feat(browser-extension): attach images in the side panel composer

The composer only sent text. Images can now be pasted, dropped, or picked with a + button; they show as removable thumbnails above the text and are sent inline as data URLs (like the desktop composer), with or without text. PNG, JPEG, GIF, and WebP up to 20 MB; attachments are kept per draft and restored if sending fails. Verified: typecheck, build, lint; headless panel against the live service pasted an image, sent it with a prompt to a new conversation (the model answered, the timeline showed the thumbnail), then the test conversation was deleted.
fix(session-ui): show pasted images that have an inline mention
2026-10-03 22:16:22 +00:00 · 2026-10-03 16:23:08 -04:00 · 2026-10-03 16:23:08 -04:00 · 2026-10-03 15:55:29 -04:00 · 2026-10-03 15:00:36 -04:00 · 2026-10-02 20:38:40 -04:00
661 changed files with 19109 additions and 5220 deletions
@@ -2,9 +2,9 @@ name: nix-eval

 on:
  push:
-    branches: [dev, v2]
+    branches: [dev]
  pull_request:
-    branches: [dev, v2]
+    branches: [dev]
  workflow_dispatch:

 concurrency:
@@ -110,6 +110,31 @@
        "vite-plugin-solid": "2.11.14",
      },
    },
+    "packages/browser-extension": {
+      "name": "@opencode/browser-extension",
+      "version": "2.0.22",
+      "dependencies": {
+        "@opencode/client": "workspace:*",
+        "@opencode/plugin-browser": "workspace:*",
+        "@opencode/session-ui": "workspace:*",
+        "@opencode/ui": "workspace:*",
+        "effect": "catalog:",
+        "solid-js": "catalog:",
+      },
+      "devDependencies": {
+        "@opencode/plugin": "workspace:*",
+        "@tailwindcss/vite": "4.3.3",
+        "@tsconfig/node22": "catalog:",
+        "@types/bun": "catalog:",
+        "@types/chrome": "0.3.4",
+        "@typescript/native-preview": "catalog:",
+        "devtools-protocol": "0.0.1687809",
+        "tailwindcss": "catalog:",
+        "typescript": "catalog:",
+        "vite": "8.2.2",
+        "vite-plugin-solid": "2.11.14",
+      },
+    },
    "packages/cli": {
      "name": "@opencode/cli",
      "version": "2.0.22",
@@ -122,7 +147,7 @@
        "@clack/core": "1.0.0-alpha.1",
        "@clack/prompts": "1.0.0-alpha.1",
        "@effect/platform-node": "catalog:",
-        "@opencode-ai/pty": "0.2.0",
+        "@opencode-ai/pty": "0.1.13",
        "@opencode/client": "workspace:*",
        "@opencode/plugin": "workspace:*",
        "@opencode/schema": "workspace:*",
@@ -195,7 +220,7 @@
        "zod": "catalog:",
      },
      "peerDependencies": {
-        "effect": "4.0.0-rc.118",
+        "effect": "4.0.0-rc.112",
        "solid-js": ">=1.9.0",
      },
      "optionalPeers": [
@@ -355,7 +380,7 @@
        "@lydell/node-pty": "catalog:",
        "@modelcontextprotocol/client": "2.0.0",
        "@modelcontextprotocol/core": "2.0.0",
-        "@opencode-ai/pty": "0.2.0",
+        "@opencode-ai/pty": "0.1.13",
        "@opencode/ai": "workspace:*",
        "@opencode/codemode": "workspace:*",
        "@opencode/plugin": "workspace:*",
@@ -365,7 +390,7 @@
        "@parcel/watcher": "2.5.1",
        "@silvia-odwyer/photon-node": "0.3.4",
        "@standard-schema/spec": "catalog:",
-        "bun-pty": "0.4.9",
+        "bun-pty": "0.4.8",
        "diff": "catalog:",
        "drizzle-orm": "catalog:",
        "effect": "catalog:",
@@ -407,7 +432,6 @@
        "@types/node": "catalog:",
        "@types/which": "3.0.4",
        "drizzle-kit": "catalog:",
-        "fast-check": "catalog:",
      },
    },
    "packages/desktop": {
@@ -557,7 +581,7 @@
      "name": "@opencode/http-recorder",
      "version": "2.0.22",
      "dependencies": {
-        "@effect/platform-node-shared": "4.0.0-rc.118",
+        "@effect/platform-node-shared": "4.0.0-rc.112",
      },
      "devDependencies": {
        "@effect/platform-node": "catalog:",
@@ -1149,10 +1173,10 @@
  "catalog": {
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    "@corvu/drawer": "0.2.4",
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-    "@effect/platform-node": "4.0.0-rc.118",
-    "@effect/platform-node-shared": "4.0.0-rc.118",
-    "@effect/sql-sqlite-bun": "4.0.0-rc.118",
+    "@effect/opentelemetry": "4.0.0-rc.112",
+    "@effect/platform-node": "4.0.0-rc.112",
+    "@effect/platform-node-shared": "4.0.0-rc.112",
+    "@effect/sql-sqlite-bun": "4.0.0-rc.112",
    "@hono/standard-validator": "0.2.0",
    "@hono/zod-validator": "0.4.2",
    "@kobalte/core": "0.13.13",
@@ -1192,8 +1216,7 @@
    "dompurify": "3.4.14",
    "drizzle-kit": "1.0.0-rc.5-ab785fc",
    "drizzle-orm": "1.0.0-rc.5-169397b",
-    "effect": "4.0.0-rc.118",
-    "fast-check": "4.9.0",
+    "effect": "4.0.0-rc.112",
    "fuzzysort": "3.1.0",
    "get-east-asian-width": "1.6.0",
    "hono": "4.10.7",
@@ -1725,13 +1748,13 @@

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@@ -2157,17 +2192,19 @@

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@@ -2177,6 +2214,8 @@

    "@opencode/app": ["@opencode/app@workspace:packages/app"],

+    "@opencode/browser-extension": ["@opencode/browser-extension@workspace:packages/browser-extension"],
+
    "@opencode/cli": ["@opencode/cli@workspace:packages/cli"],

    "@opencode/client": ["@opencode/client@workspace:packages/client"],
@@ -3099,6 +3138,8 @@

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+    "@types/har-format": ["@types/har-format@1.2.16", "", {}, "sha512-fluxdy7ryD3MV6h8pTfTYpy/xQzCFC7m89nOH9y94cNqJ1mDIDPut7MnRHI3F6qRmh/cT2fUjG1MLdCNb4hE9A=="],
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@@ -3537,7 +3584,7 @@

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+    "bun-pty": ["bun-pty@0.4.8", "", {}, "sha512-rO70Mrbr13+jxHHHu2YBkk2pNqrJE5cJn29WE++PUr+GFA0hq/VgtQPZANJ8dJo6d7XImvBk37Innt8GM7O28w=="],

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@@ -3901,7 +3948,7 @@

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-    "effect": ["effect@4.0.0-rc.118", "", {}, "sha512-hxhpCd+swzrtu9lnyPpEFre2ODQzJ9qxgyL1oHIEY8NKnW4PxTbM1XzplMZXiAsLD62HO+KJc41Nqxr9T791ZQ=="],
+    "effect": ["effect@4.0.0-rc.112", "", { "dependencies": { "fast-check": "^4.9.0", "msgpackr": "^2.0.5" } }, "sha512-wXxwuh1Ywnv4cPRM3Wfa0vDwuOHnZ1TsTgHJkG9XgzND6inhBH9n1vBxhg3iIXOia/OrpmvVmd3lrD4vq6bF3A=="],

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@@ -4739,7 +4786,7 @@

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-    "mime": ["mime@3.0.0", "", { "bin": { "mime": "cli.js" } }, "sha512-jSCU7/VB1loIWBZe14aEYHU/+1UMEHoaO7qxCOVJOw9GgH72VAWppxNcjU+x9a2k3GSIBXNKxXQFqRvvZ7vr3A=="],
+    "mime": ["mime@4.1.0", "", { "bin": { "mime": "bin/cli.js" } }, "sha512-X5ju04+cAzsojXKes0B/S4tcYtFAJ6tTMuSPBEn9CPGlrWr8Fiw7qYeLT0XyH80HSoAoqWCaz+MWKh22P7G1cw=="],

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@@ -4787,6 +4834,10 @@

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+    "msgpackr": ["msgpackr@2.0.5", "", { "optionalDependencies": { "msgpackr-extract": "^3.0.4" } }, "sha512-cef05H/dSYpLpqp3sj/qyZh5vhUYCalnaLO7j1yOmpsR0y/XwLVtK7r5gn+U/F7CTEfMowcGhlUQJDLcLf7jcA=="],
+
+    "msgpackr-extract": ["msgpackr-extract@3.0.4", "", { "dependencies": { "node-gyp-build-optional-packages": "5.2.2" }, "optionalDependencies": { "@msgpackr-extract/msgpackr-extract-darwin-arm64": "3.0.4", "@msgpackr-extract/msgpackr-extract-darwin-x64": "3.0.4", "@msgpackr-extract/msgpackr-extract-linux-arm": "3.0.4", "@msgpackr-extract/msgpackr-extract-linux-arm64": "3.0.4", "@msgpackr-extract/msgpackr-extract-linux-x64": "3.0.4", "@msgpackr-extract/msgpackr-extract-win32-x64": "3.0.4" }, "bin": { "download-msgpackr-prebuilds": "bin/download-prebuilds.js" } }, "sha512-4kmO/MdyUIkLIvTPr8VHLil4AtoKIoniWPIEk5+CDy0xnWC84azhSFmuJ7PxZdsYtiP5kEeQsORAVIeMgxT+Hw=="],
+
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@@ -4829,6 +4880,8 @@

    "node-gyp-build": ["node-gyp-build@4.8.4", "", { "bin": { "node-gyp-build": "bin.js", "node-gyp-build-optional": "optional.js", "node-gyp-build-test": "build-test.js" } }, "sha512-LA4ZjwlnUblHVgq0oBF3Jl/6h/Nvs5fzBLwdEF4nuxnFdsfajde4WfxtJr3CaiH+F6ewcIB/q4jQ4UzPyid+CQ=="],

+    "node-gyp-build-optional-packages": ["node-gyp-build-optional-packages@5.2.2", "", { "dependencies": { "detect-libc": "^2.0.1" }, "bin": { "node-gyp-build-optional-packages": "bin.js", "node-gyp-build-optional-packages-optional": "optional.js", "node-gyp-build-optional-packages-test": "build-test.js" } }, "sha512-s+w+rBWnpTMwSFbaE0UXsRlg7hU4FjekKU4eyAih5T8nJuNZT1nNsskXpxmeqSK9UzkBl6UgRlnKc8hz8IEqOw=="],
+
    "node-html-parser": ["node-html-parser@7.1.0", "", { "dependencies": { "css-select": "^5.1.0", "he": "1.2.0" } }, "sha512-iJo8b2uYGT40Y8BTyy5ufL6IVbN8rbm/1QK2xffXU/1a/v3AAa0d1YAoqBNYqaS4R/HajkWIpIfdE6KcyFh1AQ=="],

    "node-int64": ["node-int64@0.4.0", "", {}, "sha512-O5lz91xSOeoXP6DulyHfllpq+Eg00MWitZIbtPfoSEvqIHdl5gfcY6hYzDWnj0qD5tz52PI08u9qUvSVeUBeHw=="],
@@ -5625,7 +5678,7 @@

    "uncrypto": ["uncrypto@0.1.3", "", {}, "sha512-Ql87qFHB3s/De2ClA9e0gsnS6zXG27SkTiSJwjCc9MebbfapQfuPzumMIUMi38ezPZVNFcHI9sUIepeQfw8J8Q=="],

-    "undici": ["undici@8.11.2", "", {}, "sha512-u4UB2/IrKdU6lFxumHmmo1a3fCQO5tzQllRorfoRS63txhrB7xTpSn1PftwC4qEHkOaqP95fCWW4lJzwErwzhQ=="],
+    "undici": ["undici@8.10.0", "", {}, "sha512-HvltHd7avK13QIw/oLe4qoOLyoVSoafqJ2jYOrtMRBkbYT31eiBQ8O0ehRKZiEZCMEyLFQNIADpgCWC5fALvYQ=="],

    "undici-types": ["undici-types@7.16.0", "", {}, "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw=="],

@@ -6077,13 +6130,15 @@

    "@bufbuild/protoplugin/typescript": ["typescript@5.4.5", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-vcI4UpRgg81oIRUFwR0WSIHKt11nJ7SAVlYNIu+QpqeyXP+gpQJy/Z4+F0aGxSE4MqwjyXvW/TzgkLAx2AGHwQ=="],

+    "@cloudflare/kv-asset-handler/mime": ["mime@3.0.0", "", { "bin": { "mime": "cli.js" } }, "sha512-jSCU7/VB1loIWBZe14aEYHU/+1UMEHoaO7qxCOVJOw9GgH72VAWppxNcjU+x9a2k3GSIBXNKxXQFqRvvZ7vr3A=="],
+
    "@cloudflare/vite-plugin/vite": ["vite@7.3.6", "", { "dependencies": { "esbuild": "^0.27.0 || ^0.28.0", "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" } }, "sha512-4XP60spRGjSZFf1qYH+dJIkK2znL3zQfl9KkOV9MkkRR/3Dls0dxaBsQPTloEc5BLXWPL9vsOxopxyKoMmDueg=="],

