fix(desktop): use configured notification sounds

fix(app): suppress notifications while focused
fix(ai): reconcile reasoning finals that arrive without deltas (#44595 )
2026-08-24 10:36:19 +00:00 · 2026-08-24 13:36:41 +08:00 · 2026-08-24 13:31:29 +08:00 · 2026-08-24 00:29:23 -05:00 · 2026-08-24 05:26:57 +00:00 · 2026-08-24 12:59:50 +08:00
203 changed files with 6506 additions and 2335 deletions
@@ -0,0 +1,6 @@
+---
+"@opencode-ai/client": patch
+"@opencode-ai/plugin": patch
+---
+
+Add form reply and cancellation operations that reconcile terminal forms in the local TUI projection.
@@ -84,6 +84,11 @@ jobs:
        env:
          OPENCODE_EXPERIMENTAL_DISABLE_FILEWATCHER: ${{ runner.os == 'Windows' && 'true' || 'false' }}

+      - name: Verify published codemode package
+        if: runner.os == 'Linux'
+        working-directory: packages/codemode
+        run: bun run script/publish.ts --dry-run
+
      - name: Verify compiled service lifecycle
        if: always()
        timeout-minutes: 10
@@ -54,12 +54,12 @@
      "name": "@opencode-ai/app",
      "version": "1.18.15",
      "dependencies": {
-        "@ibm/plex": "6.4.1",
        "@corvu/drawer": "catalog:",
        "@dnd-kit/abstract": "0.5.0",
        "@dnd-kit/dom": "0.5.0",
        "@dnd-kit/helpers": "0.5.0",
        "@dnd-kit/solid": "0.5.0",
+        "@ibm/plex": "6.4.1",
        "@kobalte/core": "catalog:",
        "@opencode-ai/client": "workspace:*",
        "@opencode-ai/schema": "workspace:*",
@@ -71,6 +71,7 @@
        "@solid-primitives/event-bus": "1.1.2",
        "@solid-primitives/event-listener": "2.4.5",
        "@solid-primitives/i18n": "2.2.1",
+        "@solid-primitives/keyed": "1.5.3",
        "@solid-primitives/media": "2.3.3",
        "@solid-primitives/resize-observer": "2.1.5",
        "@solid-primitives/scheduled": "1.5.3",
@@ -191,7 +192,7 @@
        "solid-js": "catalog:",
      },
      "peerDependencies": {
-        "effect": "4.0.0-rc.110",
+        "effect": "4.0.0-rc.111",
        "solid-js": ">=1.9.0",
      },
      "optionalPeers": [
@@ -525,7 +526,7 @@
      "name": "@opencode-ai/http-recorder",
      "version": "1.18.15",
      "dependencies": {
-        "@effect/platform-node-shared": "4.0.0-rc.110",
+        "@effect/platform-node-shared": "4.0.0-rc.111",
      },
      "devDependencies": {
        "@effect/platform-node": "catalog:",
@@ -671,6 +672,7 @@
        "effect": "catalog:",
      },
      "devDependencies": {
+        "@opencode-ai/ai": "workspace:*",
        "@opencode-ai/httpapi-codegen": "workspace:*",
        "@opencode-ai/protocol": "workspace:*",
        "@tsconfig/bun": "catalog:",
@@ -1054,7 +1056,6 @@
  "patchedDependencies": {
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    "@tanstack/virtual-core@3.17.8": "patches/@tanstack%2Fvirtual-core@3.17.8.patch",
-    "drizzle-orm@1.0.0-rc.2": "patches/drizzle-orm@1.0.0-rc.2.patch",
    "@modelcontextprotocol/sdk@1.29.0": "patches/@modelcontextprotocol%2Fsdk@1.29.0.patch",
    "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch",
    "@ai-sdk/mistral@3.0.51": "patches/@ai-sdk%2Fmistral@3.0.51.patch",
@@ -1078,10 +1079,10 @@
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    "@corvu/drawer": "0.2.4",
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-    "@effect/platform-node": "4.0.0-rc.110",
-    "@effect/platform-node-shared": "4.0.0-rc.110",
-    "@effect/sql-sqlite-bun": "4.0.0-rc.110",
+    "@effect/opentelemetry": "4.0.0-rc.111",
+    "@effect/platform-node": "4.0.0-rc.111",
+    "@effect/platform-node-shared": "4.0.0-rc.111",
+    "@effect/sql-sqlite-bun": "4.0.0-rc.111",
    "@hono/standard-validator": "0.2.0",
    "@hono/zod-validator": "0.4.2",
    "@kobalte/core": "0.13.11",
@@ -1116,9 +1117,9 @@
    "cross-spawn": "7.0.6",
    "diff": "8.0.2",
    "dompurify": "3.3.1",
-    "drizzle-kit": "1.0.0-rc.2",
-    "drizzle-orm": "1.0.0-rc.2",
-    "effect": "4.0.0-rc.110",
+    "drizzle-kit": "1.0.0-rc.5-ab785fc",
+    "drizzle-orm": "1.0.0-rc.5-169397b",
+    "effect": "4.0.0-rc.111",
    "fuzzysort": "3.1.0",
    "get-east-asian-width": "1.6.0",
    "hono": "4.10.7",
@@ -1683,15 +1684,15 @@

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+    "@drizzle-team/brocli": ["@drizzle-team/brocli@0.12.0", "", {}, "sha512-mlUE+rZ8CatQekLhnaiN91Iemdd+e2gFKooGlnRB3oPTL3VghLfX24dx7HrzMNeC1JrIB/0kpsfyty3f5HNfxQ=="],

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@@ -3981,8 +3976,6 @@

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    "exit-hook": ["exit-hook@2.2.1", "", {}, "sha512-eNTPlAD67BmP31LDINZ3U7HSF8l57TxOY2PmBJ1shpCvpnxBF93mWCE8YHBnXs8qiUZJc9WDcWIeC3a2HIAMfw=="],

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@@ -4257,8 +4250,6 @@

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-
    "humanize-ms": ["humanize-ms@1.2.1", "", { "dependencies": { "ms": "^2.0.0" } }, "sha512-Fl70vYtsAFb/C06PTS9dZBo7ihau+Tu/DNCk/OyHhea07S+aeMWpFFkUaXRa8fI+ScZbEI8dfSxwY7gxZ9SAVQ=="],

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@@ -4623,8 +4614,6 @@

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-
    "merge2": ["merge2@1.4.1", "", {}, "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg=="],

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@@ -4709,8 +4698,6 @@

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-
    "mimic-function": ["mimic-function@5.0.1", "", {}, "sha512-VP79XUPxV2CigYP3jWwAUFSku2aKqBH7uTAapFWCBqutsbmDo96KY5o8uh6U+/YSIn5OxJnXp73beVkpqMIGhA=="],

    "mimic-response": ["mimic-response@3.1.0", "", {}, "sha512-z0yWI+4FDrrweS8Zmt4Ej5HdJmky15+L2e6Wgn3+iK5fWzb6T3fhNFq2+MeTRb064c6Wr4N/wv0DzQTjNzHNGQ=="],
@@ -4827,8 +4814,6 @@

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-    "npm-run-path": ["npm-run-path@4.0.1", "", { "dependencies": { "path-key": "^3.0.0" } }, "sha512-S48WzZW777zhNIrn7gxOlISNAqi9ZC/uQFnRdbeIHhZhCA6UqpkOT8T1G7BvfdgP4Er8gF4sUbaS0i7QvIfCWw=="],
-
    "nth-check": ["nth-check@2.1.1", "", { "dependencies": { "boolbase": "^1.0.0" } }, "sha512-lqjrjmaOoAnWfMmBPL+XNnynZh2+swxiX3WUE0s4yEHI6m+AwrK2UZOimIRl3X/4QctVqS8AiZjFqyOGrMXb/w=="],

    "object-assign": ["object-assign@4.1.1", "", {}, "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="],
@@ -4853,8 +4838,6 @@

    "once": ["once@1.4.0", "", { "dependencies": { "wrappy": "1" } }, "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w=="],

-    "onetime": ["onetime@5.1.2", "", { "dependencies": { "mimic-fn": "^2.1.0" } }, "sha512-kbpaSSGJTWdAY5KPVeMOKXSrPtr8C8C7wodJbcsd51jRnmD+GZu8Y0VoU6Dm5Z4vWr0Ig/1NKuWRKf7j5aaYSg=="],
-
    "oniguruma-parser": ["oniguruma-parser@0.12.2", "", {}, "sha512-6HVa5oIrgMC6aA6WF6XyyqbhRPJrKR02L20+2+zpDtO5QAzGHAUGw5TKQvwi5vctNnRHkJYmjAhRVQF2EKdTQw=="],

    "oniguruma-to-es": ["oniguruma-to-es@4.3.6", "", { "dependencies": { "oniguruma-parser": "^0.12.2", "regex": "^6.1.0", "regex-recursion": "^6.0.2" } }, "sha512-csuQ9x3Yr0cEIs/Zgx/OEt9iBw9vqIunAPQkx19R/fiMq2oGVTgcMqO/V3Ybqefr1TBvosI6jU539ksaBULJyA=="],
@@ -4869,8 +4852,6 @@

    "opentui-spinner": ["opentui-spinner@0.0.7", "", { "dependencies": { "cli-spinners": "^3.3.0" }, "peerDependencies": { "@opentui/core": "^0.3.4", "@opentui/react": "^0.3.4", "@opentui/solid": "^0.3.4", "typescript": "^5" }, "optionalPeers": ["@opentui/react", "@opentui/solid"] }, "sha512-nPzwAvJG+y9rVEwwHLHqbsMzLnIk2zw+F9LqwA7aYJvpM5gsrKC2rrGi36A+tZpA+1RnWxXeWEgVZMchnaH18Q=="],

-    "os-paths": ["os-paths@4.4.0", "", {}, "sha512-wrAwOeXp1RRMFfQY8Sy7VaGVmPocaLwSFOYCGKSyo8qmJ+/yaafCl5BCA1IQZWqFSRBrKDYFeR9d/VyQzfH/jg=="],
-
    "own-keys": ["own-keys@1.0.2", "", { "dependencies": { "call-bound": "^1.0.4", "get-intrinsic": "^1.3.0", "object-keys": "^1.1.1", "safe-push-apply": "^1.0.0" } }, "sha512-19YVAg7T+WTrxggPukVq7DjTv6+PJ867TmhCvBsYwmbFCsZd344rq2Ld1p0wo8f8Qrrhgp82c6FJRqdXWtSEhg=="],

    "oxc-minify": ["oxc-minify@0.96.0", "", { "optionalDependencies": { "@oxc-minify/binding-android-arm64": "0.96.0", "@oxc-minify/binding-darwin-arm64": "0.96.0", "@oxc-minify/binding-darwin-x64": "0.96.0", "@oxc-minify/binding-freebsd-x64": "0.96.0", "@oxc-minify/binding-linux-arm-gnueabihf": "0.96.0", "@oxc-minify/binding-linux-arm-musleabihf": "0.96.0", "@oxc-minify/binding-linux-arm64-gnu": "0.96.0", "@oxc-minify/binding-linux-arm64-musl": "0.96.0", "@oxc-minify/binding-linux-riscv64-gnu": "0.96.0", "@oxc-minify/binding-linux-s390x-gnu": "0.96.0", "@oxc-minify/binding-linux-x64-gnu": "0.96.0", "@oxc-minify/binding-linux-x64-musl": "0.96.0", "@oxc-minify/binding-wasm32-wasi": "0.96.0", "@oxc-minify/binding-win32-arm64-msvc": "0.96.0", "@oxc-minify/binding-win32-x64-msvc": "0.96.0" } }, "sha512-dXeeGrfPJJ4rMdw+NrqiCRtbzVX2ogq//R0Xns08zql2HjV3Zi2SBJ65saqfDaJzd2bcHqvGWH+M44EQCHPAcA=="],
@@ -5453,8 +5434,6 @@

    "strip-comments": ["strip-comments@2.0.1", "", {}, "sha512-ZprKx+bBLXv067WTCALv8SSz5l2+XhpYCsVtSqlMnkAXMWDq+/ekVbl1ghqP9rUHTzv6sm/DwCOiYutU/yp1fw=="],

-    "strip-final-newline": ["strip-final-newline@2.0.0", "", {}, "sha512-BrpvfNAE3dcvq7ll3xVumzjKjZQ5tI1sEUIKr3Uoks0XUl45St3FlatVqef9prk4jRDzhW6WZg+3bk93y6pLjA=="],
-
    "strip-indent": ["strip-indent@3.0.0", "", { "dependencies": { "min-indent": "^1.0.0" } }, "sha512-laJTa3Jb+VQpaC6DseHhF7dXVqHTfJPCRDaEbid/drOhgitgYku/letMUqOXFoWV0zIIUbjpdH2t+tYj4bQMRQ=="],

    "stripe": ["stripe@18.0.0", "", { "dependencies": { "@types/node": ">=8.1.0", "qs": "^6.11.0" } }, "sha512-3Fs33IzKUby//9kCkCa1uRpinAoTvj6rJgQ2jrBEysoxEvfsclvXdna1amyEYbA2EKkjynuB4+L/kleCCaWTpA=="],
@@ -5847,10 +5826,6 @@

    "wsl-utils": ["wsl-utils@0.1.0", "", { "dependencies": { "is-wsl": "^3.1.0" } }, "sha512-h3Fbisa2nKGPxCpm89Hk33lBLsnaGBvctQopaBSOW/uIs6FTe1ATyAnKFJrzVs9vpGdsTe73WF3V4lIsk4Gacw=="],

-    "xdg-app-paths": ["xdg-app-paths@5.5.1", "", { "dependencies": { "os-paths": "^4.0.1", "xdg-portable": "^7.2.0" } }, "sha512-hI3flOB4PLZIy5prbtTpirobtPE2ZtZ52szO+2mM9Efp6ErM398La+C1lIpNWDfNoQk+6Lsi6nMcCwVB7pxeMQ=="],
-
-    "xdg-portable": ["xdg-portable@7.3.0", "", { "dependencies": { "os-paths": "^4.0.1" } }, "sha512-sqMMuL1rc0FmMBOzCpd0yuy9trqF2yTTVe+E9ogwCSWQCdDEtQUwrZPT6AxqtsFGRNxycgncbP/xmOOSPw5ZUw=="],
-
    "xml-naming": ["xml-naming@0.3.0", "", {}, "sha512-ghig2TBE/H11aOVgmahA3MhimvkBr6JIYknH/Dhdk10nXwdbIqBJsbfMxpvFPG8bAw77gN29aQWvKpmVoPlvPQ=="],

    "xml2js": ["xml2js@0.5.0", "", { "dependencies": { "sax": ">=0.6.0", "xmlbuilder": "~11.0.0" } }, "sha512-drPFnkQJik/O+uPKpqSgr22mpuFHqKdbS835iAQrUC73L2F5WkboIRd63ai/2Yg6I1jzifPFKH2NTK+cfglkIA=="],
@@ -6173,6 +6148,8 @@

    "@dot/log/chalk": ["chalk@4.1.2", "", { "dependencies": { "ansi-styles": "^4.1.0", "supports-color": "^7.1.0" } }, "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA=="],

+    "@effect/platform-node-shared/ws": ["ws@8.21.3", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-201TZ/kPWxoPr/OKWjquZR1SWKXcvxdH+e1xrx89b3YbmzLMFCLfnaG1HFIgWzJOEWZ7MvpK++odZufgYR50Rw=="],
+
    "@electron/asar/commander": ["commander@5.1.0", "", {}, "sha512-P0CysNDQ7rtVw4QIQtm+MRxV66vKFSvlsQvGYXZWR3qFU0jlMKHZZZgw8e+8DSah4UDKMqnknRDQz+xuQXQ/Zg=="],

    "@electron/asar/glob": ["glob@7.2.3", "", { "dependencies": { "fs.realpath": "^1.0.0", "inflight": "^1.0.4", "inherits": "2", "minimatch": "^3.1.1", "once": "^1.3.0", "path-is-absolute": "^1.0.0" } }, "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q=="],
@@ -6421,10 +6398,6 @@

    "@testing-library/dom/dom-accessibility-api": ["dom-accessibility-api@0.5.16", "", {}, "sha512-X7BJ2yElsnOJ30pZF4uIIDfBEVgF4XEBxL9Bxhy6dnrm5hkzqmsWHGTiHqRiITNhMyFLyAiWndIJP7Z1NTteDg=="],

-    "@vercel/cli-config/zod": ["zod@4.1.11", "", {}, "sha512-WPsqwxITS2tzx1bzhIKsEs19ABD5vmCVa4xBo2tq/SrV4RNZtfws1EnCWQXM6yh8bD08a1idvkB5MZSBiZsjwg=="],
-
-    "@vercel/functions/@vercel/oidc": ["@vercel/oidc@3.8.4", "", { "dependencies": { "@vercel/cli-config": "0.2.3", "@vercel/cli-exec": "1.0.1", "jose": "^5.9.6" } }, "sha512-FGNvVZ5pgX9FaBqkPt6VkYFZ6bWAMDzYi7nxW+1Xt+Z4fn5PuTULVwsxjKc+0uKhysyWBQmvsmM50Oh6C2/oMA=="],
-
    "@vitejs/plugin-react/@rolldown/pluginutils": ["@rolldown/pluginutils@1.0.0-beta.27", "", {}, "sha512-+d0F4MKMCbeVUJwG96uQ4SgAznZNSq93I3V+9NHA4OpvqG8mRCpGdKmK8l/dl02h2CCDHwW2FqilnTyDcAnqjA=="],

    "@vitejs/plugin-react/vite": ["vite@7.1.11", "", { "dependencies": { "esbuild": "^0.25.0", "fdir": "^6.5.0", "picomatch": "^4.0.3", "postcss": "^8.5.6", "rollup": "^4.43.0", "tinyglobby": "^0.2.15" }, "optionalDependencies": { "fsevents": "~2.3.3" }, "peerDependencies": { "@types/node": "^20.19.0 || >=22.12.0", "jiti": ">=1.21.0", "less": "^4.0.0", "lightningcss": "^1.21.0", "sass": "^1.70.0", "sass-embedded": "^1.70.0", "stylus": ">=0.54.8", "sugarss": "^5.0.0", "terser": "^5.16.0", "tsx": "^4.8.1", "yaml": "^2.4.2" }, "optionalPeers": ["@types/node", "jiti", "less", "lightningcss", "sass", "sass-embedded", "stylus", "sugarss", "terser", "tsx", "yaml"], "bin": { "vite": "bin/vite.js" } }, "sha512-uzcxnSDVjAopEUjljkWh8EIrg6tlzrjFUfMcR1EVsRDGwf/ccef0qQPRyOrROwhrTDaApueq+ja+KLPlzR/zdg=="],
@@ -6563,10 +6536,6 @@

    "esbuild-plugin-copy/chokidar": ["chokidar@3.6.0", "", { "dependencies": { "anymatch": "~3.1.2", "braces": "~3.0.2", "glob-parent": "~5.1.2", "is-binary-path": "~2.1.0", "is-glob": "~4.0.1", "normalize-path": "~3.0.0", "readdirp": "~3.6.0" }, "optionalDependencies": { "fsevents": "~2.3.2" } }, "sha512-7VT13fmjotKpGipCW9JEQAusEPE+Ei8nl6/g4FBAmIm0GOOLMua9NDDo/DWp0ZAxCr3cPq5ZpBqmPAQgDda2Pw=="],

-    "execa/get-stream": ["get-stream@6.0.1", "", {}, "sha512-ts6Wi+2j3jQjqi70w5AlN8DFnkSwC+MqmxEzdEALB2qXZYV3X/b1CTfgPLGJNMeAWxdPfU8FO1ms3NUfaHCPYg=="],
-
-    "execa/signal-exit": ["signal-exit@3.0.7", "", {}, "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ=="],
-
    "express/cookie": ["cookie@0.7.2", "", {}, "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w=="],

    "fetch-blob/web-streams-polyfill": ["web-streams-polyfill@3.3.3", "", {}, "sha512-d2JWLCivmZYTSIoge9MsgFCZrt571BikcWGYkjC1khllbTeDlGqZ2D8vD8E/lJa8WGWbb7Plm8/XJYV7IJHZZw=="],
@@ -7323,8 +7292,6 @@

    "@tailwindcss/node/lightningcss/lightningcss-win32-x64-msvc": ["lightningcss-win32-x64-msvc@1.32.0", "", { "os": "win32", "cpu": "x64" }, "sha512-Amq9B/SoZYdDi1kFrojnoqPLxYhQ4Wo5XiL8EVJrVsB8ARoC1PWW6VGtT0WKCemjy8aC+louJnjS7U18x3b06Q=="],

-    "@vercel/functions/@vercel/oidc/jose": ["jose@5.9.6", "", {}, "sha512-AMlnetc9+CV9asI19zHmrgS/WYsWUwCn2R7RzlbJWD7F9eWYUTGyBmU9o6PxngtLGOiDGPRu+Uc4fhKzbpteZQ=="],
-
    "@vitest/expect/@vitest/utils/@vitest/pretty-format": ["@vitest/pretty-format@3.2.4", "", { "dependencies": { "tinyrainbow": "^2.0.0" } }, "sha512-IVNZik8IVRJRTr9fxlitMKeJeXFFFN0JaB9PHPGQ8NKQbGpfjlTx9zO4RefN8gp7eqjNy8nyK3NZmBzOPeIxtA=="],

    "ai-gateway-provider/@ai-sdk/openai/@ai-sdk/provider": ["@ai-sdk/provider@3.0.14", "", { "dependencies": { "json-schema": "^0.4.0" } }, "sha512-5X1k57JBJ4H7H1QjX7CnJYAB1I19r/trVZTMcSms7/kLNZ8RaU4Nt2agcwZzv82Hfx6Q7/TOLU7agAKeFfc8cA=="],
@@ -1,8 +1,8 @@
 {
  "nodeModules": {
-    "x86_64-linux": "sha256-P8AZ2THuXiET4hiSYTwGGdTgbm2l3XGZGJxQwg6lusE=",
-    "aarch64-linux": "sha256-73LxDeDPQspY4Bn/gbGU43j/k7gBZ5ywMMpUjDl3elg=",
-    "aarch64-darwin": "sha256-sc9YyTAFlbWxlFb9vwFYLs6IYd3SRoju9mQufzeQdd8=",
-    "x86_64-darwin": "sha256-nnk637DELjzGB3t9aLDYbHz5h3Dd3nvWcWGdaQk8yPM="
+    "x86_64-linux": "sha256-LvDHCOm8OAZfvb0I0L6AbdOevRoQmEJnnqrSgAiNHv8=",
+    "aarch64-linux": "sha256-O0L0iHjb4cwl9xWHIna8VFHyQzoAKzfY8oMpVNayMOg=",
+    "aarch64-darwin": "sha256-ETP8FE71NqufYDUbR7tBdsMEOVQ44wLmsZBeZiSRBRY=",
+    "x86_64-darwin": "sha256-WUcoLldDriT3QxcdlnBQhuPrxDNub0EDvvZXk/pDMpY="
  }
 }
@@ -39,10 +39,10 @@
      "packages/stats/*"
    ],
    "catalog": {
-      "@effect/opentelemetry": "4.0.0-rc.110",
-      "@effect/platform-node": "4.0.0-rc.110",
-      "@effect/platform-node-shared": "4.0.0-rc.110",
-      "@effect/sql-sqlite-bun": "4.0.0-rc.110",
+      "@effect/opentelemetry": "4.0.0-rc.111",
+      "@effect/platform-node": "4.0.0-rc.111",
+      "@effect/platform-node-shared": "4.0.0-rc.111",
+      "@effect/sql-sqlite-bun": "4.0.0-rc.111",
      "@npmcli/arborist": "9.4.0",
      "@types/bun": "1.3.13",
      "@types/cross-spawn": "6.0.6",
@@ -71,9 +71,9 @@
      "@tailwindcss/vite": "4.1.11",
      "diff": "8.0.2",
      "dompurify": "3.3.1",
-      "drizzle-kit": "1.0.0-rc.2",
-      "drizzle-orm": "1.0.0-rc.2",
-      "effect": "4.0.0-rc.110",
+      "drizzle-kit": "1.0.0-rc.5-ab785fc",
+      "drizzle-orm": "1.0.0-rc.5-169397b",
+      "effect": "4.0.0-rc.111",
      "ai": "6.0.168",
      "cross-spawn": "7.0.6",
      "hono": "4.10.7",
@@ -166,7 +166,6 @@
    "@npmcli/agent@4.0.2": "patches/@npmcli%2Fagent@4.0.2.patch",
    "@silvia-odwyer/photon-node@0.3.4": "patches/@silvia-odwyer%2Fphoton-node@0.3.4.patch",
    "@standard-community/standard-openapi@0.2.9": "patches/@standard-community%2Fstandard-openapi@0.2.9.patch",
-    "drizzle-orm@1.0.0-rc.2": "patches/drizzle-orm@1.0.0-rc.2.patch",
    "solid-js@1.9.10": "patches/solid-js@1.9.10.patch",
    "@ai-sdk/mistral@3.0.51": "patches/@ai-sdk%2Fmistral@3.0.51.patch",
    "gcp-metadata@8.1.2": "patches/gcp-metadata@8.1.2.patch",
@@ -213,7 +213,7 @@ Errors must be expressed as `ToolFailure`. The runtime catches it and emits a `t
 - Input failed the `parameters` Schema.
 - The handler returned a `ToolFailure`.

-Provider-defined / hosted tools (Anthropic `web_search` / `code_execution` / `web_fetch`, OpenAI Responses `web_search_call` / `file_search_call` / `code_interpreter_call` / `mcp_call` / `local_shell_call` / `image_generation_call` / `computer_use_call`) pass through the runtime untouched:
+Provider-defined / hosted tools (Anthropic `web_search` / `code_execution` / `web_fetch`, OpenAI Responses `web_search_call` / `file_search_call` / `code_interpreter_call` / `mcp_call` / `image_generation_call` / `computer_use_call`) pass through the runtime untouched:

 - Routes surface the model's call as a `tool-call` event with `providerExecuted: true`, and the provider's result as a matching `tool-result` event with `providerExecuted: true`.
 - Callers detect `providerExecuted` on `tool-call` and **skip local dispatch** — no handler is invoked and no `tool-error` is raised for "unknown tool". The provider already executed it.
@@ -1,3 +1,4 @@
+import { Buffer } from "node:buffer"
 import { Effect, Schema } from "effect"
 import { Tool } from "@opencode-ai/schema/tool"
 import { Route } from "../route/client.js"
@@ -41,6 +42,7 @@ const SSE_EVENTS = new Set([
  "content_block_start",
  "content_block_delta",
  "content_block_stop",
+  "ping",
  "error",
 ])
 export const framing = Framing.sseEvents(SSE_EVENTS)
@@ -53,7 +55,7 @@ export type ThinkingInput =
  | {
      readonly type: "disabled"
    }
-  | ({ readonly type: "enabled" } & (
+  | ({ readonly type: "enabled"; readonly display?: "summarized" | "omitted" } & (
      | { readonly budgetTokens: number; readonly budget_tokens?: number }
      | { readonly budgetTokens?: number; readonly budget_tokens: number }
    ))
@@ -62,6 +64,19 @@ export interface OptionsInput {
  readonly [key: string]: unknown
  readonly thinking?: ThinkingInput
  readonly effort?: string
+  readonly service_tier?: "auto" | "standard_only"
+  readonly serviceTier?: "auto" | "standard_only"
+  // SDK Metadata:2649 {user_id?: string | null}
+  readonly metadata?: { readonly user_id?: string | null }
+  // SDK MessageCreateParamsContainer:2596 ContainerParams|string
+  readonly container?: string | { readonly id?: string | null; readonly skills?: ReadonlyArray<Record<string, unknown>> | null }
+  readonly inference_geo?: string | null
+  readonly inferenceGeo?: string | null
+  readonly cache_control?: { readonly type: "ephemeral"; readonly ttl?: "5m" | "1h" }
+  readonly cacheControl?: { readonly type: "ephemeral"; readonly ttl?: "5m" | "1h" }
+  // SDK OutputConfig:2684 {effort, format: JSONOutputFormat}
+  readonly output_config?: { readonly effort?: string | null; readonly format?: { readonly type: "json_schema"; readonly schema: Record<string, unknown> } | null }
+  readonly outputConfig?: { readonly effort?: string | null; readonly format?: { readonly type: "json_schema"; readonly schema: Record<string, unknown> } | null }
 }

 export type ProviderOptionsInput = OptionsInput
@@ -81,25 +96,61 @@ const AnthropicTextBlock = Schema.Struct({
 })
 type AnthropicTextBlock = Schema.Schema.Type<typeof AnthropicTextBlock>

+// SDK: Base64ImageSource:201 {type:"base64", media_type:"image/jpeg"|... , data}, URLImageSource:3817 {type:"url", url}, FileImageSource:2350 {type:"file", file_id}
+// SDK: ImageBlockParam:2356 {source: Base64|URL|File, cache_control, transformations:2381 {oversized_image?}}
+const AnthropicBase64ImageSource = Schema.Struct({
+  type: Schema.tag("base64"),
+  media_type: Schema.String,
+  data: Schema.String,
+})
+const AnthropicURLImageSource = Schema.Struct({ type: Schema.tag("url"), url: Schema.String })
+const AnthropicFileImageSource = Schema.Struct({ type: Schema.tag("file"), file_id: Schema.String })
+const AnthropicImageSource = Schema.Union([
+  AnthropicBase64ImageSource,
+  AnthropicURLImageSource,
+  AnthropicFileImageSource,
+])
+const AnthropicImageTransformations = Schema.Struct({
+  oversized_image: Schema.optional(Schema.Literals(["downsize", "error"])),
+})
+
 const AnthropicImageBlock = Schema.Struct({
  type: Schema.tag("image"),
-  source: Schema.Struct({
-    type: Schema.tag("base64"),
-    media_type: Schema.String,
-    data: Schema.String,
-  }),
+  source: AnthropicImageSource,
  cache_control: Schema.optional(AnthropicCacheControl),
+  transformations: Schema.optional(AnthropicImageTransformations),
 })
 type AnthropicImageBlock = Schema.Schema.Type<typeof AnthropicImageBlock>

+// SDK: Base64PDFSource:209 {type:"base64", media_type:"application/pdf", data}, PlainTextSource:2716 {type:"text", media_type:"text/plain", data},
+// SDK: URLPDFSource:3823 {type:"url", url}, FileDocumentSource:2344 {type:"file", file_id}, ContentBlockSource:2266 {type:"content", content}
+// SDK: DocumentBlockParam:2297 {source: 5-way union, cache_control, citations, context, title}
+const AnthropicBase64PDFSource = Schema.Struct({
+  type: Schema.tag("base64"),
+  media_type: Schema.Literal("application/pdf"),
+  data: Schema.String,
+})
+const AnthropicPlainTextSource = Schema.Struct({
+  type: Schema.tag("text"),
+  media_type: Schema.Literal("text/plain"),
+  data: Schema.String,
+})
+const AnthropicURLPDFSource = Schema.Struct({ type: Schema.tag("url"), url: Schema.String })
+const AnthropicFileDocumentSource = Schema.Struct({ type: Schema.tag("file"), file_id: Schema.String })
+const AnthropicDocumentSource = Schema.Union([
+  AnthropicBase64PDFSource,
+  AnthropicPlainTextSource,
+  AnthropicURLPDFSource,
+  AnthropicFileDocumentSource,
+])
+
 const AnthropicDocumentBlock = Schema.Struct({
  type: Schema.tag("document"),
-  source: Schema.Struct({
-    type: Schema.tag("base64"),
-    media_type: Schema.Literal("application/pdf"),
-    data: Schema.String,
-  }),
+  source: AnthropicDocumentSource,
  cache_control: Schema.optional(AnthropicCacheControl),
+  title: Schema.optional(Schema.String),
+  context: Schema.optional(Schema.String),
+  citations: Schema.optional(Schema.Struct({ enabled: Schema.Boolean })),
 })
 type AnthropicDocumentBlock = Schema.Schema.Type<typeof AnthropicDocumentBlock>

@@ -204,14 +255,18 @@ const AnthropicTool = Schema.Struct({
 type AnthropicTool = Schema.Schema.Type<typeof AnthropicTool>

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

 const AnthropicThinking = Schema.Union([
  Schema.Struct({
    type: Schema.tag("enabled"),
    budget_tokens: Schema.Number,
+    display: Schema.optional(Schema.Literals(["summarized", "omitted"])),
  }),
  Schema.Struct({
    type: Schema.tag("adaptive"),
@@ -222,10 +277,28 @@ const AnthropicThinking = Schema.Union([
  }),
 ])

+// SDK OutputConfig:2684 {effort?: "low"|"medium"|"high"|"xhigh"|"max"|null, format?: JSONOutputFormat:2399}
+const AnthropicJsonOutputFormat = Schema.Struct({
+  type: Schema.Literal("json_schema"),
+  schema: JsonObject,
+})
 const AnthropicOutputConfig = Schema.Struct({
  effort: Schema.optional(Schema.String),
+  format: Schema.optional(Schema.NullOr(AnthropicJsonOutputFormat)),
 })

+// SDK Metadata:2649 {user_id?: string|null}
+const AnthropicMetadata = Schema.Struct({ user_id: optionalNull(Schema.String) })
+
+// SDK MessageCreateParamsContainer:2596 ContainerParams|string; ContainerParams:2172 {id?, skills?}
+const AnthropicContainer = Schema.Union([
+  Schema.String,
+  Schema.Struct({
+    id: optionalNull(Schema.String),
+    skills: optionalNull(Schema.Array(JsonObject)),
+  }),
+])
+
 const AnthropicBodyFields = {
  model: Schema.String,
  system: optionalArray(AnthropicTextBlock),
@@ -240,6 +313,12 @@ const AnthropicBodyFields = {
  stop_sequences: optionalArray(Schema.String),
  thinking: Schema.optional(AnthropicThinking),
  output_config: Schema.optional(AnthropicOutputConfig),
+  // SDK top-level passthrough: cache_control:4638, container:4643, inference_geo:4649, metadata:4654, service_tier:4670
+  cache_control: Schema.optional(AnthropicCacheControl),
+  container: Schema.optional(Schema.NullOr(AnthropicContainer)),
+  inference_geo: Schema.optional(Schema.NullOr(Schema.String)),
+  metadata: Schema.optional(AnthropicMetadata),
+  service_tier: Schema.optional(Schema.Literals(["auto", "standard_only"])),
 }
 export const AnthropicMessagesBody = Schema.Struct(AnthropicBodyFields)
 export type AnthropicMessagesBody = Schema.Schema.Type<typeof AnthropicMessagesBody>
@@ -368,10 +447,26 @@ const lowerTool = (breakpoints: Cache.Breakpoints, tool: ToolDefinition, inputSc

 const lowerToolChoice = (toolChoice: NonNullable<LLMRequest["toolChoice"]>) =>
  ProviderShared.matchToolChoice("Anthropic Messages", toolChoice, {
-    auto: () => ({ type: "auto" as const }),
+    auto: () => ({
+      type: "auto" as const,
+      ...(toolChoice.disableParallelToolUse === undefined
+        ? {}
+        : { disable_parallel_tool_use: toolChoice.disableParallelToolUse }),
+    }),
    none: () => ({ type: "none" as const }),
-    required: () => ({ type: "any" as const }),
-    tool: (name) => ({ type: "tool" as const, name }),
+    required: () => ({
+      type: "any" as const,
+      ...(toolChoice.disableParallelToolUse === undefined
+        ? {}
+        : { disable_parallel_tool_use: toolChoice.disableParallelToolUse }),
+    }),
+    tool: (name) => ({
+      type: "tool" as const,
+      name,
+      ...(toolChoice.disableParallelToolUse === undefined
+        ? {}
+        : { disable_parallel_tool_use: toolChoice.disableParallelToolUse }),
+    }),
  })

 const scrubToolCallID = (id: string) => id.replace(/[^a-zA-Z0-9_-]/g, "_")
@@ -410,7 +505,152 @@ const lowerServerToolResult = Effect.fn("AnthropicMessages.lowerServerToolResult
  return { type: wireType, tool_use_id: scrubToolCallID(part.id), content: payload } satisfies AnthropicServerToolResultBlock
 })

-const lowerMedia = Effect.fn("AnthropicMessages.lowerMedia")(function* (part: MediaPart) {
+const fileIdFromMetadata = (metadata: MediaPart["metadata"]): string | undefined => {
+  if (!ProviderShared.isRecord(metadata)) return undefined
+  const anthropic = metadata.anthropic
+  if (ProviderShared.isRecord(anthropic)) {
+    if (typeof anthropic.file_id === "string") return anthropic.file_id
+    if (typeof anthropic.fileId === "string") return anthropic.fileId
+  }
+  if (typeof metadata.file_id === "string") return metadata.file_id
+  if (typeof metadata.fileId === "string") return metadata.fileId
+  return undefined
+}
+
+const transformationsFromMetadata = (
+  metadata: MediaPart["metadata"],
+): AnthropicImageBlock["transformations"] | undefined => {
+  if (!ProviderShared.isRecord(metadata)) return undefined
+  const anthropic = ProviderShared.isRecord(metadata.anthropic) ? metadata.anthropic : undefined
+  const raw = anthropic?.transformations ?? metadata.transformations
+  if (ProviderShared.isRecord(raw)) {
+    const value = raw.oversized_image
+    if (value === "downsize" || value === "error") return { oversized_image: value }
+  }
+  if (anthropic && (anthropic.oversized_image === "downsize" || anthropic.oversized_image === "error"))
+    return { oversized_image: anthropic.oversized_image }
+  return undefined
+}
+
+const documentTitleFromPart = (part: MediaPart): string | undefined => {
+  if (ProviderShared.isRecord(part.metadata)) {
+    const anthropic = part.metadata.anthropic
+    if (ProviderShared.isRecord(anthropic) && typeof anthropic.title === "string") return anthropic.title
+    if (typeof part.metadata.title === "string") return part.metadata.title
+  }
+  if (typeof part.filename === "string" && part.filename.length > 0) return part.filename
+  return undefined
+}
+
+const documentContextFromMetadata = (metadata: MediaPart["metadata"]): string | undefined => {
+  if (!ProviderShared.isRecord(metadata)) return undefined
+  const anthropic = ProviderShared.isRecord(metadata.anthropic) ? metadata.anthropic : undefined
+  if (anthropic && typeof anthropic.context === "string") return anthropic.context
+  if (typeof metadata.context === "string") return metadata.context
+  return undefined
+}
+
+const citationsFromMetadata = (
+  metadata: MediaPart["metadata"],
+): AnthropicDocumentBlock["citations"] | undefined => {
+  if (!ProviderShared.isRecord(metadata)) return undefined
+  const raw = ProviderShared.isRecord(metadata.anthropic)
+    ? (metadata.anthropic.citations ?? metadata.citations)
+    : metadata.citations
+  if (ProviderShared.isRecord(raw) && typeof raw.enabled === "boolean") return { enabled: raw.enabled }
+  return undefined
+}
+
+const isHttpUrl = (value: string) => /^https?:\/\//i.test(value.trim())
+
+const lowerMedia = Effect.fn("AnthropicMessages.lowerMedia")(function* (
+  part: MediaPart,
+  breakpoints?: Cache.Breakpoints,
+) {
+  const mime = part.mediaType.toLowerCase()
+  const cacheControlValue = breakpoints ? cacheControl(breakpoints, part.cache) : undefined
+  const fileId = fileIdFromMetadata(part.metadata)
+
+  // SDK file sources: FileImageSource:2350 / FileDocumentSource:2344 {type:"file", file_id}
+  if (fileId) {
+    if (mime.startsWith("image/"))
+      return {
+        type: "image" as const,
+        source: { type: "file" as const, file_id: fileId },
+        ...(cacheControlValue === undefined ? {} : { cache_control: cacheControlValue }),
+        ...(transformationsFromMetadata(part.metadata) === undefined
+          ? {}
+          : { transformations: transformationsFromMetadata(part.metadata)! }),
+      } satisfies AnthropicImageBlock
+    return {
+      type: "document" as const,
+      source: { type: "file" as const, file_id: fileId },
+      ...(cacheControlValue === undefined ? {} : { cache_control: cacheControlValue }),
+      ...(documentTitleFromPart(part) === undefined ? {} : { title: documentTitleFromPart(part)! }),
+      ...(documentContextFromMetadata(part.metadata) === undefined
+        ? {}
+        : { context: documentContextFromMetadata(part.metadata)! }),
+      ...(citationsFromMetadata(part.metadata) === undefined
+        ? {}
+        : { citations: citationsFromMetadata(part.metadata)! }),
+    } satisfies AnthropicDocumentBlock
+  }
+
+  const rawString = typeof part.data === "string" ? part.data.trim() : undefined
+  // SDK URL sources: URLImageSource:3817 / URLPDFSource:3823 {type:"url", url}
+  if (rawString && isHttpUrl(rawString) && !rawString.startsWith("data:")) {
+    if (mime.startsWith("image/"))
+      return {
+        type: "image" as const,
+        source: { type: "url" as const, url: rawString },
+        ...(cacheControlValue === undefined ? {} : { cache_control: cacheControlValue }),
+        ...(transformationsFromMetadata(part.metadata) === undefined
+          ? {}
+          : { transformations: transformationsFromMetadata(part.metadata)! }),
+      } satisfies AnthropicImageBlock
+    if (mime === "application/pdf")
+      return {
+        type: "document" as const,
+        source: { type: "url" as const, url: rawString },
+        ...(cacheControlValue === undefined ? {} : { cache_control: cacheControlValue }),
+        ...(documentTitleFromPart(part) === undefined ? {} : { title: documentTitleFromPart(part)! }),
+        ...(documentContextFromMetadata(part.metadata) === undefined
+          ? {}
+          : { context: documentContextFromMetadata(part.metadata)! }),
+        ...(citationsFromMetadata(part.metadata) === undefined
+          ? {}
+          : { citations: citationsFromMetadata(part.metadata)! }),
+      } satisfies AnthropicDocumentBlock
+  }
+
+  // SDK PlainTextSource:2716 {type:"text", media_type:"text/plain", data}
+  if (mime === "text/plain") {
+    const textData =
+      typeof part.data !== "string"
+        ? Buffer.from(part.data).toString("utf8")
+        : part.data.startsWith("data:")
+          ? (() => {
+              const comma = part.data.indexOf(",")
+              const payload = comma >= 0 ? part.data.slice(comma + 1) : part.data
+              return part.data.includes(";base64")
+                ? Buffer.from(payload, "base64").toString("utf8")
+                : decodeURIComponent(payload)
+            })()
+          : part.data
+    return {
+      type: "document" as const,
+      source: { type: "text" as const, media_type: "text/plain" as const, data: textData },
+      ...(cacheControlValue === undefined ? {} : { cache_control: cacheControlValue }),
+      ...(documentTitleFromPart(part) === undefined ? {} : { title: documentTitleFromPart(part)! }),
+      ...(documentContextFromMetadata(part.metadata) === undefined
+        ? {}
+        : { context: documentContextFromMetadata(part.metadata)! }),
+      ...(citationsFromMetadata(part.metadata) === undefined
+        ? {}
+        : { citations: citationsFromMetadata(part.metadata)! }),
+    } satisfies AnthropicDocumentBlock
+  }
+
  const media = ProviderShared.normalizeMedia(part)
  if (media.mime === "application/pdf")
    return {
@@ -420,6 +660,14 @@ const lowerMedia = Effect.fn("AnthropicMessages.lowerMedia")(function* (part: Me
        media_type: "application/pdf" as const,
        data: media.base64,
      },
+      ...(cacheControlValue === undefined ? {} : { cache_control: cacheControlValue }),
+      ...(documentTitleFromPart(part) === undefined ? {} : { title: documentTitleFromPart(part)! }),
+      ...(documentContextFromMetadata(part.metadata) === undefined
+        ? {}
+        : { context: documentContextFromMetadata(part.metadata)! }),
+      ...(citationsFromMetadata(part.metadata) === undefined
+        ? {}
+        : { citations: citationsFromMetadata(part.metadata)! }),
    } satisfies AnthropicDocumentBlock
  if (!media.mime.startsWith("image/"))
    return yield* invalid(`Anthropic Messages does not support media type ${part.mediaType}`)
@@ -430,6 +678,10 @@ const lowerMedia = Effect.fn("AnthropicMessages.lowerMedia")(function* (part: Me
      media_type: media.mime,
      data: media.base64,
    },
+    ...(cacheControlValue === undefined ? {} : { cache_control: cacheControlValue }),
+    ...(transformationsFromMetadata(part.metadata) === undefined
+      ? {}
+      : { transformations: transformationsFromMetadata(part.metadata)! }),
  } satisfies AnthropicImageBlock
 })

