Merge branch 'v2' into review-panel-controls

2026-10-16 02:24:10 +08:00 · 2026-09-29 09:32:15 +02:00
parent 3f0d4fbaed b30c4d00d1
commit 54629580e4
168 changed files with 1813 additions and 476 deletions
@@ -24,6 +24,10 @@ on:
        description: "Override version (optional)"
        required: false
        type: string
+      release_notes:
+        description: "Reviewed V2 release notes for the Discord announcement (optional)"
+        required: false
+        type: string

 concurrency: ${{ github.workflow }}-${{ github.ref }}-${{ (github.ref_name == 'v2' && (inputs.version || inputs.bump) && 'release') || inputs.version || inputs.bump }}

@@ -653,3 +657,19 @@ jobs:
          OPENCODE_DESKTOP_DIST: /tmp/desktop
          CLOUDFLARE_ACCOUNT_ID: 15d29c8639fd3733b1b5486a2acfd968
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+
+  notify-discord-v2:
+    needs:
+      - version
+      - publish
+    if: github.repository == 'anomalyco/opencode' && github.ref_name == 'v2' && needs.version.outputs.release && needs.publish.result == 'success'
+    runs-on: blacksmith-4vcpu-ubuntu-2404
+    steps:
+      # Unlike dev, V2 publishes a tag rather than a GitHub Release event.
+      - name: Announce V2 release in Discord
+        uses: SethCohen/github-releases-to-discord@24d166886aee4646d448c8a389ff9e1ebcab3682 # v1.20.0
+        with:
+          webhook_url: ${{ secrets.DISCORD_WEBHOOK }}
+          release_name: OpenCode V2 ${{ needs.version.outputs.tag }}
+          release_body: ${{ inputs.release_notes }}
+          release_html_url: https://github.com/${{ github.repository }}/tree/${{ needs.version.outputs.tag }}
@@ -32,7 +32,7 @@
    },
    "packages/ai": {
      "name": "@opencode/ai",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@aws-sdk/credential-providers": "3.1057.0",
        "@opencode/schema": "workspace:*",
@@ -54,7 +54,7 @@
    },
    "packages/app": {
      "name": "@opencode/app",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@corvu/drawer": "catalog:",
        "@dnd-kit/abstract": "0.5.0",
@@ -112,7 +112,7 @@
    },
    "packages/cli": {
      "name": "@opencode/cli",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "bin": {
        "opencode": "./bin/opencode.cjs",
        "opencode2": "./bin/opencode2.cjs",
@@ -178,7 +178,7 @@
    },
    "packages/client": {
      "name": "@opencode/client",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@opencode/protocol": "workspace:*",
        "@opencode/schema": "workspace:*",
@@ -204,7 +204,7 @@
    },
    "packages/codemode": {
      "name": "@opencode/codemode",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "acorn": "8.15.0",
        "effect": "catalog:",
@@ -217,7 +217,7 @@
    },
    "packages/console/app": {
      "name": "@opencode/console-app",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@cloudflare/vite-plugin": "1.15.2",
        "@ibm/plex": "6.4.1",
@@ -253,7 +253,7 @@
    },
    "packages/console/core": {
      "name": "@opencode/console-core",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@aws-sdk/client-sts": "3.782.0",
        "@jsx-email/render": "1.1.1",
@@ -280,7 +280,7 @@
    },
    "packages/console/function": {
      "name": "@opencode/console-function",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@openauthjs/openauth": "0.0.0-20250322224806",
        "@opencode/console-core": "workspace:*",
@@ -297,7 +297,7 @@
    },
    "packages/console/mail": {
      "name": "@opencode/console-mail",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@jsx-email/all": "2.2.3",
        "@jsx-email/cli": "1.4.3",
@@ -321,7 +321,7 @@
    },
    "packages/console/support": {
      "name": "@opencode/console-support",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@cloudflare/vite-plugin": "1.15.2",
        "@opencode/console-core": "workspace:*",
@@ -341,7 +341,7 @@
    },
    "packages/core": {
      "name": "@opencode/core",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@ai-sdk/cohere": "3.0.27",
        "@ai-sdk/gateway": "3.0.104",
@@ -409,7 +409,7 @@
    },
    "packages/desktop": {
      "name": "@opencode/desktop",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@zip.js/zip.js": "2.7.62",
        "electron-context-menu": "5.0.0",
@@ -439,7 +439,7 @@
        "drizzle-kit": "catalog:",
        "drizzle-orm": "catalog:",
        "effect": "catalog:",
-        "electron": "44.4.3",
+        "electron": "44.4.5",
        "electron-builder": "26.15.7",
        "electron-vite": "6.0.0-beta.1",
        "puppeteer-core": "25.9.0",
@@ -458,7 +458,7 @@
    },
    "packages/enterprise": {
      "name": "@opencode/enterprise",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@hono/standard-validator": "catalog:",
        "@opencode-ai/sdk": "1.18.21",
@@ -495,7 +495,7 @@
    },
    "packages/function": {
      "name": "@opencode/function",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@octokit/auth-app": "8.0.1",
        "@octokit/rest": "catalog:",
@@ -511,7 +511,7 @@
    },
    "packages/http-recorder": {
      "name": "@opencode/http-recorder",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@effect/platform-node-shared": "4.0.0-rc.112",
      },
@@ -530,7 +530,7 @@
    },
    "packages/httpapi-codegen": {
      "name": "@opencode/httpapi-codegen",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "effect": "catalog:",
        "prettier": "3.6.2",
@@ -543,7 +543,7 @@
    },
    "packages/latex": {
      "name": "@opencode/latex",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@opencode/plugin": "workspace:*",
        "@opentui/core": "catalog:",
@@ -557,7 +557,7 @@
    },
    "packages/merman": {
      "name": "@opencode/merman",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@opencode/plugin": "workspace:*",
        "@opentui/core": "catalog:",
@@ -572,7 +572,7 @@
    },
    "packages/plugin": {
      "name": "@opencode/plugin",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@ai-sdk/provider": "3.0.8",
        "@opencode/ai": "workspace:*",
@@ -611,7 +611,7 @@
    },
    "packages/plugin-browser": {
      "name": "@opencode/plugin-browser",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@opencode/plugin": "workspace:*",
        "@opencode/schema": "workspace:*",
@@ -641,7 +641,7 @@
    },
    "packages/protocol": {
      "name": "@opencode/protocol",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@opencode/schema": "workspace:*",
        "effect": "catalog:",
@@ -656,7 +656,7 @@
    },
    "packages/schema": {
      "name": "@opencode/schema",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@standard-schema/spec": "catalog:",
        "effect": "catalog:",
@@ -680,7 +680,7 @@
    },
    "packages/sdk": {
      "name": "@opencode/sdk",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@opencode/client": "workspace:*",
        "@opencode/core": "workspace:*",
@@ -701,7 +701,7 @@
    },
    "packages/server": {
      "name": "@opencode/server",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@effect/platform-node": "catalog:",
        "@effect/platform-node-shared": "catalog:",
@@ -723,7 +723,7 @@
    },
    "packages/session-ui": {
      "name": "@opencode/session-ui",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@kobalte/core": "catalog:",
        "@opencode/client": "workspace:*",
@@ -758,7 +758,7 @@
    },
    "packages/simulation": {
      "name": "@opencode/simulation",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@opencode/ai": "workspace:*",
        "@opencode/core": "workspace:*",
@@ -778,7 +778,7 @@
    },
    "packages/stats/app": {
      "name": "@opencode/stats-app",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@ibm/plex": "6.4.1",
        "@kobalte/core": "catalog:",
@@ -812,7 +812,7 @@
    },
    "packages/stats/core": {
      "name": "@opencode/stats-core",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@aws-sdk/client-athena": "3.933.0",
        "@planetscale/database": "1.19.0",
@@ -831,7 +831,7 @@
    },
    "packages/stats/server": {
      "name": "@opencode/stats-server",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@aws-sdk/client-firehose": "3.933.0",
        "@effect/platform-node": "catalog:",
@@ -877,7 +877,7 @@
    },
    "packages/theme": {
      "name": "@opencode/theme",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@opentui/core": "catalog:",
        "effect": "catalog:",
@@ -891,7 +891,7 @@
    },
    "packages/tui": {
      "name": "@opencode/tui",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@opencode/client": "workspace:*",
        "@opencode/core": "workspace:*",
@@ -925,7 +925,7 @@
    },
    "packages/ui": {
      "name": "@opencode/ui",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@kobalte/core": "catalog:",
        "@pierre/diffs": "catalog:",
@@ -960,7 +960,7 @@
    },
    "packages/util": {
      "name": "@opencode/util",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@effect/opentelemetry": "catalog:",
        "@effect/platform-node": "catalog:",
@@ -998,7 +998,7 @@
    },
    "packages/web": {
      "name": "@opencode/web",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "@astrojs/cloudflare": "12.6.3",
        "@astrojs/markdown-remark": "6.3.1",
@@ -1039,7 +1039,7 @@
    },
    "services/update": {
      "name": "@opencode/update",
-      "version": "2.0.18",
+      "version": "2.0.19",
      "dependencies": {
        "jose": "6.0.11",
        "semver": "catalog:",
@@ -1119,7 +1119,7 @@
    "@opentui/core": "0.5.12",
    "@opentui/keymap": "0.5.12",
    "@opentui/solid": "0.5.12",
-    "@pierre/diffs": "1.2.10",
+    "@pierre/diffs": "1.5.1",
    "@playwright/test": "1.59.1",
    "@sentry/solid": "10.71.0",
    "@sentry/vite-plugin": "5.4.0",
@@ -2530,11 +2530,11 @@

    "@peculiar/webcrypto": ["@peculiar/webcrypto@1.7.1", "", { "dependencies": { "@peculiar/asn1-schema": "^2.7.0", "@peculiar/json-schema": "^1.1.12", "@peculiar/utils": "^2.0.2", "tslib": "^2.8.1", "webcrypto-core": "^1.9.2" } }, "sha512-ODOov0sGMJMf3jPonOkgGqPknTsu+DdQ7kD++gz8aI+aFMOMHFbWAA2taqXXVTdP+OTOQR/znGvSpmkeI0WTYQ=="],

-    "@pierre/diffs": ["@pierre/diffs@1.2.10", "", { "dependencies": { "@pierre/theme": "1.0.3", "@pierre/theming": "0.0.1", "@shikijs/transformers": "^3.0.0 || ^4.0.0", "diff": "8.0.3", "hast-util-to-html": "9.0.5", "lru_map": "0.4.1", "shiki": "^3.0.0 || ^4.0.0" }, "peerDependencies": { "react": "^18.3.1 || ^19.0.0", "react-dom": "^18.3.1 || ^19.0.0" } }, "sha512-rPeAmDWarxFVTQpaf4y6wTxjZxU44xKJKoJti2zU21P06DVd9nRHZX+xSIObLB307Qjpaesyb1x/j0z94t7vLw=="],
+    "@pierre/diffs": ["@pierre/diffs@1.5.1", "", { "dependencies": { "@pierre/theme": "2.0.0", "@pierre/theming": "1.0.1", "@shikijs/transformers": "^3.0.0 || ^4.0.0", "diff": "9.0.0", "hast-util-to-html": "9.0.5", "lru_map": "0.4.1", "shiki": "^3.0.0 || ^4.0.0" }, "peerDependencies": { "react": "^18.3.1 || ^19.0.0", "react-dom": "^18.3.1 || ^19.0.0" }, "optionalPeers": ["react", "react-dom"] }, "sha512-+EXNfz4ZXI6FHr7P6ToWEORwyYiPVfAmzhA70xF+0y/oNvj7gbNTLJJ6jNzkBjuMbRlu564TAmgYZLc5OyHURA=="],

-    "@pierre/theme": ["@pierre/theme@1.0.3", "", {}, "sha512-sWHv11TMoqKxKDgTIk5VbhQjdPhs8DCcBxbjh3mRlS3YOM/OcrWoGX6MM8eBGn9cUu3M46Py0JnxsG2nJaFTuA=="],
+    "@pierre/theme": ["@pierre/theme@2.0.0", "", {}, "sha512-yNDd9GYLQl1mEUJR8AneJ5e4ohLIHQd/wZLWr4fagt78vS2RwwZNW530vVgHqXFAyFVcFlRmGUD5ramXH46OXw=="],

-    "@pierre/theming": ["@pierre/theming@0.0.1", "", { "peerDependencies": { "@pierre/theme": "^1.0.0", "@shikijs/themes": "^3.0.0 || ^4.0.0", "react": "^18.3.1 || ^19.0.0", "react-dom": "^18.3.1 || ^19.0.0", "shiki": "^3.0.0 || ^4.0.0" }, "optionalPeers": ["@pierre/theme", "@shikijs/themes", "react", "react-dom", "shiki"] }, "sha512-1thlEtJbqdyLzc1ZS2KQa1q7FzDGHT4dTEdKHoyQjOMeWWOmbVG5/ndEfOKfAb5Fzkz8cNJrOjFLiZoDH/A03A=="],
+    "@pierre/theming": ["@pierre/theming@1.0.1", "", { "peerDependencies": { "@pierre/theme": "^1.1.0 || ^2.0.0", "@shikijs/themes": "^3.0.0 || ^4.0.0", "react": "^18.3.1 || ^19.0.0", "react-dom": "^18.3.1 || ^19.0.0", "shiki": "^3.0.0 || ^4.0.0" }, "optionalPeers": ["@pierre/theme", "@shikijs/themes", "react", "react-dom", "shiki"] }, "sha512-WCI5Qd7iprDpISL9fBYOLe8RV53+b7mFNA3bPzl60/2CKCSrsKN8zEcep6Y3BAzvARlmca50zGjDodqPGiTUKA=="],

    "@pierre/trees": ["@pierre/trees@1.0.0-beta.4", "", { "dependencies": { "preact": "11.0.0-beta.0", "preact-render-to-string": "6.6.5" }, "peerDependencies": { "react": "^18.3.1 || ^19.0.0", "react-dom": "^18.3.1 || ^19.0.0" } }, "sha512-OfT1yk9ne8Te5+GB5zUY8yqE6B8BqjBHQJleH4lu8ltwNpoocZl4vXt1AzlEExpxI/pp+AFX5QG+lR3JjtTEag=="],

@@ -3870,7 +3870,7 @@

    "ejs": ["ejs@3.1.10", "", { "dependencies": { "jake": "^10.8.5" }, "bin": { "ejs": "bin/cli.js" } }, "sha512-UeJmFfOrAQS8OJWPZ4qtgHyWExa088/MtK5UEyoJGFH67cDEXkZSviOiKRCZ4Xij0zxI3JECgYs3oKx+AizQBA=="],

-    "electron": ["electron@44.4.3", "", { "dependencies": { "@electron-internal/extract-zip": "^1.0.1", "@electron/get": "^5.0.0", "@types/node": "^24.9.0" }, "bin": { "electron": "cli.js", "install-electron": "install.js" } }, "sha512-LTpSFTB40qVCXIX5xMo+cgHI/Jjkbjw7VpB26PccEbroqOn72LBukeaDwPVo1fBYzSzs0c9iPuAucFCO7Tw81Q=="],
+    "electron": ["electron@44.4.5", "", { "dependencies": { "@electron-internal/extract-zip": "^1.0.1", "@electron/get": "^5.0.0", "@types/node": "^24.9.0" }, "bin": { "electron": "cli.js", "install-electron": "install.js" } }, "sha512-SjgoaeYsSWZfJzubgQU7juvuXMTvn6/e1gAHdGFA/yuMbpF+I+skYqIJ6DdXBXHeWbkbpNpmwZCTpiivtlWZSw=="],

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@@ -6258,11 +6258,7 @@

    "@parcel/watcher/detect-libc": ["detect-libc@1.0.3", "", { "bin": { "detect-libc": "./bin/detect-libc.js" } }, "sha512-pGjwhsmsp4kL2RTz08wcOlGN83otlqHeD/Z5T8GXZB+/YcpQ/dgo+lbU8ZsGxV0HIvqqxo9l7mqYwyYMD9bKDg=="],

-    "@pierre/diffs/diff": ["diff@8.0.3", "", {}, "sha512-qejHi7bcSD4hQAZE0tNAawRK1ZtafHDmMTMkrrIGgSLl7hTnQHmKCeB45xAcbfTqK2zowkM3j3bHt/4b/ARbYQ=="],
-
-    "@pierre/diffs/react": ["react@19.2.8", "", {}, "sha512-PWaYA1L/q9u2u7xYQi+Y3L3Yfnie7XyLeaJICV1MGD6LprsBxcAqGjYyr0eY3p+QdsA+x/Irkt4Qif8D63+Sbw=="],
-
-    "@pierre/diffs/react-dom": ["react-dom@19.2.8", "", { "dependencies": { "scheduler": "^0.27.0" }, "peerDependencies": { "react": "^19.2.8" } }, "sha512-rVprimfGBG3DR+Tq0IQG2DT5PxKth1WIGDmj5yPmlzr4YBe7uyE+Du4oVqTDXZSHGGGXRtTJEGSSePyQCMBglQ=="],
+    "@pierre/diffs/diff": ["diff@9.0.0", "", {}, "sha512-svtcdpS8CgJyqAjEQIXdb3OjhFVVYjzGAPO8WGCmRbrml64SPw/jJD4GoE98aR7r25A0XcgrK3F02yw9R/vhQw=="],

    "@pierre/trees/react": ["react@19.2.8", "", {}, "sha512-PWaYA1L/q9u2u7xYQi+Y3L3Yfnie7XyLeaJICV1MGD6LprsBxcAqGjYyr0eY3p+QdsA+x/Irkt4Qif8D63+Sbw=="],

@@ -7160,8 +7156,6 @@

    "@oxc-resolver/binding-wasm32-wasi/@emnapi/core/@emnapi/wasi-threads": ["@emnapi/wasi-threads@1.2.2", "", { "dependencies": { "tslib": "^2.4.0" } }, "sha512-c95qOXkHdydNKhscBTebqEC1CVAZpyqOfVfBzQ1qgzyl3gfeldUjIggDbIZgDKsHLgnsM+igH7TJ/eAasaVuMA=="],

-    "@pierre/diffs/react-dom/scheduler": ["scheduler@0.27.0", "", {}, "sha512-eNv+WrVbKu1f3vbYJT/xtiF5syA5HPIMtf9IgY/nKg0sWqzAUEvqY/xm7OcZc/qafLx/iO9FgOmeSAp4v5ti/Q=="],
-
    "@pierre/trees/react-dom/scheduler": ["scheduler@0.27.0", "", {}, "sha512-eNv+WrVbKu1f3vbYJT/xtiF5syA5HPIMtf9IgY/nKg0sWqzAUEvqY/xm7OcZc/qafLx/iO9FgOmeSAp4v5ti/Q=="],

    "@puppeteer/browsers/yargs/cliui": ["cliui@9.0.1", "", { "dependencies": { "string-width": "^7.2.0", "strip-ansi": "^7.1.0", "wrap-ansi": "^9.0.0" } }, "sha512-k7ndgKhwoQveBL+/1tqGJYNz097I7WOvwbmmU2AR5+magtbjPWQTS1C5vzGkBC8Ym8UWRzfKUzUUqFLypY4Q+w=="],
@@ -2,7 +2,7 @@
  "$schema": "https://json.schemastore.org/package.json",
  "name": "opencode",
  "description": "AI-powered development tool",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "private": true,
  "type": "module",
  "packageManager": "bun@1.4.2",
@@ -68,7 +68,7 @@
      "@tsconfig/bun": "1.0.9",
      "@cloudflare/workers-types": "4.20251008.0",
      "@openauthjs/openauth": "0.0.0-20250322224806",
-      "@pierre/diffs": "1.2.10",
+      "@pierre/diffs": "1.5.1",
      "opentui-spinner": "0.0.7",
      "@solid-primitives/event-listener": "2.4.6",
      "@solid-primitives/media": "2.3.6",
@@ -129,8 +129,9 @@ VercelAIGateway.configure().experimental.evaluation("typesafe-ai/jev")

 OpenRouter reads `OPENROUTER_API_KEY`. Vercel reads `AI_GATEWAY_API_KEY`, then `VERCEL_OIDC_TOKEN`.
 The common API uses `boolean`; System One routes lower it to native `noul`.
-Choice and score confidence plus score legends remain available in provider metadata, and the
-provider's rounded probabilities are returned unchanged.
+Choice and score answers include `confidence` when the provider returns it, such as
+`response.answers.department.confidence`. Score legends remain available in provider metadata, and
+the provider's rounded probabilities are returned unchanged.