    "@cloudflare/vite-plugin/ws": ["ws@8.18.0", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-8VbfWfHLbbwu3+N6OKsOMpBdT4kXPDDB9cJk2bJ6mh9ucxdlnNvH1e+roYkKmN9Nxw2yjz7VzeO9oOz2zJ04Pw=="],

    "@cspotcode/source-map-support/@jridgewell/trace-mapping": ["@jridgewell/trace-mapping@0.3.9", "", { "dependencies": { "@jridgewell/resolve-uri": "^3.0.3", "@jridgewell/sourcemap-codec": "^1.4.10" } }, "sha512-3Belt6tdc8bPgAtbcmdtNJlirVoTmEb5e2gC94PnkwEW9jI6CAHUeoG85tjWP5WquqfavoMtMwiG4P926ZKKuQ=="],

-    "@effect/platform-node-shared/ws": ["ws@8.22.0", "", { "peerDependencies": { "bufferutil": "^4.0.1", "utf-8-validate": ">=5.0.2" }, "optionalPeers": ["bufferutil", "utf-8-validate"] }, "sha512-Ydggc987+RO0AnWtZ/7Wq9FtNvcrL1b/RO0ud9mWjUPgDrsAAwQSF51sm2hm1XofbU/4jkpGEsLFsZZxU+1DOg=="],
+    "@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=="],

@@ -6201,6 +6256,8 @@

    "@openauthjs/openauth/jose": ["jose@5.9.6", "", {}, "sha512-AMlnetc9+CV9asI19zHmrgS/WYsWUwCn2R7RzlbJWD7F9eWYUTGyBmU9o6PxngtLGOiDGPRu+Uc4fhKzbpteZQ=="],

+    "@opencode/browser-extension/tailwindcss": ["tailwindcss@4.1.11", "", {}, "sha512-2E9TBm6MDD/xKYe+dvJZAmg3yxIEDNRc0jwlNyDg/4Fil2QcSLjFKGVff0lAf1jjeaArlG/M75Ey/EYr/OJtBA=="],
+
    "@opencode/cli/vite": ["vite@7.3.6", "", { "dependencies": { "esbuild": "^0.27.0 || ^0.28.0", "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" } }, "sha512-4XP60spRGjSZFf1qYH+dJIkK2znL3zQfl9KkOV9MkkRR/3Dls0dxaBsQPTloEc5BLXWPL9vsOxopxyKoMmDueg=="],

    "@opencode/cli/vite-plugin-solid": ["vite-plugin-solid@2.11.10", "", { "dependencies": { "@babel/core": "^7.23.3", "@types/babel__core": "^7.20.4", "babel-preset-solid": "^1.8.4", "merge-anything": "^5.1.7", "solid-refresh": "^0.6.3", "vitefu": "^1.0.4" }, "peerDependencies": { "@testing-library/jest-dom": "^5.16.6 || ^5.17.0 || ^6.*", "solid-js": "^1.7.2", "vite": "^3.0.0 || ^4.0.0 || ^5.0.0 || ^6.0.0 || ^7.0.0" }, "optionalPeers": ["@testing-library/jest-dom"] }, "sha512-Yr1dQybmtDtDAHkii6hXuc1oVH9CPcS/Zb2jN/P36qqcrkNnVPsMTzQ06jyzFPFjj3U1IYKMVt/9ZqcwGCEbjw=="],
@@ -6675,8 +6732,6 @@

    "tw-to-css/tailwindcss": ["tailwindcss@3.3.2", "", { "dependencies": { "@alloc/quick-lru": "^5.2.0", "arg": "^5.0.2", "chokidar": "^3.5.3", "didyoumean": "^1.2.2", "dlv": "^1.1.3", "fast-glob": "^3.2.12", "glob-parent": "^6.0.2", "is-glob": "^4.0.3", "jiti": "^1.18.2", "lilconfig": "^2.1.0", "micromatch": "^4.0.5", "normalize-path": "^3.0.0", "object-hash": "^3.0.0", "picocolors": "^1.0.0", "postcss": "^8.4.23", "postcss-import": "^15.1.0", "postcss-js": "^4.0.1", "postcss-load-config": "^4.0.1", "postcss-nested": "^6.0.1", "postcss-selector-parser": "^6.0.11", "postcss-value-parser": "^4.2.0", "resolve": "^1.22.2", "sucrase": "^3.32.0" }, "bin": { "tailwind": "lib/cli.js", "tailwindcss": "lib/cli.js" } }, "sha512-9jPkMiIBXvPc2KywkraqsUfbfj+dHDb+JPWtSJa9MLFdrPyazI7q6WX2sUrm7R9eVR7qqv3Pas7EvQFzxKnI6w=="],

-    "unifont/undici": ["undici@8.10.0", "", {}, "sha512-HvltHd7avK13QIw/oLe4qoOLyoVSoafqJ2jYOrtMRBkbYT31eiBQ8O0ehRKZiEZCMEyLFQNIADpgCWC5fALvYQ=="],
-
    "unplugin/acorn": ["acorn@8.18.0", "", { "bin": { "acorn": "bin/acorn" } }, "sha512-lGq+9yr1/GuAWaVYIHRjvvySG5/4VfKIvC8EWxStPdcDh/Ka7FG3twP6v4d5BkravUilhIAsG4Qj83t02LWUPQ=="],

    "unused-filename/escape-string-regexp": ["escape-string-regexp@5.0.0", "", {}, "sha512-/veY75JbMK4j1yjvuUxuVsiS/hr/4iHs9FTT6cgTexxdE0Ly/glccBAkloH/DofkjRbZU3bnoj38mOmhkZ0lHw=="],
@@ -1,7 +1,7 @@
 {
  "nodeModules": {
-    "x86_64-linux": "sha256-DgZ5YAuYTn2y3E/o0rR73qBonKRidkckIYPIOEiTWGs=",
-    "aarch64-linux": "sha256-tdqmOYBL6PYL0421zgiOSDJ5NB4xWnR8on/mJ7Tk/5A=",
-    "aarch64-darwin": "sha256-pu/XstAefnlKDgt1WG8O++JZqymzUFx5ZpskU/2ohMg="
+    "x86_64-linux": "sha256-EEBz2IQ14YPShAzY13zpZ7btq/EuSw86pZ6nrizc9BI=",
+    "aarch64-linux": "sha256-X7om4U4OlKL4OddEMcyKL+1DCQXc9/f1xzzopE16Zmk=",
+    "aarch64-darwin": "sha256-3bejEuX3AGv4SR/16O8KjNSO2t9WDaWCHRbBXsJ6z8A="
  }
 }
@@ -42,10 +42,10 @@
      "packages/stats/*"
    ],
    "catalog": {
-      "@effect/opentelemetry": "4.0.0-rc.118",
-      "@effect/platform-node": "4.0.0-rc.118",
-      "@effect/platform-node-shared": "4.0.0-rc.118",
-      "@effect/sql-sqlite-bun": "4.0.0-rc.118",
+      "@effect/opentelemetry": "4.0.0-rc.112",
+      "@effect/platform-node": "4.0.0-rc.112",
+      "@effect/platform-node-shared": "4.0.0-rc.112",
+      "@effect/sql-sqlite-bun": "4.0.0-rc.112",
      "@npmcli/arborist": "9.4.0",
      "@types/bun": "1.4.0",
      "@types/cross-spawn": "6.0.6",
@@ -79,8 +79,7 @@
      "dompurify": "3.4.14",
      "drizzle-kit": "1.0.0-rc.5-ab785fc",
      "drizzle-orm": "1.0.0-rc.5-169397b",
-      "effect": "4.0.0-rc.118",
-      "fast-check": "4.9.0",
+      "effect": "4.0.0-rc.112",
      "ai": "6.0.168",
      "cross-spawn": "7.0.6",
      "hono": "4.10.7",
@@ -15,7 +15,7 @@ import { OpenAI } from "@opencode/ai/providers"
 * hover imports and local values to see how the public API is typed.
 */

-const apiKey = Config.Redacted("OPENAI_API_KEY")
+const apiKey = Config.redacted("OPENAI_API_KEY")

 // 1. Configure a provider. The configured facade records provider identity,
 // deployment options, authentication, and defaults. Per-modality selectors pick
@@ -5,7 +5,7 @@ import * as path from "node:path"
 import * as prompts from "@clack/prompts"
 import { AwsV4Signer } from "aws4fetch"
 import { Config, ConfigProvider, Effect, FileSystem, PlatformError, Redacted } from "effect"
-import { FetchHttpClient, HttpClient, HttpClientRequest, type HttpClientResponse } from "effect/http"
+import { FetchHttpClient, HttpClient, HttpClientRequest, type HttpClientResponse } from "effect/unstable/http"
 import * as ProviderShared from "../src/protocols/shared"
 import { CloudflareAIGateway } from "../src/providers/cloudflare-ai-gateway.js"
 import { CloudflareWorkersAI } from "../src/providers/cloudflare-workers-ai.js"
@@ -383,7 +383,7 @@ const readEnvFile = Effect.fn("RecordingEnv.readFile")(function* () {
 })

 const readConfigString = (provider: ConfigProvider.ConfigProvider, name: string) =>
-  Config.String(name)
+  Config.string(name)
    .parse(provider)
    .pipe(
      Effect.match({
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import { Headers, HttpClientRequest } from "effect/http"
+import { Headers, HttpClientRequest } from "effect/unstable/http"
 import {
  ChoiceQuestion,
  EvaluationInput,
@@ -1,8 +1,7 @@
 export * as Media from "./media.js"

-import { Effect, FileSystem, Schema, SchemaGetter } from "effect"
-import { Base64 } from "effect/encoding"
-import { HttpClientRequest } from "effect/http"
+import { Effect, Encoding, FileSystem, Schema, SchemaGetter } from "effect"
+import { HttpClientRequest } from "effect/unstable/http"
 import { ProviderID } from "./schema/ids.js"
 import { AIError, HttpContext, InvalidProviderOutputError, InvalidRequestError } from "./schema/errors.js"
 import { ProviderMetadata } from "./schema/options.js"
@@ -141,7 +140,7 @@ export class Asset {
  inline(): Inline | undefined {
    const source = this.source
    if (source.type !== "bytes" && source.type !== "base64") return undefined
-    const base64 = source.type === "base64" ? source.data : (this.#base64 ??= Base64.encode(source.data))
+    const base64 = source.type === "base64" ? source.data : (this.#base64 ??= Encoding.encodeBase64(source.data))
    const mime = this.mediaType.toLowerCase()
    return { mime, base64, dataUrl: `data:${mime};base64,${base64}` }
  }
@@ -156,7 +155,7 @@ export class Asset {
        return Effect.fail(invalid(`Cannot materialize provider ref ${source.provider}:${source.id}`))
      const decoded =
        source.type === "base64"
-          ? Effect.fromResult(Base64.decode(source.data)).pipe(
+          ? Effect.fromResult(Encoding.decodeBase64(source.data)).pipe(
              Effect.mapError((cause) => invalid(`Media asset contains invalid base64 data`, cause)),
            )
          : download(source, this.headers)
@@ -169,7 +168,7 @@ export class Asset {
      const source = this.source
      if (source.type === "base64") return Effect.succeed(source.data)
      if (this.#base64 !== undefined) return Effect.succeed(this.#base64)
-      return this.bytes().pipe(Effect.map((data) => (this.#base64 = Base64.encode(data))))
+      return this.bytes().pipe(Effect.map((data) => (this.#base64 = Encoding.encodeBase64(data))))
    })
  }

@@ -184,7 +183,7 @@ export class Asset {
  toJSON() {
    const source = this.source
    return {
-      source: source.type === "bytes" ? { ...source, data: Base64.encode(source.data) } : source,
+      source: source.type === "bytes" ? { ...source, data: Encoding.encodeBase64(source.data) } : source,
      info: this.info,
      providerMetadata: this.providerMetadata,
    }
@@ -6,7 +6,7 @@ import { Auth } from "../route/auth.js"
 import { Endpoint } from "../route/endpoint.js"
 import { Framing } from "../route/framing.js"
 import { Protocol } from "../route/protocol.js"
-import { Headers } from "effect/http"
+import { Headers } from "effect/unstable/http"
 import { HttpTransport } from "../route/transport/index.js"
 import {
  AIError,
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import type { Status } from "../generation.js"
 import { Media } from "../media.js"
 import { MediaProtocol } from "../route/media-protocol.js"
@@ -1,5 +1,4 @@
-import { Effect, Schema } from "effect"
-import { Base64 } from "effect/encoding"
+import { Effect, Encoding, Schema } from "effect"
 import { Route } from "../route/client.js"
 import { Endpoint } from "../route/endpoint.js"
 import { Protocol } from "../route/protocol.js"
@@ -611,7 +610,7 @@ interface ParserState {
  readonly reasoningRedactedContent: Readonly<Record<number, Uint8Array[]>>
 }