@@ -538,7 +790,7 @@ const lowerMessages = Effect.fn("AnthropicMessages.lowerMessages")(function* (
          continue
        }
        if (part.type === "media") {
-          content.push(yield* lowerMedia(part))
+          content.push(yield* lowerMedia(part, breakpoints))
          continue
        }
        return yield* ProviderShared.unsupportedContent("Anthropic Messages", "user", ["text", "media"])
@@ -605,24 +857,74 @@ const lowerMessages = Effect.fn("AnthropicMessages.lowerMessages")(function* (
 })

 const resolveOptions = Effect.fn("AnthropicMessages.resolveOptions")(function* (request: LLMRequest) {
-  const input = request.providerOptions
+  const input = request.providerOptions as Record<string, unknown> | undefined
+  const rawServiceTier = (input as Record<string, unknown> | undefined)?.service_tier ?? (input as Record<string, unknown> | undefined)?.serviceTier
+  const service_tier =
+    rawServiceTier === "auto" || rawServiceTier === "standard_only"
+      ? (rawServiceTier as "auto" | "standard_only")
+      : undefined
+  const rawMetadata = (input as Record<string, unknown> | undefined)?.metadata
+  const metadata =
+    ProviderShared.isRecord(rawMetadata) &&
+    (typeof rawMetadata.user_id === "string" || rawMetadata.user_id === null)
+      ? { user_id: rawMetadata.user_id as string | null }
+      : undefined
+  const container =
+    typeof (input as Record<string, unknown> | undefined)?.container === "string" ||
+    ProviderShared.isRecord((input as Record<string, unknown> | undefined)?.container)
+      ? ((input as Record<string, unknown>).container as string | { id?: string | null; skills?: ReadonlyArray<Record<string, unknown>> | null })
+      : undefined
+  const rawInferenceGeo =
+    (input as Record<string, unknown> | undefined)?.inference_geo ??
+    (input as Record<string, unknown> | undefined)?.inferenceGeo
+  const inference_geo = typeof rawInferenceGeo === "string" ? rawInferenceGeo : undefined
+  const rawCacheControl =
+    (input as Record<string, unknown> | undefined)?.cache_control ??
+    (input as Record<string, unknown> | undefined)?.cacheControl
+  const cache_control =
+    ProviderShared.isRecord(rawCacheControl) && rawCacheControl.type === "ephemeral"
+      ? (rawCacheControl as { type: "ephemeral"; ttl?: "5m" | "1h" })
+      : undefined
+  const rawOutputConfig =
+    (input as Record<string, unknown> | undefined)?.output_config ??
+    (input as Record<string, unknown> | undefined)?.outputConfig
+  const outputConfigEffort =
+    typeof (input as Record<string, unknown> | undefined)?.effort === "string"
+      ? ((input as Record<string, unknown>).effort as string)
+      : ProviderShared.isRecord(rawOutputConfig) && typeof rawOutputConfig.effort === "string"
+        ? (rawOutputConfig.effort as string)
+        : undefined
+  const outputConfigFormat =
+    ProviderShared.isRecord(rawOutputConfig) && ProviderShared.isRecord(rawOutputConfig.format)
+      ? (rawOutputConfig.format as { type: "json_schema"; schema: Record<string, unknown> })
+      : undefined
+  const output_config =
+    outputConfigEffort === undefined && outputConfigFormat === undefined
+      ? undefined
+      : {
+          ...(outputConfigEffort === undefined ? {} : { effort: outputConfigEffort }),
+          ...(outputConfigFormat === undefined ? {} : { format: outputConfigFormat }),
+        }
  return {
    thinking: yield* resolveThinking(input?.thinking),
-    effort: typeof input?.effort === "string" ? input.effort : undefined,
+    effort: outputConfigEffort,
+    output_config,
+    service_tier,
+    metadata,
+    container,
+    inference_geo,
+    cache_control,
  }
 })

 const resolveThinking = Effect.fn("AnthropicMessages.resolveThinking")(function* (input: unknown) {
  if (!ProviderShared.isRecord(input)) return undefined
-  if (input.type === "adaptive") {
-    const display =
-      input.display === "summarized"
-        ? ("summarized" as const)
-        : input.display === "omitted"
-          ? ("omitted" as const)
-          : undefined
+  const display =
+    input.display === "summarized" || input.display === "omitted"
+      ? (input.display as "summarized" | "omitted")
+      : undefined
+  if (input.type === "adaptive")
    return { type: "adaptive" as const, ...(display === undefined ? {} : { display }) }
-  }
  if (input.type === "disabled") return { type: "disabled" as const }
  if (input.type !== "enabled") return undefined
  const budget =
@@ -633,7 +935,7 @@ const resolveThinking = Effect.fn("AnthropicMessages.resolveThinking")(function*
        : undefined
  if (budget === undefined)
    return yield* ProviderShared.invalidRequest("Anthropic thinking provider option requires budgetTokens")
-  return { type: "enabled" as const, budget_tokens: budget }
+  return { type: "enabled" as const, budget_tokens: budget, ...(display === undefined ? {} : { display }) }
 })

 const fromRequest = Effect.fn("AnthropicMessages.fromRequest")(function* (request: LLMRequest) {
@@ -683,7 +985,13 @@ const fromRequest = Effect.fn("AnthropicMessages.fromRequest")(function* (reques
    top_k: generation?.topK,
    stop_sequences: generation?.stop,
    thinking: options.thinking,
-    output_config: options.effort === undefined ? undefined : { effort: options.effort },
+    output_config: options.output_config,
+    // top-level passthrough per SDK MessageCreateParamsBase:4638,4643,4649,4654,4670
+    cache_control: options.cache_control,
+    container: options.container,
+    inference_geo: options.inference_geo,
+    metadata: options.metadata,
+    service_tier: options.service_tier,
  }
 })

@@ -794,7 +1102,8 @@ const onContentBlockStart = (state: ParserState, event: AnthropicEvent): StepRes
  const block = event.content_block
  if (!block) return [state, NO_EVENTS]

-  if ((block.type === "tool_use" || block.type === "server_tool_use") && event.index !== undefined) {
+  if (block.type === "tool_use" || block.type === "server_tool_use") {
+    if (event.index === undefined || !block.id) return [state, NO_EVENTS]
    const events: LLMEvent[] = []
    const lifecycle = Lifecycle.stepStart(state.lifecycle, events)
    return [
@@ -802,7 +1111,7 @@ const onContentBlockStart = (state: ParserState, event: AnthropicEvent): StepRes
        ...state,
        lifecycle,
        tools: ToolStream.start(state.tools, event.index, {
-          id: block.id ?? String(event.index),
+          id: block.id,
          name: block.name ?? "",
          input:
            block.input !== undefined && (!ProviderShared.isRecord(block.input) || Object.keys(block.input).length > 0)
@@ -814,7 +1123,7 @@ const onContentBlockStart = (state: ParserState, event: AnthropicEvent): StepRes
      [
        ...events,
        LLMEvent.toolInputStart({
-          id: block.id ?? String(event.index),
+          id: block.id,
          name: block.name ?? "",
          providerExecuted: block.type === "server_tool_use" ? true : undefined,
        }),
@@ -1004,15 +1313,28 @@ const providerErrorMessage = (event: AnthropicEvent): string => {
 }

 const onError = (event: AnthropicEvent) =>
-  new AIError({
-    module: ADAPTER,
-    method: "stream",
-    reason: classifyProviderFailure({ message: providerErrorMessage(event), code: event.error?.type }),
-  })
+  Effect.fail(
+    new AIError({
+      module: ADAPTER,
+      method: "stream",
+      reason: classifyProviderFailure({ message: providerErrorMessage(event), code: event.error?.type }),
+    }),
+  )

 const step = (state: ParserState, event: AnthropicEvent) => {
  if (event.type === "message_start") return Effect.succeed(onMessageStart(state, event))
-  if (event.type === "content_block_start") return Effect.succeed(onContentBlockStart(state, event))
+  if (event.type === "content_block_start") {
+    const block = event.content_block
+    if (block && (block.type === "tool_use" || block.type === "server_tool_use")) {
+      if (event.index === undefined)
+        return Effect.fail(ProviderShared.eventError(ADAPTER, `Anthropic ${block.type} missing index`))
+      if (!block.id)
+        return Effect.fail(
+          ProviderShared.eventError(ADAPTER, `Anthropic tool_use missing id at index ${event.index}`),
+        )
+    }
+    return Effect.succeed(onContentBlockStart(state, event))
+  }
  if (event.type === "content_block_delta") return onContentBlockDelta(state, event)
  if (event.type === "content_block_stop") return onContentBlockStop(state, event)
  if (event.type === "message_delta") return Effect.succeed(onMessageDelta(state, event))
@@ -1051,7 +1373,10 @@ export const route = Route.make({
  provider: "anthropic",
  providerMetadataKey: "anthropic",
  protocol,
-  endpoint: Endpoint.path(PATH, { baseURL: DEFAULT_BASE_URL }),
+  endpoint: Endpoint.path(
+    (input) => (input.request.model.provider === "anthropic" ? `${PATH}?beta=true` : PATH),
+    { baseURL: DEFAULT_BASE_URL },
+  ),
  auth: Auth.none,
  framing,
  headers: () => ({ "anthropic-version": "2023-06-01" }),
@@ -17,7 +17,7 @@ import {
  type ToolCallPart,
  type ToolDefinition,
 } from "../schema/index.js"
-import { JsonObject, optionalArray, ProviderShared } from "./shared.js"
+import { JsonObject, optionalArray, optionalNull, ProviderShared } from "./shared.js"
 import { GeminiToolSchema } from "./utils/gemini-tool-schema.js"
 import { Lifecycle } from "./utils/lifecycle.js"
 import { ToolSchemaProjection } from "./utils/tool-schema.js"
@@ -41,6 +41,13 @@ const requiresThoughtSignatureFallback = (modelID: string) => {
 // so their tool-result attachments lower as a separate user turn instead.
 const routesLegacyToolMedia = (modelID: string) => /gemini-2[.-]5(?:[.-]|$)/i.test(modelID)

+// Blacklist: Gemini 1.x/2.x ignore or reject explicit function call ids.
+// Every other model id (Gemini 3+, gemma, anything unrecognized) gets them.
+const omitsFunctionCallIds = (modelID: string) => {
+  const match = /^gemini(?:-live)?-(\d+)/i.exec(modelID)
+  return match !== null && Number(match[1]) < 3
+}
+
 export interface OptionsInput {
  readonly [key: string]: unknown
  readonly cachedContent?: string
@@ -75,10 +82,15 @@ export type ProviderOptionsInput = OptionsInput
 // =============================================================================
 // Request Body Schema
 // =============================================================================
+// Gemini is known to send explicit `null` for optional streaming fields
+// (usage counts, flags, whole subtrees), so every response-side optional uses
+// `optionalNull` instead of bare `Schema.optional`. The same part/content
+// schemas lower the outbound request body; encoding drops `undefined` keys,
+// so the shared schemas stay safe there.
 const GeminiTextPart = Schema.Struct({
  text: Schema.String,
-  thought: Schema.optional(Schema.Boolean),
-  thoughtSignature: Schema.optional(Schema.String),
+  thought: optionalNull(Schema.Boolean),
+  thoughtSignature: optionalNull(Schema.String),
 })

 const GeminiInlineDataPart = Schema.Struct({
@@ -91,11 +103,11 @@ type GeminiInlineDataPart = Schema.Schema.Type<typeof GeminiInlineDataPart>

 const GeminiFunctionCallPart = Schema.Struct({
  functionCall: Schema.Struct({
-    id: Schema.optional(Schema.String),
+    id: optionalNull(Schema.String),
    name: Schema.String,
    args: Schema.optional(Schema.Unknown),
  }),
-  thoughtSignature: Schema.optional(Schema.String),
+  thoughtSignature: optionalNull(Schema.String),
 })

 const GeminiFunctionResponsePart = Schema.Struct({
@@ -115,8 +127,8 @@ const GeminiContentPart = Schema.Union([
 ])

 const GeminiContent = Schema.Struct({
-  role: Schema.Literals(["user", "model"]),
-  parts: Schema.Array(GeminiContentPart),
+  role: optionalNull(Schema.Literals(["user", "model"])),
+  parts: optionalNull(Schema.Array(GeminiContentPart)),
 })
 type GeminiContent = Schema.Schema.Type<typeof GeminiContent>

@@ -179,33 +191,33 @@ const GeminiBody = Schema.Struct(GeminiBodyFields)
 export type GeminiBody = Schema.Schema.Type<typeof GeminiBody>

 const GeminiUsage = Schema.Struct({
-  cachedContentTokenCount: Schema.optional(Schema.Number),
-  thoughtsTokenCount: Schema.optional(Schema.Number),
-  promptTokenCount: Schema.optional(Schema.Number),
-  candidatesTokenCount: Schema.optional(Schema.Number),
-  totalTokenCount: Schema.optional(Schema.Number),
+  cachedContentTokenCount: optionalNull(Schema.Number),
+  thoughtsTokenCount: optionalNull(Schema.Number),
+  promptTokenCount: optionalNull(Schema.Number),
+  candidatesTokenCount: optionalNull(Schema.Number),
+  totalTokenCount: optionalNull(Schema.Number),
 })
 type GeminiUsage = Schema.Schema.Type<typeof GeminiUsage>

 const GeminiCandidate = Schema.Struct({
-  content: Schema.optional(GeminiContent),
-  finishReason: Schema.optional(Schema.String),
+  content: optionalNull(GeminiContent),
+  finishReason: optionalNull(Schema.String),
 })

 const GeminiPromptFeedback = Schema.StructWithRest(
  Schema.Struct({
-    blockReason: Schema.optional(Schema.String),
-    blockReasonMessage: Schema.optional(Schema.String),
-    safetyRatings: Schema.optional(Schema.Unknown),
+    blockReason: optionalNull(Schema.String),
+    blockReasonMessage: optionalNull(Schema.String),
+    safetyRatings: optionalNull(Schema.Unknown),
  }),
  [Schema.Record(Schema.String, Schema.Unknown)],
 )
 type GeminiPromptFeedback = Schema.Schema.Type<typeof GeminiPromptFeedback>

 const GeminiEvent = Schema.Struct({
-  candidates: optionalArray(GeminiCandidate),
-  promptFeedback: Schema.optional(GeminiPromptFeedback),
-  usageMetadata: Schema.optional(GeminiUsage),
+  candidates: optionalNull(Schema.Array(GeminiCandidate)),
+  promptFeedback: optionalNull(GeminiPromptFeedback),
+  usageMetadata: optionalNull(GeminiUsage),
 })
 type GeminiEvent = Schema.Schema.Type<typeof GeminiEvent>

@@ -217,6 +229,7 @@ interface ParserState {
  readonly lifecycle: Lifecycle.State
  readonly reasoningSignature?: string
  readonly textSignature?: string
+  readonly seenCallIds?: ReadonlySet<string>
 }

 // =============================================================================
@@ -274,20 +287,14 @@ const thoughtSignature = (providerMetadata: ProviderMetadata | undefined) => {
    : undefined
 }

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

 const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMRequest) {
  const contents: GeminiContent[] = []
+  const omitCallIds = omitsFunctionCallIds(request.model.id)
  const legacyToolMedia = routesLegacyToolMedia(request.model.id)
  let pendingMedia: GeminiInlineDataPart[] | undefined
  const flushMedia = () => {
@@ -303,8 +310,8 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
      const previous = contents.at(-1)
      // Gemini rejects a continuation whose function-response turn carries extra
      // parts, so an update after a tool result starts its own user turn.
-      if (previous?.role === "user" && !previous.parts.some((item) => "functionResponse" in item))
-        contents[contents.length - 1] = { role: "user", parts: [...previous.parts, { text: part.text }] }
+      if (previous?.role === "user" && !(previous.parts ?? []).some((item) => "functionResponse" in item))
+        contents[contents.length - 1] = { role: "user", parts: [...(previous.parts ?? []), { text: part.text }] }
      else contents.push({ role: "user", parts: [{ text: part.text }] })
      continue
    }
@@ -336,7 +343,7 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
          continue
        }
        if (part.type === "tool-call") {
-          const lowered = lowerToolCall(part)
+          const lowered = lowerToolCall(part, omitCallIds)
          const signature = lowered.thoughtSignature
          parts.push({
            ...lowered,
@@ -361,7 +368,7 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
      if (part.result.type !== "content") {
        parts.push({
          functionResponse: {
-            id: functionCallId(part.providerMetadata),
+            ...(omitCallIds ? {} : { id: part.id }),
            name: part.name,
            response: {
              name: part.name,
@@ -382,7 +389,7 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
      if (legacyToolMedia && media.length > 0) (pendingMedia ??= []).push(...media)
      parts.push({
        functionResponse: {
-          id: functionCallId(part.providerMetadata),
+          ...(omitCallIds ? {} : { id: part.id }),
          name: part.name,
          response: {
            name: part.name,
@@ -395,8 +402,8 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
    // Gemini requires every response to a parallel call batch in one user turn,
    // so consecutive tool results join the open function-response turn.
    const previous = contents.at(-1)
-    if (previous?.role === "user" && previous.parts.some((item) => "functionResponse" in item))
-      contents[contents.length - 1] = { role: "user", parts: [...previous.parts, ...parts] }
+    if (previous?.role === "user" && (previous.parts ?? []).some((item) => "functionResponse" in item))
+      contents[contents.length - 1] = { role: "user", parts: [...(previous.parts ?? []), ...parts] }
    else contents.push({ role: "user", parts })
  }

@@ -486,21 +493,25 @@ const fromRequest = Effect.fn("Gemini.fromRequest")(function* (request: LLMReque
 // to produce the inclusive `outputTokens` the rest of the contract expects.
 const mapUsage = (usage: GeminiUsage | undefined) => {
  if (!usage) return undefined
-  const cached = usage.cachedContentTokenCount
-  const nonCached = ProviderShared.subtractTokens(usage.promptTokenCount, cached)
+  // Explicit provider nulls decode as `null`; normalize to `undefined` so the
+  // token arithmetic below treats them like absent counts.
+  const promptTokens = usage.promptTokenCount ?? undefined
+  const cached = usage.cachedContentTokenCount ?? undefined
+  const thoughts = usage.thoughtsTokenCount ?? undefined
+  const visible = usage.candidatesTokenCount ?? undefined
+  const nonCached = ProviderShared.subtractTokens(promptTokens, cached)
  // `candidatesTokenCount` is visible-only; sum with thoughts to produce the
  // inclusive `outputTokens` the contract expects. Only compute the total
  // when the visible component is reported — otherwise we'd fabricate an
  // inclusive number from a partial breakdown.
-  const outputTokens =
-    usage.candidatesTokenCount !== undefined ? usage.candidatesTokenCount + (usage.thoughtsTokenCount ?? 0) : undefined
+  const outputTokens = visible !== undefined ? visible + (thoughts ?? 0) : undefined
  return new Usage({
-    inputTokens: usage.promptTokenCount,
+    inputTokens: promptTokens,
    outputTokens,
    nonCachedInputTokens: nonCached,
    cacheReadInputTokens: cached,
-    reasoningTokens: usage.thoughtsTokenCount,
-    totalTokens: ProviderShared.totalTokens(usage.promptTokenCount, outputTokens, usage.totalTokenCount),
+    reasoningTokens: thoughts,
+    totalTokens: ProviderShared.totalTokens(promptTokens, outputTokens, usage.totalTokenCount ?? undefined),
    providerMetadata: { google: usage },
  })
 }
@@ -535,7 +546,10 @@ const mapFinishReason = (finishReason: string | undefined, hasToolCalls: boolean
 }

 const finish = (state: ParserState): ReadonlyArray<LLMEvent> => {
-  const promptBlockReason = state.finishReason === undefined ? state.promptFeedback?.blockReason : undefined
+  // `?? undefined` normalizes an explicit `null` blockReason back to absent so
+  // the "nothing to finish" check below keeps its meaning.
+  const promptBlockReason =
+    state.finishReason === undefined ? (state.promptFeedback?.blockReason ?? undefined) : undefined
  const finishReason = state.finishReason ?? promptBlockReason
  if (finishReason === undefined && state.usage === undefined) return []

@@ -581,8 +595,10 @@ const step = (state: ParserState, event: GeminiEvent) => {
  let lifecycle = nextState.lifecycle
  let reasoningSignature = nextState.reasoningSignature
  let textSignature = nextState.textSignature
+  // Supplier ids must be tracked across chunks of the same response, not just within one event's parts.
+  const seenCallIds = new Set(nextState.seenCallIds)

-  for (const part of candidate.content.parts) {
+  for (const part of candidate.content.parts ?? []) {
    const signature = "thoughtSignature" in part && part.thoughtSignature ? part.thoughtSignature : undefined
    // Gemini attaches replay signatures to thought parts, visible text, or function calls;
    // each block kind must retain the signature attached to its own parts.
@@ -618,13 +634,14 @@ const step = (state: ParserState, event: GeminiEvent) => {

    if ("functionCall" in part) {
      const input = part.functionCall.args === undefined ? {} : part.functionCall.args
-      // Gemini 2.0+ and Vertex supply a unique function call ID on the part; when omitted (e.g. Gemini 1.5),
+      // Gemini 2.0+ supplies a unique function call ID on the part; when omitted (e.g. Gemini 1.5),
      // generate a globally unique ID rather than a per-request counter to prevent cross-request collisions in downstream registries.
-      const id = part.functionCall.id ?? `tool_${crypto.randomUUID().replaceAll("-", "")}`
-      const metadata = {
-        ...(part.functionCall.id === undefined ? {} : { functionCallId: part.functionCall.id }),
-        ...(part.thoughtSignature === undefined ? {} : { thoughtSignature: part.thoughtSignature }),
-      }
+      // A repeated supplier id would replay as two identical calls, so only the first occurrence keeps it.
+      // A `null` supplier id normalizes to absent so the generated-id fallback applies.
+      const supplied = part.functionCall.id ?? undefined
+      const duplicate = supplied !== undefined && seenCallIds.has(supplied)
+      if (supplied !== undefined) seenCallIds.add(supplied)
+      const id = supplied !== undefined && !duplicate ? supplied : `tool_${crypto.randomUUID().replaceAll("-", "")}`
      lifecycle = Lifecycle.reasoningEnd(
        lifecycle,
        events,
@@ -637,7 +654,8 @@ const step = (state: ParserState, event: GeminiEvent) => {
          id,
          name: part.functionCall.name,
          input,
-          providerMetadata: Object.keys(metadata).length > 0 ? googleMetadata(metadata) : undefined,
+          providerMetadata:
+            part.thoughtSignature ? googleMetadata({ thoughtSignature: part.thoughtSignature }) : undefined,
        }),
      )
      hasToolCalls = true
@@ -651,6 +669,7 @@ const step = (state: ParserState, event: GeminiEvent) => {
      lifecycle,
      reasoningSignature,
      textSignature,
+      seenCallIds,
      finishReason: candidate.finishReason ?? nextState.finishReason,
    },
    events,
@@ -112,6 +112,8 @@ const driver = (options: Options, body: string): WebSocketChannelDriver => {
          responseID = created
          return { type: "frame", frame }
        }
+        // Keepalives carry no response state and may arrive before response.created.
+        if (event.type === "keepalive") return { type: "frame", frame }
        if (!responseID)
          return yield* ProviderShared.eventError(
            options.id,
@@ -5,6 +5,7 @@ import { Protocol } from "../route/protocol.js"
 import {
  AIError,
  LLMEvent,
+  ProviderInternalReason,
  Usage,
  type FinishReason,
  type JsonSchema,
@@ -312,6 +313,9 @@ export const Event = Schema.StructWithRest(
 )
 export type Event = Schema.Schema.Type<typeof Event>

+// Which lowered input item a persisted item id is about to be attached to.
+export type ItemKind = "message" | "reasoning" | "function-call" | "reference"
+
 export interface Extension {
  readonly id: string
  readonly name: string
@@ -320,6 +324,10 @@ export interface Extension {
    readonly media: ProviderShared.NormalizedMedia
    readonly request: LLMRequest
  }) => MediaInput | undefined
+  // Optional grammar check applied before a persisted item id is resent as
+  // part of replayed history. Returning false drops the id; every lowered
+  // item treats a dropped id the same as an absent one.
+  readonly acceptsItemID?: (kind: ItemKind, id: string) => boolean
 }

 const BASE: Extension = { id: ADAPTER, name: NAME }
@@ -345,6 +353,10 @@ interface ReasoningStreamItem {
  // strings, but typing the map as `Record<number, ...>` documents intent
  // and matches the wire field.
  readonly summaryParts: Readonly<Record<number, ReasoningSummaryStatus>>
+  // Summary indexes that received at least one streamed delta. The `:0` block
+  // is started eagerly when the item opens, so block existence cannot tell
+  // whether a `.done` final would duplicate streamed text.
+  readonly deltaIndexes: ReadonlySet<number>
 }

 // =============================================================================
@@ -361,7 +373,7 @@ export const lowerTool = Effect.fn("OpenResponses.lowerTool")(function* (
    type: "function" as const,
    name: tool.name,
    description: tool.description,
-    parameters: ToolSchemaProjection.responses(inputSchema),
+    parameters: inputSchema,
    // The common tool definition does not currently express Responses strict-schema policy.
    strict: false,
  }
@@ -375,28 +387,46 @@ export const lowerToolChoice = (protocolName: string, toolChoice: NonNullable<LL
    tool: (toolName) => ({ type: "function" as const, name: toolName }),
  })

+// Servers validate item ids on replayed history, and a malformed or oversized
+// id can fail an otherwise valid request. Only server-issued tokens are worth
+// resending; anything else is treated as absent so the item is resent without
+// an id (or skipped, for items that cannot be expressed without one).
+const ITEM_ID_PATTERN = /^[A-Za-z0-9_-]{1,64}$/
 const itemID = (providerMetadata: ProviderMetadata | undefined, providerMetadataKey: string) => {
  const metadata = providerMetadata?.[providerMetadataKey]
-  return ProviderShared.isRecord(metadata) && typeof metadata.itemId === "string" && metadata.itemId.length > 0
+  return ProviderShared.isRecord(metadata) &&
+    typeof metadata.itemId === "string" &&
+    ITEM_ID_PATTERN.test(metadata.itemId)
    ? metadata.itemId
    : undefined
 }

-const lowerToolCall = (part: ToolCallPart, providerMetadataKey: string): OpenResponsesInputItem => {
+const acceptsItemID = (extension: Extension, kind: ItemKind, id: string | undefined): id is string =>
+  id !== undefined && (extension.acceptsItemID?.(kind, id) ?? true)
+
+const lowerToolCall = (
+  part: ToolCallPart,
+  providerMetadataKey: string,
+  extension: Extension,
+): OpenResponsesInputItem => {
  const id = itemID(part.providerMetadata, providerMetadataKey)
  return {
    type: "function_call",
-    ...(id ? { id } : {}),
+    ...(acceptsItemID(extension, "function-call", id) ? { id } : {}),
    call_id: part.id,
    name: part.name,
    arguments: ProviderShared.encodeJson(part.input),
  }
 }

-const lowerReasoning = (part: ReasoningPart, providerMetadataKey: string): OpenResponsesReasoningInput | undefined => {
+const lowerReasoning = (
+  part: ReasoningPart,
+  providerMetadataKey: string,
+  extension: Extension,
+): OpenResponsesReasoningInput | undefined => {
  const metadata = part.providerMetadata?.[providerMetadataKey]
  const id = itemID(part.providerMetadata, providerMetadataKey)
-  if (!ProviderShared.isRecord(metadata) || !id) return undefined
+  if (!ProviderShared.isRecord(metadata) || !acceptsItemID(extension, "reasoning", id)) return undefined
  const encryptedContent =
    typeof metadata.reasoningEncryptedContent === "string" || metadata.reasoningEncryptedContent === null
      ? metadata.reasoningEncryptedContent
@@ -428,7 +458,7 @@ const lowerMedia = Effect.fn("OpenResponses.lowerMedia")(function* (
    return {
      type: "input_file" as const,
      filename: part.filename ?? (media.mime === "application/pdf" ? "document.pdf" : "file"),
-      ...(url ? { file_url: url } : { file_data: media.base64 }),
+      ...(url ? { file_url: url } : { file_data: media.dataUrl }),
    }
  }
  return { type: "input_image" as const, image_url: url ?? media.dataUrl }
@@ -528,7 +558,8 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (reques
          Array<{ id: string | undefined; phase: MessagePhase | null | undefined; parts: TextPart[] }>
        >((groups, part) => {
          const metadata = part.providerMetadata?.[providerMetadataKey]
-          const id = itemID(part.providerMetadata, providerMetadataKey)
+          const rawID = itemID(part.providerMetadata, providerMetadataKey)
+          const id = acceptsItemID(extension, "message", rawID) ? rawID : undefined
          const phase = ProviderShared.isRecord(metadata) ? messagePhase(metadata.phase) : undefined
          const group = groups.at(-1)
          if (group && group.id === id && group.phase === phase) group.parts.push(part)
@@ -553,7 +584,7 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (reques
        }
        if (part.type === "reasoning") {
          flushText()
-          const reasoning = lowerReasoning(part, providerMetadataKey)
+          const reasoning = lowerReasoning(part, providerMetadataKey, extension)
          if (!reasoning) continue
          if (store !== false) {
            if (!reasoningReferences.has(reasoning.id)) input.push({ type: "item_reference", id: reasoning.id })
@@ -574,16 +605,22 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (reques
        if (part.type === "tool-call") {
          flushText()
          if (part.providerExecuted === true) continue
-          input.push(lowerToolCall(part, providerMetadataKey))
+          input.push(lowerToolCall(part, providerMetadataKey, extension))
          continue
        }
        if (part.type === "tool-result" && part.providerExecuted === true) {
          flushText()
          const id = itemID(part.providerMetadata, providerMetadataKey)
-          if (store !== false && id && !hostedToolReferences.has(id))
-            input.push({ type: "item_reference", id })
-          if (store === false && part.result.type === "content") {
-            const content: ReadonlyArray<Content> = part.result.value
+          const reference = acceptsItemID(extension, "reference", id) ? id : undefined
+          if (store !== false && reference && !hostedToolReferences.has(reference))
+            input.push({ type: "item_reference", id: reference })
+          if (store === false) {
+            // The server is not storing this exchange, so the tool outcome has to
+            // travel in the input. Non-content results degrade to their text form.
+            const content: ReadonlyArray<Content> =
+              part.result.type === "content"
+                ? part.result.value
+                : [{ type: "text", text: ProviderShared.toolResultText(part) }]
            input.push({
              role: "user",
              content: yield* Effect.forEach(content, (item) =>
@@ -591,7 +628,7 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (reques
              ),
            })
          }
-          if (id) hostedToolReferences.add(id)
+          if (reference) hostedToolReferences.add(reference)
          continue
        }
        return yield* ProviderShared.unsupportedContent(extension.name, "assistant", [
@@ -628,6 +665,7 @@ const lowerMessages = Effect.fn("OpenResponses.lowerMessages")(function* (reques

 const lowerOptions = (request: LLMRequest) => {
  const options = OpenResponsesOptions.resolve(request)
+  const cacheKey = ProviderShared.clampPromptCacheKey(request.promptCacheKey)
  return {
    ...(options.instructions ? { instructions: options.instructions } : {}),
    ...(options.store !== undefined ? { store: options.store } : {}),
@@ -637,7 +675,7 @@ const lowerOptions = (request: LLMRequest) => {
      ? { stream_options: { include_obfuscation: options.streamOptions.includeObfuscation } }
      : {}),
    ...(options.topLogprobs !== undefined ? { top_logprobs: options.topLogprobs } : {}),
-    ...(request.promptCacheKey ? { prompt_cache_key: request.promptCacheKey } : {}),
+    ...(cacheKey ? { prompt_cache_key: cacheKey } : {}),
    ...(options.include ? { include: options.include } : {}),
    ...(options.reasoningEffort || options.reasoningSummary
      ? { reasoning: { effort: options.reasoningEffort, summary: options.reasoningSummary } }
@@ -753,7 +791,7 @@ const TERMINAL_TYPES = new Set(["error", "response.completed", "response.incompl
 export const terminal = (event: Event) => TERMINAL_TYPES.has(event.type)

 const onOutputTextDelta = (state: ParserState, event: Event, id: string): StepResult => {
-  if (!event.delta) return [state, NO_EVENTS]
+  if (!event.delta || !state.messageItems.has(id)) return [state, NO_EVENTS]
  const events: LLMEvent[] = []
  const phase = state.messagePhases[id]
  const metadata = providerMetadata(state, { itemId: id, ...(phase === undefined ? {} : { phase }) })
@@ -771,20 +809,33 @@ const onOutputTextDone = (state: ParserState, event: Event, id: string): StepRes
 }

 export const onReasoningDelta = (state: ParserState, event: Event, itemID: string): StepResult => {
-  if (!event.delta) return [state, NO_EVENTS]
+  const item = state.reasoningItems[itemID]
+  if (!event.delta || !item) return [state, NO_EVENTS]
+  const index = event.summary_index ?? 0
  const events: LLMEvent[] = []
-  const id =
-    event.summary_index !== undefined || state.reasoningItems[itemID] ? `${itemID}:${event.summary_index ?? 0}` : itemID
  return [
    {
      ...state,
-      lifecycle: Lifecycle.reasoningDelta(state.lifecycle, events, id, event.delta),
+      lifecycle: Lifecycle.reasoningDelta(state.lifecycle, events, `${itemID}:${index}`, event.delta),
+      reasoningItems: {
+        ...state.reasoningItems,
+        [itemID]: { ...item, deltaIndexes: new Set([...item.deltaIndexes, index]) },
+      },
    },
    events,
  ]
 }

-export const onReasoningDone = (state: ParserState, _event: Event): StepResult => [state, NO_EVENTS]
+// Some compatible gateways emit a reasoning final without streaming any
+// deltas, mirroring `response.output_text.done`. Reconcile the complete text
+// as a single delta unless that summary index already streamed one.
+export const onReasoningDone = (state: ParserState, event: Event, itemID: string): StepResult => {
+  const item = state.reasoningItems[itemID]
+  if (!item || typeof event.text !== "string") return [state, NO_EVENTS]
+  const index = event.summary_index ?? 0
+  if (item.deltaIndexes.has(index)) return [state, NO_EVENTS]
+  return onReasoningDelta(state, { ...event, delta: event.text }, itemID)
+}

 const reasoningMetadata = (state: ParserState, item: StreamItem & { id: string }) =>
  providerMetadata(state, { itemId: item.id, reasoningEncryptedContent: item.encrypted_content ?? null })
@@ -822,7 +873,11 @@ const onOutputItemAdded = (state: ParserState, event: Event): StepResult => {
        lifecycle: Lifecycle.reasoningStart(state.lifecycle, events, `${item.id}:0`, reasoningMetadata(state, item)),
        reasoningItems: {
          ...state.reasoningItems,
-          [item.id]: { encryptedContent: item.encrypted_content, summaryParts: { 0: "active" } },
+          [item.id]: {
+            encryptedContent: item.encrypted_content,
+            summaryParts: { 0: "active" },
+            deltaIndexes: new Set(),
+          },
        },
      },
      events,
@@ -852,27 +907,9 @@ const onOutputItemAdded = (state: ParserState, event: Event): StepResult => {

 const onReasoningSummaryPartAdded = (state: ParserState, event: Event): StepResult => {
  if (!event.item_id || event.summary_index === undefined) return [state, NO_EVENTS]
-  const item = state.reasoningItems[event.item_id] ?? { encryptedContent: undefined, summaryParts: {} }
-  if (event.summary_index === 0) {
-    if (state.reasoningItems[event.item_id]) return [state, NO_EVENTS]
-    const events: LLMEvent[] = []
-    return [
-      {
-        ...state,
-        lifecycle: Lifecycle.reasoningStart(
-          state.lifecycle,
-          events,
-          `${event.item_id}:0`,
-          providerMetadata(state, { itemId: event.item_id, reasoningEncryptedContent: null }),
-        ),
-        reasoningItems: {
-          ...state.reasoningItems,
-          [event.item_id]: { ...item, summaryParts: { 0: "active" } },
-        },
-      },
-      events,
-    ]
-  }
+  const item = state.reasoningItems[event.item_id]
+  if (!item) return [state, NO_EVENTS]
+  if (event.summary_index === 0) return [state, NO_EVENTS]

  const events: LLMEvent[] = []
  const closed = Object.entries(item.summaryParts)
@@ -951,7 +988,7 @@ const onFunctionCallArgumentsDelta = Effect.fn("OpenResponses.onFunctionCallArgu
  state: ParserState,
  event: Event,
 ) {
-  if (!event.item_id || !event.delta) return [state, NO_EVENTS] satisfies StepResult
+  if (!event.item_id || !event.delta || !state.tools[event.item_id]) return [state, NO_EVENTS] satisfies StepResult
  const result = ToolStream.appendExisting(
    state.id,
    state.tools,
@@ -1105,11 +1142,19 @@ export const providerFailure = (id: string, event: Event, fallback: string) => {
      : typeof event.status_code === "number"
        ? event.status_code
        : undefined
+  const reason =
+    event.type === "error" &&
+    event.error === undefined &&
+    event.response === undefined &&
+    summary === undefined &&
+    status === undefined
+      ? new ProviderInternalReason({ message })
+      : classifyProviderFailure({ message, code, status, rawBody: body })
  return new AIError({
    module: id,
    method: "stream",
    body,
-    reason: classifyProviderFailure({ message, code, status, rawBody: body }),
+    reason,
  })
 }