 ## Alibaba Cloud Model Studio

@@ -1,6 +1,6 @@
 {
  "$schema": "https://json.schemastore.org/package.json",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "name": "@opencode/ai",
  "type": "module",
  "license": "MIT",
@@ -38,8 +38,15 @@ const resolve = (policy: CachePolicy | undefined): CachePolicyObject => {
 // prefix caching, Gemini's implicit + out-of-band CachedContent). Skip the
 // whole policy pass for these — emitting hints would be harmless but pointless.
 const RESPECTS_INLINE_HINTS = new Set([
+  "alibaba-messages",
  "anthropic-messages",
+  "anthropic-compatible-messages",
+  "cloudflare-ai-gateway-messages",
  "google-vertex-messages",
+  "meta-messages",
+  "minimax-messages",
+  "moonshot-messages",
+  "zai-coding-messages",
  "bedrock-converse",
  "openrouter",
 ])
@@ -63,6 +63,7 @@ export const ChoiceAnswer = Schema.Struct({
  type: Schema.Literal("choice"),
  choice: Schema.String,
  probabilities: Schema.optional(Schema.Record(Schema.String, Probability)),
+  confidence: Schema.optional(Probability),
 })
 export type ChoiceAnswer = Schema.Schema.Type<typeof ChoiceAnswer>

@@ -70,6 +71,7 @@ export const ScoreAnswer = Schema.Struct({
  type: Schema.Literal("score"),
  score: Schema.Number,
  probabilities: Schema.optional(Schema.Record(Schema.String, Probability)),
+  confidence: Schema.optional(Probability),
 })
 export type ScoreAnswer = Schema.Schema.Type<typeof ScoreAnswer>

@@ -92,6 +94,7 @@ export type AnswerFor<Question extends EvaluationQuestion> = Question extends {
      readonly type: "choice"
      readonly choice: Extract<keyof Criteria, string>
      readonly probabilities?: Readonly<Record<Extract<keyof Criteria, string>, number>>
+      readonly confidence?: number
    }
  : Question extends { readonly type: "score" }
    ? ScoreAnswer
@@ -142,32 +142,37 @@ export const model = <Options extends EvaluationOptions = EvaluationOptions>(cfg
            Effect.mapError((cause) => fail("System One returned an invalid response", cause, text)),
          )

-          const confidence: Record<string, number> = {}
          const legend: Record<string, Record<string, Schema.Json>> = {}
          const answers = Object.fromEntries(
            Object.entries(data.answers).map(([id, answer]): [string, EvaluationAnswer] => {
              if (answer.type === "noul") return [id, { type: "boolean", probability: answer.noul }]
              if (answer.type === "choice") {
-                if (answer.confidence !== undefined) confidence[id] = answer.confidence
                return [
                  id,
                  {
                    type: "choice",
                    choice: answer.choice,
                    probabilities: answer.probabilities,
+                    ...(answer.confidence === undefined ? {} : { confidence: answer.confidence }),
                  },
                ]
              }
-              if (answer.confidence !== undefined) confidence[id] = answer.confidence
              if (answer.legend !== undefined) legend[id] = answer.legend
-              return [id, { type: "score", score: answer.score, probabilities: answer.probabilities }]
+              return [
+                id,
+                {
+                  type: "score",
+                  score: answer.score,
+                  probabilities: answer.probabilities,
+                  ...(answer.confidence === undefined ? {} : { confidence: answer.confidence }),
+                },
+              ]
            }),
          )
          const meta = {
            ...(data.id === undefined ? {} : { responseId: data.id }),
            ...(data.provider === undefined ? {} : { provider: data.provider }),
            ...data.provider_metadata?.[cfg.providerMetadataKey],
-            ...(Object.keys(confidence).length === 0 ? {} : { confidence }),
            ...(Object.keys(legend).length === 0 ? {} : { legend }),
          }
          return new EvaluationResponse({
@@ -29,6 +29,7 @@ import { JsonObject, knownString, optionalArray, optionalNull, ProviderShared }
 import { classifyProviderFailure } from "../provider-error.js"
 import { effortUpdate, resolveEffortUpdates } from "../effort-updates.js"
 import * as Cache from "./utils/cache.js"
+import { claudeVersion, supportsThinkingBlockBinding, THINKING_BINDING_BETA } from "./utils/claude-model.js"
 import { Lifecycle } from "./utils/lifecycle.js"
 import { ToolStream } from "./utils/tool-stream.js"

@@ -988,22 +989,6 @@ const lowerMessages = Effect.fn("AnthropicMessages.lowerMessages")(function* (
  return messages
 })

-// Accept gateway namespaces and Vertex suffixes without treating a snapshot date as a minor version.
-const claudeVersion = (id: string) => {
-  const match = /(?:^|[./])claude-(?<family>[a-z]+)-(?<major>\d+)(?:[.-](?<minor>\d{1,2}))?(?:$|[-:@])/.exec(
-    id.toLowerCase(),
-  )?.groups
-  if (!match) return undefined
-  return { family: match.family, major: Number(match.major), minor: Number(match.minor ?? 0) }
-}
-
-const supportsThinkingBlockBinding = (model: LLMRequest["model"]) => {
-  const override = model.compatibility?.supportsThinkingBlockBinding
-  if (override !== undefined) return override
-  const version = claudeVersion(model.id)
-  return version !== undefined && (version.major > 5 || (version.major === 5 && version.minor >= 1))
-}
-
 const supportsEffortUpdates = (model: LLMRequest["model"]) => {
  const override = model.compatibility?.supportsEffortUpdates
  if (override !== undefined) return override
@@ -1652,8 +1637,7 @@ function requiredBetaHeaders(body: Pick<AnthropicMessagesBody, "messages" | "con
    betas.push("mid-conversation-output-config-2026-07-01")

  const thinking = body.thinking
-  if (thinking && thinking.type !== "disabled" && thinking.block_binding)
-    betas.push("thinking-binding-controls-2026-08-01")
+  if (thinking && thinking.type !== "disabled" && thinking.block_binding) betas.push(THINKING_BINDING_BETA)
  return betas
 }

@@ -23,6 +23,7 @@ import { JsonObject, optionalArray, ProviderShared } from "./shared.js"
 import { BedrockAuth } from "./utils/bedrock-auth.js"
 import { BedrockCache } from "./utils/bedrock-cache.js"
 import { BedrockMedia } from "./utils/bedrock-media.js"
+import { supportsThinkingBlockBinding, THINKING_BINDING_BETA } from "./utils/claude-model.js"
 import { Lifecycle } from "./utils/lifecycle.js"
 import { MistralToolID } from "./utils/mistral-tool-id.js"
 import { ToolStream } from "./utils/tool-stream.js"
@@ -443,6 +444,23 @@ const decodeOptions = ProviderShared.validateWith(Schema.decodeUnknownEffect(Opt
 // Claude on Bedrock requires the thinking budget below `maxTokens`, with a minimum of 1,024.
 const MIN_THINKING_BUDGET = 1_024

+const isThinkingDisabled = Schema.is(
+  Schema.Struct({
+    additionalModelRequestFields: Schema.Struct({ thinking: Schema.Struct({ type: Schema.Literal("disabled") }) }),
+  }),
+)
+
+// Claude 5.1+ binds each thinking signature to the prefix above it. Ask Bedrock to drop the affected blocks instead of
+// failing when that prefix changes. `http.body` overlays this field by field, so callers can still override it.
+const applyThinkingBindingDefault = (request: LLMRequest, thinking: Readonly<Record<string, unknown>> | undefined) => {
+  if (isThinkingDisabled(request.http?.body)) return thinking
+  if (!supportsThinkingBlockBinding(request.model)) return thinking
+  return {
+    ...(thinking ?? { type: "adaptive" as const }),
+    block_binding: { prefix_mismatch_behavior: "drop_block" },
+  }
+}
+
 const fromRequest = Effect.fn("BedrockConverse.fromRequest")(function* (request: LLMRequest) {
  const toolChoice = request.toolChoice ? yield* lowerToolChoice(request.toolChoice) : undefined
  const flattened = ProviderShared.flattenToolRequest(request)
@@ -450,7 +468,8 @@ const fromRequest = Effect.fn("BedrockConverse.fromRequest")(function* (request:
  const options = yield* decodeOptions(request.providerOptions ?? {})
  const maxTokens =
    isNova2(request.model) && isHighReasoningEffort(request.http?.body) ? undefined : generation?.maxTokens
-  const thinking =
+  const thinking = applyThinkingBindingDefault(
+    request,
    options.thinking === undefined
      ? undefined
      : {
@@ -460,7 +479,8 @@ const fromRequest = Effect.fn("BedrockConverse.fromRequest")(function* (request:
            maxTokens,
            MIN_THINKING_BUDGET,
          ),
-        }
+        },
+  )
  // Bedrock-Claude shares Anthropic's 4-breakpoint cap. Spend the budget in
  // tools → system → messages order to favour the highest-impact prefixes.
  const breakpoints = BedrockCache.breakpoints(request.model.id)
@@ -509,6 +529,8 @@ const fromRequest = Effect.fn("BedrockConverse.fromRequest")(function* (request:
        : {
            ...(generation?.topK === undefined ? {} : { top_k: generation.topK }),
            ...(thinking === undefined ? {} : { thinking }),
+            // Converse takes Anthropic betas in the body, and Bedrock rejects `block_binding` without this one.
+            ...(thinking?.block_binding === undefined ? {} : { anthropic_beta: [THINKING_BINDING_BETA] }),
          },
  }
 })
@@ -555,7 +577,7 @@ interface ParserState {
  readonly hasToolCalls: boolean
  readonly lifecycle: Lifecycle.State
  readonly reasoningSignatures: Readonly<Record<number, string>>
-  readonly reasoningRedactedContent: Readonly<Record<number, ReadonlyArray<Uint8Array>>>
+  readonly reasoningRedactedContent: Readonly<Record<number, Uint8Array[]>>
 }

 const encodeRedactedContent = (chunks: ReadonlyArray<Uint8Array>) => Encoding.encodeBase64(concatBytes(chunks))
@@ -605,10 +627,9 @@ const step = (state: ParserState, event: BedrockEvent) =>
      const index = event.contentBlockDelta.contentBlockIndex
      const reasoning = event.contentBlockDelta.delta.reasoningContent
      const events: LLMEvent[] = []
-      const redactedChunks = yield* (() => {
+      const redactedChunk = yield* (() => {
        if (reasoning.redactedContent === undefined) return Effect.succeed(undefined)
        return Effect.fromResult(Encoding.decodeBase64(reasoning.redactedContent)).pipe(
-          Effect.map((chunk) => [...(state.reasoningRedactedContent[index] ?? []), chunk]),
          Effect.mapError((cause) =>
            ProviderShared.eventError(
              ADAPTER,
@@ -619,17 +640,21 @@ const step = (state: ParserState, event: BedrockEvent) =>
          ),
        )
      })()
-      const redactedData = redactedChunks === undefined ? reasoning.data : encodeRedactedContent(redactedChunks)
+      const redactedChunks = state.reasoningRedactedContent[index] ?? []
+      if (redactedChunk !== undefined) redactedChunks.push(redactedChunk)
      const metadata = (() => {
        if (reasoning.signature) return providerMetadata(state.providerMetadataKey, { signature: reasoning.signature })
-        if (redactedData !== undefined) return providerMetadata(state.providerMetadataKey, { redactedData })
+        if (redactedChunk === undefined && reasoning.data !== undefined)
+          return providerMetadata(state.providerMetadataKey, { redactedData: reasoning.data })
      })()
      const lifecycle = (() => {
-        if (reasoning.text === undefined && metadata === undefined) return state.lifecycle
-        return Lifecycle.reasoningDelta(state.lifecycle, events, `reasoning-${index}`, reasoning.text ?? "", metadata)
+        if (reasoning.text !== undefined || metadata !== undefined)
+          return Lifecycle.reasoningDelta(state.lifecycle, events, `reasoning-${index}`, reasoning.text ?? "", metadata)
+        if (redactedChunk !== undefined) return Lifecycle.reasoningStart(state.lifecycle, events, `reasoning-${index}`)
+        return state.lifecycle
      })()
      const reasoningRedactedContent = (() => {
-        if (redactedChunks !== undefined) return { ...state.reasoningRedactedContent, [index]: redactedChunks }
+        if (redactedChunk !== undefined) return { ...state.reasoningRedactedContent, [index]: redactedChunks }
        if (reasoning.data === undefined) return state.reasoningRedactedContent
        return Object.fromEntries(
          Object.entries(state.reasoningRedactedContent).filter(([key]) => key !== String(index)),
@@ -765,7 +790,19 @@ const onHalt = (state: ParserState): ReadonlyArray<LLMEvent> => {
    return state.finishReason.normalized
  })()
  const events: LLMEvent[] = []
-  Lifecycle.finish(state.lifecycle, events, {
+  const lifecycle = Object.entries(state.reasoningRedactedContent).reduce((current, [index, chunks]) => {
+    const signature = state.reasoningSignatures[Number(index)]
+    return Lifecycle.reasoningEnd(
+      current,
+      events,
+      `reasoning-${index}`,
+      providerMetadata(
+        state.providerMetadataKey,
+        signature ? { signature } : { redactedData: encodeRedactedContent(chunks) },
+      ),
+    )
+  }, state.lifecycle)
+  Lifecycle.finish(lifecycle, events, {
    reason: {
      ...state.finishReason,
      normalized,
@@ -10,14 +10,19 @@ const WebSearch = Schema.Struct({
  name: Schema.Literal("web_search"),
  user_location: MetaResponses.WebSearch.fields.user_location,
 })
+const MetaCacheControl = Schema.Struct({
+  type: Schema.tag("ephemeral"),
+  ttl: Schema.optional(Schema.Literals(["5m", "1h"])),
+})
+const FunctionTool = Schema.Struct({
+  name: Schema.String,
+  description: Schema.String,
+  input_schema: JsonObject,
+  cache_control: Schema.optional(MetaCacheControl),
+})
 const Body = Schema.Struct({
  ...AnthropicMessages.AnthropicMessagesBody.fields,
-  tools: optionalArray(
-    Schema.Union([
-      Schema.Struct({ name: Schema.String, description: Schema.String, input_schema: JsonObject }),
-      WebSearch,
-    ]),
-  ),
+  tools: optionalArray(Schema.Union([FunctionTool, WebSearch])),
 })

 const fromRequest = Effect.fn("MetaMessages.fromRequest")(function* (request: LLMRequest) {
@@ -0,0 +1,19 @@
+import type { LLMRequest } from "../../schema/index.js"
+
+export const THINKING_BINDING_BETA = "thinking-binding-controls-2026-08-01"
+
+// Accept gateway namespaces and Vertex suffixes without treating a snapshot date as a minor version.
+export const claudeVersion = (id: string) => {
+  const match = /(?:^|[./])claude-(?<family>[a-z]+)-(?<major>\d+)(?:[.-](?<minor>\d{1,2}))?(?:$|[-:@])/.exec(
+    id.toLowerCase(),
+  )?.groups
+  if (!match) return undefined
+  return { family: match.family, major: Number(match.major), minor: Number(match.minor ?? 0) }
+}
+
+export const supportsThinkingBlockBinding = (model: LLMRequest["model"]) => {
+  const override = model.compatibility?.supportsThinkingBlockBinding
+  if (override !== undefined) return override
+  const version = claudeVersion(model.id)
+  return version !== undefined && (version.major > 5 || (version.major === 5 && version.minor >= 1))
+}
@@ -1,4 +1,4 @@
-import { Option, Schema } from "effect"
+import { Option, Schema, SchemaGetter } from "effect"
 import {
  AuthenticationError,
  ContentPolicyError,
@@ -109,7 +109,8 @@ const QUOTA_CODES = new Set([
  "freeusagelimiterror",
  "creditlimitexceeded",
 ])
-const AUTH_CODES = new Set(["authentication_error", "permission_error"])
+// Google reports an invalid API key as HTTP 400 INVALID_ARGUMENT with this `details[].reason`.
+const AUTH_CODES = new Set(["authentication_error", "permission_error", "api_key_invalid"])
 const SERVER_CODES = new Set([
  "api_error",
  "internal_error",
@@ -154,6 +155,41 @@ const CONTENT_POLICY_TEXT =
 const SERVER_ERROR_TEXT =
  /\b(?:try again|(?:please |you can )?retry (?:the |this |your )?request|try (?:the |this |your )?request again|(?:currently |temporarily )?at capacity|overloaded|temporarily unavailable|service[-_\s]?unavailable|(?:server|internal)[-_\s]?error|server (?:is )?busy|provider returned (?:an )?error|resource[-_\s]?exhausted|upstream (?:connect|connection|request)|request buffer limit while retrying upstream)\b/i