-const encodeRedactedContent = (chunks: ReadonlyArray<Uint8Array>) => Base64.encode(concatBytes(chunks))
+const encodeRedactedContent = (chunks: ReadonlyArray<Uint8Array>) => Encoding.encodeBase64(concatBytes(chunks))

 const step = (state: ParserState, event: BedrockEvent) =>
  Effect.gen(function* () {
@@ -660,7 +659,7 @@ const step = (state: ParserState, event: BedrockEvent) =>
      const events: LLMEvent[] = []
      const redactedChunk = yield* (() => {
        if (reasoning.redactedContent === undefined) return Effect.succeed(undefined)
-        return Effect.fromResult(Base64.decode(reasoning.redactedContent)).pipe(
+        return Effect.fromResult(Encoding.decodeBase64(reasoning.redactedContent)).pipe(
          Effect.mapError((cause) =>
            ProviderShared.eventError(
              ADAPTER,
@@ -1,7 +1,6 @@
 import { EventStreamCodec } from "@smithy/eventstream-codec"
 import { fromUtf8, toUtf8 } from "@smithy/util-utf8"
-import { Effect, Stream } from "effect"
-import { Base64 } from "effect/encoding"
+import { Effect, Encoding, Stream } from "effect"
 import { AIError, AIErrorReason, InvalidProviderOutputError } from "../schema/index.js"
 import { Framing } from "../route/framing.js"
 import { ProviderShared } from "./shared.js"
@@ -48,7 +47,7 @@ const consumeFrames = (route: string) => (state: FrameBufferState, input: FrameI
            route,
            classification: "incomplete-stream",
            message: `Incomplete Bedrock Converse event-stream frame: ${remaining.length} buffered bytes remain at end of stream`,
-            body: Base64.encode(remaining),
+            body: Encoding.encodeBase64(remaining),
          }),
        })
      return [state, []] as const
@@ -69,7 +68,7 @@ const consumeFrames = (route: string) => (state: FrameBufferState, input: FrameI
            `Failed to decode Bedrock Converse event-stream frame: ${
              error instanceof Error ? error.message : String(error)
            }`,
-            Base64.encode(view.subarray(0, totalLength)),
+            Encoding.encodeBase64(view.subarray(0, totalLength)),
            error,
          ),
      })
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import type { Status } from "../generation.js"
 import { ImageModel, ImageResponse, type ImageRequestFor } from "../image.js"
 import { Media } from "../media.js"
@@ -124,15 +124,7 @@ const fromRequest = Effect.fn("CohereChat.fromRequest")(function* (request: LLMR
  const options = yield* ProviderShared.validateWith(Schema.decodeUnknownEffect(Options))(request.providerOptions ?? {})
  const flattened = ProviderShared.flattenToolRequest(request)
  const messages: (typeof Message.Type)[] = request.system.length
-    ? [
-        {
-          role: "system",
-          content:
-            request.system.length === 1
-              ? request.system[0].text
-              : request.system.map((part) => ({ type: "text", text: part.text })),
-        },
-      ]
+    ? [{ role: "system", content: ProviderShared.joinText(request.system) }]
    : []
  for (const message of flattened.request.messages) {
    if (message.role === "system") {
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import { MediaProtocol } from "../route/media-protocol.js"
 import { MediaRoute } from "../route/media.js"
 import { mergeJsonRecords, type OpenString } from "../schema/index.js"
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import { MediaProtocol } from "../route/media-protocol.js"
 import { MediaRoute } from "../route/media.js"
 import { mergeJsonRecords, type OpenString } from "../schema/index.js"
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import { ImageModel, ImageResponse, type ImageRequestFor } from "../image.js"
 import { Media } from "../media.js"
 import { MediaProtocol } from "../route/media-protocol.js"
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import { Media } from "../media.js"
 import { MediaProtocol } from "../route/media-protocol.js"
 import { MediaRoute } from "../route/media.js"
@@ -475,7 +475,7 @@ const fromRequest = Effect.fn("Gemini.fromRequest")(function* (request: LLMReque
    safetySettings: options.safetySettings,
    serviceTier: options.serviceTier,
    systemInstruction:
-      request.system.length === 0 ? undefined : { parts: request.system.map((part) => ({ text: part.text })) },
+      request.system.length === 0 ? undefined : { parts: [{ text: ProviderShared.joinText(request.system) }] },
    tools: hasTools
      ? [
          {
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import { ImageModel, ImageResponse, type ImageRequestFor } from "../image.js"
 import { MediaProtocol } from "../route/media-protocol.js"
 import { MediaRoute } from "../route/media.js"
@@ -1,5 +1,5 @@
 import { Duration, Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import type { Status } from "../generation.js"
 import { Media } from "../media.js"
 import { MediaProtocol } from "../route/media-protocol.js"
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import { ImageModel, ImageResponse, type ImageRequestFor } from "../image.js"
 import { Media } from "../media.js"
 import { MediaProtocol } from "../route/media-protocol.js"
@@ -1,5 +1,4 @@
-import { Effect, Schema } from "effect"
-import { Base64 } from "effect/encoding"
+import { Effect, Encoding, Schema } from "effect"
 import { Protocol } from "../route/protocol.js"
 import { HttpTransport } from "../route/transport/index.js"
 import { LLMEvent, LLMRequest, Message, ToolResultPart } from "../schema/index.js"
@@ -136,7 +135,7 @@ const HOSTED_TOOLS = {
          "Meta returned an image without data",
          ProviderShared.encodeJson(raw),
        )
-      const data = yield* Effect.fromResult(Base64.decode(item.result)).pipe(
+      const data = yield* Effect.fromResult(Encoding.decodeBase64(item.result)).pipe(
        Effect.mapError((cause) =>
          ProviderShared.eventError(
            ADAPTER,
@@ -68,10 +68,7 @@ const MistralAssistantToolCall = Schema.Struct({
 type MistralAssistantToolCall = Schema.Schema.Type<typeof MistralAssistantToolCall>

 const MistralMessage = Schema.Union([
-  Schema.Struct({
-    role: Schema.Literal("system"),
-    content: Schema.Union([Schema.String, Schema.Array(MistralTextContent)]),
-  }),
+  Schema.Struct({ role: Schema.Literal("system"), content: Schema.String }),
  Schema.Struct({
    role: Schema.Literal("user"),
    content: Schema.Union([Schema.String, Schema.Array(MistralUserContent)]),
@@ -338,17 +335,7 @@ const lowerToolResults = Effect.fn("MistralChat.lowerToolResults")(function* (
 const lowerMessages = Effect.fn("MistralChat.lowerMessages")(function* (request: LLMRequest) {
  const normalizeID = MistralToolID.normalizer(request)
  const messages: MistralMessage[] =
-    request.system.length === 0
-      ? []
-      : [
-          {
-            role: "system",
-            content:
-              request.system.length === 1
-                ? request.system[0].text
-                : request.system.map((part) => ({ type: "text", text: part.text })),
-          },
-        ]
+    request.system.length === 0 ? [] : [{ role: "system", content: ProviderShared.joinText(request.system) }]
  for (const message of request.messages) {
    if (message.role === "system") {
      const update = yield* ProviderShared.wrappedSystemUpdate("Mistral Chat", message)
@@ -1,5 +1,5 @@
 import { Effect, Schema, Stream } from "effect"
-import { Headers } from "effect/http"
+import { Headers } from "effect/unstable/http"
 import { Framing } from "../route/framing.js"
 import type { HttpContext } from "../schema/index.js"
 import {
@@ -14,6 +14,7 @@ import {
  ProviderInternalError,
  UnknownProviderError,
  Usage,
+  type FinishReason,
  type FinishReasonDetails,
  type CacheHint,
  type LLMRequest,
@@ -45,6 +46,12 @@ const OpenAIChatCacheControl = Schema.Struct({
 })
 type OpenAIChatCacheControl = Schema.Schema.Type<typeof OpenAIChatCacheControl>

+const OpenAIChatFunction = Schema.Struct({
+  name: Schema.String,
+  description: Schema.String,
+  parameters: JsonObject,
+})
+
 const OpenAIChatTool = Schema.Struct({
  type: Schema.tag("function"),
  function: Schema.Struct({
@@ -1,6 +1,5 @@
-import { Effect, Schema } from "effect"
-import { Base64 } from "effect/encoding"
-import { Headers } from "effect/http"
+import { Effect, Encoding, Schema } from "effect"
+import { Headers } from "effect/unstable/http"
 import { Route } from "../route/client.js"
 import { Auth } from "../route/auth.js"
 import { Endpoint } from "../route/endpoint.js"
@@ -250,7 +249,7 @@ const checkpointBody = {
 const hostedToolResult = Effect.fn("OpenAIResponses.hostedToolResult")(function* (item: ResponsesHostedTools.Item) {
  const isError = item.error !== undefined && item.error !== null
  if (item.type === "image_generation_call" && item.result) {
-    yield* Effect.fromResult(Base64.decode(item.result)).pipe(
+    yield* Effect.fromResult(Encoding.decodeBase64(item.result)).pipe(
      Effect.mapError((cause) =>
        ProviderShared.eventError(ADAPTER, "OpenAI Responses returned invalid image base64", undefined, cause),
      ),
@@ -1,5 +1,5 @@
 import { Duration, Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import type { Status } from "../generation.js"
 import { ImageModel, ImageResponse, type ImageRequestFor } from "../image.js"
 import { Media } from "../media.js"
@@ -1,5 +1,5 @@
 import { Duration, Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import type { Status } from "../generation.js"
 import { Media } from "../media.js"
 import { MediaProtocol } from "../route/media-protocol.js"
@@ -1,6 +1,6 @@
 import { Tool } from "@opencode/schema/tool"
 import { Effect, Option, Schema } from "effect"
-import { Headers, HttpClientRequest } from "effect/http"
+import { Headers, HttpClientRequest } from "effect/unstable/http"
 import { Media } from "../media.js"
 import {
  InvalidProviderOutputError,
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import { ImageModel, ImageResponse, type ImageRequestFor } from "../image.js"
 import { MediaProtocol } from "../route/media-protocol.js"
 import { MediaRoute } from "../route/media.js"
@@ -1,6 +1,6 @@
 import { AwsV4Signer } from "aws4fetch"
 import { Effect } from "effect"
-import { Headers } from "effect/http"
+import { Headers } from "effect/unstable/http"
 import { Auth, type AuthInput } from "../../route/auth.js"
 import { AIError, AuthenticationError } from "../../schema/index.js"
 import { ProviderShared } from "../shared.js"
@@ -1,5 +1,4 @@
-import { Effect, Schema } from "effect"
-import { Base64 } from "effect/encoding"
+import { Effect, Encoding, Schema } from "effect"
 import type { MediaPart } from "../../schema/index.js"
 import { ProviderShared } from "../shared.js"

@@ -79,12 +78,12 @@ function documentName(filename: string | undefined, names: Set<string>) {

 const mediaBase64 = Effect.fn("BedrockMedia.mediaBase64")(function* (part: MediaPart) {
  const media = yield* ProviderShared.requireInlineMedia("Bedrock Converse", part.media)
-  const bytes = yield* Effect.fromResult(Base64.decode(media.base64)).pipe(
+  const bytes = yield* Effect.fromResult(Encoding.decodeBase64(media.base64)).pipe(
    Effect.mapError((cause) =>
      ProviderShared.invalidRequest("Bedrock Converse media data must be valid base64", cause),
    ),
  )
-  return Base64.encode(bytes)
+  return Encoding.encodeBase64(bytes)
 })