@@ -1126,7 +1171,8 @@ export const step = (state: ParserState, event: Event) => {
  }
  if (event.type === "response.refusal.delta" || event.type === "response.refusal.done") {
    const value = event.type === "response.refusal.delta" ? event.delta : event.refusal
-    if (!event.item_id || typeof value !== "string") return ProviderShared.eventError(state.id, `${event.type} is malformed`)
+    if (!event.item_id || typeof value !== "string")
+      return ProviderShared.eventError(state.id, `${event.type} is malformed`)
    return Effect.succeed(
      event.type === "response.refusal.delta"
        ? onOutputTextDelta(state, event, event.item_id)
@@ -1137,6 +1183,15 @@ export const step = (state: ParserState, event: Event) => {
    if (!event.item_id) return ProviderShared.eventError(state.id, `${event.type} is missing item_id`)
    return Effect.succeed(onReasoningDelta(state, event, event.item_id))
  }
+  if (
+    event.type === "response.reasoning.done" ||
+    event.type === "response.reasoning_summary_text.done" ||
+    event.type === "response.reasoning_summary.done" ||
+    event.type === "response.reasoning_text.done"
+  ) {
+    if (!event.item_id) return ProviderShared.eventError(state.id, `${event.type} is missing item_id`)
+    return Effect.succeed(onReasoningDone(state, event, event.item_id))
+  }
  if (event.type === "response.reasoning_summary_part.added")
    return event.item_id
      ? Effect.succeed(onReasoningSummaryPartAdded(state, event))
@@ -1150,7 +1205,10 @@ export const step = (state: ParserState, event: Event) => {
      return ProviderShared.eventError(state.id, `${event.type} message is missing id`)
    return Effect.succeed(onOutputItemAdded(state, event))
  }
-  if (event.type === "response.function_call_arguments.delta") return onFunctionCallArgumentsDelta(state, event)
+  if (event.type === "response.function_call_arguments.delta")
+    return event.item_id
+      ? onFunctionCallArgumentsDelta(state, event)
+      : ProviderShared.eventError(state.id, `${event.type} is missing item_id`)
  if (event.type === "response.output_item.done") {
    if (event.item?.type === "message" && !event.item.id)
      return ProviderShared.eventError(state.id, `${event.type} message is missing id`)
@@ -156,6 +156,9 @@ const OpenAIChatUsage = Schema.StructWithRest(
    prompt_tokens: optionalNull(Schema.Number),
    completion_tokens: optionalNull(Schema.Number),
    total_tokens: optionalNull(Schema.Number),
+    // Zai reports cache hits as top-level `cached_tokens`; DeepSeek uses `prompt_cache_hit_tokens`.
+    cached_tokens: optionalNull(Schema.Number),
+    prompt_cache_hit_tokens: optionalNull(Schema.Number),
    prompt_tokens_details: optionalNull(
      Schema.StructWithRest(
        Schema.Struct({
@@ -204,11 +207,16 @@ const OpenAIChatDelta = Schema.StructWithRest(
  [Schema.Record(Schema.String, Schema.Unknown)],
 )

-const OpenAIChatChoice = Schema.Struct({
-  delta: optionalNull(OpenAIChatDelta),
-  finish_reason: optionalNull(Schema.String),
-  native_finish_reason: optionalNull(Schema.String),
-})
+const OpenAIChatChoice = Schema.StructWithRest(
+  Schema.Struct({
+    delta: optionalNull(OpenAIChatDelta),
+    finish_reason: optionalNull(Schema.String),
+    native_finish_reason: optionalNull(Schema.String),
+    // Moonshot streams usage on `choice.usage` instead of top-level `usage`.
+    usage: optionalNull(OpenAIChatUsage),
+  }),
+  [Schema.Record(Schema.String, Schema.Unknown)],
+)

 const OpenAIChatError = Schema.Struct({
  code: optionalNull(Schema.Union([Schema.String, Schema.Number])),
@@ -261,7 +269,7 @@ const lowerTool = (tool: ToolDefinition, inputSchema: JsonSchema, options: Lower
  function: {
    name: tool.name,
    description: tool.description,
-    parameters: ToolSchemaProjection.openAI(inputSchema),
+    parameters: inputSchema,
  },
  cache_control: options.cacheControl?.(tool.cache),
 })
@@ -509,11 +517,23 @@ const lowerMessages = Effect.fn("OpenAIChat.lowerMessages")(function* (request:
  return messages
 })

+// Anthropic via LiteLLM and Amazon Bedrock require `tools` to be present
+// whenever the conversation history contains tool calls/results. Send an
+// explicit empty array when we have history but no active tools.
+const hasToolHistory = (messages: ReadonlyArray<LLMRequest["messages"][number]>) => {
+  for (const message of messages) {
+    if (message.role === "tool") return true
+    if (message.role === "assistant" && message.content.some((part) => part.type === "tool-call")) return true
+  }
+  return false
+}
+
 const lowerOptions = (request: LLMRequest) => {
  const options = OpenAIOptions.resolve(request)
+  const cacheKey = ProviderShared.clampPromptCacheKey(request.promptCacheKey)
  return {
    ...(options.store !== undefined ? { store: options.store } : {}),
-    ...(request.promptCacheKey ? { prompt_cache_key: request.promptCacheKey } : {}),
+    ...(cacheKey ? { prompt_cache_key: cacheKey } : {}),
    ...(options.reasoningEffort ? { reasoning_effort: options.reasoningEffort } : {}),
  }
 }
@@ -532,12 +552,15 @@ export const fromRequest = Effect.fn("OpenAIChat.fromRequest")(function* (
  const generation = request.generation
  const toolSchemaCompatibility = request.model.compatibility?.toolSchema
  const maxTokensField = request.model.compatibility?.maxTokensField ?? "max_tokens"
+  const hasHistory = hasToolHistory(request.messages)
  return {
    model: request.model.id,
    messages: yield* lowerMessages(request, options),
    tools:
      request.tools.length === 0
-        ? undefined
+        ? hasHistory
+          ? []
+          : undefined
        : request.tools.map((tool) =>
            lowerTool(
              tool,
@@ -581,11 +604,18 @@ const mapFinishReason = (reason: string | null | undefined): FinishReason => {
 // total) with a `reasoning_tokens` subset. We pass the inclusive totals
 // through and derive the non-cached breakdown so the `AI.Usage` contract is
 // satisfied on both sides.
+// Providers differ on cache-hit location: OpenAI uses
+// `prompt_tokens_details.cached_tokens`, DeepSeek uses
+// `prompt_cache_hit_tokens`, and Zai uses top-level `cached_tokens`.
 const mapUsage = (usage: OpenAIChatEvent["usage"]): Usage | undefined => {
  if (!usage) return undefined
  const input = usage.prompt_tokens ?? undefined
  const output = usage.completion_tokens ?? undefined
-  const cached = usage.prompt_tokens_details?.cached_tokens ?? undefined
+  const cached =
+    (usage.prompt_tokens_details?.cached_tokens ??
+      (usage as { prompt_cache_hit_tokens?: number | null }).prompt_cache_hit_tokens ??
+      (usage as { cached_tokens?: number | null }).cached_tokens ??
+      undefined) as number | undefined
  const cacheWrite = usage.prompt_tokens_details?.cache_write_tokens ?? undefined
  const reasoning = usage.completion_tokens_details?.reasoning_tokens ?? undefined
  const nonCached = ProviderShared.subtractTokens(input, ProviderShared.sumTokens(cached, cacheWrite))
@@ -691,8 +721,11 @@ const step = (state: ParserState, event: OpenAIChatEvent) =>
        }),
      })
    const events: LLMEvent[] = []
-    const usage = mapUsage(event.usage) ?? state.usage
    const choice = event.choices?.[0]
+    // Moonshot (and a few other OpenAI-compatible providers) attach usage to
+    // `choice.usage` instead of the top-level `usage` field.
+    const choiceUsage = (choice as unknown as { usage?: OpenAIChatEvent["usage"] })?.usage
+    const usage = mapUsage(event.usage) ?? (choiceUsage ? mapUsage(choiceUsage) : undefined) ?? state.usage
    const rawFinishReason = choice?.finish_reason
    const finishReason =
      rawFinishReason !== undefined && rawFinishReason !== null
@@ -51,9 +51,28 @@ const OpenAIResponsesBody = Schema.Struct({
 })
 export type OpenAIResponsesBody = Schema.Schema.Type<typeof OpenAIResponsesBody>

+// Replayed items are paired with stored server state by id, so a foreign or
+// synthetic token can fail request validation even when `call_id` pairing is
+// intact. Only resend ids in each item kind's own grammar; hosted tool
+// references keep generic validation because every hosted tool mints its own
+// prefix. The same allowlist approach codex uses before resending history
+// (codex-rs core/src/client.rs, `prepare_response_items_for_request`).
+const ITEM_ID_PREFIXES: Record<OpenResponses.ItemKind, ReadonlyArray<string>> = {
+  message: ["msg_"],
+  reasoning: ["rs_"],
+  "function-call": ["fc_"],
+  // Every hosted tool mints its own id prefix, so references keep generic
+  // validation only.
+  reference: [],
+}
+
 const extension = {
  id: ADAPTER,
  name: NAME,
+  acceptsItemID: (kind: OpenResponses.ItemKind, id: string) => {
+    const prefixes = ITEM_ID_PREFIXES[kind]
+    return prefixes.length === 0 || prefixes.some((prefix) => id.startsWith(prefix))
+  },
 } satisfies OpenResponses.Extension

 const nativeImageToolInput = (tool: ToolDefinition) => {
@@ -134,13 +153,12 @@ const HOSTED_TOOLS = {
    name: "code_interpreter",
    input: (item) => ({ code: item.code, container_id: item.container_id }),
  },
-  computer_use_call: { name: "computer_use", input: (item) => item.action ?? {} },
+  computer_call: { name: "computer_use", input: (item) => item.action ?? {} },
  image_generation_call: { name: "image_generation", input: () => ({}), result: hostedToolResult },
  mcp_call: {
    name: "mcp",
    input: (item) => ({ server_label: item.server_label, name: item.name, arguments: item.arguments }),
  },
-  local_shell_call: { name: "local_shell", input: (item) => item.action ?? {} },
 } as const satisfies ResponsesHostedTools.Definitions

 const step = (state: OpenResponses.ParserState, event: OpenResponses.Event) => {
@@ -148,10 +166,6 @@ const step = (state: OpenResponses.ParserState, event: OpenResponses.Event) => {
    return event.item_id
      ? Effect.succeed(OpenResponses.onReasoningDelta(state, event, event.item_id))
      : ProviderShared.eventError(ADAPTER, `${event.type} is missing item_id`)
-  if (event.type === "response.reasoning_text.done" || event.type === "response.reasoning_summary.done")
-    return event.item_id
-      ? Effect.succeed(OpenResponses.onReasoningDone(state, event))
-      : ProviderShared.eventError(ADAPTER, `${event.type} is missing item_id`)
  if (event.type === "response.output_item.done" && event.item && ResponsesHostedTools.isItem(event.item, HOSTED_TOOLS))
    return ResponsesHostedTools.onDone(state, event.item, HOSTED_TOOLS)
  return OpenResponses.step(state, event)
@@ -24,6 +24,17 @@ export const JsonObject = Schema.Record(Schema.String, Schema.Unknown)
 export const optionalArray = <const S extends Schema.Top>(schema: S) => Schema.optional(Schema.Array(schema))
 export const optionalNull = <const S extends Schema.Top>(schema: S) => Schema.optional(Schema.NullOr(schema))

+export const OPENAI_PROMPT_CACHE_KEY_MAX_LENGTH = 64
+
+// OpenAI limits `prompt_cache_key` to 64 chars; DeepSeek and Zai inherit the same
+// limit via their OpenAI-compatible APIs. Clamp with unicode-aware slicing.
+export const clampPromptCacheKey = (key: string | undefined): string | undefined => {
+  if (key === undefined) return undefined
+  const chars = Array.from(key)
+  if (chars.length <= OPENAI_PROMPT_CACHE_KEY_MAX_LENGTH) return key
+  return chars.slice(0, OPENAI_PROMPT_CACHE_KEY_MAX_LENGTH).join("")
+}
+
 /**
 * Streaming tool-call accumulator. Adapters that build a tool call across
 * multiple `tool-input-delta` chunks store the partial JSON input string here
@@ -28,7 +28,11 @@ export const ResponseIncludables = [
 export type ResponseIncludable = (typeof ResponseIncludables)[number] | (string & {})

 export const ServiceTiers = ["auto", "default", "flex", "priority"] as const
-export type ServiceTier = (typeof ServiceTiers)[number]
+export type ServiceTier = (typeof ServiceTiers)[number] | (string & {})
+export const ServiceTier = Schema.declare<ServiceTier>(
+  (value): value is ServiceTier => typeof value === "string",
+  { title: "ServiceTier" },
+)

 export const Truncations = ["auto", "disabled"] as const
 export type Truncation = (typeof Truncations)[number]
@@ -38,7 +42,7 @@ export const ResponseIncludableSchema = Schema.declare<ResponseIncludable>(
  (value): value is ResponseIncludable => typeof value === "string",
  { title: "ResponseIncludable" },
 )
-export const ServiceTierSchema = Schema.Literals(ServiceTiers)
+export const ServiceTierSchema = ServiceTier
 export const TruncationSchema = Schema.Literals(Truncations)

 export const AllowedTools = Schema.Struct({
@@ -9,8 +9,8 @@ export type OpenAITextVerbosity = OpenResponsesOptions.TextVerbosity
 // in lockstep with `openai-node/src/resources/responses/responses.ts`.
 export const OpenAIResponseIncludables = OpenResponsesOptions.ResponseIncludables
 export type OpenAIResponseIncludable = OpenResponsesOptions.ResponseIncludable
-export const OpenAIServiceTiers = OpenResponsesOptions.ServiceTiers
-export type OpenAIServiceTier = OpenResponsesOptions.ServiceTier
+export const OpenAIServiceTiers = [...OpenResponsesOptions.ServiceTiers, "scale"] as const
+export type OpenAIServiceTier = (typeof OpenAIServiceTiers)[number] | (string & {})

 export const OpenAIReasoningEffort = OpenResponsesOptions.ReasoningEffort
 export const OpenAITextVerbosity = OpenResponsesOptions.TextVerbosity
@@ -2,20 +2,6 @@ import type { JsonSchema, LanguageModelToolSchemaCompatibility } from "../../sch
 import { isRecord } from "../../utils/record.js"
 import { GeminiToolSchema } from "./gemini-tool-schema.js"

-const removeNullSchemas = (value: unknown): unknown => {
-  if (Array.isArray(value)) return value.map(removeNullSchemas)
-  if (!isRecord(value)) return value
-  const fields = Object.fromEntries(
-    Object.entries(value)
-      .filter(([key]) => key !== "anyOf")
-      .map(([key, field]) => [key, removeNullSchemas(field)]),
-  )
-  if (!Array.isArray(value.anyOf)) return fields
-  const variants = value.anyOf.filter((variant) => !isRecord(variant) || variant.type !== "null").map(removeNullSchemas)
-  if (variants.length === 1 && isRecord(variants[0])) return { ...fields, ...variants[0] }
-  return { ...fields, anyOf: variants }
-}
-
 const tupleItemsSchema = (items: ReadonlyArray<unknown>) => {
  const projected = items.map(moonshotNode)
  if (projected.length === 0) return {}
@@ -45,24 +31,7 @@ const moonshot = (schema: JsonSchema): JsonSchema => {
  return isRecord(projected) ? projected : {}
 }

-const openAI = (schema: JsonSchema): JsonSchema => {
-  const variants = Array.isArray(schema.anyOf) ? schema.anyOf.filter(isRecord) : []
-  const flattened =
-    variants.length === 0
-      ? { ...schema, type: "object" }
-      : {
-          ...Object.fromEntries(Object.entries(schema).filter(([key]) => key !== "anyOf")),
-          type: "object",
-          properties: variants.reduce(
-            (properties, variant) => ({ ...(isRecord(variant.properties) ? variant.properties : {}), ...properties }),
-            {},
-          ),
-          additionalProperties: false,
-        }
-  const normalized = removeNullSchemas(flattened)
-  return isRecord(normalized) ? normalized : { type: "object" }
-}
-
+const openAI = (schema: JsonSchema): JsonSchema => schema
 const responses = openAI

 const gemini = (schema: JsonSchema): JsonSchema => GeminiToolSchema.convert(schema) ?? {}
@@ -1,7 +1,5 @@
-import { Effect } from "effect"
 import { Protocol } from "../route/protocol.js"
 import { OpenResponses } from "./open-responses.js"
-import { ProviderShared } from "./shared.js"
 import { ResponsesHostedTools } from "./utils/responses-hosted-tools.js"

 const ADAPTER = "xai-responses"
@@ -27,15 +25,9 @@ const HOSTED_TOOLS = {
  },
 } as const satisfies ResponsesHostedTools.Definitions

+// Grok speaks the standard Responses reasoning dialect (`reasoning_summary_text.*`,
+// handled by the baseline); only its hosted tool vocabulary differs.
 const step = (state: OpenResponses.ParserState, event: OpenResponses.Event) => {
-  if (event.type === "response.reasoning_text.delta" || event.type === "response.reasoning_summary.delta")
-    return event.item_id
-      ? Effect.succeed(OpenResponses.onReasoningDelta(state, event, event.item_id))
-      : ProviderShared.eventError(ADAPTER, `${event.type} is missing item_id`)
-  if (event.type === "response.reasoning_text.done" || event.type === "response.reasoning_summary.done")
-    return event.item_id
-      ? Effect.succeed(OpenResponses.onReasoningDone(state, event))
-      : ProviderShared.eventError(ADAPTER, `${event.type} is missing item_id`)
  if (event.type === "response.output_item.done" && event.item && ResponsesHostedTools.isItem(event.item, HOSTED_TOOLS))
    return ResponsesHostedTools.onDone(state, event.item, HOSTED_TOOLS)
  return OpenResponses.step(state, event)
@@ -38,13 +38,23 @@ export type Settings = ProviderPackage.Settings &

 const fromRequest = Effect.fn("GoogleVertex.fromRequest")(function* (request: LLMRequest) {
  const body = yield* Gemini.protocol.body.from(request)
+  // Vertex's native REST schema rejects `id` on FunctionCall/FunctionResponse parts with HTTP 400,
+  // unlike AI Studio, so history minted there cannot be lowered verbatim.
+  const contents = body.contents.map((content) => ({
+    ...content,
+    parts: (content.parts ?? []).map((part) => {
+      if ("functionCall" in part) return { ...part, functionCall: { ...part.functionCall, id: undefined } }
+      if ("functionResponse" in part) return { ...part, functionResponse: { ...part.functionResponse, id: undefined } }
+      return part
+    }),
+  }))
  const value = request.providerOptions?.labels
  const labels = ProviderShared.isRecord(value)
    ? Object.fromEntries(
        Object.entries(value).filter((entry): entry is [string, string] => typeof entry[1] === "string"),
      )
    : undefined
-  return { ...body, labels }
+  return { ...body, contents, labels }
 })

 const protocol = {
@@ -1,9 +1,13 @@
 import { mergeProviderOptions, type ProviderOptions } from "../schema/index.js"
-import type { OpenResponsesOptionsInput } from "./open-responses-options.js"
+import type { OpenAIServiceTier } from "../protocols/utils/openai-options.js"
+import type { Options } from "../protocols/utils/open-responses-options.js"

 export type { OpenAIResponseIncludable, OpenAIServiceTier } from "../protocols/utils/openai-options.js"

-export type OpenAIOptionsInput = OpenResponsesOptionsInput
+export type OpenAIOptionsInput = Omit<Options, "serviceTier"> & {
+  readonly serviceTier?: OpenAIServiceTier
+  readonly [key: string]: unknown
+}

 export type OpenAIProviderOptionsInput = OpenAIOptionsInput

@@ -9,7 +9,7 @@ import type { ProviderPackage } from "../provider-package.js"
 import * as OpenAICompatibleProfiles from "./openai-compatible-profile.js"
 import * as OpenAIChat from "../protocols/openai-chat.js"
 import { newBreakpoints, ttlBucket } from "../protocols/utils/cache.js"
-import { isRecord } from "../protocols/shared.js"
+import { isRecord, ProviderShared } from "../protocols/shared.js"

 export const profile = OpenAICompatibleProfiles.profiles.openrouter
 export const id = ProviderID.make(profile.provider)
@@ -115,11 +115,12 @@ export const protocol = Protocol.make({
              reasoning_details: reasoningDetails,
            }
          })
+          const cacheKey = ProviderShared.clampPromptCacheKey(request.promptCacheKey)
          return {
            ...body,
            messages,
            ...bodyOptions(request.providerOptions),
-            ...(request.promptCacheKey ? { prompt_cache_key: request.promptCacheKey } : {}),
+            ...(cacheKey ? { prompt_cache_key: cacheKey } : {}),
          } as OpenRouterBody
        }),
      ),
@@ -51,6 +51,7 @@ export const MediaPart = Schema.Struct({
  mediaType: Schema.String,
  data: Schema.Union([Schema.String, Schema.Uint8Array]),
  filename: Schema.optional(Schema.String),
+  cache: Schema.optional(CacheHint),
  metadata: Schema.optional(Schema.Record(Schema.String, Schema.Unknown)),
 }).annotate({ identifier: "LLM.Content.Media" })
 export type MediaPart = Schema.Schema.Type<typeof MediaPart>
@@ -255,6 +256,7 @@ export namespace ToolDefinition {
 export class ToolChoice extends Schema.Class<ToolChoice>("LLM.ToolChoice")({
  type: Schema.Literals(["auto", "none", "required", "tool"]),
  name: Schema.optional(Schema.String),
+  disableParallelToolUse: Schema.optional(Schema.Boolean),
 }) {}

 export namespace ToolChoice {
@@ -0,0 +1,31 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:azure",
+      "provider:azure"
+    ],
+    "name": "azure/chat-streams-text",
+    "recordedAt": "2026-08-23T17:21:53.198Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://aiden-azury-group.openai.azure.com/openai/v1/chat/completions?api-version=v1",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"model\":\"gpt-5.6-luna\",\"messages\":[{\"role\":\"user\",\"content\":\"Reply with exactly one word: hello\"}],\"stream\":true,\"stream_options\":{\"include_usage\":true},\"store\":false,\"reasoning_effort\":\"medium\"}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "text/event-stream; charset=utf-8"
+        },
+        "body": "data: {\"choices\":[],\"created\":0,\"id\":\"\",\"model\":\"\",\"object\":\"\",\"prompt_filter_results\":[{\"prompt_index\":0,\"content_filter_results\":{}}]}\n\ndata: {\"choices\":[{\"content_filter_results\":{},\"delta\":{\"content\":\"\",\"refusal\":null,\"role\":\"assistant\"},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1787505712,\"id\":\"chatcmpl-EG6BEiYSfrcTSI2WX8PqNzERZDcPc\",\"model\":\"gpt-5.6-luna-2026-07-09\",\"obfuscation\":\"Mxr\",\"object\":\"chat.completion.chunk\",\"service_tier\":\"default\",\"system_fingerprint\":null,\"usage\":null}\n\ndata: {\"choices\":[{\"content_filter_results\":{},\"delta\":{\"content\":\"hello\"},\"finish_reason\":null,\"index\":0,\"logprobs\":null}],\"created\":1787505712,\"id\":\"chatcmpl-EG6BEiYSfrcTSI2WX8PqNzERZDcPc\",\"model\":\"gpt-5.6-luna-2026-07-09\",\"obfuscation\":\"\",\"object\":\"chat.completion.chunk\",\"service_tier\":\"default\",\"system_fingerprint\":null,\"usage\":null}\n\ndata: {\"choices\":[{\"content_filter_results\":{},\"delta\":{},\"finish_reason\":\"stop\",\"index\":0,\"logprobs\":null}],\"created\":1787505712,\"id\":\"chatcmpl-EG6BEiYSfrcTSI2WX8PqNzERZDcPc\",\"model\":\"gpt-5.6-luna-2026-07-09\",\"obfuscation\":\"WyZa5AY1CaCeFdS\",\"object\":\"chat.completion.chunk\",\"service_tier\":\"default\",\"system_fingerprint\":null,\"usage\":null}\n\ndata: {\"choices\":[],\"created\":1787505712,\"id\":\"chatcmpl-EG6BEiYSfrcTSI2WX8PqNzERZDcPc\",\"latency_checkpoint\":{\"engine_tbt_ms\":20,\"engine_ttft_ms\":106,\"engine_ttlt_ms\":206,\"pre_inference_ms\":89,\"service_tbt_ms\":20,\"service_ttft_ms\":480,\"service_ttlt_ms\":576,\"total_duration_ms\":491,\"user_visible_ttft_ms\":391},\"model\":\"gpt-5.6-luna-2026-07-09\",\"obfuscation\":\"6\",\"object\":\"chat.completion.chunk\",\"service_tier\":\"default\",\"system_fingerprint\":null,\"usage\":{\"completion_tokens\":5,\"completion_tokens_details\":{\"accepted_prediction_tokens\":0,\"audio_tokens\":0,\"reasoning_tokens\":0,\"rejected_prediction_tokens\":0},\"prompt_tokens\":13,\"prompt_tokens_details\":{\"audio_tokens\":0,\"cache_write_tokens\":0,\"cached_tokens\":0},\"total_tokens\":18}}\n\ndata: [DONE]\n\n"
+      }
+    }
+  ]
+}
@@ -0,0 +1,32 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:google-vertex",
+      "provider:google-vertex",
+      "protocol:gemini"
+    ],
+    "name": "google-vertex/calls-a-tool",
+    "recordedAt": "2026-08-23T17:21:51.036Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://aiplatform.googleapis.com/v1/publishers/google/models/gemini-3.5-flash:streamGenerateContent?alt=sse",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"contents\":[{\"role\":\"user\",\"parts\":[{\"text\":\"What is the weather in Paris? Use the lookup_weather tool.\"}]}],\"tools\":[{\"functionDeclarations\":[{\"name\":\"lookup_weather\",\"description\":\"Look up the current weather for a city\",\"parameters\":{\"required\":[\"city\"],\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}}}}]}]}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "text/event-stream"
+        },
+        "body": "data: {\"candidates\": [{\"content\": {\"role\": \"model\",\"parts\": [{\"functionCall\": {\"name\": \"lookup_weather\",\"args\": {\"city\": \"Paris\"},\"id\": \"call_425130\"},\"thoughtSignature\": \"AY89a1+1fXnLgYhHMuN3Ak6LBhT6PcrYOW7iPav4LfsacvG/Z6l1yJ+AsU7vWhFj/JyPIbsJJQ+GjohM9sCIZ6nqUOIg3reo/7osmrCvFrVHedTHQcwiPzoz2Kp3gb+uWjFAXxk1EX4IRAKcu0ox1W/Z9PpuZvHkTerGO2a82e02N6MAF1YhhtbXFvSdqLRih2Os68rdOk5/Bcld7ol8qUgeyIZ3CtI3OJ5jwRcD8LjvK33A7ZFzH5Bxp/peUmXvqnu5iNhnGBxZaJy/vupCtxRZxjaS+ojG0/UhyrnRiKIpbzQ0FBkxePPn8GCX/LOe2y3GUc98co8lN8OOuCd9ZmEdx5AjHmQkPO9fAV9SxG6Bda6SDWVL8o/Uz3WSQYoUEfAdoajEWIBvcisoeCJjb7zgmRRZ9VQSPl3RXj5LFRvX8jn0YKV1CahYbc24jA==\"}]}}],\"usageMetadata\": {\"trafficType\": \"ON_DEMAND\"},\"modelVersion\": \"gemini-3.5-flash\",\"createTime\": \"2026-08-23T17:21:50.308576Z\",\"responseId\": \"LiyLauDqErCErb8Pj8aWkAs\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"role\": \"model\",\"parts\": [{\"text\": \"\"}]},\"finishReason\": \"STOP\"}],\"usageMetadata\": {\"promptTokenCount\": 39,\"candidatesTokenCount\": 16,\"totalTokenCount\": 102,\"trafficType\": \"ON_DEMAND\",\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 39}],\"candidatesTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 16}],\"thoughtsTokenCount\": 47},\"modelVersion\": \"gemini-3.5-flash\",\"createTime\": \"2026-08-23T17:21:50.308576Z\",\"responseId\": \"LiyLauDqErCErb8Pj8aWkAs\"}\r\n\r\n"
+      }
+    }
+  ]
+}
@@ -0,0 +1,32 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:google-vertex",
+      "provider:google-vertex",
+      "protocol:gemini"
+    ],
+    "name": "google-vertex/continues-after-a-tool-result",
+    "recordedAt": "2026-08-23T17:21:51.853Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://aiplatform.googleapis.com/v1/publishers/google/models/gemini-3.5-flash:streamGenerateContent?alt=sse",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"contents\":[{\"role\":\"user\",\"parts\":[{\"text\":\"What is the weather in Paris?\"}]},{\"role\":\"model\",\"parts\":[{\"functionCall\":{\"name\":\"lookup_weather\",\"args\":{\"city\":\"Paris\"}},\"thoughtSignature\":\"skip_thought_signature_validator\"}]},{\"role\":\"user\",\"parts\":[{\"functionResponse\":{\"name\":\"lookup_weather\",\"response\":{\"name\":\"lookup_weather\",\"content\":\"18C, light rain\"}}}]}],\"tools\":[{\"functionDeclarations\":[{\"name\":\"lookup_weather\",\"description\":\"Look up the current weather for a city\",\"parameters\":{\"required\":[\"city\"],\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}}}}]}]}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "text/event-stream"
+        },
+        "body": "data: {\"candidates\": [{\"content\": {\"role\": \"model\",\"parts\": [{\"text\": \"The weather in Paris is currently 18°C with light rain.\"}]}}],\"usageMetadata\": {\"trafficType\": \"ON_DEMAND\"},\"modelVersion\": \"gemini-3.5-flash\",\"createTime\": \"2026-08-23T17:21:51.220919Z\",\"responseId\": \"LyyLave9DbWnrb8P1IjLmQQ\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"role\": \"model\",\"parts\": [{\"text\": \"\",\"thoughtSignature\": \"AY89a197c+fpHJftPtcufnqMAyoRQKVEQK+KeG+RVHVx2wKil3L4jP4YWvfVbcuOFr2jio4Kre/hCrDANAoMFSvaZrdaPeo1b5bXQSmJKMH03yM5M6q6ME6JiBvXym143U4exIde4UbOh2tMeyXMvB3aWxcavIHd78g5G5QPLreo6A3LO5871cYYVeRwteY+/zbEdqfaAq1hlk6WYpWkNljYpjMyKwr15YC8rFLh3HYayS9tTN++GGrk/reZn6C3OEPlzPou/pXRATzcEAGVl/TW\"}]},\"finishReason\": \"STOP\"}],\"usageMetadata\": {\"promptTokenCount\": 59,\"candidatesTokenCount\": 15,\"totalTokenCount\": 98,\"trafficType\": \"ON_DEMAND\",\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 59}],\"candidatesTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 15}],\"thoughtsTokenCount\": 24},\"modelVersion\": \"gemini-3.5-flash\",\"createTime\": \"2026-08-23T17:21:51.220919Z\",\"responseId\": \"LyyLave9DbWnrb8P1IjLmQQ\"}\r\n\r\n"
+      }
+    }
+  ]
+}
@@ -0,0 +1,32 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:google-vertex",
+      "provider:google-vertex",
+      "protocol:gemini"
+    ],
+    "name": "google-vertex/streams-text",
+    "recordedAt": "2026-08-23T17:21:50.112Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://aiplatform.googleapis.com/v1/publishers/google/models/gemini-3.5-flash:streamGenerateContent?alt=sse",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"contents\":[{\"role\":\"user\",\"parts\":[{\"text\":\"Reply with exactly one word: hello\"}]}]}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "text/event-stream"
+        },
+        "body": "data: {\"candidates\": [{\"content\": {\"role\": \"model\",\"parts\": [{\"text\": \"Hello\"}]}}],\"usageMetadata\": {\"trafficType\": \"ON_DEMAND\"},\"modelVersion\": \"gemini-3.5-flash\",\"createTime\": \"2026-08-23T17:21:48.528714Z\",\"responseId\": \"LCyLasqiIO6crb8P1sDboQc\"}\r\n\r\ndata: {\"candidates\": [{\"content\": {\"role\": \"model\",\"parts\": [{\"text\": \"\",\"thoughtSignature\": \"AY89a1+BGsRqlGpfT0psLB4jeTkT5rDV2HFOlrRuF7aVxDOjqNVUku6t4azeSnxpd+msHWuwXj4RS+7gmVlzVs+JNi8uj+iZWTBCi71vSh9kdK9ed/sHv9J7uL9ZWSOcgbhX/hxdXaUp5yVbQzHFXPjR9A/IkEkHV8VKarDZVFE1T1uASia74lkmyBeZZz+DQmRsLwbUHzFUKlF3qnk/SliLo21ZgASd7itlALQ0PBLJZwgeI3g7tDscDSE18hnB11Fky8q7MLd3HY16zbDvHBEMb18pmmPelPI01KdrCIwMSou/01/u5jiSUCc3pFksZawUj3tAHocHSC3ZKAQQQuUXGe5tm61C2E40/NANBeePc1S4HYE6Yo/vtX6tE02LDky5IQWX09H6+DZ7fpopP5nCUfcKPHa3hVjYquWYYMtZgXO4ZpxfVd3lt1VUDuJNN3BMMCZapjBoJZFPXPJ5t/yg9Rnd791+msGH77b4wztz1vtsPrT9oV9g6SDo9ZUH6BaOcbK7fw8FaXcGw+55malEwQy6zpRLGecooBu70p6RwhaAUyKIMX49y+F2hkNxQxDeBUNckJnu6n4w+KLyjP+bR0gqPJbGjVfteHm+QujqjJdBBT/m1u9kPo1nIbzdEs/PIADBdbuV7TkD/HoRFKpLnNmM2no8ioTtFEjKBDz4ippGi15r8pGgA6wIb/1HAvOGh+PVERdGcbelVTgfONwBqjQ7B1wmEizCfyYuMIskfwjxDGayfKlpDxrnNeogtEct9u5/DjEKlURlg9MtmW1B9P8BXYJ+7SCiRJWwW6bzB+5C+MLCnETl/mljDizoJMHK8DKIhI4oxBsrWXEuoHFwEwGIeOZq0BofH2Jz/l6+KIboV/zd581Kk0zPg/rlI6acfjUEtXtbF+t0+jzoJN7006x4i2tqXeJZ+4e5yisSArEsfJ0YzNWoJtBHG9V9/euDcEP3+jsr98efaQaQbLMPvT/Hb7CYQ7ChhGfcGxQ=\"}]},\"finishReason\": \"STOP\"}],\"usageMetadata\": {\"promptTokenCount\": 7,\"candidatesTokenCount\": 1,\"totalTokenCount\": 150,\"trafficType\": \"ON_DEMAND\",\"promptTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 7}],\"candidatesTokensDetails\": [{\"modality\": \"TEXT\",\"tokenCount\": 1}],\"thoughtsTokenCount\": 142},\"modelVersion\": \"gemini-3.5-flash\",\"createTime\": \"2026-08-23T17:21:48.528714Z\",\"responseId\": \"LCyLasqiIO6crb8P1sDboQc\"}\r\n\r\n"
+      }
+    }
+  ]
+}
@@ -4,10 +4,4 @@ import { GoogleVertexChat } from "../../src/providers.js"
 const model = GoogleVertexChat.configure({ accessToken: "test", project: "project" }).model("gemini")

 LLM.request({ model, prompt: "Hello", providerOptions: { serviceTier: "priority" } })
-
-LLM.request({
-  model,
-  prompt: "Hello",
-  // @ts-expect-error Vertex OpenAI-compatible service tiers use the OpenAI union.
-  providerOptions: { serviceTier: "premium" },
-})
+LLM.request({ model, prompt: "Hello", providerOptions: { serviceTier: "future-tier" } })
@@ -8,6 +8,8 @@ LLM.request({ model: selected, prompt: "Hello", providerOptions: { reasoningEffo
 LLM.request({ model: selected, prompt: "Hello", providerOptions: { reasoningEffort: "experimental" } })
 LLM.request({ model: selected, prompt: "Hello", providerOptions: { textVerbosity: "low" } })
 LLM.request({ model: selected, prompt: "Hello", providerOptions: { textVerbosity: "verbose" } })
+LLM.request({ model: selected, prompt: "Hello", providerOptions: { serviceTier: "scale" } })
+LLM.request({ model: selected, prompt: "Hello", providerOptions: { serviceTier: "future-tier" } })
 LLM.request({ model: chat, prompt: "Hello", providerOptions: { reasoningEffort: "max" } })
 LLM.request({ model: chat, prompt: "Hello", providerOptions: { reasoningEffort: "experimental" } })

@@ -0,0 +1,93 @@
+import { describe, expect } from "bun:test"
+import { Effect } from "effect"
+import { LLM, Message, ToolDefinition, ToolCallPart } from "../../src/index.js"
+import { Azure } from "../../src/providers.js"
+import { LLMClient } from "../../src/route.js"
+import { recordedTests } from "../recorded-test.js"
+
+const resourceName = process.env.AZURE_OPENAI_RESOURCE_NAME ?? "aiden-azury-group"
+
+const chatModel = Azure.configure({
+  resourceName,
+  apiKey: process.env.AZURE_OPENAI_API_KEY ?? "fixture",
+}).chat("gpt-5.6-luna")
+
+const responsesModel = Azure.configure({
+  resourceName,
+  apiKey: process.env.AZURE_OPENAI_API_KEY ?? "fixture",
+}).responses("gpt-5.6-luna")
+
+const lookupWeather = ToolDefinition.make({
+  name: "lookup_weather",
+  description: "Look up the current weather for a city",
+  inputSchema: { type: "object", properties: { city: { type: "string" } }, required: ["city"] },
+})
+
+const recorded = recordedTests({
+  prefix: "azure",
+  provider: "azure",
+  requires: ["AZURE_OPENAI_API_KEY"],
+})
+
+describe("Azure OpenAI recorded", () => {
+  recorded.effect("chat streams text", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLM.request({ model: chatModel, prompt: "Reply with exactly one word: hello" }),
+      )
+
+      expect(response.text.toLowerCase()).toContain("hello")
+    }),
+  )
+
+  recorded.effect("responses streams text", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLM.request({ model: responsesModel, prompt: "Reply with exactly one word: bonjour" }),
+      )
+
+      expect(response.text.toLowerCase()).toContain("bonjour")
+    }),
+  )
+
+  recorded.effect("responses calls a tool", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLM.request({
+          model: responsesModel,
+          prompt: "What is the weather in Paris? Use the lookup_weather tool.",
+          tools: [lookupWeather],
+        }),
+      )
+
+      const call = response.toolCalls.find((part) => part.name === "lookup_weather")
+      expect(call).toBeDefined()
+      expect(call?.input).toMatchObject({ city: "Paris" })
+    }),
+  )
+
+  recorded.effect("responses continues after a tool result", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLM.request({
+          model: responsesModel,
+          messages: [
+            Message.user("What is the weather in Paris?"),
+            Message.assistant([
+              ToolCallPart.make({ id: "call_paris_1", name: "lookup_weather", input: { city: "Paris" } }),
+            ]),
+            Message.tool({
+              id: "call_paris_1",
+              name: "lookup_weather",
+              result: "18C, light rain",
+              resultType: "text",
+            }),
+          ],
+          tools: [lookupWeather],
+        }),
+      )
+
+      expect(response.text.length).toBeGreaterThan(0)
+    }),
+  )
+})
@@ -156,14 +156,13 @@ describe("Gemini route", () => {
      expect(prepared.body.contents).toEqual([
        {
          role: "model",
-          parts: [{ functionCall: { id: undefined, name: "lookup", args: { query: "weather" } } }],
+          parts: [{ functionCall: { name: "lookup", args: { query: "weather" } } }],
        },
        {
          role: "user",
          parts: [
            {
              functionResponse: {
-                id: undefined,
                name: "lookup",
                response: { name: "lookup", content: "done" },
              },
@@ -201,8 +200,8 @@ describe("Gemini route", () => {
        {
          role: "model",
          parts: [
-            { functionCall: { id: undefined, name: "lookup", args: { query: "weather" } } },
-            { functionCall: { id: undefined, name: "lookup", args: { query: "time" } } },
+            { functionCall: { name: "lookup", args: { query: "weather" } } },
+            { functionCall: { name: "lookup", args: { query: "time" } } },
          ],
        },
        {
@@ -210,14 +209,12 @@ describe("Gemini route", () => {
          parts: [
            {
              functionResponse: {
-                id: undefined,
                name: "lookup",
                response: { name: "lookup", content: "sunny" },
              },
            },
            {
              functionResponse: {
-                id: undefined,
                name: "lookup",
                response: { name: "lookup", content: "noon" },
              },
@@ -228,6 +225,104 @@ describe("Gemini route", () => {
    }),
  )