+const Message = Schema.String.check(Schema.isPattern(/\S/))
+
+const messageAt = <Fields extends Schema.Struct.Fields>(
+  fields: Fields,
+  message: (body: Schema.Struct<Fields>["Type"]) => string,
+) =>
+  Schema.Struct(fields).pipe(
+    Schema.decodeTo(Schema.String, {
+      decode: SchemaGetter.transform(message),
+      encode: SchemaGetter.forbidden(() => "Provider error messages are decode-only"),
+    }),
+  )
+
+// Common error body layouts that carry a human-readable message, in priority order.
+// Provider-specific layouts belong in their protocol.
+const decodeMessage = Schema.decodeUnknownOption(
+  Schema.fromJsonString(
+    Schema.Union([
+      messageAt({ error: Schema.Struct({ message: Message }) }, (body) => body.error.message),
+      messageAt({ error: Message }, (body) => body.error),
+      messageAt({ message: Message }, (body) => body.message),
+      // AWS services
+      messageAt({ Message: Message }, (body) => body.Message),
+      // RFC 9457 problem details
+      messageAt({ detail: Message }, (body) => body.detail),
+      messageAt(
+        { errors: Schema.NonEmptyArray(Schema.Struct({ message: Message })) },
+        (body) => body.errors[0].message,
+      ),
+    ]),
+  ),
+)
+
+export const providerErrorMessage = (body: string) => Option.getOrUndefined(decodeMessage(body))
+
 export interface ProviderFailure {
  readonly message: string
  readonly status?: number | undefined
@@ -259,6 +295,10 @@ function providerCodes(value: unknown) {
    error?.type,
    error?.status,
    error?.error_type,
+    // Google `google.rpc.ErrorInfo` details carry the specific reason.
+    ...(Array.isArray(error?.details)
+      ? error.details.map((detail) => (isRecord(detail) ? detail.reason : undefined))
+      : []),
    inner?.code,
    metadata?.error_type,
    responseError?.code,
@@ -28,7 +28,8 @@ export type Settings = ProviderPackage.Settings &
    readonly provider?: string
  }

-export const routes = [AnthropicMessages.route]
+const compatibleRoute = AnthropicMessages.route.with({ id: "anthropic-compatible-messages", provider: id })
+export const routes = [compatibleRoute]

 const auth = (input: ProviderAuthOption<"optional">) => {
  if ("auth" in input && input.auth) return input.auth
@@ -43,7 +44,7 @@ export const configure = (input: Config) => {
      message: "Anthropic-compatible providers require a baseURL",
    })
  const { provider: _, baseURL, apiKey: _apiKey, auth: _auth, ...rest } = input
-  const route = AnthropicMessages.route.with({
+  const route = (provider === "anthropic" ? AnthropicMessages.route : compatibleRoute).with({
    ...rest,
    provider,
    endpoint: { baseURL },
@@ -35,13 +35,13 @@ const RESPONSES_WEBSOCKET_ROTATE_AFTER_MS = 24 * 60 * 1000

 const responsesRoute = Route.make({
  compact: { endpoint: XAIResponses.compact },
-  id: "openai-responses",
+  id: "xai-responses",
  provider: id,
  providerMetadataKey: "xai",
  protocol: XAIResponses.protocol,
  endpoint: Endpoint.path("/responses", { baseURL }),
  transport: OpenResponsesChannel.transport({
-    id: "openai-responses",
+    id: "xai-responses",
    name: "xAI Responses",
    rotateAfterMs: RESPONSES_WEBSOCKET_ROTATE_AFTER_MS,
    // xAI continues a chain only from stored responses: with `store: false` (the route default) `previous_response_id`
@@ -53,7 +53,7 @@ const responsesRoute = Route.make({
 })

 const chatRoute = Route.make({
-  id: "openai-compatible-chat",
+  id: "xai-chat",
  provider: id,
  providerMetadataKey: "xai",
  protocol: OpenAIChat.protocol,
@@ -8,7 +8,7 @@ import {
  HttpClientResponse,
 } from "effect/unstable/http"
 import { HttpContext, HttpRateLimitDetails, AIError, TransportError } from "../schema/index.js"
-import { classifyProviderFailure } from "../provider-error.js"
+import { classifyProviderFailure, providerErrorMessage } from "../provider-error.js"
 import { Service, type HttpMiddleware, type Interface } from "./executor-service.js"

 export { Service } from "./executor-service.js"
@@ -84,21 +84,17 @@ export const responseHttp = (response: HttpClientResponse.HttpClientResponse) =>
    headers: headerDetails(response.headers),
  })

-const decodeProviderBody = Schema.decodeUnknownOption(
-  Schema.fromJsonString(
-    Schema.Struct({
-      message: Schema.optionalKey(Schema.String),
-      error: Schema.optionalKey(Schema.Struct({ message: Schema.optionalKey(Schema.String) })),
-    }),
-  ),
-)
+const MAX_BODY_CHARS = 2000

+// Without a recognized message, show the raw body so the provider's explanation is never dropped.
 const providerMessage = (status: number, body: string | void) => {
-  const decoded = body === undefined ? undefined : Option.getOrUndefined(decodeProviderBody(body))
-  return (
-    [decoded?.error?.message, decoded?.message].find((message) => message?.trim()) ??
-    `Provider request failed with HTTP ${status}`
-  )
+  const fallback = `Provider request failed with HTTP ${status}`
+  const text = body?.trim() ?? ""
+  const message = providerErrorMessage(text)
+  if (message) return message
+  // Gateway and proxy HTML error pages are markup, not an explanation.
+  if (!text || /^<(?:!doctype|html)/i.test(text)) return fallback
+  return `${fallback}: ${text.length > MAX_BODY_CHARS ? `${text.slice(0, MAX_BODY_CHARS)}…` : text}`
 }

 const statusError = (response: HttpClientResponse.HttpClientResponse) =>
@@ -3,7 +3,17 @@ import { Effect } from "effect"
 import { CacheHint, LLM, Message } from "../src/index.js"
 import { Auth } from "../src/route.js"
 import { compileRequest } from "../src/route/client.js"
-import { AmazonBedrock, GoogleVertexMessages } from "../src/providers.js"
+import {
+  Alibaba,
+  AmazonBedrock,
+  AnthropicCompatible,
+  CloudflareAIGateway,
+  GoogleVertexMessages,
+  Meta,
+  MiniMax,
+  Moonshot,
+  ZAICodingPlan,
+} from "../src/providers.js"
 import * as AnthropicMessages from "../src/protocols/anthropic-messages.js"
 import * as Gemini from "../src/protocols/gemini.js"
 import * as OpenAIChat from "../src/protocols/openai-chat.js"
@@ -107,6 +117,54 @@ describe("applyCachePolicy", () => {
    }),
  )

+  it.effect("'auto' emits Anthropic cache markers on Anthropic-compatible routes", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model: AnthropicCompatible.configure({ apiKey: "test", baseURL: "https://messages.example.test/v1" }).model(
+            "compatible",
+          ),
+          system: "You are concise.",
+          prompt: "hi",
+        }),
+      )
+
+      expect(prepared.route).toBe("anthropic-compatible-messages")
+      expect(prepared.body).toMatchObject({
+        system: [{ type: "text", text: "You are concise.", cache_control: { type: "ephemeral" } }],
+        messages: [{ role: "user", content: [{ type: "text", text: "hi", cache_control: { type: "ephemeral" } }] }],
+      })
+    }),
+  )
+
+  const messagesModels = [
+    ["alibaba-messages", Alibaba.configure({ region: "ap-southeast-1", apiKey: "test" }).messages("qwen3.8-max")],
+    [
+      "cloudflare-ai-gateway-messages",
+      CloudflareAIGateway.configure({ accountId: "test", gatewayId: "test", apiKey: "test" }).model(
+        "anthropic/claude-sonnet-4-6",
+      ),
+    ],
+    ["meta-messages", Meta.configure({ apiKey: "test" }).messages("muse-spark-1.3")],
+    ["minimax-messages", MiniMax.configure({ apiKey: "test" }).model("MiniMax-M3")],
+    ["moonshot-messages", Moonshot.configure({ apiKey: "test" }).messages("kimi-k3")],
+    ["zai-coding-messages", ZAICodingPlan.configure({ apiKey: "test" }).messages("glm-5.3")],
+  ] as const
+
+  messagesModels.forEach(([route, model]) =>
+    it.effect(`'auto' emits cache markers on ${route}`, () =>
+      Effect.gen(function* () {
+        const prepared = yield* compileRequest(LLM.request({ model, system: "Sys", prompt: "hi" }))
+
+        expect(prepared.route).toBe(route)
+        expect(prepared.body).toMatchObject({
+          system: [{ type: "text", text: "Sys", cache_control: { type: "ephemeral" } }],
+          messages: [{ role: "user", content: [{ type: "text", text: "hi", cache_control: { type: "ephemeral" } }] }],
+        })
+      }),
+    ),
+  )
+
  it.effect("'auto' is a no-op on OpenAI (implicit caching protocol)", () =>
    Effect.gen(function* () {
      const prepared = yield* compileRequest(
@@ -39,17 +39,18 @@ describe("experimental Evaluation", () => {
        type: "choice",
        choice: "billing",
        probabilities: { billing: 0.9, technical: 0.1 },
+        confidence: 0.8,
      })
      expect(response.answers.urgency).toEqual({
        type: "score",
        score: 1.2,
        probabilities: { "0": 0, "1": 0.8, "2": 0.2 },
+        confidence: 0.6,
      })
      expect(response.answers.refund).toEqual({ type: "boolean", probability: 0.97 })
      expect(response.usage?.totalTokens).toBe(36)
      expect(response.providerMetadata).toEqual({
        typesafe: {
-          confidence: { department: 0.8, urgency: 0.6 },
          legend: { urgency: { "0": "Can wait", "1": "Needs attention", "2": "Blocking" } },
        },
      })
@@ -26,8 +26,10 @@ const request = Evaluation.request({
 const result = EvaluationClient.evaluate(request)
 type Result = Success<typeof result>
 type Choice = Assert<Equal<Result["answers"]["topic"]["choice"], "billing" | "support">>
+type Confidence = Assert<Equal<Result["answers"]["topic"]["confidence"], number | undefined>>
 type ClientRequirements = Assert<Equal<Requirements<typeof result>, Service>>
 void (true satisfies Choice)
+void (true satisfies Confidence)
 void (true satisfies ClientRequirements)

 Effect.gen(function* () {
@@ -273,10 +273,56 @@ describe("RequestExecutor", () => {
      expectAIError(error)
      expect(error.reason).toMatchObject({ _tag: "InvalidRequest" })
      expect("classification" in error.reason ? error.reason.classification : undefined).toBeUndefined()
-      expect(error.message).toBe("Provider request failed with HTTP 400")
+      expect(error.message).toBe("Provider request failed with HTTP 400: invalid parameter")
    }).pipe(Effect.provide(fixedResponse("invalid parameter", { status: 400 }))),
  )

+  it.effect("shows unrecognized provider error bodies", () =>
+    Effect.gen(function* () {
+      const executor = yield* RequestExecutor.Service
+      const error = yield* executor.execute(request).pipe(Effect.flip)
+
+      expect(error.message).toBe(
+        'Provider request failed with HTTP 422: {"object":"error","message":{"detail":[{"msg":"Input should be less than or equal to 1.5"}]}}',
+      )
+    }).pipe(
+      Effect.provide(
+        fixedResponse('{"object":"error","message":{"detail":[{"msg":"Input should be less than or equal to 1.5"}]}}', {
+          status: 422,
+        }),
+      ),
+    ),
+  )
+
+  it.effect("shows messages from common provider error layouts", () =>
+    Effect.gen(function* () {
+      const executor = yield* RequestExecutor.Service
+      const error = yield* executor.execute(request).pipe(Effect.flip)
+
+      expect(error.message).toBe("Invalid API Key")
+    }).pipe(Effect.provide(fixedResponse('{"detail":"Invalid API Key"}', { status: 401 }))),
+  )
+
+  it.effect("truncates long unrecognized provider error bodies", () =>
+    Effect.gen(function* () {
+      const executor = yield* RequestExecutor.Service
+      const error = yield* executor.execute(request).pipe(Effect.flip)
+
+      expect(error.message).toBe(`Provider request failed with HTTP 400: ${"x".repeat(2000)}…`)
+      expect(error.reason.body).toHaveLength(5000)
+    }).pipe(Effect.provide(fixedResponse("x".repeat(5000), { status: 400 }))),
+  )
+
+  it.effect("does not show HTML error pages", () =>
+    Effect.gen(function* () {
+      const executor = yield* RequestExecutor.Service
+      const error = yield* executor.execute(request).pipe(Effect.flip)
+
+      expect(error.message).toBe("Provider request failed with HTTP 502")
+      expect(error.reason.body).toContain("Bad Gateway")
+    }).pipe(Effect.provide(fixedResponse("<!DOCTYPE html><html><body>Bad Gateway</body></html>", { status: 502 }))),
+  )
+
  it.effect("preserves structured provider messages from large error bodies", () =>
    Effect.gen(function* () {
      const executor = yield* RequestExecutor.Service
@@ -299,7 +345,7 @@ describe("RequestExecutor", () => {
    ),
  )

-  it.effect("falls back when structured provider messages are empty", () =>
+  it.effect("shows the body when structured provider messages are empty", () =>
    Effect.gen(function* () {
      const executor = yield* RequestExecutor.Service
      const error = yield* executor.execute(request).pipe(Effect.flip)
@@ -308,7 +354,7 @@ describe("RequestExecutor", () => {
      expect(error.reason).toMatchObject({
        _tag: "InvalidRequest",
      })
-      expect(error.message).toBe("Provider request failed with HTTP 400")
+      expect(error.message).toBe('Provider request failed with HTTP 400: {"error":{"message":"  "}}')
    }).pipe(Effect.provide(fixedResponse('{"error":{"message":"  "}}', { status: 400 }))),
  )