 // Route by MIME. Known image/document formats lower into a typed block; anything
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import type { Status } from "../../generation.js"
 import type { Media } from "../../media.js"
 import { MediaProtocol } from "../../route/media-protocol.js"
@@ -1,5 +1,4 @@
-import { Effect } from "effect"
-import { Base64 } from "effect/encoding"
+import { Effect, Encoding } from "effect"
 import { Media } from "../../media.js"
 import type { MediaProtocol } from "../../route/media-protocol.js"
 import { mergeJsonRecords, type AIError, type ProviderID } from "../../schema/index.js"
@@ -11,7 +10,7 @@ export const inlineBytes = (route: string, asset: Media.Asset): Effect.Effect<Ui
  if (asset.source.type === "bytes") return Effect.succeed(asset.source.data)
  const inline = asset.inline()
  if (!inline) return Effect.fail(ProviderShared.inlineRequired(route, asset))
-  return Effect.fromResult(Base64.decode(inline.base64)).pipe(
+  return Effect.fromResult(Encoding.decodeBase64(inline.base64)).pipe(
    Effect.mapError((cause) => ProviderShared.invalidRequest(`${route} media contains invalid base64 data`, cause)),
  )
 }
@@ -53,7 +52,7 @@ export const decodedAsset = (
  mediaType: string | undefined,
  options?: Media.AssetOptions,
 ) =>
-  Effect.fromResult(Base64.decode(data)).pipe(
+  Effect.fromResult(Encoding.decodeBase64(data)).pipe(
    Effect.mapError((cause) => invalid(`${label} contains invalid base64 data`, cause)),
    Effect.map((bytes) => Media.bytes(bytes, mediaType, options)),
  )
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import { ImageModel, ImageResponse, type ImageRequestFor } from "../image.js"
 import { Media } from "../media.js"
 import { MediaProtocol } from "../route/media-protocol.js"
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import type { Status } from "../generation.js"
 import { Media } from "../media.js"
 import { MediaProtocol } from "../route/media-protocol.js"
@@ -1,5 +1,5 @@
 import { Duration, Effect, Schema } from "effect"
-import type { HttpClientResponse } from "effect/http"
+import type { HttpClientResponse } from "effect/unstable/http"
 import { ImageModel, ImageResponse, type ImageRequestFor } from "../image.js"
 import { MediaProtocol } from "../route/media-protocol.js"
 import { MediaRoute } from "../route/media.js"
@@ -1,5 +1,5 @@
 import { Effect, Schema } from "effect"
-import { Headers, HttpClientRequest } from "effect/http"
+import { Headers, HttpClientRequest } from "effect/unstable/http"
 import {
  EvaluationAnswer,
  EvaluationInput,
@@ -1,5 +1,5 @@
 import { Config, Effect, Option, Redacted } from "effect"
-import { Headers } from "effect/http"
+import { Headers } from "effect/unstable/http"
 import { AuthenticationError, AIError, type HttpOptions } from "../schema/index.js"

 export class MissingCredentialError extends Error {
@@ -95,7 +95,7 @@ export const optional = (secret: Secret | undefined, source = "optional value")
 export const config = (name: string) =>
  credential(
    Effect.gen(function* () {
-      const secret = yield* Config.option(Config.Redacted(name))
+      const secret = yield* Config.option(Config.redacted(name))
      if (Option.isSome(secret) && Redacted.value(secret.value) !== "") return secret.value
      return yield* Effect.fail(new MissingCredentialError(name, `${name} is not set`))
    }),
@@ -1,5 +1,5 @@
 import { Context, type Effect } from "effect"
-import type { HttpClientRequest, HttpClientResponse } from "effect/http"
+import type { HttpClientRequest, HttpClientResponse } from "effect/unstable/http"
 import type { AIError } from "../schema/errors.js"

 // The service tag lives in its own leaf module so `Media.Asset` (imported by the schema layer) can require the
@@ -6,7 +6,7 @@ import {
  HttpClientError,
  HttpClientRequest,
  HttpClientResponse,
-} from "effect/http"
+} from "effect/unstable/http"
 import { HttpContext, HttpRateLimitDetails, AIError, TransportError } from "../schema/index.js"
 import { classifyProviderFailure, providerErrorMessage } from "../provider-error.js"
 import { Service, type HttpMiddleware, type Interface } from "./executor-service.js"
@@ -1,5 +1,5 @@
 import { Effect, Stream } from "effect"
-import { makeParser, type Event } from "effect/encoding/Sse"
+import { makeParser, type Event } from "effect/unstable/encoding/Sse"
 import { AIError, InvalidProviderOutputError } from "../schema/index.js"

 /**
@@ -1,5 +1,5 @@
 import { Clock, Duration, Effect, Schema, type Stream } from "effect"
-import { HttpClientResponse } from "effect/http"
+import { HttpClientResponse } from "effect/unstable/http"
 import type { Snapshot, Status } from "../generation.js"
 import { Media } from "../media.js"
 import type { AuthInput } from "./auth.js"
@@ -1,5 +1,5 @@
 import { Duration, Effect, Schedule, Schema, Stream } from "effect"
-import { Headers, HttpClientRequest, type HttpClientResponse } from "effect/http"
+import { Headers, HttpClientRequest, type HttpClientResponse } from "effect/unstable/http"
 import { Auth, type AuthInput } from "./auth.js"
 import { Endpoint } from "./endpoint.js"
 import { RequestExecutorService, type Interface } from "./executor-service.js"
@@ -1,5 +1,5 @@
 import { Clock, Duration, Effect, Stream } from "effect"
-import { Headers, HttpClientRequest } from "effect/http"
+import { Headers, HttpClientRequest } from "effect/unstable/http"
 import { Auth } from "../auth.js"
 import { render as renderEndpoint } from "../endpoint.js"
 import { Framing } from "../framing.js"
@@ -1,5 +1,5 @@
 import type { Effect, Scope, Stream } from "effect"
-import type { Headers } from "effect/http"
+import type { Headers } from "effect/unstable/http"
 import type { AIError, HttpContext } from "../../schema/index.js"

 export interface WebSocketChannelExecutor {
@@ -1,6 +1,6 @@
 import { Cause, Effect, Queue, Stream } from "effect"
-import { Headers } from "effect/http"
-import { Socket } from "effect/socket"
+import { Headers } from "effect/unstable/http"
+import { Socket } from "effect/unstable/socket"
 import {
  AIError,
  AIErrorReason,
@@ -1,5 +1,4 @@
 import { Schema } from "effect"
-import { withStatics } from "@opencode/schema/schema"
 import { Tool } from "@opencode/schema/tool"
 import {
  CacheHint,
@@ -29,7 +28,7 @@ export type SystemPart = Schema.Schema.Type<typeof systemPartSchema>

 const makeSystemPart = (text: string): SystemPart => ({ type: "text", text })

-export const SystemPart = withStatics(systemPartSchema, {
+export const SystemPart = Object.assign(systemPartSchema, {
  make: makeSystemPart,
  content: (input?: string | SystemPart | ReadonlyArray<SystemPart>) => {
    if (input === undefined) return []
@@ -77,7 +76,7 @@ const toolResultValueSchema = Schema.Union([
 export type ToolResultValue = Schema.Schema.Type<typeof toolResultValueSchema>
 const isToolResultValue = Schema.is(toolResultValueSchema)

-export const ToolResultValue = withStatics(toolResultValueSchema, {
+export const ToolResultValue = Object.assign(toolResultValueSchema, {
  is: isToolResultValue,
  make: (value: unknown, type: ToolResultValue["type"] = "json"): ToolResultValue => {
    if (isToolResultValue(value)) return value
@@ -91,7 +90,7 @@ export interface ToolOutput {
  readonly content: ReadonlyArray<Tool.Content>
 }

-export const ToolOutput = withStatics(
+export const ToolOutput = Object.assign(
  Schema.Struct({
    structured: Schema.Unknown,
    content: Schema.Array(Tool.Content),
@@ -128,7 +127,7 @@ const toolResultText = (value: unknown) => {
  }
 }

-export const ToolCallPart = withStatics(
+export const ToolCallPart = Object.assign(
  Schema.Struct({
    type: Schema.Literal("tool-call"),
    id: Schema.String,
@@ -146,7 +145,7 @@ export const ToolCallPart = withStatics(
 )
 export type ToolCallPart = Schema.Schema.Type<typeof ToolCallPart>

-export const ToolResultPart = withStatics(
+export const ToolResultPart = Object.assign(
  Schema.Struct({
    type: Schema.Literal("tool-result"),
    id: Schema.String,
@@ -210,7 +209,7 @@ const compactionPartSchema = Schema.Struct({
  )
  .annotate({ identifier: "LLM.Content.Compaction" })
 export type CompactionPart = typeof compactionPartSchema.Type
-export const CompactionPart = withStatics(compactionPartSchema, {
+export const CompactionPart = Object.assign(compactionPartSchema, {
  make: (input: Omit<CompactionPart, "type" | "encrypted" | "text"> & CompactionContent): CompactionPart =>
    Schema.decodeUnknownSync(compactionPartSchema)({ type: "compaction", ...input }),
 })
@@ -327,7 +326,7 @@ export type ToolNamespaceEntryInput = ToolNamespaceInput & { readonly type: "nam

 export const ToolNamespace: Schema.Codec<ToolNamespace> & {
  readonly make: (input: ToolNamespace | ToolNamespaceInput) => ToolNamespace
-} = withStatics(
+} = Object.assign(
  Schema.Struct({
    type: Schema.Literal("namespace"),
    name: Schema.String,
@@ -347,7 +346,7 @@ export type ToolEntry = ToolDefinition | ToolNamespace
 export type ToolEntryInput = ToolDefinition.Input | ToolNamespaceEntryInput
 export const ToolEntry: Schema.Codec<ToolEntry> & {
  readonly make: (input: ToolEntryInput) => ToolEntry
-} = withStatics(
+} = Object.assign(
  Schema.Union([ToolDefinition, ToolNamespace]).pipe(
    Schema.toTaggedUnion("type"),
    Schema.annotate({ identifier: "LLM.ToolEntry" }),
@@ -1,4 +1,4 @@
-import { Effect, JsonSchema, Schema, SchemaAST } from "effect"
+import { Effect, JsonSchema, Schema } from "effect"
 import { Tool } from "@opencode/schema/tool"
 import type {
  ToolCallPart,
@@ -6,7 +6,6 @@ import type {
  ToolOutput as ToolOutputType,
 } from "./schema/index.js"
 import { ToolDefinition, ToolFailure, ToolOutput } from "./schema/index.js"
-import { isRecord } from "./utils/record.js"

 /**
 * Schema constraint for tool parameters / success values: no decoding or
@@ -201,7 +200,7 @@ export function make(config: TypedToolConfig | DynamicToolConfig): AnyTool {
    _definition: new ToolDefinition({
      name: "",
      description: config.description,
-      inputSchema: emptyInputJsonSchema(config.parameters) ?? toJsonSchema(config.parameters),
+      inputSchema: toJsonSchema(config.parameters),
      outputSchema: toJsonSchema(config.success),
    }),
  }
@@ -231,36 +230,8 @@ export const toDefinitions = (tools: Tools): ReadonlyArray<ToolDefinitionClass>
      }),
  )

-/**
- * Describes a no-argument Effect tool input as an empty object, or returns
- * `undefined` when the input takes arguments.
- *
- * Effect emits `{ not: { type: "null" } }` for `Struct({})`, but providers
- * require tool parameters to describe an object. Emptiness is decided by the
- * encoded side, which is what the model sends, so a transformation from an
- * empty struct qualifies while one into an empty struct does not. The schema is
- * inlined rather than a root `$ref`, and the title, description, and other
- * metadata Effect emits are retained. Checked encoded structs are left as
- * Effect emits them, because their constraints or JSON Schema overrides could
- * contradict the closed object shape.
- */
-export const emptyInputJsonSchema = (schema: Schema.Top): JsonSchema.JsonSchema | undefined => {
-  const encoded = SchemaAST.toEncoded(schema.ast)
-  if (
-    !SchemaAST.isObjects(encoded) ||
-    encoded.propertySignatures.length > 0 ||
-    encoded.indexSignatures.length > 0 ||
-    encoded.checks !== undefined
-  )
-    return undefined
-  const { not, ...metadata } = Schema.toJsonSchemaDocument(schema, { referencePolicy: () => undefined }).schema
-  // Rewrite only the shape Effect is known to emit for an empty struct.
-  if (!isRecord(not) || not.type !== "null" || Object.keys(not).length !== 1) return undefined
-  return { ...metadata, type: "object", properties: {}, additionalProperties: false }
-}
-
 const toJsonSchema = (schema: Schema.Top): JsonSchema.JsonSchema => {
-  const document = Schema.toJsonSchemaDocument(schema, { onExcessProperty: "error" })
+  const document = Schema.toJsonSchemaDocument(schema)
  if (Object.keys(document.definitions).length === 0) return document.schema
  return { ...document.schema, $defs: document.definitions }
 }
@@ -14,6 +14,7 @@ import * as GoogleVertexChat from "../src/providers/google-vertex-chat.js"
 import * as GoogleVertexMessages from "../src/providers/google-vertex-messages.js"
 import * as GoogleVertexResponses from "../src/providers/google-vertex-responses.js"
 import * as OpenAI from "../src/providers/openai.js"
+import * as OpenAICompatible from "../src/providers/openai-compatible.js"
 import * as OpenRouter from "../src/providers/openrouter.js"
 import * as XAI from "../src/providers/xai.js"

@@ -29,7 +30,7 @@ type LanguageModel = {
 declare const auth: Auth.Definition
 declare const optionalAuthModel: LanguageModelFactory<BaseOptions, "optional", LanguageModel>
 declare const requiredAuthModel: LanguageModelFactory<BaseOptions, "required", LanguageModel>
-const configApiKey = Config.Redacted("OPENAI_API_KEY")
+const configApiKey = Config.redacted("OPENAI_API_KEY")

 OpenAIChat.route.model({ id: "gpt-4.1-mini" })