+  it.effect("lowers function call ids for gemini 3 models", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model: gemini3,
+          messages: [
+            Message.assistant([ToolCallPart.make({ id: "call_1", name: "lookup", input: { query: "weather" } })]),
+            Message.tool({ id: "call_1", name: "lookup", result: "done", resultType: "text" }),
+          ],
+        }),
+      )
+
+      expect(prepared.body.contents).toEqual([
+        {
+          role: "model",
+          parts: [
+            {
+              functionCall: { id: "call_1", name: "lookup", args: { query: "weather" } },
+              thoughtSignature: "skip_thought_signature_validator",
+            },
+          ],
+        },
+        {
+          role: "user",
+          parts: [
+            {
+              functionResponse: {
+                id: "call_1",
+                name: "lookup",
+                response: { name: "lookup", content: "done" },
+              },
+            },
+          ],
+        },
+      ])
+    }),
+  )
+
+  it.effect("omits function call ids entirely for pre-gemini-3 models", () =>
+    Effect.gen(function* () {
+      const messages = [
+        Message.assistant([ToolCallPart.make({ id: "call_1", name: "lookup", input: { query: "weather" } })]),
+        Message.tool({ id: "call_1", name: "lookup", result: "done", resultType: "text" }),
+      ]
+      const legacy = yield* compileRequest(LLM.request({ model, messages }))
+      const older = yield* compileRequest(
+        LLM.request({
+          model: Gemini.route
+            .with({
+              endpoint: { baseURL: "https://generativelanguage.test/v1beta/" },
+              auth: Auth.header("x-goog-api-key", "test"),
+            })
+            .model({ id: "gemini-1.5-flash" }),
+          messages,
+        }),
+      )
+
+      expect(legacy.body.contents).toEqual([
+        { role: "model", parts: [{ functionCall: { name: "lookup", args: { query: "weather" } } }] },
+        {
+          role: "user",
+          parts: [{ functionResponse: { name: "lookup", response: { name: "lookup", content: "done" } } }],
+        },
+      ])
+      expect(JSON.stringify(legacy.body.contents)).not.toContain('"id"')
+      expect(JSON.stringify(older.body.contents)).not.toContain('"id"')
+    }),
+  )
+
+  it.effect("includes function call ids for non-gemini model ids", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model: Gemini.route
+            .with({
+              endpoint: { baseURL: "https://generativelanguage.test/v1beta/" },
+              auth: Auth.header("x-goog-api-key", "test"),
+            })
+            .model({ id: "gemma-3-27b-it" }),
+          messages: [
+            Message.assistant([ToolCallPart.make({ id: "call_1", name: "lookup", input: { query: "weather" } })]),
+            Message.tool({ id: "call_1", name: "lookup", result: "done", resultType: "text" }),
+          ],
+        }),
+      )
+
+      expect(prepared.body.contents).toEqual([
+        { role: "model", parts: [{ functionCall: { id: "call_1", name: "lookup", args: { query: "weather" } } }] },
+        {
+          role: "user",
+          parts: [
+            { functionResponse: { id: "call_1", name: "lookup", response: { name: "lookup", content: "done" } } },
+          ],
+        },
+      ])
+    }),
+  )
+
  it.effect("prepares multimodal user input and tool history", () =>
    Effect.gen(function* () {
      const prepared = yield* compileRequest(
@@ -419,13 +514,16 @@ describe("Gemini route", () => {
      expect(prepared.body.contents).toEqual([
        {
          role: "model",
-          parts: [{ functionCall: { name: "read", args: { path: "pixel.png" } }, thoughtSignature: "sig_1" }],
+          parts: [
+            { functionCall: { id: "call_image", name: "read", args: { path: "pixel.png" } }, thoughtSignature: "sig_1" },
+          ],
        },
        {
          role: "user",
          parts: [
            {
              functionResponse: {
+                id: "call_image",
                name: "read",
                response: { name: "read", content: "Image read successfully" },
                parts: [{ inlineData: { mimeType: "image/png", data: "AAECAw==" } }],
@@ -849,7 +947,7 @@ describe("Gemini route", () => {
      })
      expect(toolCall).toMatchObject({
        id: "provider_call",
-        providerMetadata: { google: { functionCallId: "provider_call", thoughtSignature: "tool_sig" } },
+        providerMetadata: { google: { thoughtSignature: "tool_sig" } },
      })
      expect(response.events.findIndex((event) => event.type === "reasoning-end")).toBeLessThan(
        response.events.findIndex((event) => event.type === "tool-call"),
@@ -857,7 +955,7 @@ describe("Gemini route", () => {

      const prepared = yield* compileRequest(
        LLM.request({
-          model,
+          model: gemini3,
          messages: [
            Message.assistant([
              { type: "reasoning", text: "thinking", providerMetadata: reasoningEnd?.providerMetadata },
@@ -873,7 +971,6 @@ describe("Gemini route", () => {
              name: "lookup",
              result: "done",
              resultType: "text",
-              providerMetadata: toolCall?.providerMetadata,
            }),
          ],
        }),
@@ -977,7 +1074,7 @@ describe("Gemini route", () => {
          role: "model",
          parts: [
            {
-              functionCall: { id: undefined, name: "lookup", args: { query: "weather" } },
+              functionCall: { id: "tool_0", name: "lookup", args: { query: "weather" } },
              thoughtSignature: "skip_thought_signature_validator",
            },
          ],
@@ -987,7 +1084,7 @@ describe("Gemini route", () => {
          parts: [
            {
              functionResponse: {
-                id: undefined,
+                id: "tool_0",
                name: "lookup",
                response: { name: "lookup", content: "done" },
              },
@@ -1023,15 +1120,15 @@ describe("Gemini route", () => {
          role: "model",
          parts: [
            {
-              functionCall: { id: undefined, name: "lookup", args: { query: "weather" } },
+              functionCall: { id: "tool_0", name: "lookup", args: { query: "weather" } },
              thoughtSignature: "parallel_signature",
            },
            {
-              functionCall: { id: undefined, name: "lookup", args: { query: "news" } },
+              functionCall: { id: "tool_1", name: "lookup", args: { query: "news" } },
              thoughtSignature: undefined,
            },
            {
-              functionCall: { id: undefined, name: "lookup", args: { query: "sports" } },
+              functionCall: { id: "tool_2", name: "lookup", args: { query: "sports" } },
              thoughtSignature: undefined,
            },
          ],
@@ -1059,11 +1156,11 @@ describe("Gemini route", () => {
          role: "model",
          parts: [
            {
-              functionCall: { id: undefined, name: "lookup", args: { query: "weather" } },
+              functionCall: { id: "tool_0", name: "lookup", args: { query: "weather" } },
              thoughtSignature: "skip_thought_signature_validator",
            },
            {
-              functionCall: { id: undefined, name: "lookup", args: { query: "news" } },
+              functionCall: { id: "tool_1", name: "lookup", args: { query: "news" } },
              thoughtSignature: "skip_thought_signature_validator",
            },
          ],
@@ -1214,7 +1311,6 @@ describe("Gemini route", () => {
        id: "call_0",
        name: "lookup",
        input: { query: "weather" },
-        providerMetadata: { google: { functionCallId: "call_0" } },
      })
      expect(response.toolCalls[1]).toMatchObject({
        type: "tool-call",
@@ -1230,6 +1326,37 @@ describe("Gemini route", () => {
    }),
  )

+  it.effect("replaces repeated supplier ids with fresh fallback ids", () =>
+    Effect.gen(function* () {
+      const body = sseEvents({
+        candidates: [
+          {
+            content: {
+              role: "model",
+              parts: [
+                { functionCall: { id: "dup_call", name: "lookup", args: { query: "weather" } } },
+                { functionCall: { id: "dup_call", name: "lookup", args: { query: "news" } } },
+              ],
+            },
+            finishReason: "STOP",
+          },
+        ],
+      })
+      const response = yield* LLMClient.generate(
+        LLMRequest.update(request, {
+          tools: [ToolDefinition.make({ name: "lookup", description: "Lookup data", inputSchema: { type: "object" } })],
+        }),
+      ).pipe(Effect.provide(fixedResponse(body)))
+
+      expect(response.toolCalls[0]).toMatchObject({
+        id: "dup_call",
+        providerMetadata: undefined,
+      })
+      expect(response.toolCalls[1].id).toMatch(/^tool_[0-9a-zA-Z]+$/)
+      expect(response.toolCalls[1].id).not.toBe(response.toolCalls[0].id)
+    }),
+  )
+
  it.effect("assigns distinct unique fallback ids across separate requests", () =>
    Effect.gen(function* () {
      const body = sseEvents({
@@ -1365,6 +1492,73 @@ describe("Gemini route", () => {
    }),
  )

+  it.effect("survives explicit null usage counts", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(request).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              { candidates: [{ content: { role: "model", parts: [{ text: "Hi" }] } }] },
+              { usageMetadata: { promptTokenCount: null, candidatesTokenCount: 5 } },
+            ),
+          ),
+        ),
+      )
+
+      expect(response.text).toBe("Hi")
+      expect(response.usage).toMatchObject({ outputTokens: 5, totalTokens: 5 })
+      expect(response.usage?.inputTokens).toBeUndefined()
+      expect(response.usage?.nonCachedInputTokens).toBeUndefined()
+      expect(response.usage?.cacheReadInputTokens).toBeUndefined()
+      expect(response.usage?.reasoningTokens).toBeUndefined()
+    }),
+  )
+
+  it.effect("survives null candidates, content, parts, and finish reason", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(request).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              { candidates: null },
+              { candidates: [{ content: { role: "model", parts: null } }] },
+              { candidates: [{ content: null, finishReason: null }] },
+              {
+                candidates: [
+                  { content: { role: "model", parts: [{ text: "Hello" }] }, finishReason: "STOP" as const },
+                ],
+              },
+            ),
+          ),
+        ),
+      )
+
+      expect(response.text).toBe("Hello")
+      expect(response.finishReason).toEqual({ normalized: "stop", raw: "STOP" })
+    }),
+  )
+
+  it.effect("treats a null thought flag on a text part as visible output", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(request).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents({
+              candidates: [
+                { content: { role: "model", parts: [{ text: "Visible", thought: null }] }, finishReason: "STOP" },
+              ],
+            }),
+          ),
+        ),
+      )
+      const reasoningStart = response.events.find((event) => event.type === "reasoning-start")
+
+      expect(reasoningStart).toBeUndefined()
+      expect(response.reasoning ?? "").toBe("")
+      expect(response.text).toBe("Visible")
+    }),
+  )
+
  it.effect("fails invalid stream events", () =>
    Effect.gen(function* () {
      const error = yield* LLMClient.generate(request).pipe(
@@ -0,0 +1,77 @@
+import { describe, expect } from "bun:test"
+import { Effect } from "effect"
+
+import { LLM, Message, ToolDefinition, ToolCallPart } from "../../src/index.js"
+import { GoogleVertex } from "../../src/providers.js"
+import { LLMClient } from "../../src/route.js"
+import { recordedTests } from "../recorded-test.js"
+
+const model = GoogleVertex.configure({
+  apiKey: process.env.GOOGLE_VERTEX_API_KEY ?? "fixture",
+}).model("gemini-3.5-flash")
+
+const lookupWeather = ToolDefinition.make({
+  name: "lookup_weather",
+  description: "Look up the current weather for a city",
+  inputSchema: { type: "object", properties: { city: { type: "string" } }, required: ["city"] },
+})
+
+const recorded = recordedTests({
+  prefix: "google-vertex",
+  provider: "google-vertex",
+  protocol: "gemini",
+  requires: ["GOOGLE_VERTEX_API_KEY"],
+})
+
+describe("Google Vertex Gemini recorded", () => {
+  recorded.effect("streams text", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLM.request({ model, prompt: "Reply with exactly one word: hello" }),
+      )
+
+      expect(response.text.toLowerCase()).toContain("hello")
+    }),
+  )
+
+  recorded.effect("calls a tool", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLM.request({
+          model,
+          prompt: "What is the weather in Paris? Use the lookup_weather tool.",
+          tools: [lookupWeather],
+        }),
+      )
+
+      const call = response.toolCalls.find((part) => part.name === "lookup_weather")
+      expect(call).toBeDefined()
+      expect(call?.input).toMatchObject({ city: "Paris" })
+    }),
+  )
+
+  recorded.effect("continues after a tool result", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLM.request({
+          model,
+          messages: [
+            Message.user("What is the weather in Paris?"),
+            Message.assistant([
+              ToolCallPart.make({ id: "call_paris_1", name: "lookup_weather", input: { city: "Paris" } }),
+            ]),
+            Message.tool({
+              id: "call_paris_1",
+              name: "lookup_weather",
+              result: "18C, light rain",
+              resultType: "text",
+            }),
+          ],
+          tools: [lookupWeather],
+        }),
+      )
+
+      expect(response.text.length).toBeGreaterThan(0)
+    }),
+  )
+})
@@ -1,7 +1,7 @@
 import { describe, expect } from "bun:test"
 import { Effect } from "effect"
 import { HttpClientRequest } from "effect/unstable/http"
-import { LLM } from "../../src/index.js"
+import { LLM, Message, ToolCallPart } from "../../src/index.js"
 import { GoogleVertex, GoogleVertexChat, GoogleVertexMessages, GoogleVertexResponses } from "../../src/providers.js"
 import { LLMClient } from "../../src/route.js"
 import { compileRequest } from "../../src/route/client.js"
@@ -75,6 +75,53 @@ describe("Google Vertex providers", () => {
    }),
  )

+  it.effect("strips function call ids Vertex does not accept from lowered bodies", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model: GoogleVertex.configure({
+            accessToken: "vertex-token",
+            project: "vertex-project",
+          }).model("gemini-3.5-flash"),
+          messages: [
+            Message.assistant([
+              ToolCallPart.make({
+                id: "call_1",
+                name: "lookup",
+                input: { query: "weather" },
+                providerMetadata: { google: { functionCallId: "provider_call_1" } },
+              }),
+            ]),
+            Message.tool({
+              id: "call_1",
+              name: "lookup",
+              result: "sunny",
+              resultType: "text",
+              providerMetadata: { google: { functionCallId: "provider_call_1" } },
+            }),
+          ],
+        }),
+      )
+
+      expect(JSON.stringify(prepared.body.contents)).not.toContain('"id"')
+      expect(prepared.body.contents).toMatchObject([
+        { role: "model", parts: [{ functionCall: { id: undefined, name: "lookup", args: { query: "weather" } } }] },
+        {
+          role: "user",
+          parts: [
+            {
+              functionResponse: {
+                id: undefined,
+                name: "lookup",
+                response: { name: "lookup", content: "sunny" },
+              },
+            },
+          ],
+        },
+      ])
+    }),
+  )
+
  it.effect("projects Anthropic Messages onto the Vertex raw-predict API", () =>
    Effect.gen(function* () {
      const model = GoogleVertexMessages.configure({
@@ -190,6 +237,7 @@ describe("Google Vertex providers", () => {
              })
              return input.respond(
                sseEvents(
+                  { type: "response.output_item.added", item: { type: "message", id: "msg_1" } },
                  { type: "response.output_text.delta", item_id: "msg_1", delta: "Hello." },
                  { type: "response.completed", response: { id: "resp_1" } },
                ),
@@ -342,6 +342,7 @@ describe("OpenAI Chat route", () => {
          },
          { role: "tool", tool_call_id: "call_1", content: encodeJson({ forecast: "sunny" }) },
        ],
+        tools: [],
        stream: true,
        stream_options: { include_usage: true },
      })
@@ -78,6 +78,45 @@ describe("Open Responses-compatible route", () => {
    }),
  )

+  it.effect("uses data URLs for embedded PDF messages and tool results", () =>
+    Effect.gen(function* () {
+      const model = configure({
+        apiKey: "test-key",
+        baseURL: "https://responses.example.test/v1",
+        provider: "example",
+      }).model("example-model")
+      const pdf = "data:application/pdf;base64,JVBERi0xLjQ="
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model,
+          messages: [
+            Message.user([{ type: "media", mediaType: "application/pdf", data: pdf, filename: "input.pdf" }]),
+            Message.assistant({ type: "tool-call", id: "call_1", name: "read", input: {} }),
+            Message.tool({
+              id: "call_1",
+              name: "read",
+              resultType: "content",
+              result: [{ type: "file", uri: pdf, mime: "application/pdf", name: "result.pdf" }],
+            }),
+          ],
+        }),
+      )
+
+      expect(prepared.body.input).toEqual([
+        {
+          role: "user",
+          content: [{ type: "input_file", filename: "input.pdf", file_data: pdf }],
+        },
+        { type: "function_call", call_id: "call_1", name: "read", arguments: "{}" },
+        {
+          type: "function_call_output",
+          call_id: "call_1",
+          output: [{ type: "input_file", filename: "result.pdf", file_data: pdf }],
+        },
+      ])
+    }),
+  )
+
  it.effect("rejects OpenAI-native tools", () =>
    Effect.gen(function* () {
      const model = configure({
@@ -93,6 +132,78 @@ describe("Open Responses-compatible route", () => {
    }),
  )

+  it.effect("keeps foreign item id grammars but drops malformed ids", () =>
+    Effect.gen(function* () {
+      const model = configure({
+        apiKey: "test-key",
+        baseURL: "https://responses.example.test/v1",
+      }).model("example-model")
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model,
+          messages: [
+            Message.assistant([
+              // The baseline does not enforce a provider id grammar, so a
+              // non-OpenAI but well-formed token is resent as-is.
+              { type: "text", text: "Kept.", providerMetadata: { openresponses: { itemId: "history_1" } } },
+              // Shape violations are dropped even without a grammar policy.
+              {
+                type: "text",
+                text: "Dropped.",
+                providerMetadata: { openresponses: { itemId: `m${"a".repeat(64)}` } },
+              },
+            ]),
+          ],
+        }),
+      )
+
+      expect(prepared.body.input).toEqual([
+        {
+          type: "message",
+          id: "history_1",
+          role: "assistant",
+          content: [{ type: "output_text", text: "Kept." }],
+        },
+        {
+          type: "message",
+          role: "assistant",
+          content: [{ type: "output_text", text: "Dropped." }],
+        },
+      ])
+    }),
+  )
+
+  it.effect("reconciles raw reasoning finals without streamed deltas", () =>
+    Effect.gen(function* () {
+      const model = configure({
+        apiKey: "test-key",
+        baseURL: "https://responses.example.test/v1",
+      }).model("example-model")
+      const response = yield* LLMClient.generate(LLM.request({ model, prompt: "Think it through." })).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              {
+                type: "response.output_item.added",
+                item: { type: "reasoning", id: "rs_raw", encrypted_content: null },
+              },
+              // Raw reasoning finals carry no summary index; they reconcile
+              // into the item's first block.
+              { type: "response.reasoning.done", item_id: "rs_raw", text: "Raw chain of thought." },
+              {
+                type: "response.output_item.done",
+                item: { type: "reasoning", id: "rs_raw", encrypted_content: "raw-state" },
+              },
+              { type: "response.completed", response: { id: "resp_1" } },
+            ),
+          ),
+        ),
+      )
+
+      expect(response.reasoning).toBe("Raw chain of thought.")
+    }),
+  )
+
  it.effect("preserves nullable phases in the forgiving Open Responses baseline", () =>
    Effect.gen(function* () {
      const model = configure({
@@ -114,7 +225,12 @@ describe("Open Responses-compatible route", () => {

      expect(prepared.body).toMatchObject({
        input: [
-          { type: "message", role: "assistant", content: [{ type: "output_text", text: "Unclassified." }], phase: null },
+          {
+            type: "message",
+            role: "assistant",
+            content: [{ type: "output_text", text: "Unclassified." }],
+            phase: null,
+          },
        ],
      })
    }),
@@ -189,6 +305,7 @@ describe("Open Responses-compatible route", () => {
          streamOptions: { includeObfuscation: false },
          topLogprobs: 3,
          truncation: "auto",
+          serviceTier: "provider-tier",
          allowedTools: { toolNames: ["lookup"] },
          maxToolCalls: 2,
          parallelToolCalls: false,
@@ -213,6 +330,7 @@ describe("Open Responses-compatible route", () => {
        presence_penalty: 0.2,
        frequency_penalty: -0.1,
        truncation: "auto",
+        service_tier: "provider-tier",
        tool_choice: {
          type: "allowed_tools",
          mode: "auto",
@@ -188,17 +188,15 @@ describe("OpenAI Responses route", () => {
    }),
  )

-  it.effect("omits unsupported semantic service tiers", () =>
+  it.effect("passes through provider-defined service tiers", () =>
    Effect.gen(function* () {
-      const prepared = yield* compileRequest(
-        LLMRequest.update(request, { providerOptions: { serviceTier: "unsupported" } }),
-      )
+      const prepared = yield* compileRequest(LLMRequest.update(request, { providerOptions: { serviceTier: "scale" } }))

-      expect(prepared.body).not.toHaveProperty("service_tier")
+      expect(prepared.body.service_tier).toBe("scale")
    }),
  )

-  it.effect("flattens top-level object unions in function schemas", () =>
+  it.effect("preserves function schemas", () =>
    Effect.gen(function* () {
      const prepared = yield* compileRequest(
        LLMRequest.update(request, {
@@ -238,13 +236,22 @@ describe("OpenAI Responses route", () => {
          strict: false,
          parameters: {
            type: "object",
-            properties: {
-              path: { type: "string" },
-              reference: { type: "string" },
-              limit: { type: "integer", maximum: 2000 },
-              resource: { type: "string" },
-            },
-            additionalProperties: false,
+            anyOf: [
+              {
+                type: "object",
+                properties: {
+                  path: { type: "string" },
+                  reference: { anyOf: [{ type: "string" }, { type: "null" }] },
+                  limit: { type: "integer", maximum: 2000 },
+                },
+                required: ["path"],
+              },
+              {
+                type: "object",
+                properties: { resource: { type: "string" }, limit: { type: "integer", maximum: 51200 } },
+                required: ["resource"],
+              },
+            ],
          },
        },
      ])
@@ -314,6 +321,10 @@ describe("OpenAI Responses route", () => {
              }),
            messages: Stream.fromArray([
              ProviderShared.encodeJson({ type: "response.created", response: { id: "resp_ws" } }),
+              ProviderShared.encodeJson({
+                type: "response.output_item.added",
+                item: { type: "message", id: "msg_1" },
+              }),
              ProviderShared.encodeJson({ type: "response.output_text.delta", item_id: "msg_1", delta: "Hi" }),
              ProviderShared.encodeJson({ type: "response.completed", response: { id: "resp_ws" } }),
            ]),
@@ -394,6 +405,38 @@ describe("OpenAI Responses route", () => {
    }),
  )

+  it.effect("tolerates keepalive frames before response.created", () =>
+    Effect.gen(function* () {
+      const webSocket = WebSocketTransport.makeDirect({
+        open: () =>
+          Effect.succeed({
+            sendText: () => Effect.void,
+            messages: Stream.fromArray([
+              ProviderShared.encodeJson({ type: "keepalive", sequence_number: 0 }),
+              ProviderShared.encodeJson({ type: "response.created", response: { id: "resp_alive" } }),
+              ProviderShared.encodeJson({
+                type: "response.completed",
+                response: { id: "resp_alive", usage: { input_tokens: 1, output_tokens: 1 } },
+              }),
+            ]),
+            close: Effect.void,
+          }),
+      })
+      const deps = Layer.succeed(
+        RequestExecutor.Service,
+        RequestExecutor.Service.of({ execute: () => Effect.die("unexpected HTTP request") }),
+      )
+      const model = OpenAI.configure({ baseURL: "https://api.openai.test/v1/", apiKey: "test" }).responses(
+        "gpt-4.1-mini",
+      )
+
+      const response = yield* LLMClient.generate(LLM.request({ model, prompt: "hi" }), { webSocket }).pipe(
+        Effect.provide(LLMClient.layer.pipe(Layer.provide(deps))),
+      )
+      expect(response.finishReason?.normalized).toBe("stop")
+    }),
+  )
+
  it.effect("continues a tool call with only the new tool output", () =>
    Effect.gen(function* () {
      const firstRequest = {
@@ -1273,7 +1316,7 @@ describe("OpenAI Responses route", () => {
        {
          type: "input_file",
          filename: "report.pdf",
-          file_data: "JVBERi0xLjQ=",
+          file_data: "data:application/pdf;base64,JVBERi0xLjQ=",
        },
      ])
    }),
@@ -1300,7 +1343,7 @@ describe("OpenAI Responses route", () => {
      )

      expect(expectToolOutput(prepared.body).output).toEqual([
-        { type: "input_file", filename: "report.pdf", file_data: base64 },
+        { type: "input_file", filename: "report.pdf", file_data: dataUrl },
      ])
    }),
  )
@@ -1333,7 +1376,7 @@ describe("OpenAI Responses route", () => {
        {
          type: "input_file",
          filename: "report.pdf",
-          file_data: "JVBERi0xLjQ=",
+          file_data: "data:application/pdf;base64,JVBERi0xLjQ=",
        },
      ])
    }),
@@ -1358,7 +1401,7 @@ describe("OpenAI Responses route", () => {
      )

      expect(expectToolOutput(prepared.body).output).toEqual([
-        { type: "input_file", filename: "file", file_data: "AAECAw==" },
+        { type: "input_file", filename: "file", file_data: "data:audio/mpeg;base64,AAECAw==" },
      ])
    }),
  )
@@ -1626,6 +1669,7 @@ describe("OpenAI Responses route", () => {
  it.effect("parses text and usage stream fixtures", () =>
    Effect.gen(function* () {
      const body = sseEvents(
+        { type: "response.output_item.added", item: { type: "message", id: "msg_1" } },
        { type: "response.output_text.delta", item_id: "msg_1", delta: "Hello" },
        { type: "response.output_text.delta", item_id: "msg_1", delta: "!" },
        {
@@ -1887,6 +1931,67 @@ describe("OpenAI Responses route", () => {
    }),
  )

+  it.effect("ignores deltas without a matching output item", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(request).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              { type: "response.output_text.delta", item_id: "msg_missing", delta: "orphaned text" },
+              { type: "response.refusal.delta", item_id: "refusal_missing", delta: "orphaned refusal" },
+              {
+                type: "response.reasoning_summary_text.delta",
+                item_id: "rs_missing",
+                summary_index: 0,
+                delta: "orphaned reasoning",
+              },
+              {
+                type: "response.reasoning_summary_part.added",
+                item_id: "rs_still_missing",
+                summary_index: 0,
+              },
+              {
+                type: "response.reasoning_summary_text.delta",
+                item_id: "rs_still_missing",
+                summary_index: 0,
+                delta: "still orphaned reasoning",
+              },
+              {
+                type: "response.function_call_arguments.delta",
+                item_id: "fc_missing",
+                delta: '{"orphaned":true}',
+              },
+              { type: "response.completed", response: { id: "resp_1" } },
+            ),
+          ),
+        ),
+      )
+
+      expect(response.text).toBe("")
+      expect(response.message.content).toEqual([])
+      expect(response.events.some(LLMEvent.is.toolCall)).toBeFalse()
+    }),
+  )
+
+  it.effect("rejects function argument deltas without the spec-required item id", () =>
+    Effect.gen(function* () {
+      const error = yield* LLMClient.generate(request).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              { type: "response.function_call_arguments.delta", delta: "{}" },
+              { type: "response.completed", response: { id: "resp_1" } },
+            ),
+          ),
+        ),
+        Effect.flip,
+      )
+
+      expect(error.reason._tag).toBe("InvalidProviderOutput")
+      expect(error.message).toContain("response.function_call_arguments.delta is missing item_id")
+    }),
+  )
+
  it.effect("rejects reasoning events without the spec-required item id", () =>
    Effect.gen(function* () {
      const events = [
@@ -1942,8 +2047,10 @@ describe("OpenAI Responses route", () => {
        Effect.provide(
          fixedResponse(
            sseEvents(
+              { type: "response.output_item.added", item: { type: "message", id: "msg_1" } },
              { type: "response.output_text.delta", item_id: "msg_1", delta: "First" },
-              { type: "response.output_text.done", item_id: "msg_1" },
+              { type: "response.output_item.done", item: { type: "message", id: "msg_1" } },
+              { type: "response.output_item.added", item: { type: "message", id: "msg_2" } },
              { type: "response.output_text.delta", item_id: "msg_2", delta: "Second" },
              { type: "response.output_item.done", item: { type: "message", id: "msg_2" } },
              { type: "response.completed", response: { id: "resp_1" } },
@@ -1954,10 +2061,10 @@ describe("OpenAI Responses route", () => {

      expect(response.events.filter((event) => event.type.startsWith("text-"))).toEqual([
        { type: "text-start", id: "msg_1", providerMetadata: { openai: { itemId: "msg_1" } } },
-        { type: "text-delta", id: "msg_1", text: "First" },
-        { type: "text-end", id: "msg_1", providerMetadata: undefined },
+        { type: "text-delta", id: "msg_1", text: "First", providerMetadata: undefined },
+        { type: "text-end", id: "msg_1", providerMetadata: { openai: { itemId: "msg_1" } } },
        { type: "text-start", id: "msg_2", providerMetadata: { openai: { itemId: "msg_2" } } },
-        { type: "text-delta", id: "msg_2", text: "Second" },
+        { type: "text-delta", id: "msg_2", text: "Second", providerMetadata: undefined },
        { type: "text-end", id: "msg_2", providerMetadata: { openai: { itemId: "msg_2" } } },
      ])
    }),
@@ -1966,7 +2073,9 @@ describe("OpenAI Responses route", () => {
  it.effect("parses reasoning summary stream fixtures", () =>
    Effect.gen(function* () {
      const body = sseEvents(
+        { type: "response.output_item.added", item: { type: "reasoning", id: "rs_1" } },
        { type: "response.reasoning_summary_text.delta", item_id: "rs_1", delta: "thinking" },
+        { type: "response.output_item.added", item: { type: "message", id: "msg_1" } },
        { type: "response.output_text.delta", item_id: "msg_1", delta: "Hello" },
        { type: "response.reasoning_summary_text.done", item_id: "rs_1" },
        { type: "response.completed", response: { id: "resp_1" } },
@@ -1978,18 +2087,22 @@ describe("OpenAI Responses route", () => {
      expect(response.text).toBe("Hello")
      expect(response.events).toMatchObject([
        { type: "step-start", index: 0 },
-        { type: "reasoning-start", id: "rs_1" },
-        { type: "reasoning-delta", id: "rs_1", text: "thinking" },
+        { type: "reasoning-start", id: "rs_1:0" },
+        { type: "reasoning-delta", id: "rs_1:0", text: "thinking" },
        { type: "text-start", id: "msg_1" },
        { type: "text-delta", id: "msg_1", text: "Hello" },
-        { type: "reasoning-end", id: "rs_1" },
+        { type: "reasoning-end", id: "rs_1:0" },
        { type: "text-end", id: "msg_1" },
        { type: "step-finish", index: 0, reason: { normalized: "stop", raw: undefined } },
        { type: "finish", reason: { normalized: "stop", raw: undefined } },
      ])
      expect(response.events.filter((event) => event.type === "finish")).toHaveLength(1)
      expect(response.message.content).toEqual([
-        { type: "reasoning", text: "thinking" },
+        {
+          type: "reasoning",
+          text: "thinking",
+          providerMetadata: { openai: { itemId: "rs_1", reasoningEncryptedContent: null } },
+        },
        { type: "text", text: "Hello", providerMetadata: { openai: { itemId: "msg_1" } } },
      ])
    }),
@@ -2001,6 +2114,7 @@ describe("OpenAI Responses route", () => {
        Effect.provide(
          fixedResponse(
            sseEvents(
+              { type: "response.output_item.added", item: { type: "reasoning", id: "rs_1" } },
              { type: "response.reasoning_summary_text.delta", item_id: "rs_1", delta: "thinking" },
              {
                type: "response.output_item.done",
@@ -2020,7 +2134,7 @@ describe("OpenAI Responses route", () => {
      expect(response.events).toContainEqual(
        expect.objectContaining({
          type: "reasoning-end",
-          id: "rs_1",
+          id: "rs_1:0",
          providerMetadata: { openai: { itemId: "rs_1", reasoningEncryptedContent: "encrypted-state" } },
        }),
      )
@@ -2082,6 +2196,105 @@ describe("OpenAI Responses route", () => {
    }),
  )

+  it.effect("reconciles reasoning summaries that arrive only as finals", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLMRequest.update(request, { providerOptions: { store: false } }),
+      ).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              {
+                type: "response.output_item.added",
+                item: { type: "reasoning", id: "rs_1", encrypted_content: null },
+              },
+              { type: "response.reasoning_summary_part.added", item_id: "rs_1", summary_index: 0 },
+              // No `.delta` events at all: the gateway sends the complete
+              // summary text in the `.done` final.
+              {
+                type: "response.reasoning_summary_text.done",
+                item_id: "rs_1",
+                summary_index: 0,
+                text: "Checked the diff.",
+              },
+              { type: "response.reasoning_summary_part.done", item_id: "rs_1", summary_index: 0 },
+              {
+                type: "response.output_item.done",
+                item: {
+                  type: "reasoning",
+                  id: "rs_1",
+                  summary: [{ type: "summary_text", text: "Checked the diff." }],
+                  encrypted_content: "encrypted-state",
+                },
+              },
+              { type: "response.completed", response: { id: "resp_1" } },
+            ),
+          ),
+        ),
+      )
+
+      expect(response.reasoning).toBe("Checked the diff.")
+      expect(response.events.filter((event) => event.type.startsWith("reasoning-"))).toEqual([
+        {
+          type: "reasoning-start",
+          id: "rs_1:0",
+          providerMetadata: { openai: { itemId: "rs_1", reasoningEncryptedContent: null } },
+        },
+        { type: "reasoning-delta", id: "rs_1:0", text: "Checked the diff.", providerMetadata: undefined },
+        {
+          type: "reasoning-end",
+          id: "rs_1:0",
+          providerMetadata: { openai: { itemId: "rs_1", reasoningEncryptedContent: "encrypted-state" } },
+        },
+      ])
+
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model,
+          messages: [response.message],
+          providerOptions: { store: false, include: ["reasoning.encrypted_content"] },
+        }),
+      )
+      expect(prepared.body.input).toEqual([
+        {
+          type: "reasoning",
+          id: "rs_1",
+          summary: [{ type: "summary_text", text: "Checked the diff." }],
+          encrypted_content: "encrypted-state",
+        },
+      ])
+    }),
+  )
+
+  it.effect("does not duplicate reasoning finals after streamed deltas", () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(request).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              { type: "response.output_item.added", item: { type: "reasoning", id: "rs_1", encrypted_content: null } },
+              { type: "response.reasoning_summary_part.added", item_id: "rs_1", summary_index: 0 },
+              { type: "response.reasoning_summary_text.delta", item_id: "rs_1", summary_index: 0, delta: "Streamed" },
+              // Repeats the complete text, as the spec allows.
+              { type: "response.reasoning_summary_text.done", item_id: "rs_1", summary_index: 0, text: "Streamed" },
+              { type: "response.reasoning_summary_part.done", item_id: "rs_1", summary_index: 0 },
+              {
+                type: "response.output_item.done",
+                item: { type: "reasoning", id: "rs_1", encrypted_content: "encrypted-state" },
+              },
+              { type: "response.completed", response: { id: "resp_1" } },
+            ),
+          ),
+        ),
+      )
+
+      expect(response.reasoning).toBe("Streamed")
+      expect(response.events.filter((event) => event.type === "reasoning-delta")).toEqual([
+        { type: "reasoning-delta", id: "rs_1:0", text: "Streamed", providerMetadata: undefined },
+      ])
+    }),
+  )
+
  it.effect("closes reasoning summary parts when storage is not disabled", () =>
    Effect.gen(function* () {
      const response = yield* LLMClient.generate(LLMRequest.update(request, { providerOptions: { store: true } })).pipe(
@@ -2161,6 +2374,7 @@ describe("OpenAI Responses route", () => {
              })
              return input.respond(
                sseEvents(
+                  { type: "response.output_item.added", item: { type: "message", id: "msg_1" } },
                  { type: "response.output_text.delta", item_id: "msg_1", delta: "Parser now round-trips reasoning." },
                  { type: "response.completed", response: { id: "resp_1" } },
                ),
@@ -2272,6 +2486,134 @@ describe("OpenAI Responses route", () => {
    }),
  )

