".md")
       : path.basename(path.dirname(filepath))
-  const autoinvoke = metadataBoolean(frontmatter.metadata, "opencode/autoinvoke")
+  const opencodeAutoinvoke = metadataBoolean(frontmatter.metadata, "opencode/autoinvoke")
+  const disableModelInvocation = booleanValue(frontmatter["disable-model-invocation"])
+  const autoinvoke = opencodeAutoinvoke ?? (disableModelInvocation ? false : undefined)
   return {
     _tag: "Parsed",
     skill: {

packages/core/src/filesystem.ts

@@ -26,6 +26,30 @@ export class NotFoundError extends Schema.TaggedError<NotFoundError>()("FileSyst
   path: RelativePath,
 }) {}
 
+export class DirectoryNotFoundError extends Schema.TaggedError<DirectoryNotFoundError>()(
+  "FileSystem.DirectoryNotFoundError",
+  {
+    directory: AbsolutePath,
+    cause: Schema.Defect(),
+  },
+) {
+  override get message() {
+    return `Directory not found: ${this.directory}`
+  }
+}
+
+export class DirectoryAccessDeniedError extends Schema.TaggedError<DirectoryAccessDeniedError>()(
+  "FileSystem.DirectoryAccessDeniedError",
+  {
+    directory: AbsolutePath,
+    cause: Schema.Defect(),
+  },
+) {
+  override get message() {
+    return `Access denied to directory: ${this.directory}`
+  }
+}
+
 export const Content = Schema.Struct({
   uri: Schema.String,
   name: Schema.String.pipe(Schema.optional),
@@ -87,7 +111,24 @@ const baseLayer = Layer.effect(
     // configured directory as canonical; local placements keep symlink
     // canonicalization. This skip is boot-only: resolve/read/list below still
     // access the host filesystem per operation (tracked in #44568).
-    const root = location.workspaceID ? location.directory : yield* fs.realPath(location.directory).pipe(Effect.orDie)
+    const root = location.workspaceID
+      ? location.directory
+      : yield* fs.realPath(location.directory).pipe(
+          Effect.catch((cause): Effect.Effect<never, DirectoryNotFoundError | DirectoryAccessDeniedError> => {
+            if (cause.reason._tag === "NotFound")
+              return Effect.fail(new DirectoryNotFoundError({ directory: location.directory, cause }))
+            // macOS privacy denials arrive as Unknown with an EPERM cause.
+            if (
+              cause.reason._tag === "PermissionDenied" ||
+              (cause.reason._tag === "Unknown" &&
+                cause.reason.cause instanceof Error &&
+                "code" in cause.reason.cause &&
+                cause.reason.cause.code === "EPERM")
+            )
+              return Effect.fail(new DirectoryAccessDeniedError({ directory: location.directory, cause }))
+            return Effect.die(cause)
+          }),
+        )
     const resolve = Effect.fnUntraced(function* (input?: RelativePath) {
       const absolute = path.resolve(location.directory, input ?? ".")
       if (!FSUtil.contains(location.directory, absolute))

packages/core/src/filesystem/ignore.ts

@@ -1,48 +0,0 @@
-const FOLDERS = new Set([
-  "node_modules",
-  "bower_components",
-  ".pnpm-store",
-  "vendor",
-  ".npm",
-  "dist",
-  "build",
-  "out",
-  ".next",
-  "target",
-  "bin",
-  "obj",
-  ".git",
-  ".svn",
-  ".hg",
-  ".vscode",
-  ".idea",
-  ".turbo",
-  ".output",
-  "desktop",
-  ".sst",
-  ".cache",
-  ".webkit-cache",
-  "__pycache__",
-  ".pytest_cache",
-  "mypy_cache",
-  ".history",
-  ".gradle",
-])
-
-const FILES = [
-  "**/*.swp",
-  "**/*.swo",
-  "**/*.pyc",
-  "**/.DS_Store",
-  "**/Thumbs.db",
-  "**/logs/**",
-  "**/tmp/**",
-  "**/temp/**",
-  "**/*.log",
-  "**/coverage/**",
-  "**/.nyc_output/**",
-]
-
-export const PATTERNS = [...FILES, ...FOLDERS, `**/{${Array.from(FOLDERS).join(",")}}/**`]
-
-export * as Ignore from "./ignore.js"

packages/core/src/github-copilot/copilot-provider.ts

@@ -95,6 +95,3 @@ export function createOpenaiCompatible(options: OpenaiCompatibleProviderSettings
 
   return provider as OpenaiCompatibleProvider
 }
-
-// Default OpenAI Compatible provider instance
-export const openaiCompatible = createOpenaiCompatible()

packages/core/src/model-resolver.ts

@@ -1,7 +1,7 @@
 export * as ModelResolver from "./model-resolver.js"
 
 import { makeLocationNode } from "@opencode/util/effect/app-node"
-import { LanguageModel, ProviderConfigurationError } from "@opencode/ai"
+import { HttpOptions, LanguageModel, mergeHttpOptions, ProviderConfigurationError } from "@opencode/ai"
 import { Auth } from "@opencode/ai/route"
 import { Context, Effect, Layer, Schema, Struct } from "effect"
 import { AISDK } from "./aisdk.js"
@@ -122,8 +122,8 @@ export interface Resolved {
   readonly compaction?: Provider.Compaction
   /** Provider transport policy; omitted means HTTP. */
   readonly transport?: Provider.Transport
-  /** Milliseconds without streamed data before a WebSocket exchange fails. */
-  readonly chunkTimeout?: number
+  /** Milliseconds without streamed data before a WebSocket exchange fails; `false` disables the limit. */
+  readonly chunkTimeout?: number | false
 }
 
 export interface Interface {
@@ -237,6 +237,11 @@ const resolveCatalogModel = Effect.fn("ModelResolver.resolveCatalogModel")(funct
         compatibility: resolved.compatibility
           ? Object.assign({}, runtime.compatibility, resolved.compatibility)
           : runtime.compatibility,
+        // Timeouts are transport policy, so they land on the route's HTTP defaults instead of package settings.
+        defaults: {
+          ...runtime.defaults,
+          http: mergeHttpOptions(runtime.defaults?.http, new HttpOptions(Provider.timeouts(configured))),
+        },
       })
     },
     catch: (cause) =>
@@ -390,7 +395,7 @@ export const layer = Layer.effect(
         limit: selected.limit,
         compaction: runtimeInfo.settings?.compaction,
         transport: provider?.settings?.transport,
-        chunkTimeout: provider?.settings?.chunkTimeout,
+        chunkTimeout: Provider.timeout(provider?.settings?.chunkTimeout),
       }
     })
     return Service.of({