@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { ConfigProvider, Effect } from "effect"
-import { Headers } from "effect/http"
+import { Headers } from "effect/unstable/http"
 import { LLM } from "../src/index.js"
 import { Auth } from "../src/route/auth.js"
 import * as OpenAIChat from "../src/protocols/openai-chat.js"
@@ -1,6 +1,6 @@
 import { expect } from "bun:test"
 import { Effect } from "effect"
-import { FetchHttpClient } from "effect/http"
+import { FetchHttpClient } from "effect/unstable/http"
 import { LLM, LLMRequest, Message } from "../src/index.js"
 import { LLMClient } from "../src/route/client.js"
 import { OpenAI } from "../src/providers.js"
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import { Effect, Ref, Schema } from "effect"
-import { HttpClientRequest, HttpClientResponse } from "effect/http"
+import { HttpClientRequest, HttpClientResponse } from "effect/unstable/http"
 import {
  LLM,
  LLMRequest,
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Effect, Layer } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { Evaluation, EvaluationClient } from "../src/experimental.js"
 import { OpenCodeZen, OpenRouter, TypeSafeAI, VercelAIGateway } from "../src/providers.js"
 import { it } from "./lib/effect.js"
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Deferred, Effect, Fiber, Layer, Ref, Stream } from "effect"
-import { Headers, HttpClientError, HttpClientRequest, HttpClientResponse } from "effect/http"
+import { Headers, HttpClientError, HttpClientRequest, HttpClientResponse } from "effect/unstable/http"
 import { LLM, AIError, HttpContext, InvalidProviderOutputError, TransportError, isRetryable } from "../src/index.js"
 import {
  LLMClient,
@@ -6,7 +6,7 @@
      "provider:cohere"
    ],
    "name": "cohere/continues-a-native-tool-call",
-    "recordedAt": "2026-10-03T04:09:51.600Z"
+    "recordedAt": "2026-10-02T02:36:16.143Z"
  },
  "interactions": [
    {
@@ -17,14 +17,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"command-a-plus-05-2026\",\"messages\":[{\"role\":\"system\",\"content\":[{\"type\":\"text\",\"text\":\"Use the get_weather tool exactly once.\"},{\"type\":\"text\",\"text\":\"After the tool result, reply exactly: Paris is sunny.\"}]},{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is the weather in Paris?\"}]}],\"stream\":true,\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get current weather for a city.\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}},\"required\":[\"city\"],\"additionalProperties\":false}}}],\"max_tokens\":2048}"
+        "body": "{\"model\":\"command-a-plus-05-2026\",\"messages\":[{\"role\":\"system\",\"content\":\"Use the get_weather tool exactly once. After the tool result, reply exactly: Paris is sunny.\"},{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is the weather in Paris?\"}]}],\"stream\":true,\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get current weather for a city.\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}},\"required\":[\"city\"],\"additionalProperties\":false}}}],\"max_tokens\":2048}"
      },
      "response": {
        "status": 200,
        "headers": {
          "content-type": "text/event-stream"
        },
-        "body": "event: message-start\ndata: {\"id\":\"d6c0d412-926c-42ed-b152-043404f8c33c\",\"type\":\"message-start\",\"delta\":{\"message\":{\"role\":\"assistant\",\"content\":[],\"tool_plan\":\"\",\"tool_calls\":[],\"citations\":[]}}}\n\nevent: content-start\ndata: {\"type\":\"content-start\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"type\":\"thinking\",\"thinking\":\"\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"The\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" user\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" is\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" asking\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" for\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" the\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" weather\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" in\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" Paris\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\".\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" I\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" have\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" a\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" get\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"_weather\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" function\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" available\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" that\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" takes\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" a\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" city\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" parameter\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\".\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" The\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" user\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" specifically\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" mentioned\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" \\\"\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"Paris\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"\\\"\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" as\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" the\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" city\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\".\"}}}}\n\nevent: conteLine truncated
+        "body": "event: message-start\ndata: {\"id\":\"a57af21c-0496-4123-8e83-bcc6abb9bcae\",\"type\":\"message-start\",\"delta\":{\"message\":{\"role\":\"assistant\",\"content\":[],\"tool_plan\":\"\",\"tool_calls\":[],\"citations\":[]}}}\n\nevent: content-start\ndata: {\"type\":\"content-start\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"type\":\"thinking\",\"thinking\":\"\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"The\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" user\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" is\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" asking\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" about\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" the\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" weather\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" in\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" Paris\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\".\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" I\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" have\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" access\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" to\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" a\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" get\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"_weather\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" function\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" that\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" takes\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" a\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" city\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" parameter\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\".\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" The\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" instructions\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" say\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" to\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" use\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" the\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" get\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"_weather\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" tool\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" exactly\"}}}}\n\nevent: conteLine truncated
      }
    },
    {
@@ -35,14 +35,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"command-a-plus-05-2026\",\"messages\":[{\"role\":\"system\",\"content\":[{\"type\":\"text\",\"text\":\"Use the get_weather tool exactly once.\"},{\"type\":\"text\",\"text\":\"After the tool result, reply exactly: Paris is sunny.\"}]},{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is the weather in Paris?\"}]},{\"role\":\"assistant\",\"content\":[{\"type\":\"thinking\",\"thinking\":\"The user is asking for the weather in Paris. I have a get_weather function available that takes a city parameter. The user specifically mentioned \\\"Paris\\\" as the city. I need to use the get_weather tool exactly once as per the policies, and I have all the required parameters (city = \\\"Paris\\\").\\n\\nLet me call the function with the city parameter set to \\\"Paris\\\".\"}],\"tool_calls\":[{\"id\":\"get_weather_vfp5ryredwrg\",\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"arguments\":\"{\\\"city\\\":\\\"Paris\\\"}\"}}]},{\"role\":\"tool\",\"content\":\"{\\\"temperature\\\":22,\\\"condition\\\":\\\"sunny\\\"}\",\"tool_call_id\":\"get_weather_vfp5ryredwrg\"}],\"stream\":true,\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get current weather for a city.\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}},\"required\":[\"city\"],\"additionalProperties\":false}}}],\"max_tokens\":2048}"
+        "body": "{\"model\":\"command-a-plus-05-2026\",\"messages\":[{\"role\":\"system\",\"content\":\"Use the get_weather tool exactly once. After the tool result, reply exactly: Paris is sunny.\"},{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is the weather in Paris?\"}]},{\"role\":\"assistant\",\"content\":[{\"type\":\"thinking\",\"thinking\":\"The user is asking about the weather in Paris. I have access to a get_weather function that takes a city parameter. The instructions say to use the get_weather tool exactly once, and then reply exactly \\\"Paris is sunny\\\" after getting the tool result.\\n\\nLet me call the get_weather function with \\\"Paris\\\" as the city parameter.\"}],\"tool_calls\":[{\"id\":\"get_weather_mdhvw7kbf1e3\",\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"arguments\":\"{\\\"city\\\":\\\"Paris\\\"}\"}}]},{\"role\":\"tool\",\"content\":\"{\\\"temperature\\\":22,\\\"condition\\\":\\\"sunny\\\"}\",\"tool_call_id\":\"get_weather_mdhvw7kbf1e3\"}],\"stream\":true,\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"get_weather\",\"description\":\"Get current weather for a city.\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}},\"required\":[\"city\"],\"additionalProperties\":false}}}],\"max_tokens\":2048}"
      },
      "response": {
        "status": 200,
        "headers": {
          "content-type": "text/event-stream"
        },
-        "body": "event: message-start\ndata: {\"id\":\"0c6cba0e-442d-4e28-96b2-c3cd6ff3b22d\",\"type\":\"message-start\",\"delta\":{\"message\":{\"role\":\"assistant\",\"content\":[],\"tool_plan\":\"\",\"tool_calls\":[],\"citations\":[]}}}\n\nevent: content-start\ndata: {\"type\":\"content-start\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"type\":\"thinking\",\"thinking\":\"\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"The\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" function\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" returned\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" weather\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" data\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" for\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" Paris\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\".\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" The\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" result\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" shows\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\":\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"\\n-\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" Temperature\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\":\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" 22\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" (\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"presumably\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" degrees\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" Celsius\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\")\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"\\n-\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" Condition\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\":\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" sunny\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"\\n\\nI\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" should\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" present\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" this\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" information\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" to\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" the\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" user\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" in\"}}}}\Line truncated
+        "body": "event: message-start\ndata: {\"id\":\"fd1ac100-b2c5-42f4-ae1c-6de65aa5ef6a\",\"type\":\"message-start\",\"delta\":{\"message\":{\"role\":\"assistant\",\"content\":[],\"tool_plan\":\"\",\"tool_calls\":[],\"citations\":[]}}}\n\nevent: content-start\ndata: {\"type\":\"content-start\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"type\":\"thinking\",\"thinking\":\"\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\"The\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" tool\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" result\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" shows\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" that\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" Paris\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" has\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" sunny\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" weather\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" with\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" a\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" temperature\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" of\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" 22\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" degrees\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\".\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" According\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" to\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" the\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" instructions\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\",\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" after\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" getting\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" the\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" tool\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" result\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\",\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" I\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" need\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" to\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" reply\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" exactly\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\":\"}}}}\n\nevent: content-delta\ndata: {\"type\":\"content-delta\",\"index\":0,\"delta\":{\"message\":{\"content\":{\"thinking\":\" \\\"\"}}}}\n\nevent: cLine truncated
      }
    }
  ]
@@ -2,16 +2,9 @@
  "version": 1,
  "metadata": {
    "model": "mistral-small-latest",
-    "tags": [
-      "prefix:mistral-chat",
-      "provider:mistral",
-      "protocol:mistral-chat",
-      "tool",
-      "tool-loop",
-      "usage"
-    ],
+    "tags": ["prefix:mistral-chat", "provider:mistral", "protocol:mistral-chat", "tool", "tool-loop", "usage"],
    "name": "mistral-chat/drives-a-tool-loop",
-    "recordedAt": "2026-10-03T04:09:49.878Z"
+    "recordedAt": "2026-08-30T17:18:49.552Z"
  },
  "interactions": [
    {
@@ -22,14 +15,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"mistral-small-latest\",\"messages\":[{\"role\":\"system\",\"content\":[{\"type\":\"text\",\"text\":\"Call lookup_weather exactly once with Paris.\"},{\"type\":\"text\",\"text\":\"After the tool result, describe the weather briefly.\"}]},{\"role\":\"user\",\"content\":\"What is the weather?\"}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"lookup_weather\",\"description\":\"Look up the current weather for a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false},\"strict\":false}}],\"tool_choice\":{\"type\":\"function\",\"function\":{\"name\":\"lookup_weather\"}},\"stream\":true,\"max_tokens\":160,\"temperature\":0,\"reasoning_effort\":\"none\"}"
+        "body": "{\"model\":\"mistral-small-latest\",\"messages\":[{\"role\":\"system\",\"content\":\"Call lookup_weather exactly once with Paris.\"},{\"role\":\"user\",\"content\":\"What is the weather?\"}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"lookup_weather\",\"description\":\"Look up the current weather for a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false},\"strict\":false}}],\"tool_choice\":{\"type\":\"function\",\"function\":{\"name\":\"lookup_weather\"}},\"stream\":true,\"max_tokens\":160,\"temperature\":0,\"reasoning_effort\":\"none\"}"
      },
      "response": {
        "status": 200,
        "headers": {
          "content-type": "text/event-stream; charset=utf-8"
        },
-        "body": "data: {\"id\":\"81417fdbfbeb4714ae737aab701cbee4\",\"object\":\"chat.completion.chunk\",\"created\":1791000589,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"role\":\"assistant\",\"content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"id\":\"81417fdbfbeb4714ae737aab701cbee4\",\"object\":\"chat.completion.chunk\",\"created\":1791000589,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"tool_calls\":[{\"id\":\"EwgHkPRLW\",\"type\":\"function\",\"function\":{\"name\":\"lookup_weather\",\"arguments\":\"{\\\"city\\\": \\\"Paris\\\"}\"},\"index\":0}]},\"finish_reason\":\"tool_calls\"}],\"usage\":{\"prompt_tokens\":120,\"total_tokens\":132,\"completion_tokens\":12,\"prompt_tokens_details\":{\"cached_tokens\":0},\"service_tier\":\"standard\"},\"p\":\"abcdefghij\"}\n\ndata: [DONE]\n\n"
+        "body": "data: {\"id\":\"07491e37a5ed48f9987f1583753a466b\",\"object\":\"chat.completion.chunk\",\"created\":1788110328,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"role\":\"assistant\",\"content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"id\":\"07491e37a5ed48f9987f1583753a466b\",\"object\":\"chat.completion.chunk\",\"created\":1788110328,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"tool_calls\":[{\"id\":\"ffJovBNqY\",\"type\":\"function\",\"function\":{\"name\":\"lookup_weather\",\"arguments\":\"{\\\"city\\\": \\\"Paris\\\"}\"},\"index\":0}]},\"finish_reason\":\"tool_calls\"}],\"usage\":{\"prompt_tokens\":110,\"total_tokens\":122,\"completion_tokens\":12,\"prompt_tokens_details\":{\"cached_tokens\":0},\"service_tier\":\"standard\"},\"p\":\"abcdefghijklm\"}\n\ndata: [DONE]\n\n"
      }
    },
    {
@@ -40,14 +33,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"mistral-small-latest\",\"messages\":[{\"role\":\"system\",\"content\":[{\"type\":\"text\",\"text\":\"Call lookup_weather exactly once with Paris.\"},{\"type\":\"text\",\"text\":\"After the tool result, describe the weather briefly.\"}]},{\"role\":\"user\",\"content\":\"What is the weather?\"},{\"role\":\"assistant\",\"content\":\"\",\"tool_calls\":[{\"id\":\"EwgHkPRLW\",\"type\":\"function\",\"function\":{\"name\":\"lookup_weather\",\"arguments\":\"{\\\"city\\\":\\\"Paris\\\"}\"}}]},{\"role\":\"tool\",\"tool_call_id\":\"EwgHkPRLW\",\"name\":\"lookup_weather\",\"content\":\"{\\\"condition\\\":\\\"sunny\\\",\\\"temperature\\\":\\\"18C\\\"}\"}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"lookup_weather\",\"description\":\"Look up the current weather for a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false},\"strict\":false}}],\"tool_choice\":\"none\",\"stream\":true,\"max_tokens\":160,\"temperature\":0,\"reasoning_effort\":\"none\"}"
+        "body": "{\"model\":\"mistral-small-latest\",\"messages\":[{\"role\":\"system\",\"content\":\"Call lookup_weather exactly once with Paris.\"},{\"role\":\"user\",\"content\":\"What is the weather?\"},{\"role\":\"assistant\",\"content\":\"\",\"tool_calls\":[{\"id\":\"ffJovBNqY\",\"type\":\"function\",\"function\":{\"name\":\"lookup_weather\",\"arguments\":\"{\\\"city\\\":\\\"Paris\\\"}\"}}]},{\"role\":\"tool\",\"tool_call_id\":\"ffJovBNqY\",\"name\":\"lookup_weather\",\"content\":\"{\\\"condition\\\":\\\"sunny\\\",\\\"temperature\\\":\\\"18C\\\"}\"}],\"tools\":[{\"type\":\"function\",\"function\":{\"name\":\"lookup_weather\",\"description\":\"Look up the current weather for a city\",\"parameters\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false},\"strict\":false}}],\"tool_choice\":\"none\",\"stream\":true,\"max_tokens\":160,\"temperature\":0,\"reasoning_effort\":\"none\"}"
      },
      "response": {
        "status": 200,
        "headers": {
          "content-type": "text/event-stream; charset=utf-8"
        },
-        "body": "data: {\"id\":\"a46eb8ccd1b947ca9d360c3446b295a5\",\"object\":\"chat.completion.chunk\",\"created\":1791000589,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"role\":\"assistant\",\"content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"id\":\"a46eb8ccd1b947ca9d360c3446b295a5\",\"object\":\"chat.completion.chunk\",\"created\":1791000589,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\"The\"},\"finish_reason\":null}],\"p\":\"abcdefghijklmnopqrstuvwxyz01234\"}\n\ndata: {\"id\":\"a46eb8ccd1b947ca9d360c3446b295a5\",\"object\":\"chat.completion.chunk\",\"created\":1791000589,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\" weather in Paris is\"},\"finish_reason\":null}],\"p\":\"abcdefghijkl\"}\n\ndata: {\"id\":\"a46eb8ccd1b947ca9d360c3446b295a5\",\"object\":\"chat.completion.chunk\",\"created\":1791000589,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\" currently sunny with a\"},\"finish_reason\":null}],\"p\":\"abcdefghijklmn\"}\n\ndata: {\"id\":\"a46eb8ccd1b947ca9d360c3446b295a5\",\"object\":\"chat.completion.chunk\",\"created\":1791000589,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\" temperature of 1\"},\"finish_reason\":null}],\"p\":\"abcdefghi\"}\n\ndata: {\"id\":\"a46eb8ccd1b947ca9d360c3446b295a5\",\"object\":\"chat.completion.chunk\",\"created\":1791000589,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\"8°C\"},\"finish_reason\":null}],\"p\":\"abcdefghijklmnopqrstuvwx\"}\n\ndata: {\"id\":\"a46eb8ccd1b947ca9d360c3446b295a5\",\"object\":\"chat.completion.chunk\",\"created\":1791000589,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\".\"},\"finish_reason\":\"stop\"}],\"usage\":{\"prompt_tokens\":67,\"total_tokens\":84,\"completion_tokens\":17,\"prompt_tokens_details\":{\"cached_tokens\":0},\"service_tier\":\"standard\"},\"p\":\"abcdefghijklmnopqrs\"}\n\ndata: [DONE]\n\n"
+        "body": "data: {\"id\":\"8fcd293093b849139fc0893a48bbc7ce\",\"object\":\"chat.completion.chunk\",\"created\":1788110328,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"role\":\"assistant\",\"content\":\"\"},\"finish_reason\":null}]}\n\ndata: {\"id\":\"8fcd293093b849139fc0893a48bbc7ce\",\"object\":\"chat.completion.chunk\",\"created\":1788110328,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\"The\"},\"finish_reason\":null}],\"p\":\"abcdefghijklmn\"}\n\ndata: {\"id\":\"8fcd293093b849139fc0893a48bbc7ce\",\"object\":\"chat.completion.chunk\",\"created\":1788110328,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\" weather in Paris is\"},\"finish_reason\":null}],\"p\":\"abcdefghijklmn\"}\n\ndata: {\"id\":\"8fcd293093b849139fc0893a48bbc7ce\",\"object\":\"chat.completion.chunk\",\"created\":1788110328,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\" currently sunny with\"},\"finish_reason\":null}],\"p\":\"abcdefghijklmnopqrstu\"}\n\ndata: {\"id\":\"8fcd293093b849139fc0893a48bbc7ce\",\"object\":\"chat.completion.chunk\",\"created\":1788110328,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\" a temperature of \"},\"finish_reason\":null}],\"p\":\"abcdef\"}\n\ndata: {\"id\":\"8fcd293093b849139fc0893a48bbc7ce\",\"object\":\"chat.completion.chunk\",\"created\":1788110328,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\"18°C\"},\"finish_reason\":null}],\"p\":\"abcdefghijklmnopqr\"}\n\ndata: {\"id\":\"8fcd293093b849139fc0893a48bbc7ce\",\"object\":\"chat.completion.chunk\",\"created\":1788110328,\"model\":\"mistral-small-latest\",\"choices\":[{\"index\":0,\"delta\":{\"content\":\".\"},\"finish_reason\":\"stop\"}],\"usage\":{\"prompt_tokens\":57,\"total_tokens\":74,\"completion_tokens\":17,\"prompt_tokens_details\":{\"cached_tokens\":0},\"service_tier\":\"standard\"},\"p\":\"abcdefghijklmnopqrstuvwxyz\"}\n\ndata: [DONE]\n\n"
      }
    }
  ]
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Effect, Layer, Stream } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { Image, ImageClient, Media } from "../src/index.js"
 import { BlackForestLabs, Fal, Google, OpenAI, Replicate, Stability, XAI, ZAI } from "../src/providers.js"
 import { it } from "./lib/effect.js"
@@ -1,6 +1,6 @@
 import { Effect, Fiber, Layer, Ref } from "effect"
 import * as TestClock from "effect/testing/TestClock"
-import { HttpClient, HttpClientError, HttpClientRequest, HttpClientResponse } from "effect/http"
+import { HttpClient, HttpClientError, HttpClientRequest, HttpClientResponse } from "effect/unstable/http"
 import { LLMClient, RequestExecutor } from "../../src/route.js"
 import type { Service as LLMClientService } from "../../src/route/client.js"
 import type { Service as RequestExecutorService } from "../../src/route/executor.js"
@@ -2,7 +2,7 @@ import { describe, expect } from "bun:test"
 import { NodeFileSystem } from "@effect/platform-node"
 import { Effect, Ref, Schema } from "effect"
 import { FileSystem } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { AIError, Media, Message } from "../src/index.js"
 import { it } from "./lib/effect.js"
 import { dynamicResponse, scriptedResponses } from "./lib/http.js"
@@ -3,7 +3,7 @@ import { mkdtemp, rm } from "node:fs/promises"
 import { tmpdir } from "node:os"
 import { join } from "node:path"
 import { Effect, Layer } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { AIError, LLMEvent, Media, SpeechEvent, TranscriptionEvent } from "../src/index.js"
 import { RequestExecutor } from "../src/route.js"
 import { AI } from "../src/promise.js"
@@ -1,6 +1,6 @@
 import { expect, test } from "bun:test"
 import { ConfigProvider, Effect } from "effect"
-import { Headers } from "effect/http"
+import { Headers } from "effect/unstable/http"
 import { Auth, LLM, LLMClient, LLMRequest, Message, ReasoningPart, ToolDefinition } from "../../src/index.js"
 import { Alibaba } from "../../src/providers.js"
 import { compileRequest } from "../../src/route/client.js"
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Effect } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import {
  CacheHint,
  LLM,
@@ -1,9 +1,8 @@
 import { EventStreamCodec } from "@smithy/eventstream-codec"
 import { fromUtf8, toUtf8 } from "@smithy/util-utf8"
 import { describe, expect } from "bun:test"
-import { Effect, Ref, Schema, Stream } from "effect"
-import { Base64 } from "effect/encoding"
-import { HttpClientRequest } from "effect/http"
+import { Effect, Encoding, Ref, Schema, Stream } from "effect"
+import { HttpClientRequest } from "effect/unstable/http"
 import {
  Media,
  CacheHint,
@@ -867,7 +866,7 @@ describe("Bedrock Converse route", () => {
          reason: { _tag: "InvalidProviderOutput", classification: "incomplete-stream" },
          message: `Incomplete Bedrock Converse event-stream frame: ${partial.length} buffered bytes remain at end of stream`,
        })
-        expect(error.reason.body).toBe(Base64.encode(partial))
+        expect(error.reason.body).toBe(Encoding.encodeBase64(partial))
      }
    }),
  )
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Effect } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { LLM, Message } from "../../src/index.js"
 import { AmazonBedrockMantle } from "../../src/providers.js"
 import { model } from "../../src/providers/amazon-bedrock/mantle.js"
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import { ConfigProvider, Effect, Schema } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { LLM, LLMEvent } from "../../src/index.js"
 import { CloudflareAIGateway } from "../../src/providers/cloudflare-ai-gateway.js"
 import { CloudflareWorkersAI } from "../../src/providers/cloudflare-workers-ai.js"
@@ -1,6 +1,6 @@
 import { expect } from "bun:test"
 import { Effect } from "effect"
-import { LLM, LLMEvent, LLMRequest, SystemPart } from "../../src/index.js"
+import { LLM, LLMEvent } from "../../src/index.js"
 import { Cohere } from "../../src/providers/cohere.js"
 import { LLMClient } from "../../src/route.js"
 import { expectWeatherToolLoop, goldenWeatherToolLoopRequest, runWeatherToolLoop } from "../recorded-scenarios.js"
@@ -55,20 +55,12 @@ recorded.effect(
  () =>
    Effect.gen(function* () {
      const events = yield* runWeatherToolLoop(
-        LLMRequest.update(
-          goldenWeatherToolLoopRequest({
-            id: "cohere-tool-loop",
-            model: cohere.model("command-a-plus-05-2026"),
-            maxTokens: 2048,
-            temperature: false,
-          }),
-          {
-            system: [
-              SystemPart.make("Use the get_weather tool exactly once."),
-              SystemPart.make("After the tool result, reply exactly: Paris is sunny."),
-            ],
-          },
-        ),
+        goldenWeatherToolLoopRequest({
+          id: "cohere-tool-loop",
+          model: cohere.model("command-a-plus-05-2026"),
+          maxTokens: 2048,
+          temperature: false,
+        }),
      )
      expectWeatherToolLoop(events)
      expect(events.some(LLMEvent.is.toolInputDelta)).toBe(true)
@@ -1,6 +1,6 @@
 import { expect, test } from "bun:test"
 import { Effect } from "effect"
-import { LLM, LLMClient, LLMEvent, Media, Message, SystemPart, isRetryable } from "../../src/index.js"
+import { LLM, LLMClient, LLMEvent, Media, Message, isRetryable } from "../../src/index.js"
 import { Cohere } from "../../src/providers/cohere.js"
 import { compileRequest } from "../../src/route/client.js"
 import { it } from "../lib/effect.js"
@@ -23,7 +23,7 @@ it.effect("Cohere lowers native history, thinking, tools, and sampling", () =>
    const prepared = yield* compileRequest(
      LLM.request({
        model: cohere.model("command-a-reasoning-08-2025"),
-        system: [SystemPart.make("Be concise.\nKeep this newline."), SystemPart.make("Second instructions.")],
+        system: "Be concise.",
        messages: [
          Message.user("Lookup Paris"),
          Message.assistant([{ type: "tool-call", id: "lookup-1", name: "lookup", input: { city: "Paris" } }]),
@@ -44,13 +44,7 @@ it.effect("Cohere lowers native history, thinking, tools, and sampling", () =>
      thinking: { type: "enabled", token_budget: 128 },
      tool_choice: "REQUIRED",
      messages: [
-        {
-          role: "system",
-          content: [
-            { type: "text", text: "Be concise.\nKeep this newline." },
-            { type: "text", text: "Second instructions." },
-          ],
-        },
+        { role: "system", content: "Be concise." },
        { role: "user", content: [{ type: "text", text: "Lookup Paris" }] },
        {
          role: "assistant",
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import { Effect } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { LanguageModel, LLM, Message, ToolCallPart } from "../../src/index.js"
 import { GoogleVertex, GoogleVertexChat, GoogleVertexMessages, GoogleVertexResponses } from "../../src/providers.js"
 import { LLMClient } from "../../src/route.js"
@@ -1,6 +1,6 @@
 import { expect } from "bun:test"
 import { Effect, Layer } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { Image, ImageClient, LLM, LLMEvent, LLMRequest, Media, Message, ToolDefinition } from "../../src/index.js"
 import { Meta } from "../../src/providers/meta.js"
 import { MetaMessages } from "../../src/protocols/meta-messages.js"
@@ -1,6 +1,6 @@
 import { expect } from "bun:test"
 import { ConfigProvider, Effect } from "effect"
-import { Headers } from "effect/http"
+import { Headers } from "effect/unstable/http"
 import { Auth, LLM, LLMClient } from "../../src/index.js"
 import { Meta } from "../../src/providers/index.js"
 import { OpenAIChat } from "../../src/protocols/openai-chat.js"
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import { ConfigProvider, Effect } from "effect"
-import { Headers } from "effect/http"
+import { Headers } from "effect/unstable/http"
 import { LLM } from "../../src/index.js"
 import { MiniMax } from "../../src/providers.js"
 import { AnthropicMessages } from "../../src/protocols/anthropic-messages.js"
@@ -1,7 +1,7 @@
 import { describe, expect, test } from "bun:test"
 import { ConfigProvider, Effect } from "effect"
-import { HttpClientRequest } from "effect/http"
-import { LLM, LLMEvent, Message, SystemPart, ToolDefinition, Media } from "../../src/index.js"
+import { HttpClientRequest } from "effect/unstable/http"
+import { LLM, LLMEvent, Message, ToolDefinition, Media } from "../../src/index.js"
 import { Mistral } from "../../src/providers/index.js"
 import { MistralChat } from "../../src/protocols/index.js"
 import { LLMClient } from "../../src/route.js"
@@ -41,7 +41,7 @@ describe("Mistral Chat", () => {
      const prepared = yield* compileRequest(
        LLM.request({
          model,
-          system: [SystemPart.make("Initial\nKeep this newline."), SystemPart.make("Second instructions.")],
+          system: "Initial",
          messages: [
            Message.system("Updated"),
            Message.user([
@@ -105,13 +105,7 @@ describe("Mistral Chat", () => {
        reasoning_effort: "high",
      })
      expect(prepared.body.messages.slice(0, 4)).toMatchObject([
-        {
-          role: "system",
-          content: [
-            { type: "text", text: "Initial\nKeep this newline." },
-            { type: "text", text: "Second instructions." },
-          ],
-        },
+        { role: "system", content: "Initial" },
        { role: "user", content: "<system-update>\nUpdated\n</system-update>" },
        {
          role: "user",
@@ -1,7 +1,7 @@
 import { configure } from "@opencode/ai/providers/mistral"
 import { describe, expect } from "bun:test"
 import { Effect } from "effect"
-import { LLM, LLMEvent, LLMRequest, Message, SystemPart, ToolChoice, ToolDefinition } from "../../src/index.js"
+import { LLM, LLMEvent, LLMRequest, Message, ToolChoice, ToolDefinition } from "../../src/index.js"
 import { LLMClient } from "../../src/route.js"
 import { compileRequest } from "../../src/route/client.js"
 import { recordedTests } from "../recorded-test.js"
@@ -97,10 +97,7 @@ describe("Mistral recorded", () => {
        const model = configure({ apiKey, providerOptions: { reasoningEffort: "none" } }).model("mistral-small-latest")
        const firstRequest = LLM.request({
          model,
-          system: [
-            SystemPart.make("Call lookup_weather exactly once with Paris."),
-            SystemPart.make("After the tool result, describe the weather briefly."),
-          ],
+          system: "Call lookup_weather exactly once with Paris.",
          prompt: "What is the weather?",
          tools: [weather],
          toolChoice: weather,
@@ -1,6 +1,6 @@
 import { expect } from "bun:test"
 import { ConfigProvider, Effect } from "effect"
-import { Headers } from "effect/http"
+import { Headers } from "effect/unstable/http"
 import { Auth, LLM, LLMClient, Message, ReasoningPart, ToolDefinition } from "../../src/index.js"
 import { Moonshot } from "../../src/providers.js"
 import { AnthropicMessages } from "../../src/protocols/anthropic-messages.js"
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import { ConfigProvider, Effect } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { LLM, Message, ToolDefinition } from "../../src/index.js"
 import {
  AmazonBedrock,
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Effect, Ref, Schema, Stream } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import {
  Media,
  HttpOptions,
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import { Effect, Schema } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { LLM, LLMRequest, Message, ToolCallPart, ToolChoice, ToolDefinition } from "../../src/index.js"
 import { Auth, LLMClient } from "../../src/route.js"
 import { compileRequest } from "../../src/route/client.js"
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Effect, Stream } from "effect"
-import { Socket } from "effect/socket"
+import { Socket } from "effect/unstable/socket"
 import { LLM, LLMRequest, Message, ToolRuntime } from "../../src/index.js"
 import {
  LLMClient,
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { ConfigProvider, Effect, Layer, Logger, Ref, Schema, Stream } from "effect"
-import { Headers, HttpClientRequest } from "effect/http"
+import { Headers, HttpClientRequest } from "effect/unstable/http"
 import {
  Media,
  LLM,
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Effect, Layer } from "effect"
-import { Headers, HttpClientRequest } from "effect/http"
+import { Headers, HttpClientRequest } from "effect/unstable/http"
 import { Image, ImageClient } from "../../src/index.js"
 import { XAI } from "../../src/providers.js"
 import { Auth } from "../../src/route.js"
@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Effect, Layer } from "effect"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { Image, ImageClient } from "../../src/index.js"
 import { ZAI } from "../../src/providers.js"
 import { it } from "../lib/effect.js"
@@ -1,6 +1,6 @@
 import { expect } from "bun:test"
 import { ConfigProvider, Effect } from "effect"
-import { Headers } from "effect/http"
+import { Headers } from "effect/unstable/http"
 import { Auth, LLM, LLMClient, Message, ReasoningPart, ToolDefinition } from "../../src/index.js"
 import { ZAI, ZAICodingPlan } from "../../src/providers.js"
 import { compileRequest } from "../../src/route/client.js"
@@ -1,7 +1,7 @@
 import { HttpRecorder } from "@opencode/http-recorder"
 import { NodeSocket } from "@effect/platform-node"
 import { Layer } from "effect"
-import { Socket } from "effect/socket"
+import { Socket } from "effect/unstable/socket"
 import * as path from "node:path"
 import { fileURLToPath } from "node:url"
 import { LLMClient, RequestExecutor } from "../src/route.js"
@@ -1,6 +1,5 @@
 import { describe, expect } from "bun:test"
-import { Effect, Layer, Stream } from "effect"
-import { Base64 } from "effect/encoding"
+import { Effect, Encoding, Layer, Stream } from "effect"
 import { Speech, SpeechClient, SpeechEvent } from "../src/index.js"
 import { Cartesia, Deepgram, ElevenLabs, Google, OpenAI } from "../src/providers.js"
 import { it } from "./lib/effect.js"
@@ -48,7 +47,7 @@ describe("Speech", () => {
            JSON.stringify({
              candidates: [
                {
-                  content: { parts: [{ inlineData: { mimeType: "audio/wav", data: Base64.encode(bytes) } }] },
+                  content: { parts: [{ inlineData: { mimeType: "audio/wav", data: Encoding.encodeBase64(bytes) } }] },
                  finishReason: "STOP",
                },
              ],
@@ -245,7 +244,7 @@ describe("Speech", () => {
    Effect.gen(function* () {
      const record = (bytes: ReadonlyArray<number>, character: string, start: number) =>
        JSON.stringify({
-          audio_base64: Base64.encode(Uint8Array.from(bytes)),
+          audio_base64: Encoding.encodeBase64(Uint8Array.from(bytes)),
          alignment: {
            characters: [character],
            character_start_times_seconds: [start],
@@ -1,201 +1,14 @@
 import { describe, expect, test } from "bun:test"
-import { Effect, Schema, SchemaGetter } from "effect"
+import { Effect, Schema } from "effect"
 import { LLM } from "../src/index.js"
-import { AnthropicMessages, Gemini, OpenAIChat, OpenAIResponses } from "../src/protocols.js"
+import { OpenAIChat } from "../src/protocols.js"
 import { ToolSchemaProjection } from "../src/protocols/utils/tool-schema.js"
 import { Tool, toDefinitions } from "../src/tool.js"
 import { Auth } from "../src/route.js"
 import { compileRequest } from "../src/route/client.js"
 import { it } from "./lib/effect.js"