+  it.effect("continues stateless hosted tool results with their text form", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model,
+          messages: [
+            Message.user("Search."),
+            Message.assistant([
+              ToolCallPart.make({
+                id: "ws_1",
+                name: "web_search",
+                input: { query: "effect 4" },
+                providerExecuted: true,
+                providerMetadata: { openai: { itemId: "ws_1" } },
+              }),
+              {
+                type: "tool-result",
+                id: "ws_1",
+                name: "web_search",
+                result: { type: "json", value: { type: "web_search_call", id: "ws_1", status: "completed" } },
+                providerExecuted: true,
+                providerMetadata: { openai: { itemId: "ws_1" } },
+              },
+            ]),
+            Message.user("Continue."),
+          ],
+          providerOptions: { store: false },
+        }),
+      )
+
+      expect(prepared.body.input).toEqual([
+        { role: "user", content: [{ type: "input_text", text: "Search." }] },
+        {
+          role: "user",
+          content: [{ type: "input_text", text: '{"type":"web_search_call","id":"ws_1","status":"completed"}' }],
+        },
+        { role: "user", content: [{ type: "input_text", text: "Continue." }] },
+      ])
+    }),
+  )
+
+  it.effect("drops replayed item ids outside the server's grammar", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model,
+          messages: [
+            Message.assistant([
+              // Fails the message id prefix.
+              {
+                type: "text",
+                text: "Hello",
+                providerMetadata: { openai: { itemId: "history_1" } },
+              },
+              // Oversized for the Responses item id limit.
+              {
+                type: "text",
+                text: "World",
+                providerMetadata: { openai: { itemId: `m${"a".repeat(64)}` } },
+              },
+              // Fails the reasoning id prefix, so the whole item is unreplayable
+              // statelessly and is skipped rather than sent malformed.
+              {
+                type: "reasoning",
+                text: "Checked the diff.",
+                providerMetadata: { openai: { itemId: "thinking_1", reasoningEncryptedContent: "encrypted-state" } },
+              },
+              ToolCallPart.make({
+                id: "call_1",
+                name: "lookup",
+                input: { query: "weather" },
+                providerMetadata: { openai: { itemId: "toolu_01A" } },
+              }),
+            ]),
+          ],
+        }),
+      )
+
+      expect(prepared.body.input).toEqual([
+        {
+          type: "message",
+          role: "assistant",
+          content: [
+            { type: "output_text", text: "Hello" },
+            { type: "output_text", text: "World" },
+          ],
+        },
+        {
+          type: "function_call",
+          call_id: "call_1",
+          name: "lookup",
+          arguments: '{"query":"weather"}',
+        },
+      ])
+    }),
+  )
+
+  it.effect("keeps well-formed hosted references and drops malformed ones under storage", () =>
+    Effect.gen(function* () {
+      const hostedResult = (itemId: string) => [
+        ToolCallPart.make({
+          id: itemId,
+          name: "web_search",
+          input: { query: "effect 4" },
+          providerExecuted: true,
+          providerMetadata: { openai: { itemId } },
+        }),
+        {
+          type: "tool-result" as const,
+          id: itemId,
+          name: "web_search",
+          result: { type: "json" as const, value: { status: "completed" } },
+          providerExecuted: true as const,
+          providerMetadata: { openai: { itemId } },
+        },
+      ]
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model,
+          messages: [Message.assistant(hostedResult("ws_1")), Message.assistant(hostedResult("bad ref"))],
+          providerOptions: { store: true },
+        }),
+      )
+
+      expect(prepared.body.input).toEqual([{ type: "item_reference", id: "ws_1" }])
+    }),
+  )
+
  it.effect("continues stateless hosted image generation with the generated image", () =>
    Effect.gen(function* () {
      const imageTool = OpenAI.imageGeneration({ action: "edit" })
@@ -2395,15 +2737,15 @@ describe("OpenAI Responses route", () => {
      const body = sseEvents(
        {
          type: "response.output_item.added",
-          item: { type: "function_call", id: "item_1", call_id: "call_1", name: "lookup", arguments: "" },
+          item: { type: "function_call", id: "fc_item_1", call_id: "call_1", name: "lookup", arguments: "" },
        },
-        { type: "response.function_call_arguments.delta", item_id: "item_1", delta: '{"query"' },
-        { type: "response.function_call_arguments.delta", item_id: "item_1", delta: ':"weather"}' },
+        { type: "response.function_call_arguments.delta", item_id: "fc_item_1", delta: '{"query"' },
+        { type: "response.function_call_arguments.delta", item_id: "fc_item_1", delta: ':"weather"}' },
        {
          type: "response.output_item.done",
          item: {
            type: "function_call",
-            id: "item_1",
+            id: "fc_item_1",
            call_id: "call_1",
            name: "lookup",
            arguments: '{"query":"weather"}',
@@ -2432,7 +2774,7 @@ describe("OpenAI Responses route", () => {
          type: "tool-input-start",
          id: "call_1",
          name: "lookup",
-          providerMetadata: { openai: { itemId: "item_1" } },
+          providerMetadata: { openai: { itemId: "fc_item_1" } },
        },
        {
          type: "tool-input-delta",
@@ -2450,7 +2792,7 @@ describe("OpenAI Responses route", () => {
          type: "tool-input-end",
          id: "call_1",
          name: "lookup",
-          providerMetadata: { openai: { itemId: "item_1" } },
+          providerMetadata: { openai: { itemId: "fc_item_1" } },
        },
        {
          type: "tool-call",
@@ -2458,7 +2800,7 @@ describe("OpenAI Responses route", () => {
          name: "lookup",
          input: { query: "weather" },
          providerExecuted: undefined,
-          providerMetadata: { openai: { itemId: "item_1" } },
+          providerMetadata: { openai: { itemId: "fc_item_1" } },
        },
        {
          type: "step-finish",
@@ -2479,7 +2821,7 @@ describe("OpenAI Responses route", () => {
      expect(prepared.body.input).toEqual([
        {
          type: "function_call",
-          id: "item_1",
+          id: "fc_item_1",
          call_id: "call_1",
          name: "lookup",
          arguments: '{"query":"weather"}',
@@ -2493,7 +2835,7 @@ describe("OpenAI Responses route", () => {
      const body = sseEvents(
        {
          type: "response.output_item.added",
-          item: { type: "function_call", id: "item_1", call_id: "call_1", name: "lookup", arguments: "" },
+          item: { type: "function_call", id: "fc_item_1", call_id: "call_1", name: "lookup", arguments: "" },
        },
        { type: "response.completed", response: { usage: { input_tokens: 5, output_tokens: 1 } } },
      )
@@ -2505,7 +2847,7 @@ describe("OpenAI Responses route", () => {
            type: "tool-input-end",
            id: "call_1",
            name: "lookup",
-            providerMetadata: { openai: { itemId: "item_1" } },
+            providerMetadata: { openai: { itemId: "fc_item_1" } },
          },
          {
            type: "tool-call",
@@ -2513,7 +2855,7 @@ describe("OpenAI Responses route", () => {
            name: "lookup",
            input: {},
            providerExecuted: undefined,
-            providerMetadata: { openai: { itemId: "item_1" } },
+            providerMetadata: { openai: { itemId: "fc_item_1" } },
          },
        ],
      )
@@ -2526,14 +2868,14 @@ describe("OpenAI Responses route", () => {
      const body = sseEvents(
        {
          type: "response.output_item.added",
-          item: { type: "function_call", id: "item_1", call_id: "call_1", name: "lookup", arguments: "" },
+          item: { type: "function_call", id: "fc_item_1", call_id: "call_1", name: "lookup", arguments: "" },
        },
-        { type: "response.function_call_arguments.delta", item_id: "item_1", delta: '{"query":"streamed"}' },
+        { type: "response.function_call_arguments.delta", item_id: "fc_item_1", delta: '{"query":"streamed"}' },
        {
          type: "response.output_item.done",
          item: {
            type: "function_call",
-            id: "item_1",
+            id: "fc_item_1",
            call_id: "call_1",
            name: "lookup",
            arguments: '{"query":"partial',
@@ -2565,7 +2907,7 @@ describe("OpenAI Responses route", () => {
          type: "response.output_item.done",
          item: {
            type: "function_call",
-            id: "item_1",
+            id: "fc_item_1",
            call_id: "call_1",
            name: "lookup",
            arguments: '{"query":"partial',
@@ -2594,7 +2936,7 @@ describe("OpenAI Responses route", () => {
                type: "response.output_item.done",
                item: {
                  type: "function_call",
-                  id: "item_1",
+                  id: "fc_item_1",
                  call_id: "call_1",
                  name: "lookup",
                  arguments: '{"query":"weather"}',
@@ -2608,7 +2950,7 @@ describe("OpenAI Responses route", () => {

      expect(response.events.find(LLMEvent.is.toolCall)).toMatchObject({
        id: "call_1",
-        providerMetadata: { openai: { itemId: "item_1" } },
+        providerMetadata: { openai: { itemId: "fc_item_1" } },
      })
    }),
  )
@@ -2652,6 +2994,47 @@ describe("OpenAI Responses route", () => {
    }),
  )

+  it.effect("decodes computer_call as provider-executed tool-call + tool-result", () =>
+    Effect.gen(function* () {
+      const item = {
+        type: "computer_call",
+        id: "computer_1",
+        call_id: "call_1",
+        status: "completed",
+        action: { type: "click", x: 100, y: 200 },
+      }
+      const response = yield* LLMClient.generate(request).pipe(
+        Effect.provide(
+          fixedResponse(
+            sseEvents(
+              { type: "response.output_item.done", item },
+              { type: "response.completed", response: { usage: { input_tokens: 5, output_tokens: 1 } } },
+            ),
+          ),
+        ),
+      )
+
+      expect(response.events.filter((event) => event.type === "tool-call" || event.type === "tool-result")).toEqual([
+        {
+          type: "tool-call",
+          id: "computer_1",
+          name: "computer_use",
+          input: { type: "click", x: 100, y: 200 },
+          providerExecuted: true,
+          providerMetadata: { openai: { itemId: "computer_1" } },
+        },
+        {
+          type: "tool-result",
+          id: "computer_1",
+          name: "computer_use",
+          result: { type: "json", value: item },
+          providerExecuted: true,
+          providerMetadata: { openai: { itemId: "computer_1" } },
+        },
+      ])
+    }),
+  )
+
  it.effect("decodes image generation output as image content", () =>
    Effect.gen(function* () {
      const item = {
@@ -2765,7 +3148,7 @@ describe("OpenAI Responses route", () => {
            {
              type: "input_file",
              filename: "report.pdf",
-              file_data: "JVBERi0xLjQ=",
+              file_data: "data:application/pdf;base64,JVBERi0xLjQ=",
            },
          ],
        },
@@ -2796,7 +3179,7 @@ describe("OpenAI Responses route", () => {
            {
              type: "input_file",
              filename: "report.pdf",
-              file_data: "JVBERi0xLjQ=",
+              file_data: "data:application/pdf;base64,JVBERi0xLjQ=",
            },
          ],
        },
@@ -2821,7 +3204,7 @@ describe("OpenAI Responses route", () => {
            {
              type: "input_file",
              filename: "file",
-              file_data: "AAECAw==",
+              file_data: "data:application/x-tar;base64,AAECAw==",
            },
          ],
        },
@@ -3029,14 +3412,14 @@ describe("OpenAI Responses route", () => {
    }),
  )

-  it.effect("falls back to the raw payload when both error and response are absent", () =>
+  it.effect("classifies a detail-free error event as a transient provider failure", () =>
    Effect.gen(function* () {
      const error = yield* LLMClient.generate(request).pipe(
-        Effect.provide(fixedResponse(sseEvents({ type: "error" }))),
+        Effect.provide(fixedResponse(sseEvents({ type: "error", sequence_number: 2 }))),
        Effect.flip,
      )

-      expect(error.reason).toMatchObject({ _tag: "UnknownProvider" })
+      expect(error.reason).toMatchObject({ _tag: "ProviderInternal" })
      expect(error.reason.message).toContain('"type":"error"')
      expect(error.body).toBe(error.reason.message)
    }),
@@ -24,14 +24,23 @@ describe("xAI Responses route", () => {
    }),
  )

-  it.effect("parses xAI reasoning text events", () =>
+  it.effect("parses xAI reasoning summaries", () =>
    Effect.gen(function* () {
      const response = yield* LLMClient.generate(LLM.request({ model, prompt: "Think" })).pipe(
        Effect.provide(
          fixedResponse(
            sseEvents(
-              { type: "response.reasoning_text.delta", item_id: "reasoning_1", delta: "Considering." },
-              { type: "response.reasoning_text.done", item_id: "reasoning_1" },
+              {
+                type: "response.output_item.added",
+                item: { type: "reasoning", id: "reasoning_1" },
+              },
+              // Grok streams reasoning with the standard summary event name.
+              {
+                type: "response.reasoning_summary_text.delta",
+                item_id: "reasoning_1",
+                summary_index: 0,
+                delta: "Considering.",
+              },
              {
                type: "response.output_item.done",
                item: { type: "reasoning", id: "reasoning_1", encrypted_content: "opaque" },
@@ -191,7 +191,7 @@ describe("LLMClient tools", () => {
        success: Schema.String,
        execute: () => Effect.succeed("hello"),
      })
-      const providerMetadata = { google: { functionCallId: "provider_call" } }
+      const providerMetadata = { google: { thoughtSignature: "provider_sig" } }
      const dispatched = yield* ToolRuntime.dispatch(
        { tool },
        LLMEvent.toolCall({ id: "call_1", name: "tool", input: {}, providerMetadata }),
@@ -50,32 +50,7 @@ describe("tool schema projections", () => {
    })
  })

-  test("openai keeps one flat object top-level schema", () => {
-    expect(
-      ToolSchemaProjection.openAI({
-        anyOf: [
-          {
-            type: "object",
-            properties: {
-              path: { type: "string" },
-              maybe: { anyOf: [{ type: "string" }, { type: "null" }] },
-            },
-          },
-          { type: "object", properties: { resource: { type: "string" } } },
-        ],
-      }),
-    ).toEqual({
-      type: "object",
-      properties: {
-        path: { type: "string" },
-        maybe: { type: "string" },
-        resource: { type: "string" },
-      },
-      additionalProperties: false,
-    })
-  })
-
-  it.effect("applies model compatibility before protocol projection", () =>
+  it.effect("applies model compatibility without changing schema semantics", () =>
    Effect.gen(function* () {
      const model = OpenAIChat.route
        .with({ endpoint: { baseURL: "https://api.openai.test/v1/" }, auth: Auth.bearer("test") })
@@ -107,11 +82,15 @@ describe("tool schema projections", () => {

      expect(prepared.body.tools?.[0]?.function.parameters).toEqual({
        type: "object",
-        properties: {
-          tuple: { type: "array", items: { anyOf: [{ type: "string" }, { type: "number" }] } },
-          linked: { $ref: "#/$defs/Linked" },
-        },
-        additionalProperties: false,
+        anyOf: [
+          {
+            type: "object",
+            properties: {
+              tuple: { type: "array", items: { anyOf: [{ type: "string" }, { type: "number" }] } },
+              linked: { $ref: "#/$defs/Linked" },
+            },
+          },
+        ],
      })
    }),
  )
@@ -899,8 +899,26 @@ function provider() {
        name: "OpenCode",
        models: { "claude-opus-4-6": { id: "claude-opus-4-6", name: "Claude Opus 4.6", limit: { context: 200_000 } } },
      },
+      {
+        id: "company-gateway",
+        name: "Company Gateway",
+        models: {
+          "fast-nano": {
+            id: "fast-nano",
+            api: { id: "openai/gpt-5.4-nano" },
+            name: "GPT-5.4 nano",
+            limit: { context: 128_000 },
+          },
+          "long-context": {
+            id: "long-context",
+            api: { id: "company/long-context" },
+            name: "Company Gateway Extra Long Context Model for Narrow Timeline Layouts",
+            limit: { context: 128_000 },
+          },
+        },
+      },
    ],
-    connected: ["opencode"],
+    connected: ["opencode", "company-gateway"],
    default: { providerID: "opencode", modelID: "claude-opus-4-6" },
  }
 }
@@ -0,0 +1,106 @@
+import { expect, test } from "@playwright/test"
+import { fixture, pageMessages } from "../smoke/session-timeline.fixture"
+import { mockOpenCodeServer } from "../utils/mock-server"
+
+test("renames, exports, and deletes a home session from its context menu", async ({ page }) => {
+  const sessions = fixture.sessions.map((session) => ({ ...session }))
+  await mockOpenCodeServer(page, {
+    sessions,
+    provider: fixture.provider,
+    directory: fixture.directory,
+    project: fixture.project,
+    pageMessages,
+  })
+  await page.route("**/api/session/*/rename", async (route) => {
+    const sessionID = new URL(route.request().url()).pathname.split("/").at(-2)
+    const session = sessions.find((item) => item.id === sessionID)
+    const payload: unknown = route.request().postDataJSON()
+    if (!payload || typeof payload !== "object" || !("title" in payload) || typeof payload.title !== "string")
+      throw new Error("Invalid rename payload")
+    if (session) session.title = payload.title
+    await route.fulfill({ status: 204, headers: { "access-control-allow-origin": "*" } })
+  })
+  await page.addInitScript((directory) => {
+    localStorage.setItem(
+      "opencode.global.dat:server",
+      JSON.stringify({
+        projects: { local: [{ worktree: directory, expanded: true }] },
+        lastProject: { local: directory },
+      }),
+    )
+  }, fixture.directory)
+
+  await page.goto("/")
+  const row = page.locator('[data-component="home-session-row"]').filter({ hasText: fixture.expected.targetTitle })
+  await expect(row).toBeVisible()
+  const container = page.locator(`[data-component="home-session-row-container"][data-session-id="${fixture.targetID}"]`)
+  const titleBox = await container.locator('[data-component="home-session-title"]').boundingBox()
+  const avatarBox = await container.locator('[data-component="project-avatar-v2"]').boundingBox()
+  await expect(container.getByRole("button", { name: "More options" })).toHaveCount(0)
+
+  await row.focus()
+  await row.press("Shift+F10")
+  await expect(page.getByRole("menuitem", { name: "Rename" })).toBeVisible()
+  await page.keyboard.press("Escape")
+  await expect(page.getByRole("menuitem", { name: "Rename" })).toBeHidden()
+  await expect(row).toBeFocused()
+
+  const rowBox = await row.boundingBox()
+  await row.click({ button: "right", position: { x: 48, y: 12 } })
+  await expect(page).toHaveURL("/")
+  await expect(page.getByRole("menuitem", { name: "Rename" })).toBeVisible()
+  await expect(page.getByRole("menuitem", { name: "Export..." })).toBeVisible()
+  await expect(page.getByRole("menuitem", { name: "Delete..." })).toBeVisible()
+  const menuBox = await page.locator('[data-component="menu-v2-content"]').boundingBox()
+  expect(Math.abs((menuBox?.x ?? 0) - (rowBox?.x ?? 0) - 48)).toBeLessThan(4)
+
+  await page.getByRole("menuitem", { name: "Rename" }).click()
+  const title = page.locator('[data-component="home-session-rename"]')
+  await expect(title).toBeFocused()
+  await expect(title).toHaveValue(fixture.expected.targetTitle)
+  const editorBox = await title.boundingBox()
+  const editingAvatarBox = await container.locator('[data-component="project-avatar-v2"]').boundingBox()
+  expect(editorBox?.x).toBe(titleBox?.x)
+  expect(editingAvatarBox).toEqual(avatarBox)
+  expect(
+    await title.evaluate((element) => ({
+      outline: getComputedStyle(element).outlineStyle,
+      shadow: getComputedStyle(element).boxShadow,
+    })),
+  ).toEqual({ outline: "none", shadow: "none" })
+  expect(await container.evaluate((element) => getComputedStyle(element).outlineStyle)).toBe("none")
+  await title.fill("Renamed from Home")
+  const renamed = page.waitForRequest(
+    (request) => request.method() === "POST" && new URL(request.url()).pathname.endsWith("/rename"),
+  )
+  await title.press("Enter")
+  expect((await renamed).postDataJSON()).toEqual({ title: "Renamed from Home" })
+  let renamedRow = page.locator('[data-component="home-session-row"]').filter({ hasText: "Renamed from Home" })
+  await expect(renamedRow).toBeVisible()
+
+  await renamedRow.click()
+  await expect(page).toHaveURL(new RegExp(`/session/${fixture.targetID}$`))
+  await expect(page.locator('[data-slot="titlebar-tabs"] a').filter({ hasText: "Renamed from Home" })).toBeVisible()
+  await page.getByRole("button", { name: "Home" }).click()
+  await expect(page).toHaveURL("/")
+  renamedRow = page.locator('[data-component="home-session-row"]').filter({ hasText: "Renamed from Home" })
+  await expect(renamedRow).toBeVisible()
+
+  await renamedRow.click({ button: "right" })
+  const download = page.waitForEvent("download")
+  const exportItem = page.getByRole("menuitem", { name: "Export..." })
+  await exportItem.click()
+  expect((await download).suggestedFilename()).toBe("renamed-from-home.json")
+  await expect(exportItem).toBeHidden()
+
+  await renamedRow.click({ button: "right" })
+  await page.getByRole("menuitem", { name: "Delete..." }).click()
+  const dialog = page.getByRole("dialog")
+  await expect(dialog).toContainText('Delete session "Renamed from Home"?')
+  const removed = page.waitForRequest(
+    (request) => request.method() === "DELETE" && new URL(request.url()).pathname.endsWith(`/${fixture.targetID}`),
+  )
+  await dialog.getByRole("button", { name: "Delete session" }).click()
+  await removed
+  await expect(renamedRow).toBeHidden()
+})
@@ -179,6 +179,7 @@ async function expectMountedTree(page: Page, total: number) {
 }

 async function expectSideGeometry(page: Page) {
+  await expectPanelGap(page, 8)
  const geometry = await page.evaluate(() => {
    const review = document.querySelector<HTMLElement>("#review-panel")!.getBoundingClientRect()
    const terminal = document.querySelector<HTMLElement>("#terminal-panel")!.getBoundingClientRect()
@@ -188,15 +189,20 @@ async function expectSideGeometry(page: Page) {
      terminalLeft: terminal.left,
      terminalRight: terminal.right,
      terminalTop: terminal.top,
+      terminalBottom: terminal.bottom,
      reviewTop: review.top,
+      reviewBottom: review.bottom,
    }
  })
  expect(Math.abs(geometry.terminalLeft - geometry.reviewLeft)).toBeLessThanOrEqual(1)
  expect(Math.abs(geometry.terminalRight - geometry.reviewRight)).toBeLessThanOrEqual(1)
  expect(geometry.terminalTop).toBeGreaterThan(geometry.reviewTop)
+  expect(geometry.terminalTop - geometry.reviewBottom).toBeGreaterThanOrEqual(7)
+  expect(geometry.terminalTop - geometry.reviewBottom).toBeLessThanOrEqual(9)
 }

 async function expectBottomGeometry(page: Page) {
+  await expectPanelGap(page, 8)
  const geometry = await page.evaluate(() => {
    const review = document.querySelector<HTMLElement>("#review-panel")!
    const terminal = document.querySelector<HTMLElement>("#terminal-panel")!
@@ -226,6 +232,30 @@ async function expectBottomGeometry(page: Page) {
  expect(geometry.sidebar).toBeGreaterThanOrEqual(240)
 }

+async function expectPanelGap(page: Page, expected: number) {
+  await expect
+    .poll(() => {
+      return page.evaluate(() => {
+        const review = document.querySelector<HTMLElement>("#review-panel")?.getBoundingClientRect()
+        const terminal = document.querySelector<HTMLElement>("#terminal-panel")?.getBoundingClientRect()
+        if (!review || !terminal) return Number.NEGATIVE_INFINITY
+        const gap = terminal.top - review.bottom
+        return gap
+      })
+    })
+    .toBeGreaterThanOrEqual(expected - 1)
+  await expect
+    .poll(() => {
+      return page.evaluate(() => {
+        const review = document.querySelector<HTMLElement>("#review-panel")?.getBoundingClientRect()
+        const terminal = document.querySelector<HTMLElement>("#terminal-panel")?.getBoundingClientRect()
+        if (!review || !terminal) return Number.POSITIVE_INFINITY
+        return terminal.top - review.bottom
+      })
+    })
+    .toBeLessThanOrEqual(expected + 1)
+}
+
 function base64Encode(value: string) {
  return Buffer.from(value, "utf8").toString("base64").replace(/\+/g, "-").replace(/\//g, "_").replace(/=/g, "")
 }
@@ -250,6 +250,43 @@ test.describe("session timeline projection", () => {
    expect(rows).toEqual(["AssistantPart", "TurnDivider", "AssistantPart"])
  })

+  test("renders aliased and long custom model notices", async ({ page }) => {
+    const shortName = "GPT-5.4 nano"
+    const longName = "Company Gateway Extra Long Context Model for Narrow Timeline Layouts"
+    await setupTimeline(page, {
+      viewport: { width: 420, height: 700 },
+      sessionMessages: [
+        {
+          id: "msg_model_fast_nano",
+          type: "model-switched",
+          time: { created: 1700000000000 },
+          model: { providerID: "company-gateway", id: "fast-nano", variant: "xhigh" },
+        },
+        {
+          id: "msg_model_long_context",
+          type: "model-switched",
+          time: { created: 1700000001000 },
+          model: { providerID: "company-gateway", id: "long-context" },
+        },
+        userMessage(),
+        assistantMessage(),
+      ],
+    })
+
+    const shortNotice = page.locator('[data-slot="session-timeline-notice"]').filter({ hasText: shortName })
+    const longNotice = page.locator('[data-slot="session-timeline-notice"]').filter({ hasText: longName })
+    await expect(shortNotice).toBeVisible()
+    await expect(shortNotice.getByText(`Switched to ${shortName}`, { exact: true })).toBeVisible()
+    await expect(shortNotice.locator('[data-slot="session-timeline-notice-variant"]')).toHaveText("xhigh")
+    await expect(page.getByText("fast-nano", { exact: true })).toHaveCount(0)
+    await expect(shortNotice.locator('[data-component="provider-icon"]')).toBeVisible()
+    await expect(longNotice).toBeVisible()
+    await expect(longNotice.locator('[data-component="provider-icon"]')).toBeVisible()
+    await expect(longNotice.locator('[data-slot="session-timeline-notice-variant"]')).toHaveCount(0)
+    await expect(longNotice.locator("[title]")).toHaveAttribute("title", `Switched to ${longName}`)
+    await expect.poll(() => longNotice.evaluate((element) => element.scrollWidth <= element.clientWidth)).toBe(true)
+  })
+
  test("renders user image, file attachment, file reference, and agent reference", async ({ page }) => {
    const text = "Use @explore with @src/a.ts and inspect the attachments"
    const parts: PartSeed<"user">[] = [
@@ -243,7 +243,8 @@ test("focuses a terminal created from the new-terminal button", async ({ page })

  await page.getByRole("button", { name: "New terminal" }).click()
  await expect(page.getByRole("tab", { name: "Terminal 2" })).toHaveAttribute("aria-selected", "true")
-  await expect.poll(() => terminal.evaluate((element) => element.contains(document.activeElement))).toBe(true)
+  const active = page.locator(`#terminal-wrapper-${newPtyID} [data-component="terminal"]`)
+  await expect.poll(() => active.evaluate((element) => element.contains(document.activeElement))).toBe(true)
 })

 function seedCachedTerminal(page: Page) {
@@ -1,4 +1,4 @@
-import { expect, test } from "@playwright/test"
+import { expect, test, type Page } from "@playwright/test"
 import { mockOpenCodeServer } from "../utils/mock-server"
 import { expectSessionTitle } from "../utils/waits"

@@ -8,7 +8,7 @@ const sessionID = "ses_hidden_terminal_regression"
 const title = "Hidden terminal regression"
 const server = `http://${process.env.PLAYWRIGHT_SERVER_HOST ?? "127.0.0.1"}:${process.env.PLAYWRIGHT_SERVER_PORT ?? "4096"}`

-test("unmounts the terminal panel while it is hidden", async ({ page }) => {
+test("animates review and terminal panels while caching hidden terminal content", async ({ page }) => {
  await page.setViewportSize({ width: 1400, height: 900 })
  await mockOpenCodeServer(page, {
    directory,
@@ -42,6 +42,16 @@ test("unmounts the terminal panel while it is hidden", async ({ page }) => {
        time: { created: 1700000000000, updated: 1700000000000 },
      },
    ],
+    vcsDiff: [
+      {
+        file: "src/animation.ts",
+        additions: 1,
+        deletions: 1,
+        status: "modified",
+        patch:
+          "diff --git a/src/animation.ts b/src/animation.ts\n--- a/src/animation.ts\n+++ b/src/animation.ts\n@@ -1 +1 @@\n-export const value = 'before'\n+export const value = 'after'\n",
+      },
+    ],
    pageMessages: () => ({ items: [] }),
  })
  await page.route("**/api/pty*", (route) =>
@@ -94,24 +104,454 @@ test("unmounts the terminal panel while it is hidden", async ({ page }) => {

  await page.goto(`/server/${base64Encode(server)}/session/${sessionID}`)
  await expectSessionTitle(page, title)
+  await installMotionProbe(page)
+
+  const reviewToggle = page.getByRole("button", { name: "Toggle review" })
+  await reviewToggle.click()
+  await expect(page.locator("#review-panel")).toBeVisible()
+  await expectWidthMotions(page, 1)
+  await expectReviewWidthStable(page)
+  await expectLogicalSideAlignment(page, "ltr")
+  await page.evaluate(() => (document.documentElement.dir = "rtl"))
+  await expectLogicalSideAlignment(page, "rtl")
+  await page.evaluate(() => (document.documentElement.dir = "ltr"))

-  await page.keyboard.press("Control+Backquote")
  const panel = page.locator("#terminal-panel")
+  const terminalContent = page.locator('[data-component="terminal"]')
+  await page.keyboard.press("Control+Backquote")
+  await expect(panel).toBeVisible()
+  await expect(terminalContent).toBeVisible()
+  await terminalContent.evaluate((element) => element.setAttribute("data-cache-probe", "original"))
+  await expectHeightMotions(page, "session-side-region", 1)
+  await expectHeightMotions(page, "session-side-terminal-region", 1)
+  await expectStackedGeometry(page)
+  await expectPanelGapHeld(page)
+
+  await resetTerminalTopMotion(page)
+  await resetTerminalBottomMotion(page)
+  await resetTerminalAnchorGaps(page)
+  await resetPanelGaps(page)
+  const reviewContent = page.locator('[data-component="session-review-v2"]')
+  await reviewContent.evaluate((element) => element.setAttribute("data-cache-probe", "original"))
+  await reviewToggle.click()
+  await expect(page.locator("#review-panel")).toBeHidden()
+  await expect(reviewContent).toHaveAttribute("data-cache-probe", "original")
+  await expect(panel).toBeVisible()
+  await expectHeightMotions(page, "session-side-region", 2)
+  await expectHeightMotions(page, "session-side-terminal-region", 2)
+  await expectTerminalTopMotion(page)
+  await expectTerminalBottomFixed(page)
+  await expectTerminalTopAnchored(page)
+  await expectPanelGapHeld(page)
+  await reviewToggle.click()
+  await expect(page.locator("#review-panel")).toBeVisible()
+  await expect(reviewContent).toHaveAttribute("data-cache-probe", "original")
+  await expectHeightMotions(page, "session-side-region", 3)
+  await expectHeightMotions(page, "session-side-terminal-region", 3)
+
+  await resetTerminalContentSizes(page)
+  await resetPanelGaps(page)
+  await page.keyboard.press("Control+Backquote")
+  await expect(page.locator('[data-slot="side-terminal-panel-clip"]')).toHaveCSS("overflow", "clip")
+  await expectHeightMotions(page, "session-side-region", 4)
+  await expectHeightMotions(page, "session-side-terminal-region", 4)
+  await expect(panel).toBeHidden()
+  await expect(terminalContent).toHaveAttribute("data-cache-probe", "original")
+  await expectTerminalContentCachedSize(page)
+  await expectStackPainted(page)
+  await expectPanelGapHeld(page)
+  await expect(page.locator('[data-slot="session-side-panel-gap"]')).toHaveCSS("height", "0px")
+
+  await reviewToggle.click()
+  await expect(page.locator("#review-panel")).toHaveCount(0)
+  await expectWidthMotions(page, 2)
+  await expectSideSlideSettled(page, 2)
+  await expectHiddenSideAligned(page)
+
+  await resetHeightMotions(page)
+  await resetHorizontalScrolls(page)
+  await page.keyboard.press("Control+Backquote")
  await expect(panel).toHaveAttribute("aria-hidden", "false")
  await expect(page.locator('[data-component="terminal"]')).toBeVisible()
+  await expectWidthMotions(page, 3)
+  await expectSideSlideSettled(page, 3)
+  await expectNoHeightMotion(page)
+  await expectNoHorizontalScroll(page)

  await page.keyboard.press("Control+Backquote")
-  await expect(panel).toHaveCount(0)
-  await expect(page.locator('[data-component="terminal"]')).toHaveCount(0)
+  await expect(panel).toBeHidden()
+  await expect(terminalContent).toHaveAttribute("data-cache-probe", "original")
+  await expectWidthMotions(page, 4)

  await page.setViewportSize({ width: 1200, height: 700 })
-  await expect(page.locator('[data-component="terminal"]')).toHaveCount(0)
+  await expect(terminalContent).toHaveAttribute("data-cache-probe", "original")

  await page.keyboard.press("Control+Backquote")
  await expect(panel).toBeVisible()
-  await expect(page.locator('[data-component="terminal"]')).toBeVisible()
+  await expect(terminalContent).toBeVisible()
+  await expect(terminalContent).toHaveAttribute("data-cache-probe", "original")
+  await expectWidthMotions(page, 5)
+
+  await page.keyboard.press("Control+Backquote")
+  await expect(panel).toBeHidden()
+
+  await page.evaluate(() => {
+    const settings = JSON.parse(localStorage.getItem("settings.v3") ?? "{}")
+    localStorage.setItem(
+      "settings.v3",
+      JSON.stringify({ ...settings, general: { ...settings.general, terminalPlacement: "bottom" } }),
+    )
+  })
+  await page.reload()
+  await expectSessionTitle(page, title)
+  await installMotionProbe(page)
+
+  await page.keyboard.press("Control+Backquote")
+  await expect(panel).toBeVisible()
+  await expectAnimation(page, "terminal-panel-size-in")
+  await page.keyboard.press("Control+Backquote")
+  await expectAnimation(page, "terminal-panel-size-out")
+  await expect(panel).toBeHidden()
+  await expect(page.locator('[data-component="terminal"]')).toBeAttached()
 })

+type MotionProbe = {
+  widths: number
+  widthEnds: number
+  horizontalScrolls: number[]
+  reviewWidths: number[]
+  paintGaps: { review: number; terminalSurface: number }[]
+  terminalContentSizes: { width: number; height: number }[]
+  terminalAnchorGaps: number[]
+  resetAnchorOnMotion: boolean
+  panelGaps: number[]
+  terminalTops: number[]
+  terminalBottoms: number[]
+  heights: string[]
+  animations: string[]
+}
+
+async function installMotionProbe(page: Page) {
+  await page.evaluate(() => {
+    const probe: MotionProbe = {
+      widths: 0,
+      widthEnds: 0,
+      horizontalScrolls: [],
+      reviewWidths: [],
+      paintGaps: [],
+      terminalContentSizes: [],
+      terminalAnchorGaps: [],
+      resetAnchorOnMotion: false,
+      panelGaps: [],
+      terminalTops: [],
+      terminalBottoms: [],
+      heights: [],
+      animations: [],
+    }
+    const observed = new WeakSet<Element>()
+    const observers: ResizeObserver[] = []
+    const observeReview = () => {
+      const review = document.querySelector('[data-component="session-review-v2"]')
+      if (!review || observed.has(review)) return
+      observed.add(review)
+      const observer = new ResizeObserver(([entry]) => probe.reviewWidths.push(entry.contentRect.width))
+      observer.observe(review)
+      observers.push(observer)
+    }
+    const observedRegions = new WeakSet<Element>()
+    const observeStack = () => {
+      const reviewRegion = document.querySelector<HTMLElement>('[data-slot="session-side-region"]')
+      const terminalRegion = document.querySelector<HTMLElement>('[data-slot="session-side-terminal-region"]')
+      if (!reviewRegion || !terminalRegion || observedRegions.has(reviewRegion)) return
+      observedRegions.add(reviewRegion)
+      const observer = new ResizeObserver(() => {
+        const review = document.querySelector<HTMLElement>("#review-panel")
+        const terminal = document.querySelector<HTMLElement>("#terminal-panel")
+        const terminalContent = document.querySelector<HTMLElement>('[data-slot="terminal-panel-content"]')
+        const panelGap = document.querySelector<HTMLElement>('[data-slot="session-side-panel-gap"]')
+        if (!terminal || !terminalContent) return
+        probe.terminalTops.push(terminal.getBoundingClientRect().top)
+        probe.terminalBottoms.push(terminal.getBoundingClientRect().bottom)
+        probe.terminalContentSizes.push({
+          width: terminalContent.getBoundingClientRect().width,
+          height: terminalContent.getBoundingClientRect().height,
+        })
+        const anchorGap = Math.abs(terminal.getBoundingClientRect().top - terminalContent.getBoundingClientRect().top)
+        if (probe.resetAnchorOnMotion) {
+          if (anchorGap > 8) return
+          probe.terminalAnchorGaps = []
+          probe.resetAnchorOnMotion = false
+        }
+        probe.terminalAnchorGaps.push(anchorGap)
+        if (panelGap && terminalRegion.getBoundingClientRect().height > 1)
+          probe.panelGaps.push(panelGap.getBoundingClientRect().height)
+        if (!review) return
+        probe.paintGaps.push({
+          review: Math.abs(reviewRegion.getBoundingClientRect().height - review.getBoundingClientRect().height),
+          terminalSurface: Math.abs(
+            terminalRegion.getBoundingClientRect().height - terminal.getBoundingClientRect().height,
+          ),
+        })
+      })
+      observer.observe(reviewRegion)
+      observer.observe(terminalRegion)
+      observers.push(observer)
+    }
+    new MutationObserver(() => {
+      observeReview()
+      observeStack()
+    }).observe(document.body, { childList: true, subtree: true })
+    observeReview()
+    observeStack()
+    document.addEventListener("transitionrun", (event) => {
+      if (!(event.target instanceof Element)) return
+      const slot = event.target.getAttribute("data-slot")
+      if (event.propertyName === "width" && slot === "session-chat-panel") probe.widths++
+      if (event.propertyName === "height" && slot) {
+        probe.heights.push(slot)
+      }
+    })
+    document.addEventListener("transitionend", (event) => {
+      if (!(event.target instanceof Element)) return
+      if (event.propertyName === "width" && event.target.getAttribute("data-slot") === "session-chat-panel")
+        probe.widthEnds++
+    })
+    document.addEventListener("animationstart", (event) => {
+      if (!(event.target instanceof Element) || event.target.getAttribute("data-component") !== "terminal-panel") return
+      probe.animations.push(event.animationName)
+    })
+    window.addEventListener("scroll", () => probe.horizontalScrolls.push(window.scrollX))
+    ;(window as Window & { __panelMotion?: MotionProbe }).__panelMotion = probe
+  })
+}
+
+async function expectWidthMotions(page: Page, count: number) {
+  await expect
+    .poll(() => page.evaluate(() => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.widths ?? 0))
+    .toBeGreaterThanOrEqual(count)
+}
+
+async function resetHeightMotions(page: Page) {
+  await page.evaluate(() => {
+    const probe = (window as Window & { __panelMotion?: MotionProbe }).__panelMotion
+    if (probe) probe.heights = []
+  })
+}
+
+async function expectSideSlideSettled(page: Page, count: number) {
+  await expect
+    .poll(() => page.evaluate(() => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.widthEnds ?? 0))
+    .toBeGreaterThanOrEqual(count)
+}
+
+async function expectNoHeightMotion(page: Page) {
+  const heights = await page.evaluate(
+    () => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.heights ?? [],
+  )
+  expect(heights).toEqual([])
+}
+
+async function expectHiddenSideAligned(page: Page) {
+  await expect
+    .poll(() =>
+      page.evaluate(() => {
+        const chat = document.querySelector<HTMLElement>('[data-slot="session-chat-panel"]')
+        const side = document.querySelector<HTMLElement>('[data-slot="session-side-panel-presence"]')
+        if (!chat?.parentElement || !side) return Number.POSITIVE_INFINITY
+        const row = chat.parentElement.getBoundingClientRect()
+        const hidden = side.getBoundingClientRect()
+        return Math.max(
+          Math.abs(row.top - hidden.top),
+          Math.abs(row.right - hidden.right),
+          Math.abs(row.bottom - hidden.bottom),
+        )
+      }),
+    )
+    .toBeLessThanOrEqual(1)
+}
+
+async function resetHorizontalScrolls(page: Page) {
+  await page.evaluate(() => {
+    const probe = (window as Window & { __panelMotion?: MotionProbe }).__panelMotion
+    if (probe) probe.horizontalScrolls = []
+  })
+}
+
+async function expectNoHorizontalScroll(page: Page) {
+  const scrolls = await page.evaluate(
+    () => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.horizontalScrolls ?? [],
+  )
+  expect(Math.max(0, ...scrolls)).toBe(0)
+  expect(await page.evaluate(() => window.scrollX)).toBe(0)
+}
+
+async function expectReviewWidthStable(page: Page) {
+  const side = page.locator('[data-slot="session-side-panel-presence"]')
+  await expect
+    .poll(() => side.evaluate((element) => element.getAnimations().every((item) => item.playState === "finished")))
+    .toBe(true)
+  await expect
+    .poll(() =>
+      page.evaluate(() => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.reviewWidths.length ?? 0),
+    )
+    .toBeGreaterThan(0)
+  const widths = await page.evaluate(
+    () => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.reviewWidths.map(Math.round) ?? [],
+  )
+  expect(new Set(widths).size).toBe(1)
+}
+
+async function expectStackedGeometry(page: Page) {
+  await expect
+    .poll(() =>
+      page.evaluate(() => {
+        const review = document.querySelector<HTMLElement>("#review-panel")?.getBoundingClientRect()
+        const terminal = document.querySelector<HTMLElement>("#terminal-panel")?.getBoundingClientRect()
+        if (!review || !terminal) return Number.POSITIVE_INFINITY
+        return terminal.top - review.bottom
+      }),
+    )
+    .toBeLessThanOrEqual(9)
+  await expect
+    .poll(() =>
+      page.evaluate(() => {
+        const review = document.querySelector<HTMLElement>("#review-panel")?.getBoundingClientRect()
+        const terminal = document.querySelector<HTMLElement>("#terminal-panel")?.getBoundingClientRect()
+        if (!review || !terminal) return Number.NEGATIVE_INFINITY
+        return terminal.top - review.bottom
+      }),
+    )
+    .toBeGreaterThanOrEqual(7)
+}
+
+async function expectLogicalSideAlignment(page: Page, direction: "ltr" | "rtl") {
+  await expect
+    .poll(() =>
+      page.evaluate((direction) => {
+        const frame = document.querySelector('[data-slot="session-side-panel-presence"]')?.getBoundingClientRect()
+        const content = document.querySelector('[data-slot="session-side-panel-content"]')?.getBoundingClientRect()
+        if (!frame || !content) return Number.POSITIVE_INFINITY
+        return direction === "rtl" ? Math.abs(frame.right - content.right) : Math.abs(frame.left - content.left)
+      }, direction),
+    )
+    .toBeLessThanOrEqual(1)
+}
+
+async function expectStackPainted(page: Page) {
+  const gaps = await page.evaluate(
+    () => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.paintGaps ?? [],
+  )
+  expect(gaps.length).toBeGreaterThan(0)
+  expect(Math.max(...gaps.map((gap) => gap.review))).toBeLessThanOrEqual(1)
+  expect(Math.max(...gaps.map((gap) => gap.terminalSurface)), JSON.stringify(gaps)).toBeLessThanOrEqual(1)
+}
+
+async function resetTerminalTopMotion(page: Page) {
+  await page.evaluate(() => {
+    const probe = (window as Window & { __panelMotion?: MotionProbe }).__panelMotion
+    if (probe) probe.terminalTops = []
+  })
+}
+
+async function resetTerminalBottomMotion(page: Page) {
+  await page.evaluate(() => {
+    const probe = (window as Window & { __panelMotion?: MotionProbe }).__panelMotion
+    if (probe) probe.terminalBottoms = []
+  })
+}
+
+async function expectTerminalBottomFixed(page: Page) {
+  const bottoms = await page.evaluate(
+    () => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.terminalBottoms ?? [],
+  )
+  expect(bottoms.length).toBeGreaterThan(0)
+  expect(Math.max(...bottoms) - Math.min(...bottoms)).toBeLessThanOrEqual(1)
+}
+
+async function resetTerminalAnchorGaps(page: Page) {
+  await page.evaluate(() => {
+    const probe = (window as Window & { __panelMotion?: MotionProbe }).__panelMotion
+    if (probe) probe.resetAnchorOnMotion = true
+  })
+}
+
+async function resetPanelGaps(page: Page) {
+  await page.evaluate(() => {
+    const probe = (window as Window & { __panelMotion?: MotionProbe }).__panelMotion
+    if (probe) probe.panelGaps = []
+  })
+}
+
+async function expectPanelGapHeld(page: Page) {
+  const gaps = await page.evaluate(
+    () => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.panelGaps ?? [],
+  )
+  expect(gaps.length).toBeGreaterThan(0)
+  expect(gaps.filter((gap) => gap >= 7 && gap <= 9).length / gaps.length).toBeGreaterThan(0.6)
+  expect(Math.min(...gaps)).toBeGreaterThanOrEqual(0)
+  expect(Math.max(...gaps)).toBeLessThanOrEqual(9)
+}
+
+async function expectTerminalTopAnchored(page: Page) {
+  const gaps = await page.evaluate(
+    () => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.terminalAnchorGaps ?? [],
+  )
+  expect(gaps.length).toBeGreaterThan(0)
+  expect(Math.max(...gaps), JSON.stringify(gaps)).toBeLessThanOrEqual(8)
+}
+
+async function resetTerminalContentSizes(page: Page) {
+  await page.evaluate(() => {
+    const probe = (window as Window & { __panelMotion?: MotionProbe }).__panelMotion
+    if (probe) probe.terminalContentSizes = []
+  })
+}
+
+async function expectTerminalContentCachedSize(page: Page) {
+  const sizes = await page.evaluate(
+    () => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.terminalContentSizes ?? [],
+  )
+  expect(sizes.length).toBeGreaterThan(0)
+  expect(Math.min(...sizes.map((size) => size.width))).toBeGreaterThan(100)
+  expect(Math.min(...sizes.map((size) => size.height))).toBeGreaterThan(100)
+}
+
+async function expectTerminalTopMotion(page: Page) {
+  const tops = await page.evaluate(
+    () => (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.terminalTops.map(Math.round) ?? [],
+  )
+  const unique = [...new Set(tops)]
+  const range = Math.max(...unique) - Math.min(...unique)
+  const maxDelta = Math.max(...unique.slice(1).map((value, index) => Math.abs(value - unique[index])))
+  expect(unique.length, JSON.stringify(unique)).toBeGreaterThan(6)
+  expect(maxDelta, JSON.stringify({ unique, range, maxDelta })).toBeLessThan(range * 0.3)
+}
+
+async function expectHeightMotions(page: Page, slot: string, count: number) {
+  await expect
+    .poll(() =>
+      page.evaluate(
+        (slot) =>
+          (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.heights.filter((value) => value === slot)
+            .length ?? 0,
+        slot,
+      ),
+    )
+    .toBeGreaterThanOrEqual(count)
+}
+
+async function expectAnimation(page: Page, name: string) {
+  await expect
+    .poll(() =>
+      page.evaluate(
+        (name) =>
+          (window as Window & { __panelMotion?: MotionProbe }).__panelMotion?.animations.includes(name) ?? false,
+        name,
+      ),
+    )
+    .toBe(true)
+}
+
 function base64Encode(value: string) {
  return Buffer.from(value, "utf8").toString("base64").replace(/\+/g, "-").replace(/\//g, "_").replace(/=/g, "")
 }
@@ -501,7 +501,7 @@ function currentModels(value: unknown) {
        return [
          {
            id: model.id,
-            modelID: model.id,
+            modelID: record(model.api) && typeof model.api.id === "string" ? model.api.id : model.id,
            providerID: provider.id,
            name: model.name,
            capabilities: { tools: true, input: ["text"], output: ["text"] },
@@ -52,12 +52,12 @@
    "vite-plugin-solid": "2.11.14"
  },
  "dependencies": {
-    "@ibm/plex": "6.4.1",
    "@corvu/drawer": "catalog:",
    "@dnd-kit/abstract": "0.5.0",
    "@dnd-kit/dom": "0.5.0",
    "@dnd-kit/helpers": "0.5.0",
    "@dnd-kit/solid": "0.5.0",
+    "@ibm/plex": "6.4.1",
    "@kobalte/core": "catalog:",
    "@opencode-ai/client": "workspace:*",
    "@opencode-ai/schema": "workspace:*",
@@ -69,6 +69,7 @@
    "@solid-primitives/event-bus": "1.1.2",
    "@solid-primitives/event-listener": "2.4.5",
    "@solid-primitives/i18n": "2.2.1",
+    "@solid-primitives/keyed": "1.5.3",
    "@solid-primitives/media": "2.3.3",
    "@solid-primitives/resize-observer": "2.1.5",
    "@solid-primitives/scheduled": "1.5.3",
@@ -105,14 +105,16 @@ export function AppInterface(props: {
  // providers beneath it.
  const Root = (rootProps: ParentProps) => (
    <TabsProvider>
-      <BodyTypography />
-      <CommandProvider>
-        <DesktopCommands />
-        <HighlightsProvider>
-          {props.children}
-          {rootProps.children}
-        </HighlightsProvider>
-      </CommandProvider>
+      <GlobalProvider>
+        <BodyTypography />
+        <CommandProvider>
+          <DesktopCommands />
+          <HighlightsProvider>
+            {props.children}
+            {rootProps.children}
+          </HighlightsProvider>
+        </CommandProvider>
+      </GlobalProvider>
    </TabsProvider>
  )