@@ -154,8 +154,8 @@ describe("public exports", () => {
    expect(XAI.model).toBeFunction()
    expect(XAI.provider.responses).toBe(XAI.responses)
    expect(XAI.provider.chat).toBe(XAI.chat)
-    expect(XAI.configure({ apiKey: "fixture" }).responses("grok-4.3").route.id).toBe("openai-responses")
-    expect(XAI.configure({ apiKey: "fixture" }).chat("grok-4.3").route.id).toBe("openai-compatible-chat")
+    expect(XAI.configure({ apiKey: "fixture" }).responses("grok-4.3").route.id).toBe("xai-responses")
+    expect(XAI.configure({ apiKey: "fixture" }).chat("grok-4.3").route.id).toBe("xai-chat")
    expect(OpenAI.configure({ apiKey: "fixture" }).image("gpt-image-2").route.id).toBe("openai-images")
    expect(OpenAI.provider.image).toBe(OpenAI.image)
    expect(Google.configure({ apiKey: "fixture" }).image("imagen-4.0-generate-001").route.id).toBe("google-images")
@@ -10,7 +10,7 @@
      "usage"
    ],
    "name": "alibaba-messages/qwen-3-7-plus-streams-thinking-disabled",
-    "recordedAt": "2026-09-08T03:10:57.819Z"
+    "recordedAt": "2026-09-29T05:26:24.450Z"
  },
  "interactions": [
    {
@@ -21,14 +21,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"qwen3.7-plus\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}]}],\"stream\":true,\"max_tokens\":4096,\"thinking\":{\"type\":\"disabled\"}}"
+        "body": "{\"model\":\"qwen3.7-plus\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"max_tokens\":4096,\"thinking\":{\"type\":\"disabled\"}}"
      },
      "response": {
        "status": 200,
        "headers": {
          "content-type": "text/event-stream"
        },
-        "body": "event:ping\ndata:{\"type\":\"ping\"}\n\nevent:message_start\ndata:{\"message\":{\"model\":\"qwen3.7-plus\",\"id\":\"msg_c4d58b4f-a61d-9d0c-a9e4-cb45d34b1120\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"usage\":{\"input_tokens\":20,\"output_tokens\":0}},\"type\":\"message_start\"}\n\nevent:content_block_start\ndata:{\"type\":\"content_block_start\",\"content_block\":{\"type\":\"text\",\"text\":\"\"},\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\"3\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\"7887\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_stop\ndata:{\"type\":\"content_block_stop\",\"index\":0}\n\nevent:message_delta\ndata:{\"delta\":{\"stop_reason\":\"end_turn\"},\"type\":\"message_delta\",\"usage\":{\"output_tokens\":5,\"cache_creation_input_tokens\":0,\"input_tokens\":32,\"cache_read_input_tokens\":0,\"prompt_tokens_details\":{\"cached_tokens\":0}}}\n\nevent:message_stop\ndata:{\"type\":\"message_stop\"}\n\n"
+        "body": "event:ping\ndata:{\"type\":\"ping\"}\n\nevent:message_start\ndata:{\"message\":{\"model\":\"qwen3.7-plus\",\"id\":\"msg_39067759-5f01-9b3a-b2c1-09111797f7b5\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"usage\":{\"input_tokens\":20,\"output_tokens\":0}},\"type\":\"message_start\"}\n\nevent:content_block_start\ndata:{\"type\":\"content_block_start\",\"content_block\":{\"type\":\"text\",\"text\":\"\"},\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\"3\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\"788\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\"7\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_stop\ndata:{\"type\":\"content_block_stop\",\"index\":0}\n\nevent:message_delta\ndata:{\"delta\":{\"stop_reason\":\"end_turn\"},\"type\":\"message_delta\",\"usage\":{\"cache_creation\":{\"ephemeral_5m_input_tokens\":0},\"output_tokens\":5,\"cache_creation_input_tokens\":0,\"input_tokens\":32,\"cache_read_input_tokens\":0,\"prompt_tokens_details\":{\"cached_tokens\":0}}}\n\nevent:message_stop\ndata:{\"type\":\"message_stop\"}\n\n"
      }
    }
  ]
@@ -9,7 +9,7 @@
      "structured-output"
    ],
    "name": "alibaba-messages/qwen-3-8-max-follows-a-json-schema",
-    "recordedAt": "2026-09-08T03:11:30.530Z"
+    "recordedAt": "2026-09-29T05:26:41.466Z"
  },
  "interactions": [
    {
@@ -20,14 +20,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Return a JSON object with one key \\\"city\\\" set to the capital city of France.\"}]}],\"stream\":true,\"max_tokens\":1024,\"thinking\":{\"type\":\"disabled\"},\"output_config\":{\"format\":{\"type\":\"json_schema\",\"schema\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}},\"required\":[\"city\"],\"additionalProperties\":false}}}}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Return a JSON object with one key \\\"city\\\" set to the capital city of France.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"max_tokens\":1024,\"thinking\":{\"type\":\"disabled\"},\"output_config\":{\"format\":{\"type\":\"json_schema\",\"schema\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\"}},\"required\":[\"city\"],\"additionalProperties\":false}}}}"
      },
      "response": {
        "status": 200,
        "headers": {
          "content-type": "text/event-stream"
        },
-        "body": "event:ping\ndata:{\"type\":\"ping\"}\n\nevent:message_start\ndata:{\"message\":{\"model\":\"qwen3.8-max\",\"id\":\"msg_16e067c1-984b-94d3-9abb-11792d794271\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"usage\":{\"input_tokens\":18,\"output_tokens\":0}},\"type\":\"message_start\"}\n\nevent:content_block_start\ndata:{\"type\":\"content_block_start\",\"content_block\":{\"type\":\"text\",\"text\":\"\"},\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\"{\\\"\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\"city\\\":\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\" \\\"Paris\\\"}\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_stop\ndata:{\"type\":\"content_block_stop\",\"index\":0}\n\nevent:message_delta\ndata:{\"delta\":{\"stop_reason\":\"end_turn\"},\"type\":\"message_delta\",\"usage\":{\"output_tokens\":6,\"cache_creation_input_tokens\":0,\"input_tokens\":32,\"cache_read_input_tokens\":0,\"prompt_tokens_details\":{\"cached_tokens\":0}}}\n\nevent:message_stop\ndata:{\"type\":\"message_stop\"}\n\n"
+        "body": "event:ping\ndata:{\"type\":\"ping\"}\n\nevent:message_start\ndata:{\"message\":{\"model\":\"qwen3.8-max\",\"id\":\"msg_61ee9b9d-a224-9b69-98f7-9f9ea3937b41\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"usage\":{\"input_tokens\":18,\"output_tokens\":0}},\"type\":\"message_start\"}\n\nevent:content_block_start\ndata:{\"type\":\"content_block_start\",\"content_block\":{\"type\":\"text\",\"text\":\"\"},\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\"{\\\"\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\"city\\\":\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"type\":\"text_delta\",\"text\":\" \\\"Paris\\\"}\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_stop\ndata:{\"type\":\"content_block_stop\",\"index\":0}\n\nevent:message_delta\ndata:{\"delta\":{\"stop_reason\":\"end_turn\"},\"type\":\"message_delta\",\"usage\":{\"cache_creation\":{\"ephemeral_5m_input_tokens\":0},\"output_tokens\":6,\"cache_creation_input_tokens\":0,\"input_tokens\":32,\"cache_read_input_tokens\":0,\"prompt_tokens_details\":{\"cached_tokens\":0}}}\n\nevent:message_stop\ndata:{\"type\":\"message_stop\"}\n\n"
      }
    }
  ]
@@ -10,7 +10,7 @@
      "tool-choice"
    ],
    "name": "alibaba-messages/qwen-3-8-max-obeys-named-tool-choice",
-    "recordedAt": "2026-09-08T03:11:06.590Z"
+    "recordedAt": "2026-09-29T05:26:40.212Z"
  },
  "interactions": [
    {
@@ -21,14 +21,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Find the current weather in Paris.\"}]}],\"tools\":[{\"name\":\"get_weather\",\"description\":\"Get weather in a city\",\"input_schema\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"]}}],\"tool_choice\":{\"type\":\"tool\",\"name\":\"get_weather\"},\"stream\":true,\"max_tokens\":4096,\"thinking\":{\"type\":\"disabled\"}}"
+        "body": "{\"model\":\"qwen3.8-max\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Find the current weather in Paris.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"tools\":[{\"name\":\"get_weather\",\"description\":\"Get weather in a city\",\"input_schema\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"]},\"cache_control\":{\"type\":\"ephemeral\"}}],\"tool_choice\":{\"type\":\"tool\",\"name\":\"get_weather\"},\"stream\":true,\"max_tokens\":4096,\"thinking\":{\"type\":\"disabled\"}}"
      },
      "response": {
        "status": 200,
        "headers": {
          "content-type": "text/event-stream"
        },
-        "body": "event:ping\ndata:{\"type\":\"ping\"}\n\nevent:message_start\ndata:{\"message\":{\"model\":\"qwen3.8-max\",\"id\":\"msg_0e8f1abf-f2bc-9a86-a6a7-14804ac17eac\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"usage\":{\"input_tokens\":45,\"output_tokens\":0}},\"type\":\"message_start\"}\n\nevent:content_block_start\ndata:{\"type\":\"content_block_start\",\"content_block\":{\"name\":\"get_weather\",\"input\":{},\"id\":\"toolu_cf9cab33261f4709ae096d8a\",\"type\":\"tool_use\"},\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"partial_json\":\"\",\"type\":\"input_json_delta\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"partial_json\":\"{\\\"city\\\": \\\"Paris\",\"type\":\"input_json_delta\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"partial_json\":\"\\\"\",\"type\":\"input_json_delta\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"partial_json\":\"}\",\"type\":\"input_json_delta\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_stop\ndata:{\"type\":\"content_block_stop\",\"index\":0}\n\nevent:message_delta\ndata:{\"delta\":{\"stop_reason\":\"end_turn\"},\"type\":\"message_delta\",\"usage\":{\"output_tokens\":19,\"cache_creation_input_tokens\":0,\"input_tokens\":288,\"cache_read_input_tokens\":0,\"prompt_tokens_details\":{\"cached_tokens\":0}}}\n\nevent:message_stop\ndata:{\"type\":\"message_stop\"}\n\n"
+        "body": "event:ping\ndata:{\"type\":\"ping\"}\n\nevent:message_start\ndata:{\"message\":{\"model\":\"qwen3.8-max\",\"id\":\"msg_dab3e1c5-e75e-978d-902e-1b0a82918cff\",\"role\":\"assistant\",\"type\":\"message\",\"content\":[],\"usage\":{\"input_tokens\":45,\"output_tokens\":0}},\"type\":\"message_start\"}\n\nevent:content_block_start\ndata:{\"type\":\"content_block_start\",\"content_block\":{\"name\":\"get_weather\",\"input\":{},\"id\":\"toolu_9a1c3c06a04744cc97df33a2\",\"type\":\"tool_use\"},\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"partial_json\":\"\",\"type\":\"input_json_delta\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"partial_json\":\"{\\\"city\\\": \\\"Paris\",\"type\":\"input_json_delta\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"partial_json\":\"\\\"\",\"type\":\"input_json_delta\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_delta\ndata:{\"delta\":{\"partial_json\":\"}\",\"type\":\"input_json_delta\"},\"type\":\"content_block_delta\",\"index\":0}\n\nevent:content_block_stop\ndata:{\"type\":\"content_block_stop\",\"index\":0}\n\nevent:message_delta\ndata:{\"delta\":{\"stop_reason\":\"end_turn\"},\"type\":\"message_delta\",\"usage\":{\"cache_creation\":{\"ephemeral_5m_input_tokens\":0},\"output_tokens\":19,\"cache_creation_input_tokens\":0,\"input_tokens\":288,\"cache_read_input_tokens\":0,\"prompt_tokens_details\":{\"cached_tokens\":0}}}\n\nevent:message_stop\ndata:{\"type\":\"message_stop\"}\n\n"
      }
    }
  ]
@@ -0,0 +1,34 @@
+{
+  "version": 1,
+  "metadata": {
+    "tags": [
+      "prefix:bedrock-converse-thinking-binding",
+      "provider:amazon-bedrock",
+      "protocol:bedrock-converse",
+      "reasoning"
+    ],
+    "name": "bedrock-converse-thinking-binding/accepts-the-default-binding-with-no-thinking-configured",
+    "recordedAt": "2026-09-28T23:09:14.527Z"
+  },
+  "interactions": [
+    {
+      "transport": "http",
+      "request": {
+        "method": "POST",
+        "url": "https://bedrock-runtime.us-east-1.amazonaws.com/model/global.anthropic.claude-opus-5-5/converse-stream",
+        "headers": {
+          "content-type": "application/json"
+        },
+        "body": "{\"modelId\":\"global.anthropic.claude-opus-5-5\",\"messages\":[{\"role\":\"user\",\"content\":[{\"text\":\"Say hello.\"}]}],\"system\":[{\"text\":\"Reply with the single word 'Hello'.\"}],\"inferenceConfig\":{\"maxTokens\":1024},\"additionalModelRequestFields\":{\"thinking\":{\"type\":\"adaptive\",\"block_binding\":{\"prefix_mismatch_behavior\":\"drop_block\"}},\"anthropic_beta\":[\"thinking-binding-controls-2026-08-01\"]}}"
+      },
+      "response": {
+        "status": 200,
+        "headers": {
+          "content-type": "application/vnd.amazon.eventstream"
+        },
+        "body": "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",
+        "bodyEncoding": "base64"
+      }
+    }
+  ]
+}
@@ -2,9 +2,16 @@
  "version": 1,
  "metadata": {
    "model": "muse-spark-1.3",
-    "tags": ["prefix:meta-messages", "provider:meta", "protocol:meta-messages", "tool", "tool-loop", "reasoning"],
+    "tags": [
+      "prefix:meta-messages",
+      "provider:meta",
+      "protocol:meta-messages",
+      "tool",
+      "tool-loop",
+      "reasoning"
+    ],
    "name": "meta-messages/replays-encrypted-thinking-through-a-tool-loop",
-    "recordedAt": "2026-09-07T17:27:03.540Z"
+    "recordedAt": "2026-09-29T05:29:52.700Z"
  },
  "interactions": [
    {
@@ -15,14 +22,14 @@
        "headers": {
          "content-type": "application/json"
        },
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  ]
@@ -2,9 +2,16 @@
  "version": 1,
  "metadata": {
    "model": "muse-spark-1.3",
-    "tags": ["prefix:meta-messages", "provider:meta", "protocol:meta-messages", "text", "reasoning", "adaptive"],
+    "tags": [
+      "prefix:meta-messages",
+      "provider:meta",
+      "protocol:meta-messages",
+      "text",
+      "reasoning",
+      "adaptive"
+    ],
    "name": "meta-messages/streams-text-with-adaptive-thinking",
-    "recordedAt": "2026-09-07T17:26:18.565Z"
+    "recordedAt": "2026-09-29T05:29:46.263Z"
  },
  "interactions": [
    {
@@ -15,14 +22,14 @@
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          "content-type": "application/json"
        },
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+        "body": "{\"model\":\"muse-spark-1.3\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"max_tokens\":2048,\"thinking\":{\"type\":\"adaptive\",\"display\":\"omitted\"},\"output_config\":{\"effort\":\"low\"}}"
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      "response": {
        "status": 200,
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          "content-type": "text/event-stream"
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      }
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  ]
@@ -2,9 +2,16 @@
  "version": 1,
  "metadata": {
    "model": "muse-spark-1.3",
-    "tags": ["prefix:meta-messages", "provider:meta", "protocol:meta-messages", "text", "reasoning", "enabled"],
+    "tags": [
+      "prefix:meta-messages",
+      "provider:meta",
+      "protocol:meta-messages",
+      "text",
+      "reasoning",
+      "enabled"
+    ],
    "name": "meta-messages/streams-text-with-enabled-thinking",
-    "recordedAt": "2026-09-07T17:26:20.464Z"
+    "recordedAt": "2026-09-29T05:29:50.023Z"
  },
  "interactions": [
    {
@@ -15,14 +22,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"muse-spark-1.3\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}]}],\"stream\":true,\"max_tokens\":2048,\"thinking\":{\"type\":\"enabled\",\"budget_tokens\":1024,\"display\":\"omitted\"},\"output_config\":{\"effort\":\"low\"}}"
+        "body": "{\"model\":\"muse-spark-1.3\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"max_tokens\":2048,\"thinking\":{\"type\":\"enabled\",\"budget_tokens\":1024,\"display\":\"omitted\"},\"output_config\":{\"effort\":\"low\"}}"
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      }
    }
  ]
@@ -11,7 +11,7 @@
      "reasoning"
    ],
    "name": "minimax-messages/m2-7-streams-default-thinking",
-    "recordedAt": "2026-09-07T16:53:20.721Z"
+    "recordedAt": "2026-09-29T05:27:50.902Z"
  },
  "interactions": [
    {
@@ -22,14 +22,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"MiniMax-M2.7\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\"}]}],\"stream\":true,\"max_tokens\":1536}"
+        "body": "{\"model\":\"MiniMax-M2.7\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"What is 173 multiplied by 219? Reply with only the final integer.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"stream\":true,\"max_tokens\":1536}"
      },
      "response": {
        "status": 200,
        "headers": {
          "content-type": "text/event-stream; charset=utf-8"
        },
-        "body": "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"id\":\"bd0c49bb4f5e6f26b77bab9b5a917484\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"model\":\"MiniMax-M2.7\",\"stop_reason\":null,\"stop_sequence\":null,\"usage\":{\"input_tokens\":57,\"output_tokens\":0}}}\n\nevent: ping\ndata: {\"type\":\"ping\"}\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"thinking\",\"thinking\":\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"The user\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" asks: \\\"What is 173 multiplied by 219? Reply with only the final integer.\\\" So we compute 173 * 219. Compute:\\n\\n173 * 219 = \"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"173 * (200 + 19) = 173*200 + 173*19 = 34600 + (173*19). 173*19 = 173*20\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" - 173 = 3460 - 173 = 3287. So total = 34600 + 3287 = 37887.\\n\\nAlternatively compute directly: 219 * \"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"173 = 219 * 173 = (219 * 100) + (219 * 70) + (219 * 3) = 21900 + 15330 + 657\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" = 37887.\\n\\nThus answer is 37887. We must reply with only the final integer: \\\"37887\\\". No extra text.\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"signature_delta\",\"signature\":\"1625da2f905565076ee90b9c2919db39b1719731c0820eca2f2a1c9c28324e87\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0}\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":1,\"content_block\":{\"type\":\"text\",\"text\":\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"text_delta\",\"text\":\"37887\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":1}\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"end_turn\"},\"usage\":{\"input_tokens\":57,\"output_tokens\":187,\"output_tokens_details\":{\"thinking_tokens\":184}}}\n\nevent: message_stop\ndata: {\"type\":\"message_stop\"}\n\n"
+        "body": "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"id\":\"419c5ecf093decc95250bc4cc3afce52\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"model\":\"MiniMax-M2.7\",\"stop_reason\":null,\"stop_sequence\":null,\"usage\":{\"input_tokens\":0,\"output_tokens\":0,\"cache_creation_input_tokens\":21,\"cache_read_input_tokens\":36}}}\n\nevent: ping\ndata: {\"type\":\"ping\"}\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"thinking\",\"thinking\":\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"The user\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" asks: \\\"What is 173 multiplied by 219? Reply with only the final integer.\\\"\\n\\nWe need to calculate 173 * 219 = ?\\n\\nLet's compute.\\n\\n173 *\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" 219:\\n\\nOption 1: compute 173 * 200 = 34,600 (actually 173*200 = 34,600\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"? Wait 173 * 200 = 34,600? Let's check: 173 * 2 = 346, then times 100 = 34,600. Yes\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\".)\\n\\n173 * 19 = 173 * 20 - 173 = 3,460 - 173 = 3\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\",287.\\n\\nAdd them: 34,600 + 3,287 = 37,887.\\n\\nThus product is 37,887.\\n\\nAlternatively, compute \"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"219 * 173: 219*100 = 21,900; 219*70 = 15,330; 219*3 = 657\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"; sum = 21,900 + 15,330 = 37,230; +657 = 37,887. Same.\\n\\nThus answer: 378\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"87.\\n\\nThe user wants only the final integer. So reply \\\"37887\\\". No other text.\\n\\nThus final answer: 37887.\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"signature_delta\",\"signature\":\"48b0f683a3fb6cfc2e060ff709c12a905c76d2e5bdddc709fb5b1cfc5aa600f7\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0}\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":1,\"content_block\":{\"type\":\"text\",\"text\":\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"text_delta\",\"text\":\"37887\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":1}\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"end_turn\"},\"usage\":{\"input_tokens\":0,\"output_tokens\":259,\"cache_creation_input_tokens\":21,\"cache_read_input_tokens\":36,\"output_tokens_details\":{\"thinking_tokens\":256}}}\n\nevent: message_stop\ndata: {\"type\":\"message_stop\"}\n\n"
      }
    }
  ]
@@ -13,7 +13,7 @@
      "usage"
    ],
    "name": "minimax-messages/m3-continues-a-tool-loop-with-adaptive-thinking",
-    "recordedAt": "2026-09-07T16:53:25.185Z"
+    "recordedAt": "2026-09-29T05:27:53.421Z"
  },
  "interactions": [
    {
@@ -24,14 +24,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"MiniMax-M3\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Look up the current weather in Paris using get_weather before answering. After receiving the result, report the weather in one short sentence.\"}]}],\"tools\":[{\"name\":\"get_weather\",\"description\":\"Get the current weather in a city\",\"input_schema\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false}}],\"tool_choice\":{\"type\":\"auto\"},\"stream\":true,\"max_tokens\":1536,\"thinking\":{\"type\":\"adaptive\"}}"
+        "body": "{\"model\":\"MiniMax-M3\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Look up the current weather in Paris using get_weather before answering. After receiving the result, report the weather in one short sentence.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"tools\":[{\"name\":\"get_weather\",\"description\":\"Get the current weather in a city\",\"input_schema\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false},\"cache_control\":{\"type\":\"ephemeral\"}}],\"tool_choice\":{\"type\":\"auto\"},\"stream\":true,\"max_tokens\":1536,\"thinking\":{\"type\":\"adaptive\"}}"
      },
      "response": {
        "status": 200,
        "headers": {
          "content-type": "text/event-stream; charset=utf-8"
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        },
-        "body": "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"id\":\"01664c047875a0f573c966467c8cccc1\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"model\":\"MiniMax-M3\",\"stop_reason\":null,\"stop_sequence\":null,\"usage\":{\"input_tokens\":0,\"output_tokens\":0,\"service_tier\":\"standard\"},\"service_tier\":\"standard\"}}\n\nevent: ping\ndata: {\"type\":\"ping\"}\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"text\",\"text\":\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"378\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"87\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0}\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"end_turn\"},\"usage\":{\"input_tokens\":51,\"output_tokens\":3,\"cache_read_input_tokens\":128,\"service_tier\":\"standard\"}}\n\nevent: message_stop\ndata: {\"type\":\"message_stop\"}\n\n"
+        "body": "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"id\":\"444066751666f2071c999bfd0b4c16b0\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"model\":\"MiniMax-M3\",\"stop_reason\":null,\"stop_sequence\":null,\"usage\":{\"input_tokens\":0,\"output_tokens\":0,\"service_tier\":\"standard\"},\"service_tier\":\"standard\"}}\n\nevent: ping\ndata: {\"type\":\"ping\"}\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"text\",\"text\":\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"378\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"text_delta\",\"text\":\"87\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0}\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"end_turn\"},\"usage\":{\"input_tokens\":179,\"output_tokens\":3,\"service_tier\":\"standard\"}}\n\nevent: message_stop\ndata: {\"type\":\"message_stop\"}\n\n"
      }
    }
  ]
@@ -2,9 +2,16 @@
  "version": 1,
  "metadata": {
    "model": "kimi-k3",
-    "tags": ["prefix:moonshot-messages", "provider:moonshot", "protocol:messages", "tool", "tool-choice", "usage"],
+    "tags": [
+      "prefix:moonshot-messages",
+      "provider:moonshot",
+      "protocol:messages",
+      "tool",
+      "tool-choice",
+      "usage"
+    ],
    "name": "moonshot-messages/k3-respects-tool-choice-required",
-    "recordedAt": "2026-09-07T20:37:07.770Z"
+    "recordedAt": "2026-09-29T05:28:21.798Z"
  },
  "interactions": [
    {
@@ -15,14 +22,14 @@
        "headers": {
          "content-type": "application/json"
        },
-        "body": "{\"model\":\"kimi-k3\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Use get_weather to look up the current weather in Paris.\"}]}],\"tools\":[{\"name\":\"get_weather\",\"description\":\"Get the current weather in a city\",\"input_schema\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false}}],\"tool_choice\":{\"type\":\"any\"},\"stream\":true,\"max_tokens\":4096,\"output_config\":{\"effort\":\"low\"}}"
+        "body": "{\"model\":\"kimi-k3\",\"messages\":[{\"role\":\"user\",\"content\":[{\"type\":\"text\",\"text\":\"Use get_weather to look up the current weather in Paris.\",\"cache_control\":{\"type\":\"ephemeral\"}}]}],\"tools\":[{\"name\":\"get_weather\",\"description\":\"Get the current weather in a city\",\"input_schema\":{\"type\":\"object\",\"properties\":{\"city\":{\"type\":\"string\",\"enum\":[\"Paris\"]}},\"required\":[\"city\"],\"additionalProperties\":false},\"cache_control\":{\"type\":\"ephemeral\"}}],\"tool_choice\":{\"type\":\"any\"},\"stream\":true,\"max_tokens\":4096,\"output_config\":{\"effort\":\"low\"}}"
      },
      "response": {
        "status": 200,
        "headers": {
          "content-type": "text/event-stream"
        },
-        "body": "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"id\":\"chatcmpl-2f2e02780e8a031b1b1307171\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"model\":\"kimi-k3\",\"stop_reason\":null,\"stop_sequence\":null,\"usage\":{\"input_tokens\":223,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"output_tokens\":0,\"service_tier\":\"standard\",\"inference_geo\":\"not_available\",\"prompt_tokens\":223,\"cached_tokens\":0}}}\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"thinking\",\"thinking\":\"\",\"signature\":\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"Need\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" use\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" get\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"_we\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"ather\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" for\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" Paris\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\".\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" Call\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" function\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\".\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" Then\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" final\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" summarize\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" result\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\".\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" Use\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" tool\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\".\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0}\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":1,\"content_block\":{\"type\":\"tool_use\",\"id\":\"get_weather_0\",\"name\":\"get_weather\",\"input\":{}}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"{\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"\\\"city\\\": \\\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"Paris\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"\\\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"}\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":1}\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"tool_use\",\"stop_sequence\":null},\"usage\":{\"input_tokens\":0,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":223,\"output_tokens\":69,\"output_tokens_details\":{\"thinking_tokens\":19},\"prompt_tokens\":223,\"completion_tokens\":69,\"total_tokens\":292,\"cached_tokens\":223}}\n\nevent: message_stop\ndata: {\"type\":\"message_stop\"}\n\n"
+        "body": "event: message_start\ndata: {\"type\":\"message_start\",\"message\":{\"id\":\"chatcmpl-c877bb3f-cb6b-9d0f-b91e-37849d7bff39\",\"type\":\"message\",\"role\":\"assistant\",\"content\":[],\"model\":\"kimi-k3\",\"stop_reason\":null,\"stop_sequence\":null,\"usage\":{\"input_tokens\":223,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"output_tokens\":0,\"cache_creation\":{\"ephemeral_5m_input_tokens\":0,\"ephemeral_1h_input_tokens\":0},\"service_tier\":\"standard\",\"inference_geo\":\"not_available\",\"prompt_tokens\":223,\"cached_tokens\":0}}}\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":0,\"content_block\":{\"type\":\"thinking\",\"thinking\":\"\",\"signature\":\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\"The\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" user explicitly\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" asks to use\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" get_weather for\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" Paris. Need call\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" the\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" tool. Do\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":0,\"delta\":{\"type\":\"thinking_delta\",\"thinking\":\" that.\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":0}\n\nevent: content_block_start\ndata: {\"type\":\"content_block_start\",\"index\":1,\"content_block\":{\"type\":\"tool_use\",\"id\":\"get_weather_0_7e180ea4\",\"name\":\"get_weather\",\"input\":{}}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"{\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"\\\"city\\\":\\\"Paris\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"\\\"\"}}\n\nevent: content_block_delta\ndata: {\"type\":\"content_block_delta\",\"index\":1,\"delta\":{\"type\":\"input_json_delta\",\"partial_json\":\"}\"}}\n\nevent: content_block_stop\ndata: {\"type\":\"content_block_stop\",\"index\":1}\n\nevent: message_delta\ndata: {\"type\":\"message_delta\",\"delta\":{\"stop_reason\":\"tool_use\",\"stop_sequence\":null},\"usage\":{\"input_tokens\":223,\"cache_creation_input_tokens\":0,\"cache_read_input_tokens\":0,\"output_tokens\":73,\"cache_creation\":{\"ephemeral_5m_input_tokens\":0,\"ephemeral_1h_input_tokens\":0},\"output_tokens_details\":{\"thinking_tokens\":20},\"prompt_tokens\":223,\"completion_tokens\":73,\"total_tokens\":296,\"cached_tokens\":0}}\n\nevent: message_stop\ndata: {\"type\":\"message_stop\"}\n\n"
      }
    }
  ]
@@ -1,6 +1,6 @@
 import { describe, expect, test } from "bun:test"
 import { isContextOverflow } from "../src/index.js"
-import { classifyProviderFailure } from "../src/provider-error.js"
+import { classifyProviderFailure, providerErrorMessage } from "../src/provider-error.js"