-const Token = Schema.Struct({ token: Schema.String })
-const token = {
-  type: "object",
-  properties: { token: { type: "string" } },
-  required: ["token"],
-  additionalProperties: false,
-}
-const fromEmpty = {
-  decode: SchemaGetter.transform(() => ({ token: "default" })),
-  encode: SchemaGetter.transform(() => ({})),
-}
-// Callers send `{}`; the handler receives a token.
-const defaulted = Schema.Struct({}).pipe(Schema.decodeTo(Token, fromEmpty))
-// Callers send a token; the handler receives an empty struct.
-const reversed = Token.pipe(
-  Schema.decodeTo(Schema.Struct({}), {
-    decode: SchemaGetter.transform(() => ({})),
-    encode: SchemaGetter.transform(() => ({ token: "default" })),
-  }),
-)
-
 describe("tool schema projections", () => {
-  test("only normalizes typed empty input structs, preserving raw schemas and output schemas", () => {
-    const schema = { not: { type: "null" } }
-    const definitions = Tool.toDefinitions({
-      typed: Tool.make({
-        description: "Typed",
-        parameters: Schema.Struct({}),
-        success: Schema.Struct({}),
-        execute: () => Effect.succeed({}),
-      }),
-      raw: Tool.make({ description: "Raw", jsonSchema: schema, execute: () => Effect.succeed({}) }),
-    })
-    expect(definitions[0]?.inputSchema).toEqual({ type: "object", properties: {}, additionalProperties: false })
-    expect(definitions[0]?.outputSchema).toEqual(schema)
-    expect(definitions[1]?.inputSchema).toEqual(schema)
-  })
-
-  test("retains empty input descriptions and preserves named outputs and explicit raw schemas", () => {
-    const parameters = Schema.Struct({}).annotate({ identifier: "Ping", description: "No arguments" })
-    const raw = { $ref: "#/$defs/Raw", $defs: { Raw: { not: { type: "null" }, description: "Raw schema" } } }
-    const definitions = Tool.toDefinitions({
-      typed: Tool.make({ description: "Ping", parameters, success: parameters, execute: () => Effect.succeed({}) }),
-      raw: Tool.make({ description: "Raw", jsonSchema: raw, execute: () => Effect.succeed({}) }),
-    })
-    expect(definitions[0]?.inputSchema).toEqual({
-      type: "object",
-      properties: {},
-      additionalProperties: false,
-      description: "No arguments",
-    })
-    expect(definitions[0]?.outputSchema).toEqual({
-      $ref: "#/$defs/Ping",
-      $defs: { Ping: { not: { type: "null" }, description: "No arguments" } },
-    })
-    expect(definitions[1]?.inputSchema).toEqual(raw)
-  })
-
-  test("normalizes inputs whose encoded side is an unchecked empty struct", () => {
-    const definitions = Tool.toDefinitions({
-      defaulted: Tool.make({ description: "Defaulted", parameters: defaulted, success: defaulted }),
-      named: Tool.make({
-        description: "Named",
-        parameters: defaulted.annotate({ identifier: "Defaulted" }),
-        success: Schema.String,
-      }),
-      encodedMetadata: Tool.make({
-        description: "Encoded metadata",
-        parameters: Schema.Struct({})
-          .annotate({ identifier: "Ping", title: "Ping", description: "No arguments" })
-          .pipe(Schema.decodeTo(Token, fromEmpty)),
-        success: Schema.String,
-      }),
-      decodedCheck: Tool.make({
-        description: "Decoded check",
-        parameters: defaulted.check(Schema.makeFilter(() => true, { toJsonSchema: () => ({ minProperties: 1 }) })),
-        success: Schema.String,
-      }),
-      reversed: Tool.make({ description: "Reversed", parameters: reversed, success: Schema.String }),
-      encodedCheck: Tool.make({
-        description: "Encoded check",
-        parameters: Schema.Struct({}).check(Schema.isMinProperties(1)),
-        success: Schema.String,
-      }),
-    })
-    expect(definitions[0]?.inputSchema).toEqual(empty)
-    expect(definitions[0]?.outputSchema).toEqual({ not: { type: "null" } })
-    expect(definitions[1]?.inputSchema).toEqual(empty)
-    expect(definitions[2]?.inputSchema).toEqual({ ...empty, title: "Ping", description: "No arguments" })
-    expect(definitions[3]?.inputSchema).toEqual(empty)
-    expect(definitions[4]?.inputSchema).toEqual(token)
-    expect(definitions[5]?.inputSchema).toEqual({ not: { type: "null" }, minProperties: 1 })
-  })
-
-  const empty = { type: "object", properties: {}, additionalProperties: false }
-  const nonempty = {
-    type: "object",
-    properties: { query: { type: "string" } },
-    required: ["query"],
-    additionalProperties: false,
-  }
-  const raw = { type: "object", properties: { value: { type: "number" } }, additionalProperties: true }
-  const names = ["ping", "lookup", "raw", "reversed"]
-  const schemas = [empty, nonempty, raw, token]
-
-  for (const scenario of [
-    {
-      route: OpenAIChat.route,
-      tools: schemas.map((parameters, index) => ({
-        type: "function",
-        function: { name: names[index], parameters },
-      })),
-    },
-    {
-      route: OpenAIResponses.route,
-      tools: schemas.map((parameters, index) => ({
-        type: "function",
-        name: names[index],
-        parameters,
-      })),
-    },
-    {
-      route: AnthropicMessages.route,
-      tools: schemas.map((input_schema, index) => ({
-        name: names[index],
-        input_schema,
-      })),
-    },
-    {
-      route: Gemini.route,
-      tools: [
-        {
-          functionDeclarations: schemas.map((parametersJsonSchema, index) => ({
-            name: names[index],
-            parametersJsonSchema,
-          })),
-        },
-      ],
-    },
-  ]) {
-    for (const input of [
-      { name: "plain", schema: Schema.Struct({}) },
-      { name: "described", schema: Schema.Struct({}).annotate({ description: "No arguments" }) },
-      { name: "named", schema: Schema.Struct({}).annotate({ identifier: "Ping" }) },
-      {
-        name: "named and described",
-        schema: Schema.Struct({}).annotate({ identifier: "Ping", description: "No arguments" }),
-      },
-      { name: "encoded", schema: defaulted },
-      { name: "named encoded", schema: defaulted.annotate({ identifier: "Ping" }) },
-    ]) {
-      it.effect(
-        `${scenario.route.id} prepares ${input.name} empty Effect Struct tools alongside nonempty and raw schemas`,
-        () =>
-          Effect.gen(function* () {
-            const prepared = yield* compileRequest(
-              LLM.request({
-                model: scenario.route.with({ auth: Auth.bearer("test") }).model({ id: "test-model" }),
-                prompt: "Use a tool.",
-                tools: Tool.toDefinitions({
-                  ping: Tool.make({
-                    description: "Ping",
-                    parameters: input.schema,
-                    success: Schema.String,
-                    execute: () => Effect.succeed("pong"),
-                  }),
-                  lookup: Tool.make({
-                    description: "Lookup",
-                    parameters: Schema.Struct({ query: Schema.String }),
-                    success: Schema.String,
-                    execute: (input) => Effect.succeed(input.query),
-                  }),
-                  raw: Tool.make({ description: "Raw", jsonSchema: raw, execute: () => Effect.succeed("raw") }),
-                  reversed: Tool.make({
-                    description: "Reversed",
-                    parameters: reversed,
-                    success: Schema.String,
-                    execute: () => Effect.succeed("reversed"),
-                  }),
-                }),
-              }),
-            )
-            expect(prepared.body.tools).toMatchObject(scenario.tools)
-          }),
-      )
-    }
-  }
-
  test("moonshot strips $ref siblings and converts tuple arrays to a schema object", () => {
    expect(
      ToolSchemaProjection.moonshot({
@@ -278,12 +91,7 @@ describe("tool schema projections", () => {
      const exclusive = { oneOf: [{ type: "object" }, { type: "object", required: ["a"] }] }
      const object = { type: "object", properties: {} }