@@ -123,11 +125,9 @@ export function AppInterface(props: {
      servers={props.servers}
    >
      <SettingsProvider>
-        <GlobalProvider>
-          <Dynamic component={props.router ?? Router} root={Root}>
-            <AppRoutes />
-          </Dynamic>
-        </GlobalProvider>
+        <Dynamic component={props.router ?? Router} root={Root}>
+          <AppRoutes />
+        </Dynamic>
      </SettingsProvider>
    </ServersProvider>
  )
@@ -1,6 +1,6 @@
 import { useGlobal, useServerCtx } from "@/runtime/server/runtime"
 import { type HomeProjectSelection, useLayout } from "@/shell/state/layout"
-import { ServerConnection } from "@/runtime/server/registry"
+import { ServerConnection, useServers } from "@/runtime/server/registry"
 import { useTabs } from "@/shell/tabs/tabs"
 import { toggleHomeProjectSelection } from "@/shell/layout/helpers"
 import { createEffect, createMemo, startTransition } from "solid-js"
@@ -8,12 +8,11 @@ import { createEffect, createMemo, startTransition } from "solid-js"
 export function createHomeController() {
  const layout = useLayout()
  const global = useGlobal()
+  const servers = useServers()
  const tabs = useTabs()
  const selection = layout.home.selection
  const focusedServer = createMemo<ServerConnection.Any | undefined>(
-    () =>
-      global.servers.list().find((conn) => ServerConnection.key(conn) === selection().server) ??
-      global.servers.list()[0],
+    () => servers.visible.find((conn) => ServerConnection.key(conn) === selection().server) ?? servers.visible[0],
  )
  const focusedServerCtx = useServerCtx(focusedServer)
  const focusedSync = () => focusedServerCtx()?.sync
@@ -29,7 +28,7 @@ export function createHomeController() {
  )

  createEffect(() => {
-    const list = global.servers.list()
+    const list = servers.visible
    if (list.some((conn) => ServerConnection.key(conn) === selection().server)) return
    const conn = list[0]
    if (conn) setSelection({ server: ServerConnection.key(conn) })
@@ -54,7 +53,7 @@ export function createHomeController() {
        void startTransition(() => setSelection({ server: ServerConnection.key(conn) })),
    },
    server: {
-      list: global.servers.list,
+      list: () => servers.visible,
      health: (conn: ServerConnection.Any) => global.servers.health[ServerConnection.key(conn)],
      context: (conn: ServerConnection.Any) => global.ensureServerCtx(conn),
      focused: focusedServer,
@@ -61,6 +61,8 @@ export function createHomeProjectsController(home: HomeController) {
        serverManagement.defaults.set(conn ? ServerConnection.key(conn) : null),
      canRemove: (conn: ServerConnection.Any) => serverManagement.connection.canRemove(ServerConnection.key(conn)),
      remove: (conn: ServerConnection.Any) => serverManagement.connection.remove(ServerConnection.key(conn)),
+      canHide: (conn: ServerConnection.Any) => serverManagement.connection.canHide(ServerConnection.key(conn)),
+      hide: (conn: ServerConnection.Any) => serverManagement.connection.setHidden(ServerConnection.key(conn), true),
      edit: (conn: ServerConnection.Http) => {
        void import("@/servers/connect/dialog").then(({ DialogServer }) => {
          void dialog.show(() => <DialogServer mode="edit" server={conn} />)
@@ -26,6 +26,8 @@ export function HomeProjects(props: { projects: HomeProjectsController; scroll:
      onSetDefaultServer={props.projects.server.setDefault}
      canRemoveServer={props.projects.server.canRemove}
      onRemoveServer={props.projects.server.remove}
+      canHideServer={props.projects.server.canHide}
+      onHideServer={props.projects.server.hide}
      onMoveProject={props.projects.project.move}
      onSelectProject={props.projects.project.select}
      onAddProjects={props.projects.project.add}
@@ -49,6 +49,8 @@ export type HomeProjectsViewProps = {
  onSetDefaultServer: (server: ServerConnection.Any | undefined) => void
  canRemoveServer: (server: ServerConnection.Any) => boolean
  onRemoveServer: (server: ServerConnection.Any) => void
+  canHideServer: (server: ServerConnection.Any) => boolean
+  onHideServer: (server: ServerConnection.Any) => void
  onMoveProject: (server: ServerConnection.Any, worktree: string, index: number) => void
  onSelectProject: (server: ServerConnection.Any, directory: string) => void
  onAddProjects: (server: ServerConnection.Any, directories: string[]) => void
@@ -188,6 +190,8 @@ function HomeServerRow(props: {
  onSetDefaultServer: HomeProjectsViewProps["onSetDefaultServer"]
  canRemoveServer: HomeProjectsViewProps["canRemoveServer"]
  onRemoveServer: HomeProjectsViewProps["onRemoveServer"]
+  canHideServer: HomeProjectsViewProps["canHideServer"]
+  onHideServer: HomeProjectsViewProps["onHideServer"]
  onSetContextMenuOpen: HomeProjectsContextMenuProps["onSetContextMenuOpen"]
  onChooseProject: HomeProjectsViewProps["onChooseProject"]
  server: ServerConnection.Any
@@ -212,11 +216,11 @@ function HomeServerRow(props: {
      value={props.language.t("server.row.incompatible", { version: props.health?.version ?? "1" })}
    >
      <div class="group/server relative flex h-7 w-full min-w-0 items-center rounded-[6px]">
-      <HomeProjectNavButton
-        type="button"
-        class="pr-16"
-        classList={{ "opacity-60": !healthy() && !incompatible() }}
-        data-selected={props.selected ? "" : undefined}
+        <HomeProjectNavButton
+          type="button"
+          class="pr-16"
+          classList={{ "opacity-60": !healthy() && !incompatible() }}
+          data-selected={props.selected ? "" : undefined}
          disabled={!healthy()}
          onClick={() => props.onFocusServer(props.server)}
        >
@@ -284,10 +288,12 @@ function HomeServerRow(props: {
            canDefault={props.canDefaultServer}
            isDefault={props.defaultServerKey === ServerConnection.key(props.server)}
            canRemove={props.canRemoveServer(props.server)}
+            canHide={props.canHideServer(props.server)}
            onEdit={props.onEditServer}
            onSetDefault={() => props.onSetDefaultServer(props.server)}
            onRemoveDefault={() => props.onSetDefaultServer(undefined)}
            onRemove={() => props.onRemoveServer(props.server)}
+            onHide={() => props.onHideServer(props.server)}
            open={props.contextMenuOpen(contextMenuID())}
            onOpenChange={(open) => props.onSetContextMenuOpen(contextMenuID(), open)}
          />
@@ -1,8 +1,12 @@
 import type { SessionInfo } from "@opencode-ai/client/promise"
 import { useDialog } from "@opencode-ai/ui/context/dialog"
-import { skipToken, useQuery } from "@tanstack/solid-query"
+import { Button } from "@opencode-ai/ui/button"
+import { DialogFooter, DialogHeader, DialogTitleGroup, Dialog } from "@opencode-ai/ui/dialog"
+import { skipToken, useQuery, useQueryClient } from "@tanstack/solid-query"
 import { DateTime } from "luxon"
 import { type Accessor, createEffect, createMemo, type JSX, startTransition, untrack } from "solid-js"
+import { createStore } from "solid-js/store"
+import { notifySessionTabsRemoved } from "@/shell/titlebar/session-events"
 import { useCommand } from "@/shell/commands/command"
 import { loadHomeSessionIndex, mergeHomeSessionIndex, retainHomeSessions } from "@/home/sessions/index"
 import type { LocalProject } from "@/shell/state/layout"
@@ -11,7 +15,10 @@ import { ServerConnection } from "@/runtime/server/registry"
 import { sessionHasOpenTab, useTabs } from "@/shell/tabs/tabs"
 import { errorMessage } from "@/shell/layout/helpers"
 import { useSessionTabAvatarState } from "@/shell/layout/project-avatar-state"
+import { removedSessionIDs } from "@/session/session-domain"
 import { pathKey } from "@/workspaces/path-key"
+import { downloadSessionExport, fetchSessionExport, sessionExportFilename } from "@/session/commands/export"
+import { sessionLabel, sessionTitle } from "@/session/title"
 import { showToast } from "@/shell/notifications/toast"
 import { archiveHomeSession } from "./archive"
 import type { HomeController } from "../model"
@@ -35,6 +42,8 @@ export function createHomeSessionsController(home: HomeController) {
  const command = useCommand()
  const dialog = useDialog()
  const language = useLanguage()
+  const queryClient = useQueryClient()
+  const [removed, setRemoved] = createStore({ keys: [] as string[] })
  const projectDirectories = createMemo(() => {
    const selected = home.selection.value().directory
    if (!selected) return
@@ -59,9 +68,13 @@ export function createHomeSessionsController(home: HomeController) {
  })
  const indexedSessions = createMemo(() => {
    const ctx = home.server.focusedContext()
-    if (!ctx) return []
+    const conn = home.server.focused()
+    if (!ctx || !conn) return []
+    const server = ServerConnection.key(conn)
    return retainHomeSessions(
-      mergeHomeSessionIndex(sessionLoad.data?.() ?? [], ctx.data.session.list()),
+      mergeHomeSessionIndex(sessionLoad.data?.() ?? [], ctx.data.session.list()).filter(
+        (session) => !removed.keys.includes(`${server}\0${session.id}`),
+      ),
      HOME_SESSION_LIMIT,
      Date.now(),
    )
@@ -123,6 +136,119 @@ export function createHomeSessionsController(home: HomeController) {
    },
  ])

+  const rename = async (server: ServerConnection.Key, session: SessionInfo, title: string) => {
+    const conn = home.server.list().find((item) => ServerConnection.key(item) === server)
+    const ctx = conn ? home.server.context(conn) : undefined
+    if (!conn || !ctx) return false
+    const next = title.trim()
+    if (!next || next === sessionLabel(session)) return true
+    return ctx.sdk.api.session
+      .rename({ sessionID: session.id, title: next })
+      .then(() => {
+        ctx.data.session.remember({ ...(ctx.data.session.get(session.id) ?? session), title: next })
+        // Rename advances time.updated server-side; re-sync the canonical
+        // record so date grouping and ordering do not go stale.
+        ctx.data.session.invalidate(session.id)
+        void ctx.data.session.sync(session.id).catch(() => {})
+        queryClient.setQueryData<SessionInfo[]>(["home-sessions", conn], (current) =>
+          current?.map((item) => (item.id === session.id ? { ...item, title: next } : item)),
+        )
+        return true
+      })
+      .catch((cause) => {
+        showToast({
+          title: language.t("common.requestFailed"),
+          description: errorMessage(cause, language.t("common.requestFailed")),
+        })
+        return false
+      })
+  }
+
+  const exportSession = async (server: ServerConnection.Key, session: SessionInfo) => {
+    const conn = home.server.list().find((item) => ServerConnection.key(item) === server)
+    const ctx = conn ? home.server.context(conn) : undefined
+    if (!ctx) return
+    try {
+      const data = await fetchSessionExport({ sessionID: session.id, api: ctx.sdk.api })
+      const filename = sessionExportFilename(data.info)
+      downloadSessionExport(filename, data)
+      showToast({
+        variant: "success",
+        icon: "circle-check",
+        title: language.t("toast.session.export.success.title"),
+        description: language.t("toast.session.export.success.description", { filename }),
+      })
+    } catch (cause) {
+      showToast({
+        variant: "error",
+        title: language.t("toast.session.export.failed.title"),
+        description: cause instanceof Error ? cause.message : language.t("toast.session.export.failed.description"),
+      })
+    }
+  }
+
+  const remove = async (server: ServerConnection.Key, session: SessionInfo) => {
+    const conn = home.server.list().find((item) => ServerConnection.key(item) === server)
+    const ctx = conn ? home.server.context(conn) : undefined
+    if (!conn || !ctx) return false
+    const ids = [...removedSessionIDs(ctx.data.session.list(), session.id)]
+    await queryClient.cancelQueries({ queryKey: ["home-sessions", conn], exact: true })
+    return ctx.sdk.api.session
+      .remove({ sessionID: session.id })
+      .then(() => {
+        const removedIDs = new Set(ids)
+        setRemoved("keys", (current) => [...new Set([...current, ...ids.map((id) => `${server}\0${id}`)])])
+        queryClient.setQueryData<SessionInfo[]>(["home-sessions", conn], (current) =>
+          current?.filter((item) => !removedIDs.has(item.id)),
+        )
+        notifySessionTabsRemoved({
+          server: ServerConnection.key(conn),
+          directory: session.location.directory,
+          sessionIDs: ids,
+        })
+        return true
+      })
+      .catch((cause) => {
+        showToast({
+          title: language.t("session.delete.failed.title"),
+          description: errorMessage(cause, language.t("session.delete.failed.title")),
+        })
+        return false
+      })
+      .finally(() => {
+        // Always refetch: the pre-mutation cancel may have aborted an
+        // in-flight index fetch, and a failed delete must not leave the
+        // index unloaded either.
+        void queryClient.invalidateQueries({ queryKey: ["home-sessions", conn], exact: true })
+      })
+  }
+
+  function DeleteDialog(props: { server: ServerConnection.Key; session: SessionInfo }) {
+    const name = () => sessionTitle(props.session.title) ?? language.t("command.session.new")
+    const confirm = async () => {
+      await remove(props.server, props.session)
+      dialog.close()
+    }
+    return (
+      <Dialog fit>
+        <DialogHeader hideClose>
+          <DialogTitleGroup
+            title={language.t("session.delete.title")}
+            description={language.t("session.delete.confirm", { name: name() })}
+          />
+        </DialogHeader>
+        <DialogFooter>
+          <Button variant="ghost" onClick={() => dialog.close()}>
+            {language.t("common.cancel")}
+          </Button>
+          <Button variant="danger" onClick={confirm}>
+            {language.t("session.delete.button")}
+          </Button>
+        </DialogFooter>
+      </Dialog>
+    )
+  }
+
  return {
    copy: {
      language,
@@ -193,6 +319,10 @@ export function createHomeSessionsController(home: HomeController) {
            }),
        })
      },
+      rename,
+      export: exportSession,
+      showDelete: (server: ServerConnection.Key, session: SessionInfo) =>
+        dialog.show(() => <DeleteDialog server={server} session={session} />),
    },
    tab: {
      isOpen: (record: HomeSessionRecord) =>
@@ -27,6 +27,9 @@ export function HomeSessions(props: {
      onCreateSession={props.sessions.session.create}
      onOpenSession={props.sessions.session.open}
      onArchiveSession={props.sessions.session.archive}
+      onRenameSession={props.sessions.session.rename}
+      onExportSession={props.sessions.session.export}
+      onDeleteSession={props.sessions.session.showDelete}
      onSetHoverTarget={props.scroll.viewport.setHoverTarget}
      onSetThumbTrack={props.scroll.viewport.setThumbTrack}
      onSetContent={props.scroll.header.setContent}
@@ -1,10 +1,14 @@
 import type { SessionInfo } from "@opencode-ai/client/promise"
-import { createMemo, For, Show, Suspense } from "solid-js"
+import { Key } from "@solid-primitives/keyed"
+import { createMemo, For, Index, onCleanup, Show, Suspense } from "solid-js"
+import { createStore, type SetStoreFunction } from "solid-js/store"
+import { InlineInput } from "@opencode-ai/ui/inline-input"
 import { Spinner } from "@opencode-ai/ui/spinner"
 import { ScrollView } from "@opencode-ai/ui/scroll-view"
 import { Button } from "@opencode-ai/ui/button"
 import { Icon } from "@opencode-ai/ui/icon"
 import { IconButton } from "@opencode-ai/ui/icon-button"
+import { Menu } from "@opencode-ai/ui/menu"
 import { Tooltip } from "@opencode-ai/ui/tooltip"
 import { useLanguage } from "@/runtime/i18n/language"
 import { ServerConnection } from "@/runtime/server/registry"
@@ -22,6 +26,7 @@ import {
 const SHOW_HOME_SESSION_ARCHIVE = false
 const HOME_SECTION_LABEL = "text-v2-text-text-muted [font-weight:440]"
 const HOME_SESSION_SEARCH_RESULTS_ID = "home-session-search-results"
+const HOME_SESSION_LONG_PRESS_MS = 500

 // Middle-click or Cmd+click on macOS (Ctrl+click elsewhere) opens a session
 // tab in the background without navigating, matching browser conventions.
@@ -54,6 +59,9 @@ export type HomeSessionsViewProps = {
  onCreateSession: () => void
  onOpenSession: (session: SessionInfo, options?: OpenSessionOptions) => void
  onArchiveSession: (session: SessionInfo) => Promise<void>
+  onRenameSession: (server: ServerConnection.Key, session: SessionInfo, title: string) => Promise<boolean>
+  onExportSession: (server: ServerConnection.Key, session: SessionInfo) => Promise<void>
+  onDeleteSession: (server: ServerConnection.Key, session: SessionInfo) => void
  onSetHoverTarget: (element: HTMLElement) => void
  onSetThumbTrack: (element: HTMLDivElement) => void
  onSetContent: (element: HTMLDivElement) => void
@@ -71,7 +79,16 @@ export type HomeSessionsViewProps = {
  onSearchSelect: (record: HomeSessionRecord, options?: OpenSessionOptions) => void
 }

+// Session store updates recreate row components, so row-local state would
+// close an open context menu or drop an in-progress rename. Keep both keyed
+// by session ID at the view root, like the projects list does.
+type HomeSessionRowUI = {
+  menu: { id: string; x: number; y: number } | undefined
+  editor: { id: string; draft: string; renaming: boolean } | undefined
+}
+
 export function HomeSessionsView(props: HomeSessionsViewProps) {
+  const [rowUI, setRowUI] = createStore<HomeSessionRowUI>({ menu: undefined, editor: undefined })
  return (
    <section
      ref={props.onSetHoverTarget}
@@ -122,23 +139,29 @@ export function HomeSessionsView(props: HomeSessionsViewProps) {
            }
          >
            <div ref={props.onSetContent} class="flex flex-col pt-3 pr-3 pb-16">
-              <For each={props.groups}>
+              {/* Index keeps group subtrees mounted when the group arrays are
+                  rebuilt, so store updates cannot recreate rows mid-gesture. */}
+              <Index each={props.groups}>
                {(group, index) => (
                  <>
                    <HomeSessionGroupHeader
-                      title={group.title}
-                      titleOpacity={props.titleOpacity(group.id)}
-                      onSetRef={(element) => props.onSetHeader(group.id, element)}
-                      elevated={index() === 0}
+                      title={group().title}
+                      titleOpacity={props.titleOpacity(group().id)}
+                      onSetRef={(element) => props.onSetHeader(group().id, element)}
+                      elevated={index === 0}
                    />
-                    <div
-                      class={`flex min-w-0 flex-col gap-px pt-4 ${index() === props.groups.length - 1 ? "" : "mb-6"}`}
-                    >
-                      <For each={group.sessions}>{(record) => <HomeSessionRow {...props} record={record} />}</For>
+                    <div class={`flex min-w-0 flex-col gap-px pt-4 ${index === props.groups.length - 1 ? "" : "mb-6"}`}>
+                      {/* Rows key by session ID: session.sync replaces the
+                          stored session object wholesale, so reference-keyed
+                          rows would be disposed mid-interaction whenever a
+                          sync response lands. */}
+                      <Key each={group().sessions} by={(record) => record.session.id}>
+                        {(record) => <HomeSessionRow {...props} record={record()} rowUI={rowUI} setRowUI={setRowUI} />}
+                      </Key>
                    </div>
                  </>
                )}
-              </For>
+              </Index>
            </div>
          </Show>
        </Suspense>
@@ -412,45 +435,263 @@ function HomeSessionGroupHeader(props: {
  )
 }

-function HomeSessionRow(props: HomeSessionsViewProps & { record: HomeSessionRecord }) {
+function HomeSessionRow(
+  props: HomeSessionsViewProps & {
+    record: HomeSessionRecord
+    rowUI: HomeSessionRowUI
+    setRowUI: SetStoreFunction<HomeSessionRowUI>
+  },
+) {
  const title = createMemo(() => sessionLabel(props.record.session))
  const showProjectName = () => props.showProjectName && props.record.projectName
+  const sessionID = () => props.record.session.id
+  const menu = () => (props.rowUI.menu?.id === sessionID() ? props.rowUI.menu : undefined)
+  const editor = () => (props.rowUI.editor?.id === sessionID() ? props.rowUI.editor : undefined)
+  let longPressTimer: ReturnType<typeof setTimeout> | undefined
+  let longPressStart: { x: number; y: number } | undefined
+  let suppressClick = false
+  let menuInteractedOutside = false
+
+  // Focus targets are looked up by session ID: session store updates recreate
+  // row components, so instance refs can point at detached nodes by the time
+  // deferred focus runs.
+  const rowSelector = () => `[data-component="home-session-row-container"][data-session-id="${sessionID()}"]`
+  const rowButton = () =>
+    document.querySelector<HTMLButtonElement>(`${rowSelector()} [data-component="home-session-row"]`)
+  const renameInput = () =>
+    document.querySelector<HTMLInputElement>(`${rowSelector()} [data-component="home-session-rename"]`)
+
+  const clearLongPress = () => {
+    if (longPressTimer !== undefined) clearTimeout(longPressTimer)
+    longPressTimer = undefined
+    longPressStart = undefined
+  }
+  onCleanup(clearLongPress)
+
+  const openMenu = (element: HTMLElement, clientX: number, clientY: number) => {
+    const bounds = element.getBoundingClientRect()
+    props.setRowUI("menu", { id: sessionID(), x: clientX - bounds.left, y: clientY - bounds.top })
+  }
+
+  const openEditor = () => {
+    props.setRowUI("editor", { id: sessionID(), draft: title(), renaming: false })
+    requestAnimationFrame(() => {
+      const input = renameInput()
+      input?.focus()
+      input?.select()
+    })
+  }
+  const closeEditor = () => {
+    if (editor()?.renaming) return
+    props.setRowUI("editor", (value) => (value?.id === sessionID() ? undefined : value))
+  }
+  const saveEditor = async () => {
+    const current = editor()
+    if (!current || current.renaming) return
+    props.setRowUI("editor", { ...current, renaming: true })
+    const saved = await props.onRenameSession(props.server, props.record.session, current.draft)
+    // Disabling the input during the request drops focus to the body; restore
+    // it unless the user focused another control while the rename was pending.
+    const restore = document.activeElement === document.body || document.activeElement === renameInput()
+    props.setRowUI("editor", (value) => {
+      if (value?.id !== sessionID()) return value
+      return saved ? undefined : { ...value, renaming: false }
+    })
+    if (!restore) return
+    requestAnimationFrame(() => {
+      if (saved) {
+        rowButton()?.focus()
+        return
+      }
+      renameInput()?.focus()
+    })
+  }

  return (
    <div
-      class="group/session relative flex h-10 min-w-0 items-center rounded-[6px]"
+      data-component="home-session-row-container"
+      data-session-id={props.record.session.id}
+      class="group/session relative flex h-10 min-w-0 items-center rounded-[6px] outline-none focus:outline-none focus-visible:outline-none"
      classList={{ group: !!showProjectName() }}
+      onContextMenu={(event) => {
+        // While renaming, keep the native menu so paste and spelling work.
+        if (editor()) return
+        event.preventDefault()
+        openMenu(event.currentTarget, event.clientX, event.clientY)
+      }}
    >
-      <button
-        type="button"
-        data-component="home-session-row"
-        class={`
-          flex h-10 min-w-0 w-full flex-1 shrink-0 cursor-default items-center gap-2 rounded-[6px] border-0
-          bg-transparent py-3 pl-3 pr-10 text-left text-v2-text-text-muted [font-weight:530]
-          transition-[background-color,color,box-shadow] duration-[120ms] ease-in-out
-          hover:bg-v2-overlay-simple-overlay-hover focus-visible:bg-v2-overlay-simple-overlay-hover focus-visible:outline-none
-        `}
-        onMouseDown={(event) => {
-          if (event.button === 1) event.preventDefault()
-        }}
-        onClick={(event) => props.onOpenSession(props.record.session, { background: isBackgroundOpen(event) })}
-        onAuxClick={(event) => {
-          if (!isBackgroundOpen(event)) return
-          event.preventDefault()
-          props.onOpenSession(props.record.session, { background: true })
+      <Show
+        when={!editor()}
+        fallback={
+          <div class="flex h-10 min-w-0 w-full flex-1 items-center gap-2 py-3 pl-3 pr-10">
+            <HomeSessionLeadingController
+              server={props.server}
+              isOpenTab={props.isOpenTab}
+              record={props.record}
+              revealProjectOnHover={false}
+            />
+            <InlineInput
+              data-component="home-session-rename"
+              aria-label={props.language.t("common.rename")}
+              dir="auto"
+              value={editor()?.draft ?? ""}
+              disabled={editor()?.renaming ?? false}
+              class={`
+                block min-w-0 overflow-hidden text-ellipsis whitespace-nowrap text-v2-text-text-base
+                [font-weight:530] field-sizing-content outline-none focus:outline-none focus-visible:outline-none
+                ${showProjectName() ? "max-w-[min(70%,480px)] flex-[0_1_auto]" : "flex-[1_1_auto]"}
+              `}
+              style={{ "--inline-input-shadow": "none", "text-align": "start" }}
+              onInput={(event) => {
+                const draft = event.currentTarget.value
+                props.setRowUI("editor", (value) => (value?.id === sessionID() ? { ...value, draft } : value))
+              }}
+              onKeyDown={(event) => {
+                event.stopPropagation()
+                // Enter and Escape during IME composition commit or cancel
+                // the composition, not the rename. Safari can report the
+                // composition-confirming keydown with isComposing false but
+                // keyCode 229.
+                if (event.isComposing || event.keyCode === 229) return
+                if (event.key === "Enter") {
+                  event.preventDefault()
+                  void saveEditor()
+                  return
+                }
+                if (event.key !== "Escape") return
+                event.preventDefault()
+                closeEditor()
+                requestAnimationFrame(() => rowButton()?.focus())
+              }}
+              onBlur={closeEditor}
+            />
+            <Show when={showProjectName()}>
+              <HomeSessionProjectName name={props.record.projectName} />
+            </Show>
+          </div>
+        }
+      >
+        <button
+          type="button"
+          data-component="home-session-row"
+          aria-haspopup="menu"
+          aria-expanded={!!menu()}
+          class={`
+            flex h-10 min-w-0 w-full flex-1 shrink-0 cursor-default items-center gap-2 rounded-[6px] border-0
+            bg-transparent py-3 pl-3 pr-10 text-left text-v2-text-text-muted [font-weight:530]
+            transition-[background-color,color,box-shadow] duration-[120ms] ease-in-out
+            hover:bg-v2-overlay-simple-overlay-hover focus-visible:bg-v2-overlay-simple-overlay-hover focus-visible:outline-none
+          `}
+          onMouseDown={(event) => {
+            if (event.button === 1) event.preventDefault()
+          }}
+          onPointerDown={(event) => {
+            suppressClick = false
+            if (event.pointerType !== "touch") return
+            clearLongPress()
+            const element = event.currentTarget
+            const x = event.clientX
+            const y = event.clientY
+            longPressStart = { x, y }
+            longPressTimer = setTimeout(() => {
+              suppressClick = true
+              clearLongPress()
+              openMenu(element, x, y)
+            }, HOME_SESSION_LONG_PRESS_MS)
+          }}
+          onPointerMove={(event) => {
+            if (!longPressStart) return
+            if (Math.abs(event.clientX - longPressStart.x) <= 8 && Math.abs(event.clientY - longPressStart.y) <= 8)
+              return
+            clearLongPress()
+          }}
+          onPointerUp={clearLongPress}
+          onPointerCancel={() => {
+            clearLongPress()
+            suppressClick = false
+          }}
+          onKeyDown={(event) => {
+            if (event.key !== "ContextMenu" && (event.key !== "F10" || !event.shiftKey)) return
+            event.preventDefault()
+            const bounds = event.currentTarget.getBoundingClientRect()
+            openMenu(event.currentTarget, bounds.left + 12, bounds.bottom)
+          }}
+          onClick={(event) => {
+            // The flag stays set until the long-press compatibility click
+            // arrives, however delayed; keyboard activation (detail 0) is
+            // never that click and passes through.
+            if (suppressClick) {
+              suppressClick = false
+              if (event.detail !== 0) {
+                event.preventDefault()
+                return
+              }
+            }
+            props.onOpenSession(props.record.session, { background: isBackgroundOpen(event) })
+          }}
+          onAuxClick={(event) => {
+            if (!isBackgroundOpen(event)) return
+            event.preventDefault()
+            props.onOpenSession(props.record.session, { background: true })
+          }}
+        >
+          <HomeSessionLeadingController
+            server={props.server}
+            isOpenTab={props.isOpenTab}
+            record={props.record}
+            revealProjectOnHover={!!showProjectName()}
+          />
+          <HomeSessionTitle title={title()} showProjectName={!!showProjectName()} />
+          <Show when={showProjectName()}>
+            <HomeSessionProjectName name={props.record.projectName} />
+          </Show>
+        </button>
+      </Show>
+      <Menu
+        modal={false}
+        placement="bottom-start"
+        gutter={2}
+        open={!!menu()}
+        onOpenChange={(open) => {
+          if (open) return
+          props.setRowUI("menu", (value) => (value?.id === sessionID() ? undefined : value))
        }}
      >
-        <HomeSessionLeadingController
-          server={props.server}
-          isOpenTab={props.isOpenTab}
-          record={props.record}
-          revealProjectOnHover={!!showProjectName()}
+        <Menu.Trigger
+          as="span"
+          aria-hidden="true"
+          tabIndex={-1}
+          class="pointer-events-none absolute size-px"
+          style={{ left: `${menu()?.x ?? 0}px`, top: `${menu()?.y ?? 0}px` }}
        />
-        <HomeSessionTitle title={title()} showProjectName={!!showProjectName()} />
-        <Show when={showProjectName()}>
-          <HomeSessionProjectName name={props.record.projectName} />
-        </Show>
-      </button>
+        <Menu.Portal>
+          <Menu.Content
+            onInteractOutside={() => {
+              menuInteractedOutside = true
+            }}
+            onCloseAutoFocus={(event) => {
+              // The trigger is an invisible positioning span, so Kobalte's
+              // default close focus restore has no useful target. Skip the
+              // row focus when the rename editor owns focus or the user
+              // dismissed the menu by interacting elsewhere.
+              event.preventDefault()
+              const outside = menuInteractedOutside
+              menuInteractedOutside = false
+              if (outside || editor()) return
+              requestAnimationFrame(() => rowButton()?.focus())
+            }}
+          >
+            <Menu.Item onSelect={openEditor}>{props.language.t("common.rename")}</Menu.Item>
+            <Menu.Item onSelect={() => void props.onExportSession(props.server, props.record.session)}>
+              {props.language.t("common.export")}...
+            </Menu.Item>
+            <Menu.Separator />
+            <Menu.Item onSelect={() => props.onDeleteSession(props.server, props.record.session)}>
+              {props.language.t("common.delete")}...
+            </Menu.Item>
+          </Menu.Content>
+        </Menu.Portal>
+      </Menu>
      <Show when={SHOW_HOME_SESSION_ARCHIVE}>
        <div
          class={`
@@ -481,6 +722,7 @@ function HomeSessionRow(props: HomeSessionsViewProps & { record: HomeSessionReco
 function HomeSessionTitle(props: { title: string; showProjectName: boolean; search?: boolean }) {
  return (
    <span
+      data-component="home-session-title"
      class="min-w-0 overflow-hidden text-ellipsis whitespace-nowrap text-v2-text-text-base [font-weight:530]"
      classList={{
        "text-[13px] leading-4 tracking-[-0.04px]": !!props.search,
@@ -33,6 +33,133 @@
 }

@layer components {
+  [data-slot="session-side-panel-presence"][data-opened="true"] {
+    animation: terminal-panel-presence-in 240ms cubic-bezier(0.22, 1, 0.36, 1);
+  }
+
+  [data-slot="session-side-panel-presence"][data-opened="false"] {
+    animation: terminal-panel-presence-out 240ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
+  }
+
+  [data-slot="session-side-region-presence"][data-opened="true"] {
+    animation: side-region-presence-in 240ms cubic-bezier(0.22, 1, 0.36, 1);
+  }
+
+  [data-slot="session-side-region-presence"][data-opened="false"] {
+    animation: side-region-presence-out 240ms cubic-bezier(0.22, 1, 0.36, 1);
+  }
+
+  [data-slot="terminal-panel-presence"][data-opened="true"] {
+    animation: terminal-panel-presence-in 200ms cubic-bezier(0.22, 1, 0.36, 1);
+  }
+
+  [data-slot="terminal-panel-presence"][data-opened="false"] {
+    animation: terminal-panel-presence-out 200ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
+  }
+
+  [data-slot="side-terminal-panel-presence"][data-opened="true"] {
+    animation: side-terminal-panel-presence-in 240ms cubic-bezier(0.22, 1, 0.36, 1);
+  }
+
+  [data-slot="side-terminal-panel-presence"][data-opened="false"] {
+    animation: side-terminal-panel-presence-out 240ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
+  }
+
+  [data-component="terminal-panel"][data-size-animated="true"][data-opened="true"] {
+    animation: terminal-panel-size-in 200ms cubic-bezier(0.22, 1, 0.36, 1);
+  }
+
+  [data-component="terminal-panel"][data-size-animated="true"][data-opened="false"] {
+    animation: terminal-panel-size-out 200ms cubic-bezier(0.22, 1, 0.36, 1);
+  }
+
+  @media (prefers-reduced-motion: reduce) {
+    [data-slot="terminal-panel-presence"],
+    [data-slot="side-terminal-panel-presence"],
+    [data-slot="session-side-panel-presence"],
+    [data-slot="session-side-region-presence"],
+    [data-component="terminal-panel"] {
+      animation: none !important;
+    }
+  }
+
+  @keyframes terminal-panel-presence-in {
+    from {
+      opacity: 0;
+    }
+    to {
+      opacity: 1;
+    }
+  }
+
+  @keyframes terminal-panel-presence-out {
+    from {
+      opacity: 1;
+    }
+    to {
+      opacity: 0;
+    }
+  }
+
+  @keyframes side-terminal-panel-presence-in {
+    from {
+      opacity: 0.999999;
+    }
+    to {
+      opacity: 1;
+    }
+  }
+
+  @keyframes side-terminal-panel-presence-out {
+    from {
+      opacity: 1;
+    }
+    to {
+      opacity: 0.999999;
+      visibility: hidden;
+    }
+  }
+
+  @keyframes side-region-presence-in {
+    from {
+      opacity: 0;
+    }
+    0.01% {
+      opacity: 0.999999;
+    }
+    to {
+      opacity: 1;
+    }
+  }
+
+  @keyframes side-region-presence-out {
+    from {
+      opacity: 1;
+    }
+    to {
+      opacity: 0.999999;
+      visibility: hidden;
+    }
+  }
+
+  @keyframes terminal-panel-size-in {
+    from {
+      height: 0;
+    }
+    to {
+      height: var(--terminal-panel-height);
+    }
+  }
+
+  @keyframes terminal-panel-size-out {
+    from {
+      height: var(--terminal-panel-height);
+    }
+    to {
+      height: 0;
+    }
+  }
+
  [data-component="getting-started"] {
    container-type: inline-size;
    container-name: getting-started;
@@ -374,6 +374,8 @@ export const dict = {
  "dialog.server.menu.default": "Set as default",
  "dialog.server.menu.defaultRemove": "Remove default",
  "dialog.server.menu.delete": "Delete",
+  "dialog.server.menu.hide": "Hide from project list",
+  "dialog.server.menu.show": "Show in project list",
  "dialog.server.current": "Current Server",
  "dialog.server.status.default": "Default",
  "wsl.server.add": "Add WSL server",
@@ -114,11 +114,12 @@ export function createBrowserDraftStore(): DraftStore {
          if (item?.blob && typeof item.blob.id === "string") used.add(item.blob.id)
          return item
        })
-        const blobs = transaction.objectStore("blobs").openKeyCursor()
+        const store = transaction.objectStore("blobs")
+        const blobs = store.openKeyCursor()
        blobs.addEventListener("success", () => {
          const cursor = blobs.result
          if (!cursor) return
-          if (!used.has(String(cursor.key))) cursor.delete()
+          if (!used.has(String(cursor.key))) store.delete(cursor.key)
          cursor.continue()
        })
      })
@@ -1,7 +1,7 @@
 import { Platform, usePlatform } from "@/runtime/platform/platform"
-import { makePersisted, type AsyncStorage, type SyncStorage } from "@solid-primitives/storage"
+import { makePersisted, messageSync, type AsyncStorage, type SyncStorage } from "@solid-primitives/storage"
 import { checksum } from "@opencode-ai/util/encode"
-import { createResource, type Accessor } from "solid-js"
+import { createResource, onCleanup, type Accessor } from "solid-js"
 import type { SetStoreFunction, Store } from "solid-js/store"
 import { pathKey } from "@/workspaces/path-key"
 import { ScopedKey, ServerScope } from "@/runtime/server/scope"
@@ -16,6 +16,7 @@ type PersistedWithReady<T> = [

 type PersistTarget = {
  draft?: boolean
+  sync?: boolean
  storage?: string
  scope?: "window"
  workspaceStorageAliases?: string[]
@@ -637,7 +638,17 @@ export function persisted<T>(
    return api
  })()