 describe("provider error classification", () => {
  test("classifies provider token limit messages as context overflow", () => {
@@ -355,6 +355,32 @@ describe("provider error rawBody classification", () => {
    }
  })

+  test("classifies Google invalid API keys as authentication failures", () => {
+    const rawBody = JSON.stringify({
+      error: {
+        code: 400,
+        message: "API key not valid. Please pass a valid API key.",
+        status: "INVALID_ARGUMENT",
+        details: [
+          {
+            "@type": "type.googleapis.com/google.rpc.ErrorInfo",
+            reason: "API_KEY_INVALID",
+            domain: "googleapis.com",
+          },
+          {
+            "@type": "type.googleapis.com/google.rpc.LocalizedMessage",
+            locale: "en-US",
+            message: "API key not valid. Please pass a valid API key.",
+          },
+        ],
+      },
+    })
+    expect(
+      classifyProviderFailure({ message: "API key not valid. Please pass a valid API key.", status: 400, rawBody })
+        ._tag,
+    ).toBe("Authentication")
+  })
+
  test("classifies overflow signals buried in the raw payload when the summary is vague", () => {
    const reason = classifyProviderFailure({
      message: "Request failed",
@@ -370,3 +396,42 @@ describe("provider error rawBody classification", () => {
    ).toBe("QuotaExceeded")
  })
 })
+
+describe("provider error messages", () => {
+  test("reads messages from common error body layouts", () => {
+    expect(
+      [
+        '{"error":{"message":"Invalid API Key","type":"invalid_request_error"}}',
+        '{"code":"invalid-argument","error":"Incorrect API key provided."}',
+        '{"message":"1 validation error detected"}',
+        '{"Message":"Invalid API Key format: Must start with pre-defined prefix"}',
+        '{"type":"about:blank","title":"Gone","status":410,"detail":"The model has reached its end of life"}',
+        '{"result":null,"success":false,"errors":[{"code":10000,"message":"Authentication error"}]}',
+      ].map(providerErrorMessage),
+    ).toEqual([
+      "Invalid API Key",
+      "Incorrect API key provided.",
+      "1 validation error detected",
+      "Invalid API Key format: Must start with pre-defined prefix",
+      "The model has reached its end of life",
+      "Authentication error",
+    ])
+  })
+
+  test("prefers the nested error message over a top-level message", () => {
+    expect(providerErrorMessage('{"message":"Bad Request","error":{"message":"model not found"}}')).toBe(
+      "model not found",
+    )
+  })
+
+  test("ignores blank, non-string, and non-JSON messages", () => {
+    expect(
+      [
+        '{"error":{"message":"  "}}',
+        '{"message":{"detail":[{"msg":"too high"}]}}',
+        '{"errors":[]}',
+        "invalid parameter",
+      ].map(providerErrorMessage),
+    ).toEqual([undefined, undefined, undefined, undefined])
+  })
+})
@@ -300,7 +300,9 @@ describe("provider package entrypoints", () => {
    })

    expect(String(selected.provider)).toBe("example")
-    expect(selected.route.id).toBe("anthropic-messages")
+    expect(selected.route.id).toBe("anthropic-compatible-messages")
+    expect(selected.route.protocol).toBe("anthropic-messages")
+    expect(selected.route.providerMetadataKey).toBe("example")
    expect(selected.route.endpoint).toMatchObject({
      baseURL: "https://messages.example.test/v1",
    })
@@ -319,6 +321,7 @@ describe("provider package entrypoints", () => {
      thinking: { type: "adaptive" },
    })

+    expect(selected.route.id).toBe("anthropic-messages")
    expect(selected.route.defaults.providerOptions).toEqual({ thinking: { type: "adaptive" } })
  })

@@ -0,0 +1,103 @@
+import { describe, expect } from "bun:test"
+import { Effect } from "effect"
+import { LLM, LLMRequest, Message } from "../../src/index.js"
+import { LLMClient } from "../../src/route.js"
+import { AmazonBedrock } from "../../src/providers.js"
+import { recordedTests } from "../recorded-test.js"
+
+const RECORDING_REGION = process.env.BEDROCK_RECORDING_REGION ?? "us-east-1"
+
+// Claude Opus 5.5 enforces the conversation-prefix check on Bedrock, so a changed system prompt is a real
+// mismatch. Override with BEDROCK_BINDING_MODEL_ID for another model that enforces it.
+const modelID = process.env.BEDROCK_BINDING_MODEL_ID ?? "global.anthropic.claude-opus-5-5"
+
+// Mirrors the "high" variant, so the recording covers the real overlay and default merge.
+const model = (blockBinding?: { readonly prefix_mismatch_behavior: string }) =>
+  AmazonBedrock.model(modelID, {
+    apiKey: process.env.AWS_BEARER_TOKEN_BEDROCK ?? "fixture",
+    region: RECORDING_REGION,
+    body: {
+      additionalModelRequestFields: {
+        thinking: { type: "adaptive", display: "summarized", ...(blockBinding ? { block_binding: blockBinding } : {}) },
+        output_config: { effort: "high" },
+      },
+    },
+  })
+
+const question = "How many positive integers below 5000 have exactly 12 positive divisors? Reply with the number only."
+
+const first = LLM.request({
+  id: "recorded_bedrock_thinking_binding_first",
+  model: model(),
+  system: "You are a concise assistant.",
+  prompt: question,
+  cache: "none",
+  generation: { maxTokens: 12_000 },
+})
+
+const recorded = recordedTests({
+  prefix: "bedrock-converse-thinking-binding",
+  provider: "amazon-bedrock",
+  protocol: "bedrock-converse",
+  requires: ["AWS_BEARER_TOKEN_BEDROCK"],
+})
+
+describe("Bedrock Converse thinking binding recorded", () => {
+  recorded.effect.with("accepts the default binding with no thinking configured", { tags: ["reasoning"] }, () =>
+    Effect.gen(function* () {
+      const response = yield* LLMClient.generate(
+        LLM.request({
+          id: "recorded_bedrock_thinking_binding_default",
+          model: AmazonBedrock.model(modelID, {
+            apiKey: process.env.AWS_BEARER_TOKEN_BEDROCK ?? "fixture",
+            region: RECORDING_REGION,
+          }),
+          system: "Reply with the single word 'Hello'.",
+          prompt: "Say hello.",
+          cache: "none",
+          generation: { maxTokens: 1_024 },
+        }),
+      )
+
+      expect(response.finishReason?.normalized).toBe("stop")
+      expect(response.text).toMatch(/hello/i)
+    }),
+  )
+
+  recorded.effect.with(
+    "keeps a session working after the system prompt changes",
+    { tags: ["reasoning"] },
+    () =>
+      Effect.gen(function* () {
+        const turn = yield* LLMClient.generate(first)
+        // The signed thinking block is what Bedrock binds to the first system prompt.
+        expect(turn.message.content.some((part) => part.type === "reasoning")).toBe(true)
+
+        // Replay the assistant turn under a different system prompt, as a prompt rebuild or compaction would.
+        const next = LLMRequest.update(first, {
+          id: "recorded_bedrock_thinking_binding_next",
+          system: [{ type: "text", text: "You are a concise assistant. Today is Monday." }],
+          messages: [
+            ...first.messages,
+            Message.assistant(turn.message.content),
+            Message.user("Now double it. Reply with the number only."),
+          ],
+        })
+
+        const bound = yield* LLMClient.generate(next)
+        expect(bound.finishReason?.normalized).toBe("stop")
+        expect(bound.text).toMatch(/\d/)
+
+        // The same replay is rejected when the caller asks for the default `error` behavior, proving the check is
+        // enforced and that the default `drop_block` is what let the request above through.
+        const rejected = yield* LLMClient.generate(
+          LLMRequest.update(next, {
+            id: "recorded_bedrock_thinking_binding_error",
+            model: model({ prefix_mismatch_behavior: "error" }),
+          }),
+        ).pipe(Effect.flip)
+        expect(rejected.message).toContain("bound to a different conversation")
+      }),
+    60_000,
+  )
+})
@@ -0,0 +1,100 @@
+import { describe, expect } from "bun:test"
+import { Effect } from "effect"
+import { GenerationOptions, LanguageModel, LLM } from "../../src/index.js"
+import { compileRequest } from "../../src/route/client.js"
+import { AmazonBedrock } from "../../src/providers.js"
+import { it } from "../lib/effect.js"
+
+const binding = { prefix_mismatch_behavior: "drop_block" }
+const beta = ["thinking-binding-controls-2026-08-01"]
+
+const bedrock = (id: string, settings: Parameters<typeof AmazonBedrock.model>[1] = {}) =>
+  AmazonBedrock.model(id, { baseURL: "https://bedrock-runtime.test", apiKey: "test-bearer", ...settings })
+
+const fields = (model: LanguageModel, generation?: GenerationOptions) =>
+  compileRequest(
+    LLM.request({ id: "req_1", model, system: "You are concise.", prompt: "Say hello.", cache: "none", generation }),
+  ).pipe(Effect.map((prepared) => prepared.body.additionalModelRequestFields))
+
+describe("Bedrock Converse thinking block binding", () => {
+  for (const id of [
+    "global.anthropic.claude-fable-5-1",
+    "us.anthropic.claude-fable-5-1-v1:0",
+    "anthropic.claude-fable-5.1",
+    "anthropic.claude-mythos-5-1",
+    "us.anthropic.claude-opus-5-5",
+    "global.anthropic.claude-sonnet-5-5",
+    "anthropic.claude-opus-6",
+  ]) {
+    it.effect(`defaults adaptive thinking to drop_block with the beta for ${id}`, () =>
+      Effect.gen(function* () {
+        expect(yield* fields(bedrock(id))).toEqual({
+          thinking: { type: "adaptive", block_binding: binding },
+          anthropic_beta: beta,
+        })
+      }),
+    )
+  }
+
+  for (const id of [
+    "global.anthropic.claude-opus-5",
+    "us.anthropic.claude-sonnet-5",
+    "global.anthropic.claude-fable-5",
+    "anthropic.claude-fable-5-v1:0",
+    "global.anthropic.claude-opus-4-8",
+    "us.anthropic.claude-opus-4-5-20251101-v1:0",
+    "us.anthropic.claude-haiku-4-5-20251001-v1:0",
+    "anthropic.claude-3-5-sonnet-20241022-v2:0",
+    "us.amazon.nova-2-lite-v1:0",
+  ]) {
+    it.effect(`leaves ${id} untouched`, () =>
+      Effect.gen(function* () {
+        expect(yield* fields(bedrock(id))).toBeUndefined()
+      }),
+    )
+  }
+
+  it.effect("binds a manual thinking budget and keeps top_k", () =>
+    Effect.gen(function* () {
+      expect(
+        yield* fields(
+          bedrock("global.anthropic.claude-fable-5-1", { thinking: { type: "enabled", budgetTokens: 4_000 } }),
+          GenerationOptions.make({ maxTokens: 64_000, topK: 40 }),
+        ),
+      ).toEqual({
+        top_k: 40,
+        thinking: { type: "enabled", budget_tokens: 4_000, block_binding: binding },
+        anthropic_beta: beta,
+      })
+    }),
+  )
+
+  it.effect("does not bind disabled thinking", () =>
+    Effect.gen(function* () {
+      expect(
+        yield* fields(
+          bedrock("global.anthropic.claude-fable-5-1", {
+            body: { additionalModelRequestFields: { thinking: { type: "disabled" } } },
+          }),
+        ),
+      ).toBeUndefined()
+    }),
+  )
+
+  it.effect("honors the compatibility override in both directions", () =>
+    Effect.gen(function* () {
+      const arn = "arn:aws:bedrock:us-east-1:123456789012:application-inference-profile/abc123"
+      expect(yield* fields(bedrock(arn))).toBeUndefined()
+      expect(
+        yield* fields(LanguageModel.update(bedrock(arn), { compatibility: { supportsThinkingBlockBinding: true } })),
+      ).toEqual({ thinking: { type: "adaptive", block_binding: binding }, anthropic_beta: beta })
+      expect(
+        yield* fields(
+          LanguageModel.update(bedrock("global.anthropic.claude-fable-5-1"), {
+            compatibility: { supportsThinkingBlockBinding: false },
+          }),
+        ),
+      ).toBeUndefined()
+    }),
+  )
+})
@@ -1301,11 +1301,11 @@ describe("Bedrock Converse route", () => {
          ),
        ),
      )
-      expect(response.events.filter((event) => event.type === "reasoning-delta" && event.text === "").at(-1)).toEqual({
-        type: "reasoning-delta",
+      expect(response.events.filter((event) => event.type === "reasoning-delta")).toEqual([])
+      expect(response.events.find((event) => event.type === "reasoning-start")).toEqual({
+        type: "reasoning-start",
        id: "reasoning-0",
-        text: "",
-        providerMetadata: { bedrock: { redactedData } },
+        providerMetadata: undefined,
      })
      expect(response.events.find((event) => event.type === "reasoning-end")).toEqual({
        type: "reasoning-end",
@@ -1383,6 +1383,13 @@ describe("Bedrock Converse route", () => {
        ),
      )