-      expect(yield* parameters(parameterless)).toEqual({
-        type: "object",
-        properties: {},
-        additionalProperties: false,
-        description: "No input.",
-      })
+      expect(yield* parameters(parameterless)).toEqual({ type: "object", description: "No input." })
      expect(yield* parameters({})).toEqual({ type: "object" })
      expect(yield* parameters({ description: "Query", properties: { q: { type: "string" } } })).toEqual({
        type: "object",
@@ -1,7 +1,7 @@
 import { describe, expect } from "bun:test"
 import { Effect, Fiber, Layer, Stream } from "effect"
 import * as TestClock from "effect/testing/TestClock"
-import { HttpClientRequest } from "effect/http"
+import { HttpClientRequest } from "effect/unstable/http"
 import { Media, Transcription, TranscriptionClient, type TranscriptionEvent } from "../src/index.js"
 import { AssemblyAI, Deepgram, ElevenLabs, Google, OpenAI } from "../src/providers.js"
 import { it } from "./lib/effect.js"
@@ -2,7 +2,6 @@
  "$schema": "https://json.schemastore.org/tsconfig.json",
  "extends": "@tsconfig/bun/tsconfig.json",
  "compilerOptions": {
-    "noUnusedLocals": true,
    "module": "NodeNext",
    "moduleResolution": "NodeNext",
    "allowImportingTsExtensions": false,
@@ -1,6 +1,7 @@
 import { expect, test } from "@playwright/test"
 import {
  defineVisualRegions,
+  mapVisualRegions,
  reportVisualStability,
  startVisualProbe,
  stopVisualProbe,
@@ -242,7 +242,7 @@ test("keeps an older answer selected while scrolling within the interaction buff