-  const [state, setState, init] = makePersisted(store, { name: config.key, storage })
+  const channel =
+    config.sync && typeof BroadcastChannel !== "undefined"
+      ? new BroadcastChannel(`opencode.persist:${config.storage ?? "default"}:${config.key}`)
+      : undefined
+  if (channel) onCleanup(() => channel.close())
+
+  const [state, setState, init] = makePersisted(store, {
+    name: config.key,
+    storage,
+    sync: channel ? messageSync(channel) : undefined,
+  })

  const isAsync = init instanceof Promise
  const [ready] = createResource(
@@ -104,6 +104,9 @@ type PlatformBase = {
  /** Read image from clipboard (desktop only) */
  readClipboardImage?(): Promise<File | null>

+  /** Write text to the native clipboard (desktop only) */
+  writeClipboardText?(text: string): Promise<void>
+
  /** Export collected diagnostic logs (desktop only) */
  exportDebugLogs?(): Promise<string>

@@ -1,7 +1,7 @@
 import { describe, expect, test } from "bun:test"
 import type { OpenCodeEvent } from "@opencode-ai/client/promise"
 import { createRoot } from "solid-js"
-import { createOpenCodeEventSource } from "./client"
+import { createOpenCodeEventSource, createServerTransport } from "./client"

 const permission = {
  id: "evt_permission",
@@ -84,3 +84,39 @@ describe("server event stream", () => {
    second.dispose()
  })
 })
+
+test("rotates HTTP and PTY clients together", async () => {
+  const requests: Array<{ url: string; authorization: string | null }> = []
+  const fetch = (async (input: string | URL | Request, init?: RequestInit) => {
+    const request = input instanceof Request ? input : new Request(input, init)
+    requests.push({ url: request.url, authorization: request.headers.get("authorization") })
+    return Response.json({ healthy: true, version: "2.0.0-test", pid: 1 })
+  }) as typeof globalThis.fetch
+  const transport = createServerTransport({
+    http: { url: "http://127.0.0.1:4100", username: "opencode", password: "first" },
+    fetch,
+  })
+  const initialPty = transport.pty
+
+  await transport.api.health.get()
+  const replacement = transport.update({
+    url: "http://127.0.0.1:4200",
+    username: "opencode",
+    password: "second",
+  })
+  await transport.api.health.get()
+
+  expect(replacement).toBe(transport.api)
+  expect(transport.pty).not.toBe(initialPty)
+  expect(transport.url).toBe("http://127.0.0.1:4200")
+  expect(requests).toEqual([
+    {
+      url: "http://127.0.0.1:4100/api/health",
+      authorization: `Basic ${btoa("opencode:first")}`,
+    },
+    {
+      url: "http://127.0.0.1:4200/api/health",
+      authorization: `Basic ${btoa("opencode:second")}`,
+    },
+  ])
+})
@@ -72,11 +72,12 @@ type ServerSDKBase = {

 function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerScope): ServerSDKBase {
  const platform = usePlatform()
-  const api = createApiForServer({ server: server.http, fetch: platform.fetch })
-  const pty = createPtyClient(api, { url: server.http.url })
+  const transport = createServerTransport({ http: server.http, fetch: platform.fetch })
  const events = createOpenCodeEventSource()
+  const reconnect = server.type === "sidecar" && server.variant === "base" ? server.reconnect : undefined

-  const connection = createClientConnection(api, {
+  const connection = createClientConnection(transport.api, {
+    reconnect: reconnect ? async (signal) => transport.update(await reconnect(signal)) : undefined,
    flushInterval: 16,
    pageLifecycle: true,
    onEvent(event) {
@@ -85,7 +86,7 @@ function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerS
    log: {
      info(message, data) {
        if (message !== "event stream disconnected") return
-        console.info("[global-sdk] event stream disconnected", { url: server.http.url, ...data })
+        console.info("[global-sdk] event stream disconnected", { url: transport.url, managed: !!reconnect, ...data })
      },
    },
  })
@@ -93,14 +94,48 @@ function createServerSdkContextBase(server: ServerConnection.Any, scope: ServerS
  return {
    server,
    scope,
-    url: server.http.url,
-    api,
-    pty,
+    get url() {
+      return transport.url
+    },
+    get api() {
+      return transport.api
+    },
+    get pty() {
+      return transport.pty
+    },
    connection,
    event: events.event,
  }
 }

+export function createServerTransport(input: { http: ServerConnection.HttpBase; fetch?: typeof globalThis.fetch }): {
+  update(http: ServerConnection.HttpBase): ServerApi
+  readonly url: string
+  readonly api: ServerApi
+  readonly pty: ReturnType<typeof createPtyClient>
+} {
+  const build = (http: ServerConnection.HttpBase) => {
+    const api = createApiForServer({ server: http, fetch: input.fetch })
+    return { http, api, pty: createPtyClient(api, { url: http.url }) }
+  }
+  const state = { current: build(input.http) }
+  return {
+    update(http: ServerConnection.HttpBase) {
+      state.current = build(http)
+      return state.current.api
+    },
+    get url() {
+      return state.current.http.url
+    },
+    get api() {
+      return state.current.api
+    },
+    get pty() {
+      return state.current.pty
+    },
+  }
+}
+
 export type ServerSDK = ServerSDKBase & {
  ensureDirSdkContext: (directory: string) => ReturnType<typeof createDirSdkContext>
 }
@@ -210,7 +210,7 @@ export namespace ServerConnection {
    http: HttpBase
  } & (
    | // Regular desktop server
-    { variant: "base" }
+    { variant: "base"; reconnect?: (signal: AbortSignal) => Promise<HttpBase> }
    // WSL server (windows only)
    | {
        variant: "wsl"
@@ -264,11 +264,13 @@ export const { use: useServers, provider: ServersProvider } = createSimpleContex
    const [store, setStore, _] = persisted(
      {
        ...Persist.global("server"),
+        sync: true,
        previousKey: "server.v3",
        migrate: (value) => migrateCanonicalLocalServerState(value, props.canonicalLocalServer),
      },
      createStore({
        list: [] as StoredServer[],
+        hidden: {} as Record<string, boolean>,
        projects: {} as Record<string, StoredProject[]>,
        lastProject: {} as Record<string, string>,
        recentlyClosed: {} as Record<string, string[]>,
@@ -280,6 +282,7 @@ export const { use: useServers, provider: ServersProvider } = createSimpleContex
    const allServers = createMemo((): Array<ServerConnection.Any> => {
      return resolveServerList({ stored: store.list, props: props.servers })
    })
+    const visibleServers = createMemo(() => allServers().filter((conn) => !store.hidden[ServerConnection.key(conn)]))

    function add(input: ServerConnection.Http) {
      const url_ = normalizeServerUrl(input.http.url)
@@ -321,6 +324,15 @@ export const { use: useServers, provider: ServersProvider } = createSimpleContex
      get list() {
        return allServers()
      },
+      get visible() {
+        return visibleServers()
+      },
+      isHidden(key: ServerConnection.Key) {
+        return store.hidden[key] ?? false
+      },
+      setHidden(key: ServerConnection.Key, hidden: boolean) {
+        setStore("hidden", key, hidden)
+      },
      add,
      remove,
      canRemove,
@@ -10,6 +10,7 @@ import { createData } from "@opencode-ai/client/solid"
 import type { ServerScope } from "@/runtime/server/scope"
 import { createServerPermissionState } from "@/session/requests/server-permission"
 import { createServerNotificationState } from "@/shell/notifications/notification"
+import { createNotificationCoordinator } from "@/shell/notifications/coordinator"
 import { Persist, persisted } from "@/runtime/persistence/storage"

 export const { use: useGlobal, provider: GlobalProvider } = createSimpleContext({
@@ -26,6 +27,7 @@ export const { use: useGlobal, provider: GlobalProvider } = createSimpleContext(
      },
    })
    const models = createGlobalModels()
+    const notificationCoordinator = createNotificationCoordinator()

    const settingsServer = createMemo(() => {
      const list = server.list
@@ -50,7 +52,7 @@ export const { use: useGlobal, provider: GlobalProvider } = createSimpleContext(
      if (existing) return existing
      const serverCtx = createRoot((dispose) => {
        serverCtxDisposers.set(key, dispose)
-        return createServerController(conn, server.scope(key), server.projects.forServer(key))
+        return createServerController(conn, server.scope(key), server.projects.forServer(key), notificationCoordinator)
      }, owner)
      serverCtxs.set(key, serverCtx)
      return serverCtx
@@ -131,6 +133,7 @@ function createServerController(
  conn: ServerConnection.Any,
  scope: ServerScope,
  projects: ReturnType<typeof createServerProjects>,
+  notificationCoordinator: ReturnType<typeof createNotificationCoordinator>,
 ) {
  const connKey = ServerConnection.key(conn)
  const sdk = createServerSdkContext(conn, scope)
@@ -145,7 +148,7 @@ function createServerController(
  })
  const sync = createServerSyncContext(sdk, data)
  const permission = createServerPermissionState({ sdk, sync, data })
-  const notification = createServerNotificationState({ sdk, data, key: connKey })
+  const notification = createServerNotificationState({ sdk, data, key: connKey, coordinator: notificationCoordinator })

  function enrich(project: { worktree: string; expanded: boolean }) {
    const [childStore] = sync.child(project.worktree, { bootstrap: false })
@@ -36,10 +36,10 @@ export const loadLspQuery = (scope: ServerScope, directory: string) =>
    queryFn: async () => [],
  })

-function makeQueryOptionsApi(scope: ServerScope, serverAPI: ServerApi) {
+function makeQueryOptionsApi(scope: ServerScope, serverAPI: () => ServerApi) {
  return {
    globalConfig: () => loadGlobalConfigQuery(scope),
-    path: () => loadPathQuery(scope, null, serverAPI.location),
+    path: () => loadPathQuery(scope, null, serverAPI().location),
    lsp: (directory: PathKey) => loadLspQuery(scope, directory),
  }
 }
@@ -52,7 +52,7 @@ export function createServerSyncContextInner(serverSDK: ServerSDK, data: Data) {
  if (!owner) throw new Error("ServerSync must be created within owner")

  const booting = new Map<string, Promise<void>>()
-  const queryOptionsApi = makeQueryOptionsApi(serverSDK.scope, serverSDK.api)
+  const queryOptionsApi = makeQueryOptionsApi(serverSDK.scope, () => serverSDK.api)
  const connected = () => serverSDK.connection.status() === "connected"

  const [configQuery, pathQuery] = useQueries(() => ({
@@ -66,7 +66,19 @@ export function useServerActionsController() {
    }
  }

-  return { defaults, connection: { canRemove: server.canRemove, remove } }
+  return {
+    defaults,
+    connection: {
+      canRemove: server.canRemove,
+      remove,
+      canHide: (key: ServerConnection.Key) => {
+        const conn = server.list.find((item) => ServerConnection.key(item) === key)
+        return server.visible.length > 1 && !!conn && ServerConnection.builtin(conn)
+      },
+      isHidden: server.isHidden,
+      setHidden: server.setHidden,
+    },
+  }
 }

 export type ServerActionsController = ReturnType<typeof useServerActionsController>
@@ -22,10 +22,14 @@ export const ServerRowMenu: Component<{
      canDefault={props.domain.defaults.available()}
      isDefault={props.domain.defaults.key() === key}
      canRemove={props.domain.connection.canRemove(key)}
+      canHide={props.domain.connection.canHide(key)}
+      hidden={props.domain.connection.isHidden(key)}
      onEdit={props.onEdit}
      onSetDefault={() => props.domain.defaults.set(key)}
      onRemoveDefault={() => props.domain.defaults.set(null)}
      onRemove={() => props.domain.connection.remove(key)}
+      onHide={() => props.domain.connection.setHidden(key, true)}
+      onShow={() => props.domain.connection.setHidden(key, false)}
      open={props.open}
      onOpenChange={props.onOpenChange}
    />
@@ -40,6 +44,8 @@ export function serverMenuLabels(language: ReturnType<typeof useLanguage>) {
    default: language.t("dialog.server.menu.default"),
    defaultRemove: language.t("dialog.server.menu.defaultRemove"),
    delete: language.t("dialog.server.menu.delete"),
+    hide: language.t("dialog.server.menu.hide"),
+    show: language.t("dialog.server.menu.show"),
  }
 }

@@ -49,10 +55,14 @@ export const ServerRowMenuView: Component<{
  canDefault: boolean
  isDefault: boolean
  canRemove: boolean
+  canHide?: boolean
+  hidden?: boolean
  onEdit: (server: ServerConnection.Http) => void
  onSetDefault: () => void
  onRemoveDefault: () => void
  onRemove: () => void
+  onHide?: () => void
+  onShow?: () => void
  open?: boolean
  onOpenChange?: (open: boolean) => void
 }> = (props) => {
@@ -86,6 +96,12 @@ export const ServerRowMenuView: Component<{
            <Show when={props.canDefault && props.isDefault}>
              <Menu.Item onSelect={props.onRemoveDefault}>{props.labels.defaultRemove}</Menu.Item>
            </Show>
+            <Show when={props.hidden}>
+              <Menu.Item onSelect={props.onShow}>{props.labels.show}</Menu.Item>
+            </Show>
+            <Show when={!props.hidden && props.canHide}>
+              <Menu.Item onSelect={props.onHide}>{props.labels.hide}</Menu.Item>
+            </Show>
            <Show when={props.canRemove}>
              <Menu.Separator />
              <Menu.Item onSelect={props.onRemove}>{props.labels.delete}</Menu.Item>
@@ -12,6 +12,7 @@ import { useSettings } from "@/settings/model"
 import { useTerminal } from "@/session/terminal/context"
 import { showToast } from "@/shell/notifications/toast"
 import { downloadSessionExport, fetchSessionExport, sessionExportFilename } from "@/session/commands/export"
+import { usePlatform } from "@/runtime/platform/platform"
 import type { SessionModel } from "@/session/model"
 import type { SessionRevert } from "@/session/revert"

@@ -53,6 +54,7 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
  const serverSDK = useServerSDK()
  const settings = useSettings()
  const terminal = useTerminal()
+  const platform = usePlatform()
  const layout = useLayout()
  const openDialog = async <T,>(load: () => Promise<T>, show: (value: T) => void) => {
    const owner = actions.session.ownership.capture()
@@ -131,7 +133,7 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
    const sessionID = actions.session.identity.params.id
    if (!sessionID) return
    try {
-      await navigator.clipboard.writeText(sessionID)
+      await (platform.writeClipboardText?.(sessionID) ?? navigator.clipboard.writeText(sessionID))
      showToast({
        variant: "success",
        icon: "circle-check",
@@ -151,7 +153,7 @@ export const useSessionCommands = (actions: SessionCommandContext) => {
    const projectID = actions.session.data.info()?.projectID
    if (!projectID) return
    try {
-      await navigator.clipboard.writeText(projectID)
+      await (platform.writeClipboardText?.(projectID) ?? navigator.clipboard.writeText(projectID))
      showToast({
        variant: "success",
        icon: "circle-check",
@@ -36,7 +36,7 @@ export function SessionComposerRegion(props: {
      <div
        classList={{
          "w-full px-3 pointer-events-auto": true,
-          "md:max-w-200 md:mx-auto 2xl:max-w-[1000px]": controller.centered(),
+          "md:max-w-[1000px] md:mx-auto": controller.centered(),
        }}
      >
        <Show when={controller.state.questionRequest()} keyed>
@@ -62,7 +62,7 @@ export function SessionSidePanel(props: {
  fileBrowserState: SessionFileBrowserState
  activeDiff?: string
  focusReviewDiff: (path: string) => void
-  reviewSnap: boolean
+  reviewPresent?: boolean
  size: Sizing
  stacked?: boolean
 }) {
@@ -79,6 +79,7 @@ export function SessionSidePanel(props: {
  const shown = settings.visibility.fileTree

  const reviewOpen = createMemo(() => isDesktop() && view().reviewPanel.opened())
+  const reviewVisible = createMemo(() => reviewOpen() || !!props.reviewPresent)
  const fileOpen = createMemo(
    () =>
      isDesktop() &&
@@ -88,11 +89,12 @@ export function SessionSidePanel(props: {
      }),
  )
  const open = createMemo(() => reviewOpen() || fileOpen())
+  const visible = createMemo(() => reviewVisible() || fileOpen())
  const fileTreeWidth = createMemo(() => Math.max(FILE_TREE_WIDTH_MIN, layout.fileTree.width()))
  const reviewTab = createMemo(() => isDesktop())
  const panelWidth = createMemo(() => {
-    if (!open()) return "0px"
-    if (reviewOpen()) return "auto"
+    if (!visible()) return "0px"
+    if (reviewVisible()) return "auto"
    return `${fileTreeWidth()}px`
  })
  const treeWidth = createMemo(() => (fileOpen() ? `${fileTreeWidth()}px` : "0px"))
@@ -252,14 +254,14 @@ export function SessionSidePanel(props: {
          "h-full min-h-0": props.stacked,
          "pointer-events-none": !open(),
          "transition-[width] duration-[240ms] ease-[cubic-bezier(0.22,1,0.36,1)] will-change-[width] motion-reduce:transition-none":
-            !props.size.active() && !props.reviewSnap,
-          "flex-1": reviewOpen(),
+            !props.size.active(),
+          "flex-1": reviewVisible(),
        }}
        style={{ width: panelWidth() }}
      >
-        <Show when={open()}>
+        <Show when={visible()}>
          <div class="size-full flex">
-            <Show when={reviewOpen()}>
+            <Show when={reviewVisible()}>
              <div class="relative min-w-0 h-full flex-1 overflow-hidden bg-v2-background-bg-base">
                <div class="size-full min-w-0 h-full bg-v2-background-bg-base">
                  <DragDropProvider
@@ -101,11 +101,11 @@ export const focusTerminalById = (id: string) => {

  const textarea = terminal.querySelector("textarea")
  if (textarea instanceof HTMLTextAreaElement) {
-    textarea.focus()
+    textarea.focus({ preventScroll: true })
    return true
  }

-  terminal.focus()
+  terminal.focus({ preventScroll: true })
  terminal.dispatchEvent(
    typeof PointerEvent === "function"
      ? new PointerEvent("pointerdown", { bubbles: true, cancelable: true })
@@ -124,11 +124,12 @@ export function createSessionReview(input: {
      queryKey: [server.scope, "session-details", input.session.workspace.directory()],
    })
  }, 100)
-  onCleanup(
-    location().event.listen((event) => {
+  createEffect(() => {
+    const stop = location().event.listen((event) => {
      if (event.type === "filesystem.changed") refresh()
-    }),
-  )
+    })
+    onCleanup(stop)
+  })
  createEffect(
    on(
      () => input.screen.review.open() || mobileChanges(),
@@ -58,7 +58,7 @@ export function SessionMobileReview(props: { review: SessionReviewModel }) {
  )
 }

-export function SessionDesktopReview(props: { review: SessionReviewModel }) {
+export function SessionDesktopReview(props: { review: SessionReviewModel; present?: boolean }) {
  return (
    <Suspense>
      <SessionSidePanel
@@ -79,7 +79,7 @@ export function SessionDesktopReview(props: { review: SessionReviewModel }) {
        fileBrowserState={props.review.panelState}
        activeDiff={props.review.activeFile()}
        focusReviewDiff={props.review.focusFile}
-        reviewSnap={props.review.screen.review.snap()}
+        reviewPresent={props.present}
        size={props.review.screen.size}
        stacked={props.review.screen.side.layout().stacked}
      />
@@ -2,12 +2,11 @@ import { ErrorBoundary, createEffect, createMemo, Show, type ParentProps } from
 import { useParams } from "@solidjs/router"
 import { CommentsProvider } from "@/composer/comments"
 import { FileProvider } from "@/workspaces/files/model"
-import { LocationProvider, useWorkspaceLocation } from "@/workspaces/location"
+import { LocationProvider } from "@/workspaces/location"
 import { ModelsProvider } from "@/providers/models/models"
 import { useNotification } from "@/shell/notifications/notification"
 import { ComposerPersistenceProvider } from "@/composer/persistence"
 import { useData, useServer } from "@/runtime/server/current"
-import { useServerSDK } from "@/runtime/server/client"
 import { ServerConnection } from "@/runtime/server/registry"
 import { TerminalProvider } from "@/session/terminal/context"
 import { useSettingsCommand } from "@/settings/command"
@@ -86,7 +85,7 @@ function ResolvedTargetSessionRoute() {
    >
      <Show when={directory()} fallback={<PendingSessionState sessionID={params.id} />}>
        {(value) => (
-          <LocationProvider directory={value()}>
+          <LocationProvider directory={value}>
            <SessionUIProvider directory={value()} server={server.key}>
              <TargetSessionPage />
            </SessionUIProvider>
@@ -114,23 +113,18 @@ function SessionStatePanel(props: ParentProps) {
 }

 function TargetSessionPage() {
-  const location = useWorkspaceLocation()
-  const server = useServerSDK()
-
  return (
-    // Keep workspace-scoped file, prompt, comment, and terminal state alive when
-    // the user switches between Sessions in the same workspace.
-    <Show when={`${server.scope}\0${location().directory}`} keyed>
-      <TerminalProvider>
-        <FileProvider>
-          <ComposerPersistenceProvider>
-            <CommentsProvider>
-              <SessionPage />
-            </CommentsProvider>
-          </ComposerPersistenceProvider>
-        </FileProvider>
-      </TerminalProvider>
-    </Show>
+    // These providers select their scoped state reactively and retain bounded caches,
+    // so keep their owners alive while navigating between workspaces on this server.
+    <TerminalProvider>
+      <FileProvider>
+        <ComposerPersistenceProvider>
+          <CommentsProvider>
+            <SessionPage />
+          </CommentsProvider>
+        </ComposerPersistenceProvider>
+      </FileProvider>
+    </TerminalProvider>
  )
 }

@@ -1,4 +1,5 @@
-import { createComputed, createMemo, createSignal, onCleanup } from "solid-js"
+import { createEffect, createMemo } from "solid-js"
+import { createStore } from "solid-js/store"
 import { createResizeObserver } from "@solid-primitives/resize-observer"
 import { useLayout } from "@/shell/state/layout"
 import { useSettings } from "@/settings/model"
@@ -14,11 +15,9 @@ export function createSessionScreenLayout(session: SessionModel, serverScope: st
  const reviewOpen = createMemo(() => session.isDesktop() && session.layout.view().reviewPanel.opened())
  const reviewPanelOpen = createMemo(() => reviewOpen() && !!session.identity.params.id)
  const terminalOpen = createMemo(() => session.layout.view().terminal.opened())
-  const desktopTerminalOpen = createMemo(() => session.isDesktop() && terminalOpen())
-  const sideTerminalOpen = createMemo(() => desktopTerminalOpen() && settings.general.terminalPlacement() === "side")
-  const bottomTerminalOpen = createMemo(
-    () => desktopTerminalOpen() && settings.general.terminalPlacement() === "bottom",
-  )
+  const sideTerminal = createMemo(() => session.isDesktop() && settings.general.terminalPlacement() === "side")
+  const bottomTerminal = createMemo(() => session.isDesktop() && settings.general.terminalPlacement() === "bottom")
+  const sideTerminalOpen = createMemo(() => terminalOpen() && sideTerminal())
  const fileTreeOpen = createMemo(
    () =>
      session.isDesktop() &&
@@ -29,14 +28,14 @@ export function createSessionScreenLayout(session: SessionModel, serverScope: st
  )
  const resizable = createMemo(() => reviewPanelOpen() || sideTerminalOpen())
  const sidePanelOpen = createMemo(() => resizable() || fileTreeOpen())
-  const [rowWidth, setRowWidth] = createSignal<number>()
+  const [rowSize, setRowSize] = createStore<{ width?: number; height?: number }>({})
  let row: HTMLDivElement | undefined
  createResizeObserver(
    () => row,
-    ({ width }) => setRowWidth(width),
+    ({ width, height }) => setRowSize({ width, height }),
  )
  const available = createMemo<number | undefined>(() => {
-    const width = rowWidth()
+    const width = rowSize.width
    if (width === undefined) return undefined
    return width - 8
  })
@@ -65,24 +64,30 @@ export function createSessionScreenLayout(session: SessionModel, serverScope: st
      files: fileTreeOpen(),
    }),
  )
-  const [reviewSnap, setReviewSnap] = createSignal(false)
-  let reviewFrame: number | undefined
-  createComputed((previous) => {
-    const open = reviewOpen()
-    if (previous === undefined || previous === open) return open
-
-    if (reviewFrame !== undefined) cancelAnimationFrame(reviewFrame)
-    setReviewSnap(true)
-    reviewFrame = requestAnimationFrame(() => {
-      reviewFrame = undefined
-      setReviewSnap(false)
-    })
-    return open
-  }, reviewOpen())
-  onCleanup(() => {
-    if (reviewFrame !== undefined) cancelAnimationFrame(reviewFrame)
+  const [motion, setMotion] = createStore({ gap: panelLayout().stacked, closing: false })
+  createEffect((previous) => {
+    const stacked = panelLayout().stacked
+    if (previous !== stacked) setMotion({ gap: stacked, closing: !stacked })
+    return stacked
+  }, panelLayout().stacked)
+  const sideRegionOpen = createMemo(() => reviewPanelOpen() || fileTreeOpen())
+  const terminalPane = createMemo(() =>
+    Math.min(layout.terminal.height(), typeof window === "undefined" ? 600 : window.innerHeight * 0.6),
+  )
+  const terminalPaneHeight = createMemo(() => `${terminalPane()}px`)
+  const sideHeight = createMemo(() => rowSize.height)
+  const fullSideHeight = createMemo(() => (sideHeight() === undefined ? "100%" : `${sideHeight()}px`))
+  const stackedReviewHeight = createMemo(() => {
+    const height = sideHeight()
+    if (height === undefined) return `calc(100% - ${terminalPaneHeight()} - 8px)`
+    return `${Math.max(0, height - terminalPane() - 8)}px`
  })
-
+  const sideContentWidth = createMemo<string>((previous) => {
+    const width = available()
+    if (resizable() && width !== undefined) return `${Math.max(0, width - resizedWidth())}px`
+    if (fileTreeOpen()) return `${layout.fileTree.width()}px`
+    return previous
+  }, "100%")
  return {
    centered: createMemo(() => session.isDesktop()),
    files: { open: fileTreeOpen },
@@ -99,14 +104,36 @@ export function createSessionScreenLayout(session: SessionModel, serverScope: st
    review: {
      open: reviewOpen,
      panelOpen: reviewPanelOpen,
-      snap: reviewSnap,
    },
-    side: { layout: panelLayout },
+    side: {
+      contentWidth: sideContentWidth,
+      gap: {
+        closing: () => motion.closing,
+        height: createMemo(() => (motion.gap ? "8px" : "0px")),
+      },
+      layout: panelLayout,
+      region: {
+        height: createMemo(() => {
+          if (!sideRegionOpen()) return "0px"
+          if (sideTerminalOpen()) return stackedReviewHeight()
+          return fullSideHeight()
+        }),
+        open: sideRegionOpen,
+      },
+      terminal: {
+        contentHeight: createMemo(() => (sideRegionOpen() ? terminalPaneHeight() : fullSideHeight())),
+        height: createMemo(() => {
+          if (!sideTerminalOpen()) return "0px"
+          if (sideRegionOpen()) return terminalPaneHeight()
+          return fullSideHeight()
+        }),
+      },
+    },
    size,
    terminal: {
-      bottomOpen: bottomTerminalOpen,
-      inlineOnlyOpen: createMemo(() => sideTerminalOpen() && !reviewPanelOpen()),
+      bottom: bottomTerminal,
      open: terminalOpen,
+      side: sideTerminal,
    },
  }
 }
@@ -1,5 +1,6 @@
 import { ErrorBoundary, Show, Match, Switch, createMemo, createEffect, createComputed, on } from "solid-js"
 import { createStore } from "solid-js/store"
+import createPresence from "solid-presence"
 import { ResizeHandle } from "@opencode-ai/ui/resize-handle"
 import { SessionHeader } from "@/session/header/session-header"
 import { useLayout } from "@/shell/state/layout"
@@ -28,7 +29,42 @@ export function SessionScreen(props: { session: SessionModel }) {
  const screen = createSessionScreenLayout(session, serverSDK.scope)
  const timeline = createSessionTimelineInteraction(session)
  const messagesReady = timeline.ready
-  const [store, setStore] = createStore({ deferRender: false })
+  const [store, setStore] = createStore({
+    deferRender: false,
+    bottomTerminalCached: false,
+    sideHeightMotion: false,
+    sideRegionPresent: false,
+    sideReviewPresent: false,
+    sideTerminalPresent: false,
+  })
+  const [elements, setElements] = createStore<{
+    side?: HTMLDivElement
+    bottomTerminal?: HTMLDivElement
+  }>({})
+  const sideVisible = createMemo(() => isDesktop() && screen.side.layout().visible)
+  const sideTerminalVisible = createMemo(() => isDesktop() && screen.terminal.side() && screen.terminal.open())
+  const bottomTerminalVisible = createMemo(() => screen.terminal.open() && (!isDesktop() || screen.terminal.bottom()))
+  const sidePresence = createPresence({
+    show: sideVisible,
+    element: () => elements.side ?? null,
+  })
+  const bottomTerminalPresence = createPresence({
+    show: bottomTerminalVisible,
+    element: () => elements.bottomTerminal ?? null,
+  })
+  createEffect(() => {
+    if (sideTerminalVisible()) setStore("sideTerminalPresent", true)
+    if (bottomTerminalVisible()) setStore("bottomTerminalCached", true)
+    if (!sideVisible()) setStore("sideHeightMotion", false)
+  })
+  createEffect(() => {
+    if (!isDesktop() || screen.terminal.bottom()) setStore("sideTerminalPresent", false)
+    if (isDesktop() && screen.terminal.side()) setStore("bottomTerminalCached", false)
+  })
+  createEffect(() => {
+    if (screen.side.region.open()) setStore("sideRegionPresent", true)
+    if (screen.review.panelOpen()) setStore("sideReviewPresent", true)
+  })

  createComputed((prev) => {
    const key = session.identity.sessionKey()
@@ -75,15 +111,9 @@ export function SessionScreen(props: { session: SessionModel }) {
          </Match>
          <Match when={session.identity.params.id}>
            <Show when={!messagesReady()}>
-              <SessionIdentityHeader
-                sessionID={session.identity.params.id ?? ""}
-                session={session.data.info()}
-              />
+              <SessionIdentityHeader sessionID={session.identity.params.id ?? ""} session={session.data.info()} />
            </Show>
-            <Show
-              when={messagesReady() ? session.identity.params.id : undefined}
-              keyed
-            >
+            <Show when={messagesReady() ? session.identity.params.id : undefined} keyed>
              {(_id) => (
                <MessageTimeline
                  session={session}
@@ -135,13 +165,14 @@ export function SessionScreen(props: { session: SessionModel }) {
    <>
      <SessionHeader />
      <div class="flex-1 min-h-0 flex flex-col gap-2 p-2">
-        <div ref={screen.panel.ref} class="flex-1 min-h-0 flex flex-col md:flex-row gap-2">
+        <div ref={screen.panel.ref} class="relative flex-1 min-h-0 flex flex-col md:flex-row gap-2">
          <div
            classList={{
-              "@container relative shrink-0 flex flex-col min-h-0 h-full flex-1 md:flex-none transition-[width]": true,
+              "@container relative z-10 shrink-0 flex flex-col min-h-0 h-full flex-1 md:flex-none transition-[width]": true,
              "duration-[240ms] ease-[cubic-bezier(0.22,1,0.36,1)] will-change-[width] motion-reduce:transition-none":
-                !screen.size.active() && !screen.review.snap() && !screen.terminal.inlineOnlyOpen(),
+                !screen.size.active(),
            }}
+            data-slot="session-chat-panel"
            style={{
              width: screen.panel.width(),
            }}
@@ -171,51 +202,125 @@ export function SessionScreen(props: { session: SessionModel }) {
            </Show>
          </div>

-          <Show when={isDesktop() && screen.side.layout().visible}>
-            <div class="min-w-0 h-full flex flex-1 flex-col">
-              <Show when={screen.review.panelOpen() || screen.files.open()}>
-                <div class="min-h-0 flex-1">
-                  <SessionDesktopReview review={review} />
-                </div>
-              </Show>
-              <Show when={screen.side.layout().stacked}>
-                <div class="relative h-2 shrink-0" onPointerDown={() => screen.size.start()}>
-                  <ResizeHandle
-                    class="!relative !inset-auto !h-full !w-full !transform-none"
-                    direction="vertical"
-                    size={layout.terminal.height()}
-                    min={100}
-                    max={typeof window === "undefined" ? 600 : window.innerHeight * 0.6}
-                    collapseThreshold={50}
-                    onResize={(height) => {
-                      screen.size.touch()
-                      layout.terminal.resize(height)
-                    }}
-                    onCollapse={() => session.layout.view().terminal.close()}
-                  />
-                </div>
-              </Show>
-              <Show when={screen.terminal.open() && !screen.terminal.bottomOpen()}>
+          <Show when={sidePresence.present() || store.sideTerminalPresent}>
+            <div
+              ref={(element) => setElements("side", element)}
+              data-slot="session-side-panel-presence"
+              data-opened={sideVisible()}
+              onAnimationEnd={(event) => {
+                if (event.currentTarget !== event.target) return
+                if (event.animationName !== "terminal-panel-presence-in" || !sideVisible()) return
+                setStore("sideHeightMotion", true)
+              }}
+              classList={{
+                "relative z-0 min-w-0 h-full flex-1 overflow-visible": sidePresence.present(),
+                "absolute inset-y-0 end-0 z-0 w-0 invisible pointer-events-none overflow-visible":
+                  !sidePresence.present(),
+              }}
+            >
+              <div
+                data-slot="session-side-panel-content"
+                class="absolute inset-y-0 start-0 h-full"
+                style={{ width: screen.side.contentWidth() }}
+              >
                <div
+                  data-slot="session-side-region"
                  classList={{
-                    "min-h-0 shrink-0": screen.side.layout().stacked,
-                    "min-h-0 flex-1": !screen.side.layout().stacked,
+                    "absolute inset-x-0 top-0 min-h-0 overflow-visible transition-[height] duration-[240ms] ease-[cubic-bezier(0.22,1,0.36,1)] motion-reduce:transition-none": true,
+                    "will-change-[height]": !screen.size.active() && store.sideHeightMotion,
+                    "transition-none": screen.size.active() || !store.sideHeightMotion,
                  }}
+                  style={{ height: screen.side.region.height() }}
                >
-                  <TerminalPanel stacked={screen.side.layout().stacked} />
+                  <Show when={store.sideRegionPresent}>
+                    <div
+                      data-slot="session-side-region-presence"
+                      data-opened={screen.side.region.open()}
+                      class="absolute inset-0"
+                      onAnimationEnd={(event) => {
+                        if (event.currentTarget !== event.target) return
+                        if (event.animationName !== "side-region-presence-out") return
+                        if (screen.side.region.open()) return
+                        if (sideTerminalVisible()) return
+                        setStore("sideRegionPresent", false)
+                        setStore("sideReviewPresent", false)
+                      }}
+                    >
+                      <SessionDesktopReview review={review} present={store.sideReviewPresent} />
+                    </div>
+                  </Show>
                </div>
-              </Show>
+                <div class="absolute inset-x-0 bottom-0 flex flex-col">
+                  <div
+                    data-slot="session-side-panel-gap"
+                    classList={{
+                      "relative z-0 shrink-0 overflow-visible bg-v2-background-bg-deep transition-[height] duration-[40ms] ease-[cubic-bezier(0.22,1,0.36,1)] motion-reduce:transition-none": true,
+                      "delay-0": !screen.side.gap.closing(),
+                      "delay-[200ms]": screen.side.gap.closing(),
+                    }}
+                    style={{ height: screen.side.gap.height() }}
+                    onPointerDown={() => screen.size.start()}
+                  >
+                    <Show when={screen.side.layout().stacked}>
+                      <ResizeHandle
+                        class="!relative !inset-auto !h-full !w-full !transform-none"
+                        direction="vertical"
+                        size={layout.terminal.height()}
+                        min={100}
+                        max={typeof window === "undefined" ? 600 : window.innerHeight * 0.6}
+                        collapseThreshold={50}
+                        onResize={(height) => {
+                          screen.size.touch()
+                          layout.terminal.resize(height)
+                        }}
+                        onCollapse={() => session.layout.view().terminal.close()}
+                      />
+                    </Show>
+                  </div>
+                  <div
+                    data-slot="session-side-terminal-region"
+                    classList={{
+                      "relative z-10 min-h-0 shrink-0 overflow-visible transition-[height] duration-[240ms] ease-[cubic-bezier(0.22,1,0.36,1)] motion-reduce:transition-none": true,
+                      "will-change-[height]": !screen.size.active() && store.sideHeightMotion,
+                      "transition-none": screen.size.active() || !store.sideHeightMotion,
+                    }}
+                    style={{ height: screen.side.terminal.height() }}
+                  >
+                    <Show when={store.sideTerminalPresent}>
+                      <div
+                        data-slot="side-terminal-panel-presence"
+                        data-opened={sideTerminalVisible()}
+                        class="absolute inset-0 rounded-[10px] bg-v2-background-bg-base shadow-[var(--v2-elevation-raised)]"
+                      >
+                        <div data-slot="side-terminal-panel-clip" class="size-full overflow-clip rounded-[10px]">
+                          <TerminalPanel
+                            fill
+                            framed={false}
+                            present={store.sideTerminalPresent}
+                            contentHeight={screen.side.terminal.contentHeight()}
+                          />
+                        </div>
+                      </div>
+                    </Show>
+                  </div>
+                </div>
+              </div>
            </div>
          </Show>
        </div>