+      expect(response.events.filter((event) => event.type === "reasoning-delta")).toEqual([])
+      expect(response.events.find((event) => event.type === "reasoning-end")).toEqual({
+        type: "reasoning-end",
+        id: "reasoning-0",
+        providerMetadata: { bedrock: { redactedData: "AQID" } },
+        text: undefined,
+      })
      expect(response.message.content).toEqual([
        { type: "reasoning", text: "", providerMetadata: { bedrock: { redactedData: "AQID" } } },
      ])
@@ -92,5 +92,6 @@ const assertEvaluation = <Options extends EvaluationOptions>(
    expect(response.answers.refund.probability).toBeGreaterThan(0.5)
    expect(response.usage?.inputTokens).toBeGreaterThan(0)
    expect(response.usage?.outputTokens).toBeGreaterThan(0)
-    expect(response.providerMetadata?.[metadataKey]?.confidence).toBeDefined()
+    expect(response.answers.department.confidence).toBeGreaterThan(0)
+    expect(response.answers.urgency.confidence).toBeGreaterThan(0)
  })
@@ -33,7 +33,12 @@ it.effect("Meta selects Messages and lowers native search alongside ordinary fun
      output_config: { effort: "low" },
      tools: [
        { type: "web_search", name: "web_search", user_location: { type: "approximate", country: "US" } },
-        { name: "lookup", description: "Lookup", input_schema: { type: "object" } },
+        {
+          name: "lookup",
+          description: "Lookup",
+          input_schema: { type: "object" },
+          cache_control: { type: "ephemeral" },
+        },
      ],
    })
    const entrypoint = yield* Effect.promise(() => import("@opencode/ai/providers/meta/messages"))
@@ -56,7 +56,9 @@ describe("xAI Responses route", () => {
      expect(XAIResponses.protocol.body).not.toBe(OpenAIResponses.protocol.body)

      const prepared = yield* compileRequest(LLM.request({ model, prompt: "Hello" }))
+      expect(prepared.route).toBe("xai-responses")
      expect(prepared.protocol).toBe("xai-responses")
+      expect(prepared.model.route.providerMetadataKey).toBe("xai")
      expect(prepared.body.store).toBe(false)
      expect(prepared.body.include).toEqual(["reasoning.encrypted_content"])
    }),
@@ -298,3 +300,14 @@ describe("xAI Responses route", () => {
    }),
  )
 })
+
+it.effect("names the xAI Chat route separately from its OpenAI Chat protocol", () =>
+  Effect.gen(function* () {
+    const prepared = yield* compileRequest(
+      LLM.request({ model: XAI.configure({ apiKey: "test" }).chat("grok-4.6"), prompt: "Hello" }),
+    )
+    expect(prepared.route).toBe("xai-chat")
+    expect(prepared.protocol).toBe("openai-chat")
+    expect(prepared.model.route.providerMetadataKey).toBe("xai")
+  }),
+)
@@ -1,6 +1,6 @@
 {
  "name": "@opencode/app",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "description": "",
  "type": "module",
  "exports": {
@@ -1,7 +1,7 @@
 {
  "$schema": "https://json.schemastore.org/package.json",
  "name": "@opencode/cli",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "type": "module",
  "license": "MIT",
  "bin": {
@@ -51,7 +51,7 @@ const Root = Spec.make(typeof OPENCODE_CLI_NAME === "string" ? OPENCODE_CLI_NAME
    ),
    session: Flag.string("session").pipe(
      Flag.withAlias("s"),
-      Flag.withDescription("Session ID to continue"),
+      Flag.withDescription("Session ID to continue, or to create if it does not exist"),
      Flag.optional,
    ),
    prompt: Flag.string("prompt").pipe(Flag.withDescription("Prompt to use"), Flag.optional),
@@ -328,7 +328,7 @@ const Root = Spec.make(typeof OPENCODE_CLI_NAME === "string" ? OPENCODE_CLI_NAME
        ),
        session: Flag.string("session").pipe(
          Flag.withAlias("s"),
-          Flag.withDescription("Session ID to continue"),
+          Flag.withDescription("Session ID to continue, or to create if it does not exist"),
          Flag.optional,
        ),
        fork: Flag.boolean("fork").pipe(
@@ -368,7 +368,7 @@ const Root = Spec.make(typeof OPENCODE_CLI_NAME === "string" ? OPENCODE_CLI_NAME
        ),
        session: Flag.string("session").pipe(
          Flag.withAlias("s"),
-          Flag.withDescription("Session ID to continue"),
+          Flag.withDescription("Session ID to continue, or to create if it does not exist"),
          Flag.optional,
        ),
        fork: Flag.boolean("fork").pipe(
@@ -11,6 +11,10 @@ import { UpdatePreflight } from "../../services/update-preflight"
 import { Npm } from "@opencode/util/npm"
 import { OPENCODE_ARTIFACT, OPENCODE_CHANNEL, OPENCODE_VERSION } from "../../version"
 import { Env } from "../../env"
+import { Service } from "@opencode/client/effect/service"
+import { OpenCode } from "@opencode/client/promise"
+import { findSession } from "../../session-target"
+import { errorMessage } from "../../util/error"

 export default Runtime.handler(Commands, (input) =>
  Effect.gen(function* () {
@@ -46,6 +50,15 @@ export default Runtime.handler(Commands, (input) =>
        Effect.promise(() => preflight.fail("OpenCode update could not start the new background service")),
      ),
    )
+    const session = Option.getOrUndefined(input.session)
+    // A missing --session ID becomes the ID of the session the first prompt creates.
+    const sessionExists =
+      session !== undefined &&
+      (yield* Effect.tryPromise({
+        try: () =>
+          findSession(OpenCode.make({ baseUrl: server.endpoint.url, headers: Service.headers(server.endpoint) }), session),
+        catch: (cause) => new Error(errorMessage(cause)),
+      })) !== undefined
    const updater = yield* Updater.Service
    let installing: string | undefined
    const updateListeners = new Set<(version: string) => void>()
@@ -81,7 +94,8 @@ export default Runtime.handler(Commands, (input) =>
      },
      args: {
        continue: input.continue,
-        sessionID: Option.getOrUndefined(input.session),
+        sessionID: sessionExists ? session : undefined,
+        newSessionID: sessionExists ? undefined : session,
        prompt: Option.getOrUndefined(input.prompt),
        auto: input.auto || input.yolo || input.dangerouslySkipPermissions,
      },
@@ -135,6 +135,7 @@ export async function runNonInteractivePrompt(input: Input) {
  const replyPermission = async (request: { id: string; action: string; resources: ReadonlyArray<string> }) => {
    if (!input.auto) {
      permissionRejected = true
+      if (input.compatibility !== "v1") process.exitCode = 1
      UI.println(
        UI.Style.TEXT_WARNING_BOLD + "!",
        UI.Style.TEXT_NORMAL +
@@ -163,6 +164,7 @@ export async function runNonInteractivePrompt(input: Input) {
      if (!formAlreadySettled(error)) throw error
    }
    formCancelled = true
+    if (input.compatibility !== "v1") process.exitCode = 1
  }

  const consume = async () => {
@@ -493,7 +495,8 @@ export async function runNonInteractivePrompt(input: Input) {
      if (event.type === "session.execution.interrupted") {
        if (input.compatibility === "v1" && (permissionRejected || formCancelled)) return
        if (event.data.reason === "user" && interrupted) process.exitCode = 130
-        if (event.data.reason !== "user" && !emittedError) {
+        // A declined tool call ends the step with an interruption; it was already reported above.
+        if (event.data.reason !== "user" && !emittedError && !permissionRejected && !formCancelled) {
          emittedError = true
          process.exitCode = 1
          const error = { type: "aborted" as const, message: `Session interrupted: ${event.data.reason}` }
@@ -620,7 +623,9 @@ export async function runNonInteractivePrompt(input: Input) {
        UI.error(item.state.error.message)
      }

-      if (message.error && !emittedError) {
+      // A declined tool call ends its step with an interrupted-step error that is
+      // only a consequence of our own rejection; it was already reported above.
+      if (message.error && !emittedError && !permissionRejected && !formCancelled) {
        emittedError = true
        process.exitCode = 1
        if (!emit("error", timestamp, { error: message.error })) UI.error(message.error.message)
@@ -63,6 +63,7 @@ export async function resolveSessionTarget(input: {
    (await input.client.session
      .create(
        {
+          id: input.session,
          agent: prepared.agent,
          model: prepared.model,
          location: { directory: location.directory },
@@ -101,14 +102,11 @@ async function selectSession(input: {
  fork?: boolean
  signal?: AbortSignal
 }) {
-  const explicit = input.session
-    ? await input.client.session.get({ sessionID: input.session }, ...requestOptions(input.signal)).catch((error) => {
-        if (error && typeof error === "object" && "_tag" in error && error._tag === "SessionNotFoundError")
-          return undefined
-        throw error
-      })
-    : undefined
-  if (input.session && !explicit) throw new Error("Session not found")
+  const explicit = input.session ? await findSession(input.client, input.session, input.signal) : undefined
+  if (input.session && !explicit) {
+    if (input.fork) throw new Error("Session not found")
+    return { session: undefined }
+  }
  if (explicit)
    return {
      session: input.fork
@@ -133,6 +131,13 @@ async function selectSession(input: {
  }
 }

+export function findSession(client: OpenCodeClient, sessionID: string, signal?: AbortSignal) {
+  return client.session.get({ sessionID }, ...requestOptions(signal)).catch((error) => {
+    if (error && typeof error === "object" && "_tag" in error && error._tag === "SessionNotFoundError") return undefined
+    throw error
+  })
+}
+
 async function latestSession(
  client: OpenCodeClient,
  location: LocationGetOutput,
@@ -309,6 +309,7 @@ async function capture(input: Parameters<typeof run>[0]) {

 afterEach(() => {
  mock.restore()
+  process.exitCode = 0
 })

 describe("runNonInteractivePrompt", () => {
@@ -433,6 +434,7 @@ describe("runNonInteractivePrompt", () => {
    expect(sdk.form.list).toHaveBeenCalledWith({
      location: { directory: "/work tree" },
    })
+    expect(process.exitCode).toBe(1)
  })

  test("attach mode cancels only session-owned forms", async () => {
@@ -448,6 +450,7 @@ describe("runNonInteractivePrompt", () => {
      { sessionID: "global", formID: "frm_pending_global" },
      expect.anything(),
    )
+    expect(process.exitCode).toBe(1)
  })

  test("V1 JSON output flushes step_start before an unrelated step failure", async () => {
@@ -42,6 +42,28 @@ describe("session target resolver", () => {
    })
  })

+  test("creates a missing explicit Session with its ID", async () => {
+    const client = OpenCode.make({ baseUrl: "https://opencode.test" })
+    spyOn(client.session, "get").mockRejectedValue({ _tag: "SessionNotFoundError" })
+    spyOn(client.location, "get").mockResolvedValue(location("/project"))
+    const create = spyOn(client.session, "create").mockResolvedValue(session("ses_chosen", "/project"))
+
+    const target = await resolveSessionTarget({ client, session: "ses_chosen", prepare })
+    expect(create).toHaveBeenCalledWith(expect.objectContaining({ id: "ses_chosen" }))
+    expect(target).toMatchObject({ session: { id: "ses_chosen" }, resume: false })
+  })
+
+  test("does not create a missing explicit Session to fork", async () => {
+    const client = OpenCode.make({ baseUrl: "https://opencode.test" })
+    spyOn(client.session, "get").mockRejectedValue({ _tag: "SessionNotFoundError" })
+    const create = spyOn(client.session, "create")
+
+    await expect(resolveSessionTarget({ client, session: "ses_chosen", fork: true, prepare })).rejects.toThrow(
+      "Session not found",
+    )
+    expect(create).not.toHaveBeenCalled()
+  })
+
  test("paginates to continue the exact directory", async () => {
    const client = OpenCode.make({ baseUrl: "https://opencode.test" })
    spyOn(client.location, "get").mockResolvedValue(location("/project"))
@@ -1,7 +1,7 @@
 {
  "$schema": "https://json.schemastore.org/package.json",
  "name": "@opencode/client",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "type": "module",
  "license": "MIT",
  "repository": {
@@ -1,7 +1,7 @@
 {
  "$schema": "https://json.schemastore.org/package.json",
  "name": "@opencode/codemode",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "description": "Effect-native confined code execution over schema-described tools",
  "type": "module",
  "license": "MIT",
@@ -1,6 +1,6 @@
 {
  "name": "@opencode/console-app",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "type": "module",
  "license": "MIT",
  "scripts": {
@@ -1,7 +1,7 @@
 {
  "$schema": "https://json.schemastore.org/package.json",
  "name": "@opencode/console-core",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "private": true,
  "type": "module",
  "license": "MIT",
@@ -1,6 +1,6 @@
 {
  "name": "@opencode/console-function",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "$schema": "https://json.schemastore.org/package.json",
  "private": true,
  "type": "module",
@@ -1,6 +1,6 @@
 {
  "name": "@opencode/console-mail",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "dependencies": {
    "@jsx-email/all": "2.2.3",
    "@jsx-email/cli": "1.4.3",
@@ -1,6 +1,6 @@
 {
  "name": "@opencode/console-support",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "type": "module",
  "license": "MIT",
  "scripts": {
@@ -1,6 +1,6 @@
 {
  "$schema": "https://json.schemastore.org/package.json",
-  "version": "2.0.18",
+  "version": "2.0.19",
  "name": "@opencode/core",
  "type": "module",
  "license": "MIT",
@@ -1,6 +1,7 @@
 export * as Generate from "./generate.js"

 import { LLM, LLMClient, AIError } from "@opencode/ai"
+import { SessionID } from "@opencode/schema/session-id"
 import { Context, Effect, Layer, Schema } from "effect"
 import { makeLocationNode } from "@opencode/util/effect/app-node"
 import { llmClient } from "./effect/app-node-platform.js"
@@ -60,15 +61,24 @@ export const layer = Layer.effect(
            ? `Model unavailable: ${input.model.providerID}/${input.model.id}`
            : "No model specified and no supported model is available",
        })
-      const response = yield* llm.generate(LLM.request({ model: resolved.model, prompt: input.prompt })).pipe(
-        Effect.mapError(
-          (error: AIError) =>
-            new UnavailableError({
-              message: error.message,
-              service: resolved.ref.providerID,
-            }),
-        ),
-      )
+      const response = yield* llm
+        .generate(
+          LLM.request({
+            model: resolved.model,
+            prompt: input.prompt,
+            // Gateways require session attribution even for a stateless call; no Session is stored.
+            http: { headers: { "x-opencode-session": SessionID.create() } },
+          }),
+        )
+        .pipe(
+          Effect.mapError(
+            (error: AIError) =>
+              new UnavailableError({
+                message: error.message,
+                service: resolved.ref.providerID,
+              }),
+          ),
+        )
      return response.text
    })