 test("tracks keyboard scrolling from a focused timeline descendant", async ({ page }, testInfo) => {
  const shellID = "prt_descendant_keyboard_01_shell"
-  await setupTimeline(page, {
+  const timeline = await setupTimeline(page, {
    messages: [...history(12), userMessage(), assistantMessage([shell(shellID, "completed", lines(5))])],
    settings: { shellToolPartsExpanded: false },
    cpuRate: 4,
@@ -15,6 +15,7 @@ import {
  partUpdated,
  renderedPartID,
  setupTimeline,
+  shell,
  status,
  textPart,
  toolPart,
@@ -1,4 +1,4 @@
-import type { Page } from "@playwright/test"
+import type { CDPSession, Page } from "@playwright/test"
 import path from "node:path"
 import { mkdir, writeFile } from "node:fs/promises"

@@ -1,5 +1,5 @@
 import { Schema, SchemaGetter } from "effect"
-import { HttpApi, HttpApiEndpoint, HttpApiGroup, HttpApiSchema } from "effect/http-api"
+import { HttpApi, HttpApiEndpoint, HttpApiGroup, HttpApiSchema } from "effect/unstable/httpapi"
 import { Pty } from "@opencode/schema/pty"
 import { Worktree } from "@opencode/schema/worktree"

@@ -1,8 +1,8 @@
 import type { Page } from "@playwright/test"
 import type { JsonValue, OpenCodeEvent, SessionMessageInfo } from "@opencode/client/promise"
 import { Duration, Effect, Layer } from "effect"
-import { HttpRouter, HttpServer, HttpServerResponse } from "effect/http"
-import { HttpApiBuilder, HttpApiSchema } from "effect/http-api"
+import { HttpRouter, HttpServer, HttpServerResponse } from "effect/unstable/http"
+import { HttpApiBuilder, HttpApiSchema } from "effect/unstable/httpapi"
 import { SERVER } from "./app"
 import { MockApi, MockBadRequest, MockInternal, MockNotFound, MockShellNotFound, MockUnsupported } from "./mock-api"
 import { installSseTransport } from "./sse-transport"
@@ -30,7 +30,14 @@ import type { Upload } from "../attachments/uploads"
 import { CommentCard } from "@opencode/session-ui/comment-card"
 import { typeLabel } from "@opencode/session-ui/message-file"
 import { Skill } from "@opencode/schema/skill"
-import type { ComposerAttachment, ComposerComment, ComposerOption, ComposerPrompt, ComposerSuggestion } from "../types"
+import type {
+  ComposerAttachment,
+  ComposerComment,
+  ComposerOption,
+  ComposerPersistedState,
+  ComposerPrompt,
+  ComposerSuggestion,
+} from "../types"
 import type { ComposerEditorModel, ComposerSelectControl } from "./interaction"
 import { isAttachment } from "../prompt-parts"
 import "../attachments/attachments.css"
@@ -35,6 +35,7 @@ import { useIntegrations } from "@/providers/catalog/integrations"
 import { CustomProviderForm } from "@/providers/credentials/dialog"
 import { ProviderModelGroup, ProviderModelIcon } from "@/providers/models/provider-group"
 import type { ModelSelection } from "@/providers/models/selection"
+import { OpenCodeLogo } from "@/providers/opencode-logo"
 import { decode64 } from "@/runtime/persistence/base64"
 import { SettingsList } from "@/settings/list"
 import { useTabs } from "@/shell/tabs/tabs"
@@ -45,7 +45,7 @@ const Current = Persistence.struct({ session: SessionsSchema })

 export const ModelSelectionSchema = Persistence.migrate(
  Current,
-  Persistence.legacy({
+  Schema.Struct({
    session: Persistence.optional(Schema.Record(Schema.String, Schema.Unknown)),
    pick: Persistence.optional(Schema.Record(Schema.String, Schema.Unknown)),
  }).pipe(
@@ -32,7 +32,7 @@ describe("persistence schemas", () => {

  test("legacy migration observes missing fields before initial defaults are applied", () => {
    const current = Persistence.struct({ mode: Schema.Literals(["compact", "full"]), enabled: Schema.Boolean })
-    const stored = Persistence.legacy({
+    const stored = Schema.Struct({
      mode: Schema.optional(Schema.Unknown),
      expanded: Schema.optional(Schema.Boolean),
    }).pipe(
@@ -53,38 +53,6 @@ describe("persistence schemas", () => {
    expect(Schema.encodeSync(schema)(decode({ expanded: true }))).toEqual({ mode: "full", enabled: true })
  })

-  test("legacy read shapes carry unknown nested fields through to the current schema", () => {
-    const current = Persistence.struct({
-      general: Persistence.struct({
-        mode: Schema.Literals(["compact", "full"]),
-        theme: Schema.String,
-        nested: Persistence.struct({ keep: Schema.Boolean }),
-      }),
-      other: Persistence.struct({ flag: Schema.Boolean }),
-    })
-    const stored = Persistence.legacy({
-      general: Persistence.optional(Persistence.legacy({ expanded: Persistence.optional(Schema.Boolean) })),
-    }).pipe(
-      Schema.decode({
-        decode: SchemaGetter.transform((value) => {
-          const general = value.general
-          if (!general || general.expanded === undefined) return value
-          return { ...value, general: { ...general, mode: general.expanded ? "full" : "compact" } }
-        }),
-        encode: SchemaGetter.passthrough(),
-      }),
-    )
-    const schema = Persistence.withInitial(Persistence.migrate(current, stored), {
-      general: { mode: "compact", theme: "light", nested: { keep: false } },
-      other: { flag: false },
-    })
-    const decode = Schema.decodeUnknownSync(schema)
-    expect(decode({ general: { expanded: true, theme: "dark", nested: { keep: true } }, other: { flag: true } })).toEqual({
-      general: { mode: "full", theme: "dark", nested: { keep: true } },
-      other: { flag: true },
-    })
-  })
-
  test("initial merging preserves field codecs and replaces arrays rather than merging indexes", () => {
    const current = Persistence.struct({
      amount: Schema.NumberFromString.check(Schema.isFinite()),
@@ -23,11 +23,13 @@ export function withInitial<S extends Schema.ConstraintCodec<object, unknown>>(
  initial: NoInfer<S["Type"]>,
 ) {
  const schema = isMigrated(definition) ? definition.current : definition
-  const read = isMigrated(definition) ? SchemaParser.decodeUnknownResult(definition.read) : Result.succeed<unknown>
+  const read = isMigrated(definition)
+    ? SchemaParser.decodeUnknownResult(definition.read, { onExcessProperty: "preserve" })
+    : Result.succeed<unknown>
  const encode = Schema.encodeUnknownSync(schema)
  return Schema.Unknown.pipe(
    Schema.decode<Schema.Unknown>({
-      decode: SchemaGetter.transformEffect((value) =>
+      decode: SchemaGetter.transformOrFail((value) =>
        Effect.fromResult(Result.map(read(value), (stored) => merge(initial, recover(schema.ast, stored, initial)))),
      ),
      encode: SchemaGetter.transform((value) => encode(value)),
@@ -36,12 +38,6 @@ export function withInitial<S extends Schema.ConstraintCodec<object, unknown>>(
  )
 }

-// A legacy read shape declares only the fields it migrates. Decoding strips unknown keys, so every
-// struct level in a `migrate` read schema must stay open for the current fields it does not name.
-export function legacy<const Fields extends Schema.Struct.Fields>(fields: Fields) {
-  return Schema.StructWithRest(Schema.Struct(fields), [Schema.Record(Schema.String, Schema.Unknown)])
-}
-
 // Object-level codecs own their recovery. Plain structs can recover fields independently.
 function recover(ast: SchemaAST.AST, value: unknown, initial: unknown): unknown {
  if (value === undefined) return initial