-        <Show when={screen.terminal.open() && (!isDesktop() || screen.terminal.bottomOpen())}>
-          <div classList={{ "relative min-h-0 shrink-0": isDesktop() }}>
+        <Show when={bottomTerminalPresence.present() || store.bottomTerminalCached}>
+          <div
+            ref={(element) => setElements("bottomTerminal", element)}
+            data-slot="terminal-panel-presence"
+            data-opened={bottomTerminalVisible()}
+            classList={{
+              hidden: !bottomTerminalPresence.present(),
+              "relative min-h-0 shrink-0": isDesktop(),
+            }}
+          >
            <Show when={isDesktop()}>
-              <div
-                class="absolute z-10 -top-1 left-0 right-0 h-2"
-                onPointerDown={() => screen.size.start()}
-              >
+              <div class="absolute z-10 -top-1 left-0 right-0 h-2" onPointerDown={() => screen.size.start()}>
                <ResizeHandle
                  class="!relative !inset-auto !h-full !w-full !transform-none"
                  direction="vertical"
@@ -231,7 +336,7 @@ export function SessionScreen(props: { session: SessionModel }) {
                />
              </div>
            </Show>
-            <TerminalPanel stacked={isDesktop()} />
+            <TerminalPanel stacked={isDesktop()} present={store.bottomTerminalCached} />
          </div>
        </Show>
      </div>
@@ -0,0 +1,15 @@
+import { describe, expect, test } from "bun:test"
+import { removedSessionIDs } from "./session-domain"
+
+describe("removedSessionIDs", () => {
+  test("includes all descendants without unrelated sessions", () => {
+    const sessions = [
+      { id: "root" },
+      { id: "child", parentID: "root" },
+      { id: "grandchild", parentID: "child" },
+      { id: "other" },
+    ]
+
+    expect([...removedSessionIDs(sessions, "root")]).toEqual(["root", "child", "grandchild"])
+  })
+})
@@ -17,3 +17,19 @@ export function selectVisibleSessionUserMessages(messages: SessionMessageUser[],
  if (!revertMessageID) return messages
  return messages.filter((message) => message.id < revertMessageID)
 }
+
+export function removedSessionIDs(sessions: readonly { id: string; parentID?: string }[], sessionID: string) {
+  const removed = new Set([sessionID])
+  const byParent = Map.groupBy(
+    sessions.filter((session) => session.parentID),
+    (session) => session.parentID!,
+  )
+  const visit = (id: string) =>
+    byParent.get(id)?.forEach((child) => {
+      if (removed.has(child.id)) return
+      removed.add(child.id)
+      visit(child.id)
+    })
+  visit(sessionID)
+  return removed
+}
@@ -18,7 +18,7 @@ import { Terminal } from "@/session/terminal/terminal"
 import { useCommand } from "@/shell/commands/command"
 import { useLanguage } from "@/runtime/i18n/language"
 import { useLayout } from "@/shell/state/layout"
-import { useTerminal } from "@/session/terminal/context"
+import { useTerminal, type LocalPTY } from "@/session/terminal/context"
 import { useWorkspaceLocation } from "@/workspaces/location"
 import { terminalTabLabel } from "@/session/terminal/terminal-label"
 import { createSizing, focusTerminalById } from "@/session/helpers"
@@ -26,7 +26,20 @@ import { getTerminalHandoff, setTerminalHandoff } from "@/session/handoff"
 import { useSessionLayout } from "@/session/session-layout"
 import { TerminalSurface } from "./surface"

-export function TerminalPanel(props: { stacked?: boolean } = {}) {
+const MAX_CACHED_TERMINAL_WORKSPACES = 20
+
+type TerminalBinding = ReturnType<ReturnType<typeof useTerminal>["bind"]>
+type CachedTerminalSurface = {
+  key: string
+  workspace: string
+  pty: LocalPTY
+  ops: TerminalBinding
+  focus: boolean
+}
+
+export function TerminalPanel(
+  props: { stacked?: boolean; fill?: boolean; framed?: boolean; present?: boolean; contentHeight?: string } = {},
+) {
  const layout = useLayout()
  const terminal = useTerminal()
  const sdk = useWorkspaceLocation()
@@ -45,18 +58,26 @@ export function TerminalPanel(props: { stacked?: boolean } = {}) {
  onCleanup(() => terminal.cancelFocus())

  const [store, setStore] = createStore({
-    autoCreated: false,
+    autoCreated: undefined as string | undefined,
    recovered: {} as Record<string, boolean>,
+    surfaces: [] as CachedTerminalSurface[],
+    workspaces: [] as string[],
    view: typeof window === "undefined" ? 1000 : (window.visualViewport?.height ?? window.innerHeight),
  })

  const max = () => store.view * 0.6
  const pane = () => Math.min(height(), max())
  const stacked = createMemo(() => isDesktop() && !!props.stacked)
-  const panelHeight = createMemo(() =>
-    isDesktop() ? (stacked() ? `${pane()}px` : "100%") : opened() ? `${pane()}px` : "0px",
+  const panelHeight = createMemo(() => {
+    if (props.fill) return "100%"
+    if (!opened()) return "0px"
+    if (isDesktop()) return stacked() ? `${pane()}px` : "100%"
+    return `${pane()}px`
+  })
+  const contentHeight = createMemo(
+    () => props.contentHeight ?? (isDesktop() ? (stacked() ? `${pane()}px` : "100%") : `${pane()}px`),
  )
-  const contentHeight = createMemo(() => (isDesktop() ? (stacked() ? `${pane()}px` : "100%") : `${pane()}px`))
+  const present = createMemo(() => opened() || !!props.present)
  const newTerminalKeybind = createMemo(() => command.keybindParts("terminal.new"))

  onMount(() => {
@@ -68,24 +89,29 @@ export function TerminalPanel(props: { stacked?: boolean } = {}) {
    sync()
    makeEventListener(window, "resize", sync)
    if (port) makeEventListener(port, "resize", sync)
+    makeEventListener(document, "focusin", (event) => {
+      if (event.target instanceof Element && event.target.closest("#terminal-panel")) return
+      setStore("surfaces", (surface) => surface.focus, "focus", false)
+    })
  })

  createEffect(() => {
    if (!opened()) {
-      setStore("autoCreated", false)
+      setStore("autoCreated", undefined)
      return
    }

-    if (!terminal.ready() || terminal.all().length !== 0 || store.autoCreated) return
+    const workspace = workspaceKey()
+    if (!terminal.ready() || terminal.all().length !== 0 || store.autoCreated === workspace) return
    terminal.new()
-    setStore("autoCreated", true)
+    setStore("autoCreated", workspace)
  })

  createEffect(
    on(
-      () => terminal.all().length,
-      (count, prevCount) => {
-        if (prevCount === undefined || prevCount <= 0 || count !== 0) return
+      () => [workspaceKey(), terminal.all().length] as const,
+      ([workspace, count], previous) => {
+        if (!previous || previous[0] !== workspace || previous[1] <= 0 || count !== 0) return
        if (!opened()) return
        close()
      },
@@ -97,7 +123,10 @@ export function TerminalPanel(props: { stacked?: boolean } = {}) {
      () => [opened(), terminal.active(), terminal.focusRequested(terminal.active())] as const,
      ([next, id, requested]) => {
        if (!next || !id || !requested) return
-        focusTerminalById(id)
+        requestAnimationFrame(() => {
+          if (!opened() || terminal.active() !== id || !terminal.focusRequested(id)) return
+          focusTerminalById(id)
+        })
      },
    ),
  )
@@ -136,19 +165,44 @@ export function TerminalPanel(props: { stacked?: boolean } = {}) {

  const all = terminal.all

+  createEffect(
+    on(
+      () => [workspaceKey(), terminal.ready(), terminal.active(), terminal.all()] as const,
+      ([workspace, ready, active, ptys]) => {
+        if (!ready) return
+
+        const ids = new Set(ptys.map((pty) => pty.id))
+        const surfaces = store.surfaces.filter((surface) => surface.workspace !== workspace || ids.has(surface.pty.id))
+        const pty = ptys.find((item) => item.id === active)
+        const key = pty ? `${workspace}\0${pty.id}` : undefined
+        if (pty && key && !surfaces.some((surface) => surface.key === key)) {
+          surfaces.push({ key, workspace, pty, ops: terminal.bind(), focus: terminal.focusRequested(pty.id) })
+        }
+
+        const workspaces = [...store.workspaces.filter((item) => item !== workspace), workspace].slice(
+          -MAX_CACHED_TERMINAL_WORKSPACES,
+        )
+        const keep = new Set(workspaces)
+        setStore({ surfaces: surfaces.filter((surface) => keep.has(surface.workspace)), workspaces })
+      },
+    ),
+  )
+
  const recoverTerminal = (key: string, id: string, clone: (id: string) => Promise<void>) => {
    if (store.recovered[key]) return
    setStore("recovered", key, true)
    void clone(id)
  }

-  const terminalRecoveryKey = (pty: { id: string; title: string; titleNumber: number }) => {
-    return String(pty.titleNumber || pty.title || pty.id)
-  }
-
  const markTerminalConnected = (key: string, id: string, trim: (id: string) => void) => {
    setStore("recovered", key, false)
    trim(id)
+    const index = store.surfaces.findIndex((surface) => surface.key === key)
+    if (!store.surfaces[index]?.focus) return
+    setStore("surfaces", index, "focus", false)
+    if (!opened() || terminal.active() !== id) return
+    focusTerminalById(id)
+    terminal.consumeFocus(id)
  }

  const handleTerminalDragEnd = () => {
@@ -167,6 +221,8 @@ export function TerminalPanel(props: { stacked?: boolean } = {}) {
      }}
      label={language.t("terminal.title")}
      opened={opened()}
+      present={present()}
+      framed={props.framed}
      desktop={isDesktop()}
      stacked={stacked()}
      height={panelHeight()}
@@ -182,7 +238,7 @@ export function TerminalPanel(props: { stacked?: boolean } = {}) {
      onCollapse={close}
    >
      <Show
-        when={terminal.ready()}
+        when={terminal.ready() || store.surfaces.length > 0}
        fallback={
          <div class="flex flex-col h-full pointer-events-none">
            <div class="h-10 flex items-center gap-2 px-2 border-b border-border-weaker-base bg-v2-background-bg-base overflow-hidden">
@@ -268,34 +324,35 @@ export function TerminalPanel(props: { stacked?: boolean } = {}) {
              </Tabs.List>
            </Tabs>
            <div class="flex-1 min-h-0 relative">
-              <Show when={opened() && terminal.active()} keyed>
-                {(id) => {
-                  const ops = terminal.bind()
-                  return (
-                    <Show when={all().find((pty) => pty.id === id)}>
-                      {(pty) => (
-                        <div id={`terminal-wrapper-${id}`} class="absolute inset-0">
-                          <Terminal
-                            pty={pty()}
-                            autoFocus={terminal.focusRequested(id)}
-                            onAutoFocus={() => terminal.consumeFocus(id)}
-                            class="!px-[14px]"
-                            onConnect={() =>
-                              markTerminalConnected(terminalRecoveryKey(pty()), id, (terminalID) =>
-                                ops.trim(terminalID),
-                              )
-                            }
-                            onCleanup={(terminal) => ops.update(terminal)}
-                            onConnectError={() =>
-                              recoverTerminal(terminalRecoveryKey(pty()), id, (terminalID) => ops.clone(terminalID))
-                            }
-                          />
-                        </div>
-                      )}
-                    </Show>
-                  )
-                }}
-              </Show>
+              <For each={store.surfaces}>
+                {(surface) => (
+                  <div
+                    id={`terminal-wrapper-${surface.pty.id}`}
+                    class="absolute inset-0"
+                    classList={{
+                      hidden:
+                        !present() || surface.workspace !== workspaceKey() || surface.pty.id !== terminal.active(),
+                    }}
+                  >
+                    <Terminal
+                      pty={surface.pty}
+                      autoFocus={terminal.focusRequested(surface.pty.id)}
+                      onAutoFocus={() => {
+                        focusTerminalById(surface.pty.id)
+                        terminal.consumeFocus(surface.pty.id)
+                      }}
+                      class="!px-[14px]"
+                      onConnect={() =>
+                        markTerminalConnected(surface.key, surface.pty.id, (terminalID) => surface.ops.trim(terminalID))
+                      }
+                      onCleanup={(terminal) => surface.ops.update(terminal)}
+                      onConnectError={() =>
+                        recoverTerminal(surface.key, surface.pty.id, (terminalID) => surface.ops.clone(terminalID))
+                      }
+                    />
+                  </div>
+                )}
+              </For>
            </div>
          </div>
        </DragDropProvider>
@@ -5,6 +5,8 @@ export function TerminalSurface(
  props: ParentProps<{
    label: string
    opened: boolean
+    present?: boolean
+    framed?: boolean
    desktop: boolean
    stacked: boolean
    height: string
@@ -22,6 +24,9 @@ export function TerminalSurface(
    <aside
      ref={props.ref}
      id="terminal-panel"
+      data-component="terminal-panel"
+      data-opened={props.opened}
+      data-size-animated={!props.resizing && (!props.desktop || props.stacked)}
      role="region"
      aria-label={props.label}
      aria-hidden={!props.opened}
@@ -29,13 +34,12 @@ export function TerminalSurface(
      class="relative shrink-0 overflow-hidden bg-v2-background-bg-base"
      classList={{
        "w-full": !props.desktop || props.stacked,
-        "min-w-0 h-full flex-1": props.desktop && props.opened && !props.stacked,
-        "w-0 h-full pointer-events-none": props.desktop && !props.opened,
-        "rounded-[10px] shadow-[var(--v2-elevation-raised)]": props.desktop,
-        "transition-[height] duration-200 ease-[cubic-bezier(0.22,1,0.36,1)] will-change-[height] motion-reduce:transition-none":
-          !props.desktop && !props.resizing,
+        "min-w-0 h-full flex-1": props.desktop && (props.present ?? props.opened) && !props.stacked,
+        "w-0 h-full pointer-events-none": props.desktop && !(props.present ?? props.opened),
+        "rounded-[10px] shadow-[var(--v2-elevation-raised)]": props.desktop && (props.framed ?? true),
+        "will-change-[height]": !props.resizing && (!props.desktop || props.stacked),
      }}
-      style={{ height: props.height }}
+      style={{ height: props.height, "--terminal-panel-height": props.contentHeight }}
    >
      <div classList={{ "md:hidden": !props.stacked, hidden: props.stacked }} onPointerDown={props.onResizeStart}>
        <ResizeHandle
@@ -50,7 +54,8 @@ export function TerminalSurface(
        />
      </div>
      <div
-        class="absolute inset-0 flex flex-col overflow-hidden"
+        data-slot="terminal-panel-content"
+        class="absolute inset-x-0 top-0 flex flex-col overflow-hidden"
        classList={{
          "border-t border-border-weak-base": props.opened && !props.desktop,
          "pointer-events-none": !props.opened,
@@ -347,9 +347,9 @@ export const Terminal = (props: TerminalProps) => {
  const focusTerminal = () => {
    const t = term
    if (!t) return
-    t.focus()
-    t.textarea?.focus()
-    setTimeout(() => t.textarea?.focus(), 0)
+    const focus = () => (t.textarea ? t.textarea.focus({ preventScroll: true }) : t.focus())
+    focus()
+    setTimeout(focus, 0)
  }
  const handlePointerDown = () => {
    const activeElement = document.activeElement
@@ -31,19 +31,3 @@ export function timelineChildTitle(input: {
  if (input.taskDescription) return input.taskDescription
  return input.title?.replace(/\s+\(@[^)]+ subagent\)$/, "") || input.fallback
 }
-
-export function timelineRemovedSessionIDs(sessions: readonly { id: string; parentID?: string }[], sessionID: string) {
-  const removed = new Set([sessionID])
-  const byParent = Map.groupBy(
-    sessions.filter((session) => session.parentID),
-    (session) => session.parentID!,
-  )
-  const visit = (id: string) =>
-    byParent.get(id)?.forEach((child) => {
-      if (removed.has(child.id)) return
-      removed.add(child.id)
-      visit(child.id)
-    })
-  visit(sessionID)
-  return removed
-}
@@ -11,17 +11,13 @@ import { useSettings } from "@/settings/model"
 import { useWorkspaceLocation } from "@/workspaces/location"
 import { useTabs } from "@/shell/tabs/tabs"
 import type { SessionModel } from "@/session/model"
+import { removedSessionIDs } from "@/session/session-domain"
 import { useServerSDK } from "@/runtime/server/client"
 import { sessionHref } from "@/shell/routes/session"
 import { sessionTitle } from "@/session/title"
 import { downloadSessionExport, fetchSessionExport, sessionExportFilename } from "@/session/commands/export"
 import { showToast } from "@/shell/notifications/toast"
-import {
-  applyTimelineMessageHandoff,
-  timelineChildTitle,
-  timelineRemovedSessionIDs,
-  visibleTimelineMessages,
-} from "./controller-projection"
+import { applyTimelineMessageHandoff, timelineChildTitle, visibleTimelineMessages } from "./controller-projection"
 import { createTimelineProjection } from "./projection"
 import { useServer } from "@/runtime/server/current"
 import { getSessionMessageHandoff } from "@/session/handoff"
@@ -171,7 +167,7 @@ export function createTimelineController(input: { session: TimelineSessionSource
        return false
      })
    if (!success) return false
-    const removed = timelineRemovedSessionIDs(data.session.list(), id)
+    const removed = removedSessionIDs(data.session.list(), id)
    void navigateAfterRemoval(id, session.parentID, next?.id)
    notifySessionTabsRemoved({ server: server.key, directory: sdk().directory, sessionIDs: [...removed] })
    return true
@@ -499,7 +499,7 @@ function MessageTimelineView(
            data-component="session-background-hint-row"
            classList={{
              "min-w-0 w-full max-w-full": true,
-              "md:max-w-200 2xl:max-w-[1000px] md:mx-auto": props.centered,
+              "md:max-w-[1000px] md:mx-auto": props.centered,
            }}
          >
            <div
@@ -724,6 +724,8 @@
  display: flex;
  flex-direction: column;
  gap: 0;
+  max-height: 480px;
+  overflow-y: auto;
  padding: 20px;
  border-radius: 6px;
  background-color: var(--v2-background-bg-base);
@@ -885,6 +887,8 @@
  }

  .settings-workspaces-inventory [data-component="settings-list"] {
+    max-height: none;
+    overflow-y: visible;
    padding: 14px;
  }

@@ -0,0 +1,93 @@
+import { onCleanup } from "solid-js"
+
+const FOCUS_LOCK = "opencode:notification-focus"
+const MAX_CLAIMED = 500
+
+export function createNotificationCoordinator() {
+  const locks = typeof navigator === "undefined" ? undefined : navigator.locks
+  const claimed = new Set<string>()
+  const focus = { pending: false, release: undefined as (() => void) | undefined }
+
+  const updateFocus = () => {
+    if (typeof document === "undefined" || !document.hasFocus()) {
+      focus.release?.()
+      return
+    }
+    if (!locks || focus.pending || focus.release) return
+
+    focus.pending = true
+    void locks
+      .request(FOCUS_LOCK, { mode: "shared" }, async () => {
+        focus.pending = false
+        if (!document.hasFocus()) return
+        await new Promise<void>((resolve) => {
+          focus.release = resolve
+        })
+        focus.release = undefined
+      })
+      .catch(() => {
+        focus.pending = false
+      })
+  }
+
+  if (typeof window !== "undefined") {
+    window.addEventListener("focus", updateFocus)
+    window.addEventListener("blur", updateFocus)
+    document.addEventListener("visibilitychange", updateFocus)
+    updateFocus()
+    onCleanup(() => {
+      window.removeEventListener("focus", updateFocus)
+      window.removeEventListener("blur", updateFocus)
+      document.removeEventListener("visibilitychange", updateFocus)
+      focus.release?.()
+    })
+  }
+
+  const once = async (kind: "sound" | "system", eventID: string, run: () => Promise<unknown> | void) => {
+    const key = `${kind}:${eventID}`
+    const execute = async () => {
+      if (!claim(kind, key, claimed)) return
+      await run()
+    }
+    if (!locks) return execute()
+    await locks.request(`opencode:notification:${key}`, execute)
+  }
+
+  return {
+    sound(eventID: string, run: () => Promise<unknown> | void) {
+      return once("sound", eventID, run)
+    },
+    system(eventID: string, run: () => Promise<unknown> | void) {
+      return once("system", eventID, async () => {
+        if (typeof document !== "undefined" && document.hasFocus()) return
+        if (!locks) return run()
+        await locks.request(FOCUS_LOCK, { mode: "exclusive", ifAvailable: true }, async (lock) => {
+          if (!lock) return
+          await run()
+        })
+      })
+    },
+  }
+}
+
+function claim(kind: "sound" | "system", eventID: string, claimed: Set<string>) {
+  if (claimed.has(eventID)) return false
+
+  if (typeof localStorage !== "undefined") {
+    try {
+      const storageKey = `opencode:notification-${kind}`
+      const value: unknown = JSON.parse(localStorage.getItem(storageKey) ?? "[]")
+      const events = Array.isArray(value) ? value.filter((item): item is string => typeof item === "string") : []
+      if (events.includes(eventID)) {
+        claimed.add(eventID)
+        return false
+      }
+      localStorage.setItem(storageKey, JSON.stringify([...events, eventID].slice(-MAX_CLAIMED)))
+    } catch {
+      // The in-memory claim still prevents duplicates in this renderer when storage is unavailable.
+    }
+  }
+
+  claimed.add(eventID)
+  return true
+}
@@ -10,9 +10,10 @@ import { useSettings } from "@/settings/model"
 import { decode64 } from "@/runtime/persistence/base64"
 import { Persist, persisted } from "@/runtime/persistence/storage"
 import { playSoundById } from "@/shell/notifications/sound"
+import type { createNotificationCoordinator } from "@/shell/notifications/coordinator"
 import { useGlobal } from "@/runtime/server/runtime"
 import { ServerConnection, useServers } from "@/runtime/server/registry"
-import { type DraftTab, useTabs } from "@/shell/tabs/tabs"
+import { sessionIDHasOpenTab, useTabs } from "@/shell/tabs/tabs"
 import { requireServerKey, sessionHref } from "@/shell/routes/session"
 import type { ServerScope } from "@/runtime/server/scope"
 import { useServer } from "@/runtime/server/current"
@@ -108,10 +109,16 @@ function buildNotificationIndex(list: Notification[]) {
  return index
 }

-export function createServerNotificationState(input: { sdk: ServerSDK; data: Data; key: ServerConnection.Key }) {
+export function createServerNotificationState(input: {
+  sdk: ServerSDK
+  data: Data
+  key: ServerConnection.Key
+  coordinator: ReturnType<typeof createNotificationCoordinator>
+}) {
  const platform = usePlatform()
  const settings = useSettings()
  const language = useLanguage()
+  const tabs = useTabs()
  const empty: Notification[] = []

  const [store, setStore, _, ready] = persisted(
@@ -215,14 +222,17 @@ export function createServerNotificationState(input: { sdk: ServerSDK; data: Dat
    dispatchEvent(new PopStateEvent("popstate"))
  }

-  const handleSessionIdle = (sessionID: string, time: number) => {
+  const handleSessionIdle = (sessionID: string, eventID: string, time: number) => {
    void lookup(sessionID).then((session) => {
      if (meta.disposed) return
      if (!session) return
      if (session.parentID) return

-      if (settings.sounds.agentEnabled()) {
-        void playSoundById(settings.sounds.agent())
+      if (
+        sessionIDHasOpenTab(tabs.store, input.key, sessionID) &&
+        settings.sounds.agentEnabled()
+      ) {
+        void input.coordinator.sound(`${input.key}\0${eventID}`, () => playSoundById(settings.sounds.agent()))
      }

      append({
@@ -235,8 +245,10 @@ export function createServerNotificationState(input: { sdk: ServerSDK; data: Dat

      const href = sessionHref(input.key, sessionID)
      if (settings.notifications.agent()) {
-        void platform.notify(language.t("notification.session.responseReady.title"), session.title ?? sessionID, () =>
-          navigate(href),
+        void input.coordinator.system(`${input.key}\0${eventID}`, () =>
+          platform.notify(language.t("notification.session.responseReady.title"), session.title ?? sessionID, () =>
+            navigate(href),
+          ),
        )
      }
    })
@@ -245,14 +257,18 @@ export function createServerNotificationState(input: { sdk: ServerSDK; data: Dat
  const handleSessionError = (
    sessionID: string,
    error: ErrorNotification["error"],
+    eventID: string,
    time: number,
  ) => {
    void lookup(sessionID).then((session) => {
      if (meta.disposed) return
      if (session?.parentID) return

-      if (settings.sounds.errorsEnabled()) {
-        void playSoundById(settings.sounds.errors())
+      if (
+        sessionIDHasOpenTab(tabs.store, input.key, sessionID) &&
+        settings.sounds.errorsEnabled()
+      ) {
+        void input.coordinator.sound(`${input.key}\0${eventID}`, () => playSoundById(settings.sounds.errors()))
      }

      append({
@@ -268,7 +284,9 @@ export function createServerNotificationState(input: { sdk: ServerSDK; data: Dat
        (typeof error === "string" ? error : language.t("notification.session.error.fallbackDescription"))
      const href = sessionHref(input.key, sessionID)
      if (settings.notifications.errors()) {
-        void platform.notify(language.t("notification.session.error.title"), description, () => navigate(href))
+        void input.coordinator.system(`${input.key}\0${eventID}`, () =>
+          platform.notify(language.t("notification.session.error.title"), description, () => navigate(href)),
+        )
      }
    })
  }
@@ -278,10 +296,10 @@ export function createServerNotificationState(input: { sdk: ServerSDK; data: Dat

    const time = Date.now()
    if (event.type === "session.execution.failed") {
-      handleSessionError(event.data.sessionID, event.data.error, time)
+      handleSessionError(event.data.sessionID, event.data.error, event.id, time)
      return
    }
-    handleSessionIdle(event.data.sessionID, time)
+    handleSessionIdle(event.data.sessionID, event.id, time)
  })
  onCleanup(() => {
    meta.disposed = true
@@ -1,6 +1,7 @@
 import { DataProvider } from "@opencode-ai/session-ui/context"
 import { useNavigate, useParams } from "@solidjs/router"
 import { createMemo, type ParentProps } from "solid-js"
+import { useProviders } from "@/providers/catalog/providers"
 import { LocalProvider } from "@/providers/models/selection"
 import type { ServerConnection } from "@/runtime/server/registry"
 import { sessionHref } from "@/shell/routes/session"
@@ -30,7 +31,11 @@ export function SessionUIProvider(
    await data.session.sync(sessionID).catch(() => undefined)
    navigate(href(sessionID))
  }
+  const providers = useProviders(directory)
  const sessionUIData = createMemo(() => ({
+    provider: providers.ready()
+      ? { all: providers.all(), default: providers.default(), connected: providers.connected().map((item) => item.id) }
+      : undefined,
    session: data.session.list(),
    session_status: Object.fromEntries(
      data.session
@@ -2,7 +2,7 @@ import { describe, expect, test } from "bun:test"
 import { createRoot, getOwner, onCleanup } from "solid-js"
 import { createTabMemory } from "./memory"
 import { nextTabAfterClose, pushClosedTab, removeClosedTabs, takeClosedTab, type ClosedTab } from "./closed"
-import { tabHref, tabKey, type SessionTab, type Tab } from "./tabs"
+import { sessionIDHasOpenTab, tabHref, tabKey, type SessionTab, type Tab } from "./tabs"
 import { migrateTabs } from "./migration"
 import type { ServerConnection } from "@/runtime/server/registry"

@@ -47,6 +47,15 @@ test("session tab identity stays rooted while its href follows the child route",
  expect(tabHref(child)).toContain("/session/child")
 })

+test("finds open root and routed session tabs", () => {
+  const tabs = [{ ...sessionTab("root"), routeSessionId: "child" }]
+
+  expect(sessionIDHasOpenTab(tabs, server, "root")).toBe(true)
+  expect(sessionIDHasOpenTab(tabs, server, "child")).toBe(true)
+  expect(sessionIDHasOpenTab(tabs, server, "closed")).toBe(false)
+  expect(sessionIDHasOpenTab(tabs, "other" as ServerConnection.Key, "root")).toBe(false)
+})
+
 describe("tab memory", () => {
  test("keeps state until its tab is removed", () => {
    createRoot((dispose) => {
@@ -51,11 +51,15 @@ export const tabKey = (tab: Tab) =>
  tab.type === "draft" ? `draft:${tab.draftID}` : `${tab.server}\n${sessionHref(tab.server, tab.sessionId)}`

 export function sessionHasOpenTab(tabs: Tab[], server: ServerConnection.Key, session: SessionInfo) {
+  return sessionIDHasOpenTab(tabs, server, session.id)
+}
+
+export function sessionIDHasOpenTab(tabs: Tab[], server: ServerConnection.Key, sessionID: string) {
  return tabs.some(
    (tab) =>
      tab.type === "session" &&
      tab.server === server &&
-      (tab.sessionId === session.id || tab.routeSessionId === session.id),
+      (tab.sessionId === sessionID || tab.routeSessionId === sessionID),
  )
 }

@@ -225,20 +225,23 @@ export const { use: useFile, provider: FileProvider } = createSimpleContext({
          },
        )

-    const stop = sdk().event.on("filesystem.changed", (event) => {
-      invalidateFromWatcher(event, {
-        normalize: path.normalize,
-        hasFile: (file) => Boolean(store.file[file]),
-        isOpen: (file) => tabs.all().some((tab) => path.pathFromTab(tab) === file),
-        loadFile: (file) => {
-          void load(file, { force: true })
-        },
-        node: tree.node,
-        isDirLoaded: tree.isLoaded,
-        refreshDir: (dir) => {
-          void tree.listDir(dir, { force: true })
-        },
+    createEffect(() => {
+      const stop = sdk().event.on("filesystem.changed", (event) => {
+        invalidateFromWatcher(event, {
+          normalize: path.normalize,
+          hasFile: (file) => Boolean(store.file[file]),
+          isOpen: (file) => tabs.all().some((tab) => path.pathFromTab(tab) === file),
+          loadFile: (file) => {
+            void load(file, { force: true })
+          },
+          node: tree.node,
+          isDirLoaded: tree.isLoaded,
+          refreshDir: (dir) => {
+            void tree.listDir(dir, { force: true })
+          },
+        })
      })
+      onCleanup(stop)
    })

    const get = (input: string) => {
@@ -266,7 +269,6 @@ export const { use: useFile, provider: FileProvider } = createSimpleContext({
      withPath(input, (file) => view().setSelectedLines(file, range))

    onCleanup(() => {
-      stop()
      viewCache.clear()
    })

@@ -185,7 +185,11 @@ async function compileExecutable(item: (typeof allTargets)[number]) {
    headers: { Accept: "application/octet-stream", ...(token ? { Authorization: `Bearer ${token}` } : {}) },
  })
  if (!response.ok) throw new Error(`Failed to download ${name} from Bun release ${release}: ${response.status}`)
-  await Bun.write(archive, response)
+  // Stream to disk instead of `Bun.write(archive, response)`: passing the Response object
+  // hangs forever if it gets GC'd mid-download (https://github.com/oven-sh/bun/issues/40278).
+  const sink = Bun.file(archive).writer()
+  for await (const chunk of response.body!) await sink.write(chunk)
+  await sink.end()
  await $`unzip -oq ${archive} -d ${cache}`
  await rm(archive)
  return executable
@@ -4,7 +4,7 @@
  "compilerOptions": {
    "jsx": "preserve",
    "jsxImportSource": "@opentui/solid",
-    "lib": ["ESNext", "DOM", "DOM.Iterable"],
+    "lib": ["ESNext", "DOM", "DOM.Iterable", "DOM.AsyncIterable"],
    "noUncheckedIndexedAccess": false
  },
  "exclude": ["dist", "dist-node"]
@@ -37,7 +37,7 @@
    "@opencode-ai/protocol": "workspace:*"
  },
  "peerDependencies": {
-    "effect": "4.0.0-rc.110",
+    "effect": "4.0.0-rc.111",
    "solid-js": ">=1.9.0"
  },
  "peerDependenciesMeta": {
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Brendan Allan	d9a81483a4	fix(desktop): use configured notification sounds	2026-08-24 13:36:41 +08:00
Brendan Allan	8361fc274c	fix(app): suppress notifications while focused	2026-08-24 13:31:29 +08:00
Aiden Cline	e63aba48bc	fix(ai): reconcile reasoning finals that arrive without deltas (#44595 )	2026-08-24 00:29:23 -05:00
Brendan Allan	297f5298cc	fix(app): deduplicate notification sounds across tabs (#44612 )	2026-08-24 05:26:57 +00:00
opencode-agent[bot]andBrendonovich	7102c487c9	fix(app): sync project list between windows (#44600 ) Co-authored-by: Brendonovich <14191578+Brendonovich@users.noreply.github.com>	2026-08-24 12:59:50 +08:00
opencode-agent[bot]andBrendonovich	d8f59d312b	feat(desktop): hide local server from projects (#44598 ) Co-authored-by: Brendonovich <14191578+Brendonovich@users.noreply.github.com>	2026-08-24 12:58:53 +08:00
opencode-agent[bot]andBrendonovich	b23e4c3118	fix(app): cap workspace settings list height (#44603 ) Co-authored-by: Brendonovich <14191578+Brendonovich@users.noreply.github.com>	2026-08-24 12:57:30 +08:00
opencode-agent[bot]andBrendonovich	1c03f08512	fix(desktop): copy IDs through native clipboard (#44599 ) Co-authored-by: Brendonovich <14191578+Brendonovich@users.noreply.github.com>	2026-08-24 12:54:28 +08:00
Michael HartandBrendan Allan	3eb07e38ae	fix(app): use a deletable cursor for draft blob cleanup (#44594 ) Co-authored-by: Brendan Allan <git@brendonovich.dev>	2026-08-24 12:53:39 +08:00
Aiden Cline	299e314a28	fix(ai): passthrough anthropic top-level body fields (#44604 )	2026-08-23 23:47:17 -05:00
Aiden Cline	76027fe3da	fix(ai): expand anthropic media lowering to match SDK (#44593 )	2026-08-23 23:12:28 -05:00
Aiden Cline	8b65bd53bf	fix(ai): drop invalid item ids when replaying responses history (#44587 )	2026-08-23 23:08:16 -05:00
Aiden Cline	1dee7e05b5	fix(ai): support disable_parallel_tool_use and send beta query (#44583 )	2026-08-23 22:47:56 -05:00
opencode-agent[bot]andBrendonovich	89026373bb	fix(desktop): ignore late draft flushes (#44584 ) Co-authored-by: Brendonovich <14191578+Brendonovich@users.noreply.github.com>	2026-08-24 11:47:08 +08:00
opencode-agent[bot]	1ea4584f67	chore: update nix node_modules hashes	2026-08-24 03:41:11 +00:00
Aiden Cline	89a51a088a	fix(ai): ignore orphan response deltas (#44575 )	2026-08-23 22:37:44 -05:00
usrnk1andLukeParkerDev	3f807d8836	feat(desktop): add home session actions (#43245 ) Co-authored-by: LukeParkerDev <10430890+Hona@users.noreply.github.com>	2026-08-24 13:18:03 +10:00
Aiden Cline	4876f416cc	fix(ai): fail loudly on missing anthropic tool_use id (#44569 )	2026-08-23 21:56:39 -05:00
Luke Parker	dbc178c3cc	fix: add DOM.AsyncIterable lib so ReadableStream iteration typechecks (#44580 )	2026-08-24 02:26:54 +00:00
opencode-agent[bot]	73974dc668	chore: update nix node_modules hashes	2026-08-24 02:18:31 +00:00
Kit Langton	1593479454	chore(core): upgrade drizzle orm to rc5 (#44573 )	2026-08-23 21:56:02 -04:00
Kit Langton	971681c567	fix(image): degrade photon resizer load failure to typed error on workerd (#43894 )	2026-08-23 21:44:01 -04:00
Luke Parker	378a7b7be1	fix: stream Bun runtime downloads to disk to avoid Bun.write GC hang (#44572 )	2026-08-24 11:22:42 +10:00
Aiden Cline	6d57667168	fix(ai): clamp prompt_cache_key to 64 chars for all chat protocols (#44571 )	2026-08-23 20:21:15 -05:00
Aiden Cline	d4935360c5	fix(ai): keep stateless hosted tool results and tolerate WS keepalives (#44488 )	2026-08-23 20:19:14 -05:00
Aiden Cline	89281dcd01	fix(ai): preserve display on enabled thinking (#44544 )	2026-08-23 20:05:30 -05:00
Aiden Cline	9f9184b002	fix(ai): preserve OpenAI tool schemas (#44546 )	2026-08-23 20:05:06 -05:00
Kit Langton	c6f4fa0d1f	fix(core): never build fff index for workspace locations (#44563 )	2026-08-24 01:00:27 +00:00
Kit Langton	c505c91438	fix(codemode): package conditional transpilers (#44565 )	2026-08-23 20:50:39 -04:00
Kit Langton	8887c2ffa9	fix(core): skip host realpath canonicalization for workspace locations (#44564 )	2026-08-23 20:50:29 -04:00
opencode-agent[bot]	ddaf9ff433	chore: update nix node_modules hashes	2026-08-24 00:35:01 +00:00
usrnk1andLukeParkerDev	d3e5d6d268	feat(desktop): add model change notices (#43288 ) Co-authored-by: LukeParkerDev <10430890+Hona@users.noreply.github.com>	2026-08-24 00:17:35 +00:00
Kit Langton	f9bc948912	fix(core): skip local liveness check for workspace locations (#44560 )	2026-08-23 20:17:04 -04:00
opencode-agent[bot]	6f238feeff	chore: update nix node_modules hashes	2026-08-24 00:07:29 +00:00
Kit Langton	e867a21ea5	feat(core): decouple workspace identity from provisioning (#44526 )	2026-08-23 23:49:51 +00:00
Luke Parker	64c0411edb	fix(session-ui): align tool error card with figma (#44543 )	2026-08-23 23:31:45 +00:00
opencode-agent[bot]andrekram1-node	7da10aa65d	fix(ai): retry detail-free response errors (#44537 ) Co-authored-by: rekram1-node <rekram1-node@users.noreply.github.com>	2026-08-23 17:39:55 -05:00
Luke Parker	d80b0a1e7e	fix(desktop): reconnect to elected service (#44369 )	2026-08-24 08:27:04 +10:00
opencode-agent[bot]	481125f617	chore: update nix node_modules hashes	2026-08-23 22:15:43 +00:00
Kit Langton	59d0d64a6b	chore: upgrade Effect to rc.111 (#44518 )	2026-08-23 18:01:44 -04:00
opencode-agent[bot]andthdxr	e0cdf1ed09	fix(tui): restore global prompt history (#44416 ) Co-authored-by: thdxr <thdxr@users.noreply.github.com>	2026-08-23 17:53:16 -04:00
Kit Langton	9e50d76416	fix(codegen): write prettier-stable schema snapshot (#43985 )	2026-08-23 17:34:47 -04:00
Dax	771c0f5850	fix(core): avoid stale MCP OAuth snapshots destroying rotated credentials (#44527 )	2026-08-23 17:02:51 -04:00
Kit Langton	b1a0ef91bb	refactor(core): use FiberMap for title generation (#44519 )	2026-08-23 16:22:43 -04:00
Kit Langton	2e67cee75b	fix(tui): recover from terminal forms (#44516 )	2026-08-23 16:21:28 -04:00
opencode-agent[bot]andrekram1-node	890735c1d7	feat(plugin): expose tool input schema (#44510 ) Co-authored-by: rekram1-node <rekram1-node@users.noreply.github.com>	2026-08-23 14:19:57 -05:00
Aiden Cline	049f0b0c3b	fix(ai): handle additional usage locations and tool history for OpenAI Chat (#44502 )	2026-08-23 13:48:30 -05:00
Aiden Cline	6020f36862	fix(ai): handle anthropic error events and ping frames (#44500 )	2026-08-23 13:45:21 -05:00
Simon Klee	0d24ebdbbe	tui: preserve selection after copy (#44496 ) Copy-on-select reset the click counter, so a third click could not select the full line. Keep the selection after copying to preserve multi-click input.	2026-08-23 20:40:19 +02:00
opencode-agent[bot]andrekram1-node	b22c182406	fix(ai): preserve inline file data URLs (#44499 ) Co-authored-by: rekram1-node <63023139+rekram1-node@users.noreply.github.com>	2026-08-23 13:39:38 -05:00
Aiden Cline	c7f2f367e3	refactor(ai): remove deprecated local shell (#44497 )	2026-08-23 13:36:10 -05:00
Aiden Cline	ccd2135e7a	fix(ai): tolerate explicit nulls in Gemini stream payloads (#44490 )	2026-08-23 13:17:13 -05:00
Brendan Allan	c7c22b9d7e	fix(app): stabilize pane transitions (#44484 )	2026-08-23 17:59:00 +00:00
Aiden Cline	67e99993f5	fix(ai): align Responses compatibility (#44482 )	2026-08-23 12:53:14 -05:00
Brendan Allan	be6abc02b5	fix(app): preserve session panes across navigation (#44477 )	2026-08-23 17:37:24 +00:00
Aiden Cline	e012a57d1d	fix(ai): harden Gemini tool call id handling on Vertex and duplicate streams (#44454 )	2026-08-23 12:31:30 -05:00
Brendan Allan	697e3e13cc	fix(app): simplify session max width (#44468 )	2026-08-24 01:01:11 +08:00