@@ -2,13 +2,12 @@ export * as InstructionBuiltIns from "./builtins.js"

 import { makeLocationNode } from "@opencode/util/effect/app-node"
 import { Context, DateTime, Effect, Layer, Schema } from "effect"
-import type { Session } from "@opencode/schema/session"
 import { Global } from "@opencode/util/global"
 import { Location } from "../location.js"
 import { Instructions } from "./index.js"

 export interface Interface {
-  readonly load: (sessionID: Session.ID) => Effect.Effect<Instructions.List>
+  readonly load: () => Effect.Effect<Instructions.List>
 }

 export class Service extends Context.Service<Service, Interface>()("@opencode/InstructionBuiltIns") {}
@@ -19,16 +18,24 @@ const layer = Layer.effect(
    const global = yield* Global.Service
    const location = yield* Location.Service
    return Service.of({
-      load: (sessionID) =>
+      load: () =>
        Effect.succeed(
          Instructions.combine([
+            Instructions.make({
+              key: Instructions.Key.make("core/date"),
+              codec: Schema.toCodecJson(Schema.String),
+              read: DateTime.nowAsDate.pipe(Effect.map((date) => date.toDateString())),
+              render: {
+                initial: (date) => `Today's date: ${date}`,
+                changed: (_previous, date) => `Today's date is now: ${date}`,
+              },
+            }),
            Instructions.make({
              key: Instructions.Key.make("core/environment"),
              codec: Schema.toCodecJson(Schema.String),
              read: Effect.sync(() =>
                [
                  "<env>",
-                  `  Current conversation session ID: ${sessionID}`,
                  `  Working directory: ${location.directory}`,
                  `  Workspace root folder: ${location.project.directory}`,
                  `  Is directory a git repo: ${location.vcs?.type === "git" ? "yes" : "no"}`,
@@ -44,15 +51,6 @@ const layer = Layer.effect(
                  ["The environment you are running in is now:", environment].join("\n"),
              },
            }),
-            Instructions.make({
-              key: Instructions.Key.make("core/date"),
-              codec: Schema.toCodecJson(Schema.String),
-              read: DateTime.nowAsDate.pipe(Effect.map((date) => date.toDateString())),
-              render: {
-                initial: (date) => `Today's date: ${date}`,
-                changed: (_previous, date) => `Today's date is now: ${date}`,
-              },
-            }),
          ]),
        ),
    })
@@ -1,55 +1,62 @@
 import { Effect } from "effect"
+import { isArrayNonEmpty } from "effect/Array"
 import { define } from "@opencode/plugin/effect/plugin"
 import { Form } from "@opencode/schema/form"
 import { Provider } from "../../provider.js"
-import { iife } from "../../util/iife.js"
 import { configuredSettings } from "./configured.js"

 const providerID = Provider.ID.make("cloudflare-ai-gateway")

+const accountIdField = Form.StringField.make({
+  type: "string",
+  key: "accountId",
+  title: "Enter your Cloudflare Account ID",
+  placeholder: "e.g. 1234567890abcdef1234567890abcdef",
+  required: true,
+})
+
+const gatewayIdField = Form.StringField.make({
+  type: "string",
+  key: "gatewayId",
+  title: "Enter your Cloudflare AI Gateway ID",
+  placeholder: "e.g. my-gateway",
+  required: true,
+})
+
 export const CloudflareAIGatewayPlugin = define({
  id: "opencode.provider.cloudflare.ai.gateway",
  effect: Effect.fn(function* (ctx) {
+    const accountId = process.env.CLOUDFLARE_ACCOUNT_ID
+    const gatewayId = process.env.CLOUDFLARE_GATEWAY_ID
    const configured = yield* configuredSettings(providerID)
-    const form = iife(() => {
-      if (typeof configured?.baseURL === "string") return
-      const accountId = process.env.CLOUDFLARE_ACCOUNT_ID || stringOption(configured ?? {}, "accountId")
-      const gatewayId =
-        process.env.CLOUDFLARE_GATEWAY_ID ||
-        stringOption(configured ?? {}, "gatewayId") ||
-        stringOption(configured ?? {}, "gateway")
-      if (accountId && gatewayId) return
-      const accountIdForm = Form.StringField.make({
-        type: "string",
-        key: "accountId",
-        title: "Enter your Cloudflare Account ID",
-        placeholder: "e.g. 1234567890abcdef1234567890abcdef",
-        required: true,
-      })
-      const gatewayIdForm = Form.StringField.make({
-        type: "string",
-        key: "gatewayId",
-        title: "Enter your Cloudflare AI Gateway ID",
-        placeholder: "e.g. my-gateway",
-        required: true,
-      })
-      if (accountId) return Form.Fields.make([gatewayIdForm])
-      if (gatewayId) return Form.Fields.make([accountIdForm])
-      return Form.Fields.make([accountIdForm, gatewayIdForm])
-    })
+    const fields =
+      typeof configured?.baseURL === "string"
+        ? []
+        : [
+            ...(accountId || typeof configured?.accountId === "string" ? [] : [accountIdField]),
+            ...(gatewayId || typeof configured?.gatewayId === "string" ? [] : [gatewayIdField]),
+          ]
    yield* ctx.integration.transform((editor) => {
      editor.method.update({
        integrationID: providerID,
        method: {
          type: "key",
          label: "Gateway API token",
-          form,
+          form: isArrayNonEmpty(fields) ? Form.Fields.make(fields) : undefined,
        },
      })
    })
+    yield* ctx.provider.transform((evt) => {
+      const item = evt.get(providerID)
+      if (!item || (!accountId && !gatewayId)) return
+      evt.update(item.provider.id, (provider) => {
+        if (typeof provider.settings?.baseURL === "string") return
+        provider.settings = {
+          ...(accountId ? { accountId } : {}),
+          ...(gatewayId ? { gatewayId } : {}),
+          ...provider.settings,
+        }
+      })
+    })
  }),
 })
-
-function stringOption(options: Record<string, unknown>, key: string) {
-  return typeof options[key] === "string" ? options[key] : undefined
-}
@@ -50,7 +50,7 @@ export const CloudflareWorkersAIPlugin = define({
 })

 function resolveAccountId(options: Record<string, unknown>) {
-  return process.env.CLOUDFLARE_ACCOUNT_ID ?? stringOption(options, "accountId")
+  return stringOption(options, "accountId") ?? process.env.CLOUDFLARE_ACCOUNT_ID
 }

 function workersEndpoint(accountId: string) {
@@ -11,6 +11,7 @@ import { Model } from "../../model.js"
 import { Agent } from "../../agent.js"
 import { define } from "@opencode/plugin/effect/plugin"
 import { Provider } from "../../provider.js"
+import { SessionAffinity } from "../../session/affinity.js"
 import type { PluginInternal } from "../internal.js"

 const clientID = "Ov23li8tweQw6odWQebz"
@@ -272,7 +273,7 @@ export const GithubCopilotPlugin = define({
            .pipe(Effect.orElseSucceed(() => undefined))
          const interaction = interactionType(evt.kind, session?.parentID !== undefined)
          evt.headers["X-Interaction-Type"] = interaction
-          evt.headers["X-Interaction-Id"] = evt.sessionID
+          evt.headers["X-Interaction-Id"] = session ? SessionAffinity.get(session) : evt.sessionID
          if (interaction !== "conversation-agent") evt.headers["x-initiator"] = "agent"
        }),
      { providerID: Provider.ID.githubCopilot },
@@ -9,6 +9,7 @@ import { Bus } from "../../bus.js"
 import { Integration } from "../../integration.js"
 import { OauthCallbackPage } from "../../oauth/page.js"
 import { Provider } from "../../provider.js"
+import { SessionAffinity } from "../../session/affinity.js"
 import type { PluginInternal } from "../internal.js"

 const clientID = "app_EMoamEEZ73f0CkXaXp7hrann"
@@ -299,12 +300,16 @@ export const OpenAIPlugin = define({
    yield* ctx.session.hook(
      "model.request",
      (evt) =>
-        Effect.sync(() => {
+        Effect.gen(function* () {
          if (!chatgpt) return
          if (evt.baseURL && URL.canParse(evt.baseURL) && new URL(evt.baseURL).origin === "https://api.openai.com")
            evt.baseURL = codexBaseURL
+          const session = yield* ctx.session
+            .get({ sessionID: evt.sessionID })
+            .pipe(Effect.orElseSucceed(() => undefined))
          evt.headers.originator = "opencode"
-          evt.headers["session-id"] = evt.sessionID
+          // ChatGPT routes its prompt cache on this header, so children share the parent's.
+          evt.headers["session-id"] = session ? SessionAffinity.get(session) : evt.sessionID
        }),
      { providerID: Provider.ID.openai },
    )
@@ -0,0 +1,8 @@
+export * as SessionAffinity from "./affinity.js"
+
+import type { SessionSchema } from "./schema.js"
+
+// TODO: Should the `model.request` hook expose affinity so plugins stop deriving it from `ctx.session.get`?
+/** The Session ID that groups model requests for provider cache routing: children share the parent's, forks the fork source's. */
+export const get = (session: Pick<SessionSchema.Info, "id" | "parentID" | "fork">) =>
+  session.parentID ?? session.fork?.sessionID ?? session.id
@@ -132,7 +132,7 @@ const layer = Layer.effect(
      const loaded = yield* Effect.all(
        {
          tools: registry.snapshot(permissions),
-          builtins: builtins.load(sessionID),
+          builtins: builtins.load(),
          discovery: discovery.load(),
          skills: skillInstructions.load(permissions),
          references: referenceInstructions.load(),
@@ -144,13 +144,16 @@ const layer = Layer.effect(
      return {
        session,
        agent: { ...agent, info: agent.info },
+        // Ordered from most to least shared across sessions so the baseline stays a reusable
+        // prompt-cache prefix: user-level catalog and guidance, then project instructions, then
+        // the date and environment, which vary by day and directory.
        instructions: Instructions.combine([
-          loaded.builtins,
          CodeModeInstructions.make(loaded.tools.codeModeCatalog),
-          loaded.discovery,
-          loaded.skills,
-          loaded.references,
          loaded.mcp,
+          loaded.references,
+          loaded.skills,
+          loaded.discovery,
+          loaded.builtins,
          loaded.entries,
        ]),
        tools: loaded.tools,
@@ -31,6 +31,7 @@ import { Permission } from "../permission.js"
 import { PluginHooks } from "../plugin/hooks.js"
 import { QuestionTool } from "../tool/plugin/question.js"
 import { Tool } from "../tool.js"
+import { SessionAffinity } from "./affinity.js"
 import { SessionModelTransport } from "./model-transport.js"
 import { SessionProviderContext } from "./provider-context.js"
 import { SessionRunnerModel } from "./runner/model.js"
@@ -46,6 +47,8 @@ const IMAGE_REMOVED =
 const GENERATION_KEYS = new Set(Object.keys(GenerationOptions.fields))
 // Used when the catalog has no output limit for the model.
 const OUTPUT_TOKEN_FALLBACK = 32_000
+// No reply needs more, however much the model allows.
+const OUTPUT_TOKEN_MAX = 256_000
 // A summary never needs more, and a request asking for more cannot be shrunk to fit a window the catalog overstates.
 const SUMMARY_OUTPUT_MAX = 32_000
 // Prompt text is estimated at about 4 characters per token, which can run low on dense text such as code.
@@ -87,7 +90,7 @@ const outputLimit = (
  kind: "primary" | "compaction",
  inputTokens?: Input["inputTokens"],
 ) => {
-  const model = limit.output > 0 ? limit.output : OUTPUT_TOKEN_FALLBACK
+  const model = Math.min(limit.output > 0 ? limit.output : OUTPUT_TOKEN_FALLBACK, OUTPUT_TOKEN_MAX)
  const requested = kind === "compaction" ? Math.min(model, SUMMARY_OUTPUT_MAX) : model
  if (inputTokens === undefined || limit.context <= 0) return requested
  const room = limit.context - inputTokens.measured - Math.ceil(inputTokens.estimated * (1 + ESTIMATE_ERROR))
@@ -268,17 +271,17 @@ export const layer = Layer.effect(
      const entries = Object.entries(shaped.options)
      const generation = Object.fromEntries(entries.filter(([k]) => GENERATION_KEYS.has(k))) as GenerationOptionsFields
      const providerOptions = Object.fromEntries(entries.filter(([k]) => !GENERATION_KEYS.has(k)))
-      const affinity = session.parentID ?? session.fork?.sessionID ?? session.id
+      const affinity = SessionAffinity.get(session)
      const base = LLM.request({
        model: model.model,
        http: {
          headers: {
-            "x-session-affinity": session.id,
-            "X-Session-Id": session.id,
+            "x-session-affinity": affinity,
+            "X-Session-Id": affinity,
            ...(session.parentID ? { "x-parent-session-id": session.parentID } : {}),
            "User-Agent": App.useragent(app),
            "x-opencode-project": session.projectID,
-            "x-opencode-session": session.id,
+            "x-opencode-session": affinity,
            "x-opencode-client": app.name,
          },
        },
@@ -207,6 +207,10 @@ export const Plugin = {
                },
                (invocation) =>
                  Effect.gen(function* () {
+                    invocation.env.AGENT = "1"
+                    invocation.env.OPENCODE = "1"
+                    invocation.env.AI_AGENT ||= "opencode"
+                    invocation.env.OPENCODE_SESSION_ID = context.sessionID
                    finalTimeout = yield* prepare(invocation, context)
                  }),
              )
@@ -88,6 +88,11 @@ const responsesEffort = (effort: string): Overlay => ({
  settings: { reasoningEffort: effort, reasoningSummary: "auto", include: ENCRYPTED_REASONING },
 })

+const xaiResponses: Protocol = (_, support) => {
+  if (support.type !== "effort") return []
+  return efforts(support.values ?? EFFORTS, responsesEffort)
+}
+
 const cloudflareAIGateway: Protocol = (model, support) => {
  const id = modelID(model)
  if (id.startsWith("openai/")) return openaiResponses(model, support)
@@ -155,6 +160,25 @@ const nvidiaChat: Protocol = (model, support) => {
  }
 }

+// Workers AI ignores or rejects `reasoning_effort: "none"` on most models. Kimi's chat template reads
+// `thinking`; the others read `enable_thinking`, so both are sent.
+const workersAITemplate = (thinking: boolean): Overlay => ({
+  body: { chat_template_kwargs: { enable_thinking: thinking, thinking } },
+})
+
+const workersAIChat: Protocol = (_, support) => {
+  switch (support.type) {
+    case "effort":
+      return efforts(support.values ?? EFFORTS, (effort) =>
+        effort === "none" ? workersAITemplate(false) : { settings: { reasoningEffort: effort } },
+      )
+    case "toggle":
+      return toggle(workersAITemplate(false), workersAITemplate(true))
+    case "budget_tokens":
+      return []
+  }
+}
+
 const basetenTemplate = (enable_thinking: boolean): Overlay => ({
  body: { chat_template_args: { enable_thinking } },
 })
@@ -547,7 +571,7 @@ const PROTOCOLS: Readonly<Record<string, Protocol>> = {
  "@opencode/ai/providers/alibaba/chat": alibabaChat,
  "@opencode/ai/providers/baseten": basetenChat,
  "@opencode/ai/providers/cerebras": openaiChat,
-  "@opencode/ai/providers/cloudflare-workers-ai": openaiChat,
+  "@opencode/ai/providers/cloudflare-workers-ai": workersAIChat,
  "@opencode/ai/providers/deepinfra": deepinfraChat,
  "@opencode/ai/providers/deepseek": deepseekChat,
  "@opencode/ai/providers/fireworks": openaiChat,
@@ -557,7 +581,7 @@ const PROTOCOLS: Readonly<Record<string, Protocol>> = {
  "@opencode/ai/providers/mistral": openaiChat,
  "@opencode/ai/providers/moonshot/chat": moonshotChat,
  "@opencode/ai/providers/togetherai": openaiChat,
-  "@opencode/ai/providers/xai": openaiChat,
+  "@opencode/ai/providers/xai": xaiResponses,
  "@opencode/ai/providers/zai/chat": zaiChat,
  "@opencode/ai/providers/zai-coding-plan/chat": zaiChat,

@@ -1,5 +1,6 @@
 import { expect } from "bun:test"
-import { LanguageModel } from "@opencode/ai"
+import { LanguageModel, LLMClient } from "@opencode/ai"
+import { RequestExecutor } from "@opencode/ai/route"
 import { OpenAIChat } from "@opencode/ai/protocols"
 import { TestLLM } from "@opencode/ai/testing"
 import { AISDK } from "@opencode/core/aisdk"
@@ -10,6 +11,7 @@ import { ID, Info, Model, Ref } from "@opencode/core/model"
 import { Provider } from "@opencode/core/provider"
 import { Npm } from "@opencode/util/npm"
 import { Effect, Layer } from "effect"
+import { HttpClient, HttpClientResponse } from "effect/unstable/http"
 import { testEffect } from "./lib/effect"

 const selected = Info.make({
@@ -89,3 +91,56 @@ resolverIt.effect("resolves dynamic models with their catalog metadata", () =>
    })
  }),
 )
+
+testEffect(Layer.empty).effect("attributes each stateless completion without creating a stored session", () =>
+  Effect.gen(function* () {
+    const sessions: string[] = []
+    const http = Layer.succeed(
+      HttpClient.HttpClient,
+      HttpClient.make((request) =>
+        Effect.sync(() => {
+          const session = request.headers["x-opencode-session"]
+          if (!session)
+            return HttpClientResponse.fromWeb(
+              request,
+              Response.json(
+                {
+                  error: { type: "MissingSessionID", message: "Session ID is required" },
+                },
+                { status: 400 },
+              ),
+            )
+          sessions.push(session)
+          return HttpClientResponse.fromWeb(
+            request,
+            new Response(
+              `data: ${JSON.stringify({
+                id: "completion",
+                object: "chat.completion.chunk",
+                created: 1,
+                model: "gemini",
+                choices: [{ index: 0, delta: { content: "OK" }, finish_reason: "stop" }],
+              })}\n\ndata: [DONE]\n\n`,
+              { headers: { "content-type": "text/event-stream" } },
+            ),
+          )
+        }),
+      ),
+    )
+    const native = LLMClient.layer.pipe(Layer.provide(RequestExecutor.layer.pipe(Layer.provide(http))))
+    yield* Effect.gen(function* () {
+      const generate = yield* Generate.Service
+      for (let index = 0; index < 2; index++) {
+        expect(
+          yield* generate.text({
+            prompt: "Return exactly OK",
+            model: Ref.make({ providerID: selected.providerID, id: selected.id }),
+          }),
+        ).toBe("OK")
+      }
+    }).pipe(Effect.provide(Generate.layer.pipe(Layer.provide(Layer.merge(resolver, native)))))
+    expect(sessions).toHaveLength(2)
+    expect(sessions[0]).toStartWith("ses_")
+    expect(sessions[1]).not.toBe(sessions[0])
+  }),
+)
@@ -8,7 +8,6 @@ import { FSUtil } from "@opencode/util/fs-util"
 import { Global } from "@opencode/util/global"
 import { AbsolutePath } from "@opencode/core/schema"
 import { InstructionBuiltIns } from "@opencode/core/instructions/builtins"
-import { SessionSchema } from "@opencode/core/session/schema"
 import { location } from "../fixture/location"
 import { testEffect } from "../lib/effect"
 import { readInitial, readUpdate } from "../lib/instructions"
@@ -16,7 +15,6 @@ import { readInitial, readUpdate } from "../lib/instructions"
 const directory = AbsolutePath.make(FSUtil.resolve("/repo/packages/core"))
 const projectDirectory = AbsolutePath.make(FSUtil.resolve("/repo"))
 const timestamp = Date.parse("2026-06-03T12:00:00.000Z")
-const sessionID = SessionSchema.ID.make("ses_builtin_test")
 const temporary = os.tmpdir()
 const localDate = (time: number) => new Date(time).toDateString()
 const locationLayer = Layer.succeed(
@@ -40,21 +38,20 @@ describe("InstructionBuiltIns", () => {
    Effect.gen(function* () {
      yield* TestClock.setTime(timestamp)
      const context = yield* InstructionBuiltIns.Service
-      const initialized = yield* readInitial(yield* context.load(sessionID))
+      const initialized = yield* readInitial(yield* context.load())

      expect(initialized.text).toBe(
        [
+          `Today's date: ${localDate(timestamp)}`,
+          "",
          "Here is some useful information about the environment you are running in:",
          "<env>",
-          `  Current conversation session ID: ${sessionID}`,
          `  Working directory: ${directory}`,
          `  Workspace root folder: ${projectDirectory}`,
          "  Is directory a git repo: yes",
          `  Platform: ${process.platform}`,
          `  Prefer ${temporary} over generic system temporary directories such as /tmp; it is pre-created and approved for external access.`,
          "</env>",
-          "",
-          `Today's date: ${localDate(timestamp)}`,
        ].join("\n"),
      )
    }),
@@ -64,10 +61,10 @@ describe("InstructionBuiltIns", () => {
    Effect.gen(function* () {
      yield* TestClock.setTime(timestamp)
      const context = yield* InstructionBuiltIns.Service
-      const initialized = yield* readInitial(yield* context.load(sessionID))
+      const initialized = yield* readInitial(yield* context.load())

      yield* TestClock.setTime(timestamp + 24 * 60 * 60 * 1000)
-      const refreshed = yield* readUpdate(yield* context.load(sessionID), initialized)
+      const refreshed = yield* readUpdate(yield* context.load(), initialized)

      expect(refreshed.text).toBe(`Today's date is now: ${localDate(timestamp + 24 * 60 * 60 * 1000)}`)
    }),
@@ -77,10 +74,10 @@ describe("InstructionBuiltIns", () => {
    Effect.gen(function* () {
      yield* TestClock.setTime(timestamp)
      const context = yield* InstructionBuiltIns.Service
-      const initialized = yield* readInitial(yield* context.load(sessionID))
+      const initialized = yield* readInitial(yield* context.load())

      yield* TestClock.setTime(timestamp + 60 * 60 * 1000)
-      expect((yield* readUpdate(yield* context.load(sessionID), initialized)).changed).toBe(false)
+      expect((yield* readUpdate(yield* context.load(), initialized)).changed).toBe(false)
    }),
  )
 })
@@ -9,6 +9,7 @@ import { Credential } from "@opencode/core/credential"
 import { Integration } from "@opencode/core/integration"
 import { Compatibility, ID, Info, Model, VariantID } from "@opencode/core/model"
 import { Provider } from "@opencode/core/provider"
+import { Variant } from "@opencode/core/variant"
 import { ModelResolver } from "@opencode/core/model-resolver"
 import { AISDK } from "@opencode/core/aisdk"
 import { Npm } from "@opencode/util/npm"
@@ -580,6 +581,29 @@ describe("ModelResolver", () => {
    }),
  )

+  it.effect("sends xAI Responses effort variants with reasoning summaries", () =>
+    Effect.gen(function* () {
+      const base = model("@opencode/ai/providers/xai", { providerID: Provider.ID.make("xai"), modelID: "grok-4.6" })
+      const catalog = Info.make({
+        ...base,
+        variants: Variant.resolve(base, [{ type: "effort", values: ["low", "high"] }]),
+      })
+      const resolved = yield* ModelResolver.resolveModel(
+        catalog,
+        VariantID.make("high"),
+        Credential.Key.make({ type: "key", key: "secret" }),
+      )
+      const prepared = yield* compileRequest(LLM.request({ model: resolved, prompt: "Hello" }))
+
+      expect(resolved.route.id).toBe("xai-responses")
+      expect(prepared.body).toMatchObject({
+        reasoning: { effort: "high", summary: "auto" },
+        include: ["reasoning.encrypted_content"],
+      })
+      expect(prepared.body).not.toHaveProperty("reasoning_effort")
+    }),
+  )
+
  it.effect("overlays selected OpenAI-compatible variant bodies", () =>
    Effect.gen(function* () {
      const catalog = model(Provider.aisdk("@ai-sdk/openai-compatible"), {
@@ -1282,7 +1306,7 @@ describe("ModelResolver", () => {
        reasoningEffort: "high",
      })
      expect(String(mistral.provider)).toBe("test-provider")
-      expect(xai.route.id).toBe("openai-responses")
+      expect(xai.route.id).toBe("xai-responses")
      expect(xai.route.defaults.providerOptions).toEqual({
        reasoningEffort: "high",
        store: false,
@@ -1059,7 +1059,7 @@ describe("ModelsDevPlugin", () => {
      expect(grok?.variants).toEqual(
        ["low", "medium", "high"].map((id) => ({
          id: Model.VariantID.make(id),
-          settings: { reasoningEffort: id },
+          settings: { reasoningEffort: id, reasoningSummary: "auto", include: ["reasoning.encrypted_content"] },
        })),
      )

@@ -4,11 +4,19 @@ import { Integration } from "@opencode/core/integration"
 import { Plugin } from "@opencode/core/plugin"
 import { PluginHost } from "@opencode/core/plugin/host"
 import { CloudflareAIGatewayPlugin } from "@opencode/core/plugin/provider/cloudflare-ai-gateway"
+import { Provider } from "@opencode/core/provider"
 import { withEnv } from "../fixture/env"
 import { testEffect } from "../lib/effect"
 import { PluginTestLayer } from "./fixture"

 const it = testEffect(PluginTestLayer)
+const providerID = Provider.ID.make("cloudflare-ai-gateway")
+
+const seed = Effect.fn(function* (fn: (provider: Provider.MutableInfo) => void) {
+  const catalog = yield* Provider.Service
+  yield* catalog.transform((catalog) => catalog.update(providerID, fn))
+  return catalog
+})

 const addPlugin = Effect.fn(function* () {
  const plugin = yield* Plugin.Service
@@ -46,4 +54,55 @@ describe("CloudflareAIGatewayPlugin", () => {
      }),
    ),
  )
+
+  it.effect("requests only the gateway ID when the environment provides the account ID", () =>
+    withEnv({ CLOUDFLARE_ACCOUNT_ID: "account", CLOUDFLARE_GATEWAY_ID: undefined }, () =>
+      Effect.gen(function* () {
+        yield* addPlugin()
+        const integrations = yield* Integration.Service
+        expect((yield* integrations.get(Integration.ID.make("cloudflare-ai-gateway")))?.methods).toContainEqual({
+          type: "key",
+          label: "Gateway API token",
+          form: [expect.objectContaining({ type: "string", key: "gatewayId", required: true })],
+        })
+      }),
+    ),
+  )
+
+  it.effect("gives the provider its environment account and gateway IDs", () =>
+    withEnv({ CLOUDFLARE_ACCOUNT_ID: "account", CLOUDFLARE_GATEWAY_ID: "gateway" }, () =>
+      Effect.gen(function* () {
+        const catalog = yield* seed(() => {})
+        yield* addPlugin()
+        expect((yield* catalog.get(providerID))?.settings).toEqual({ accountId: "account", gatewayId: "gateway" })
+      }),
+    ),
+  )
+
+  it.effect("prefers configured IDs over environment IDs", () =>
+    withEnv({ CLOUDFLARE_ACCOUNT_ID: "env-account", CLOUDFLARE_GATEWAY_ID: "env-gateway" }, () =>
+      Effect.gen(function* () {
+        const catalog = yield* seed((provider) => {
+          provider.settings = { accountId: "configured-account", gatewayId: "configured-gateway" }
+        })
+        yield* addPlugin()
+        expect((yield* catalog.get(providerID))?.settings).toEqual({
+          accountId: "configured-account",
+          gatewayId: "configured-gateway",
+        })
+      }),
+    ),
+  )
+
+  it.effect("leaves a configured endpoint URL untouched", () =>
+    withEnv({ CLOUDFLARE_ACCOUNT_ID: "account", CLOUDFLARE_GATEWAY_ID: "gateway" }, () =>
+      Effect.gen(function* () {
+        const catalog = yield* seed((provider) => {
+          provider.settings = { baseURL: "https://proxy.example/v1" }
+        })
+        yield* addPlugin()
+        expect((yield* catalog.get(providerID))?.settings).toEqual({ baseURL: "https://proxy.example/v1" })
+      }),
+    ),
+  )
 })
@@ -119,7 +119,7 @@ describe("CloudflareWorkersAIPlugin", () => {
    ),
  )

-  it.effect("uses env account ID over configured account ID", () =>
+  it.effect("uses configured account ID over env account ID", () =>
    withEnv({ CLOUDFLARE_ACCOUNT_ID: "env-acct" }, () =>
      Effect.gen(function* () {
        const catalog = yield* seed((provider) => {
@@ -129,7 +129,7 @@ describe("CloudflareWorkersAIPlugin", () => {
        yield* addPlugin()
        expect(required(yield* catalog.get(providerID))).toMatchObject({
          package: "aisdk:test-provider",
-          settings: { baseURL: "https://api.cloudflare.com/client/v4/accounts/env-acct/ai/v1" },
+          settings: { baseURL: "https://api.cloudflare.com/client/v4/accounts/configured-acct/ai/v1" },
        })
      }),
    ),
@@ -183,10 +183,11 @@ describe("GithubCopilotPlugin", () => {
  it.effect("classifies child-session steps as subagent interactions", () =>
    Effect.gen(function* () {
      yield* addPlugin()
-      const event = yield* modelRequest((yield* sessions()).child, "primary")
+      const ids = yield* sessions()
+      const event = yield* modelRequest(ids.child, "primary")
      expect(event.headers).toEqual({
        "X-Interaction-Type": "conversation-subagent",
-        "X-Interaction-Id": event.sessionID,
+        "X-Interaction-Id": ids.parent,
        "x-initiator": "agent",
      })
    }),
@@ -207,10 +208,11 @@ describe("GithubCopilotPlugin", () => {
  it.effect("classifies compaction requests by kind rather than agent", () =>
    Effect.gen(function* () {
      yield* addPlugin()
-      const event = yield* modelRequest((yield* sessions()).child, "compaction", "build")
+      const ids = yield* sessions()
+      const event = yield* modelRequest(ids.child, "compaction", "build")
      expect(event.headers).toEqual({
        "X-Interaction-Type": "conversation-compaction",
-        "X-Interaction-Id": event.sessionID,
+        "X-Interaction-Id": ids.parent,
        "x-initiator": "agent",
      })
    }),
@@ -1,6 +1,6 @@
 import { Money } from "@opencode/schema/money"
 import { Agent } from "@opencode/schema/agent"
-import { Session } from "@opencode/schema/session"
+import { Session } from "@opencode/core/session"
 import { OpenAIResponses } from "@opencode/ai/protocols/openai-responses"
 import { describe, expect } from "bun:test"
 import { ConfigProvider, DateTime, Effect } from "effect"
@@ -41,10 +41,14 @@ function required<T>(value: T | undefined): T {
  return value
 }

-const request = Effect.fn(function* (providerID: Provider.ID, baseURL: string) {
+const request = Effect.fn(function* (
+  providerID: Provider.ID,
+  baseURL: string,
+  sessionID = Session.ID.make("ses_test"),
+) {
  const hooks = yield* PluginHooks.Service
  const event = yield* hooks.trigger("session", "model.request", {
-    sessionID: Session.ID.make("ses_test"),
+    sessionID,
    agent: Agent.ID.make("build"),
    model: Model.Ref.make({ providerID, id: Model.ID.make("gpt-5.5") }),
    kind: "primary",
@@ -156,6 +160,12 @@ describe("OpenAIPlugin", () => {
      expect(custom.headers).not.toHaveProperty("originator")
      expect(proxy.baseURL).toBe("https://proxy.example/v1?region=us")
      expect(proxy.headers).toMatchObject({ originator: "opencode", "session-id": "ses_test" })
+      const sessions = yield* Session.Service
+      const location = yield* Location.Service
+      const parent = yield* sessions.create({ location: { directory: location.directory } })
+      const child = yield* sessions.create({ parentID: parent.id })
+      const childRequest = yield* request(Provider.ID.openai, "https://api.openai.com/v1", child.id)
+      expect(childRequest.headers).toMatchObject({ "session-id": parent.id })
      const eligible = required(yield* models.get(Provider.ID.openai, Model.ID.make("gpt-5.5")))
      expect(eligible.package).toBe("@opencode/ai/providers/openai")
      expect(eligible.headers).toMatchObject({ originator: "opencode", "chatgpt-account-id": "acct_123" })
@@ -445,12 +445,12 @@ it.effect("manual compaction summarizes short context instead of no-op", () =>
    expect(requests).toHaveLength(1)
    expect(requests[0]?.promptCacheKey).toBe(parentID)
    expect(requests[0]?.http?.headers).toEqual({
-      "x-session-affinity": sessionID,
-      "X-Session-Id": sessionID,
+      "x-session-affinity": parentID,
+      "X-Session-Id": parentID,
      "x-parent-session-id": parentID,
      "User-Agent": App.useragent(App.make()),
      "x-opencode-project": Project.ID.global,
-      "x-opencode-session": sessionID,
+      "x-opencode-session": parentID,
      "x-opencode-client": "opencode",
    })
    expect(requests[0]?.generation).toEqual(GenerationOptions.make({ maxTokens: 20_000 }))
@@ -236,7 +236,7 @@ const setup = Effect.gen(function* () {
    db,
    bus,
    session,
-    instructions: yield* instructionBuiltIns.load(sessionID),
+    instructions: yield* instructionBuiltIns.load(),
    instances: Instance.Service.of({
      // Generation only exercises the Location's model context.
      provide: () =>
@@ -87,7 +87,7 @@ import { permissionLayer } from "./lib/permission"
 import { agentHost, modelHost, host, noProviders } from "./plugin/host"
 import { CodeModeInstructions } from "@opencode/core/codemode/instructions"

-const emptyCodeMode = `\n\n${CodeModeInstructions.render({ total: 0, shown: 0, namespaces: [] })}`
+const emptyCodeMode = `${CodeModeInstructions.render({ total: 0, shown: 0, namespaces: [] })}\n\n`
 type ToolBarrier = {
  readonly count: number
  readonly started: Deferred.Deferred<void>
@@ -128,6 +128,7 @@ const undersizedContextModel = testModel("undersized-context", { context: 1, out
 const recoveryModel = testModel("recovery", { context: 200_000, output: 1_000 })
 const fittedOutputModel = testModel("fitted-output", { context: 100_000, output: 64_000 })
 const smallWindowModel = testModel("small-window", { context: 64_000, output: 16_000 })
+const largeOutputModel = testModel("large-output", { context: 1_000_000, output: 1_000_000 })

 test("calculates step cost using the matching context tier", () => {
  expect(
@@ -1874,8 +1875,8 @@ describe("SessionRunnerLLM", () => {
    yield* s.runPrompt("Second")

    expect(s.requests.map((request) => request.system.map((part) => part.text))).toEqual([
-      [defaultSystem, fakeIdentity, "Initial context\n\nBuild skills"],
-      [defaultSystem, fakeIdentity, "Initial context\n\nBuild skills"],
+      [defaultSystem, fakeIdentity, "Build skills\n\nInitial context"],
+      [defaultSystem, fakeIdentity, "Build skills\n\nInitial context"],
    ])
    expect(systemTexts(s.requests[1])).toContainEqual(expect.stringContaining("Reviewer skills"))
  })
@@ -1897,7 +1898,7 @@ describe("SessionRunnerLLM", () => {
    yield* s.runPrompt("First")

    expect(s.requests.map((request) => request.system.map((part) => part.text))).toEqual([
-      [defaultSystem, fakeIdentity, "Initial context\n\nBuild skills"],
+      [defaultSystem, fakeIdentity, "Build skills\n\nInitial context"],
    ])
  })

@@ -3424,6 +3425,14 @@ describe("SessionRunnerLLM", () => {
    expect(s.requests[1]?.generation?.maxTokens).toBeGreaterThan(100_000 - 50_000 - 200)
  })

+  scenario("caps the output limit a large model advertises", function* (s) {
+    s.currentModel = largeOutputModel
+    yield* s.llm.push(TestLLM.text("Answer", "text-large-output"))
+    yield* s.runPrompt("Question")
+
+    expect(s.requests[0]?.generation?.maxTokens).toBe(256_000)
+  })
+
  scenario("gives the summary its full output limit when the conversation overshot the threshold", function* (s) {
    // The conversation overshot the threshold, so the prepared summary request exceeds the budget and `deliver`
    // shrinks it before sending. The output limit must follow the budget, not the oversized prepared request.
@@ -4693,7 +4702,12 @@ describe("SessionRunnerLLM", () => {
      .pipe(Effect.orDie)
    yield* s.runPrompt("Run child request")

-    expect(s.requests[0]?.http?.headers?.["x-parent-session-id"]).toBe(parentID)
+    expect(s.requests[0]?.http?.headers).toMatchObject({
+      "x-session-affinity": parentID,
+      "X-Session-Id": parentID,
+      "x-parent-session-id": parentID,
+      "x-opencode-session": parentID,
+    })
    expect(s.requests[0]?.promptCacheKey).toBe(parentID)
  })

--- a/Show More
+++ b/Show More