chore(version): bump version to 1.11.0

Unused CSS motion experiment with known performance issues; no references remain.

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
         node-version: [24]
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 

.github/workflows/deploy-demo.yml

@@ -13,7 +13,7 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Node.js
         uses: actions/setup-node@v6

.gitignore

@@ -39,4 +39,5 @@ package.json.bak
 # AI
 .claude
 .cursor
-.gemini
+.gemini
+.codex

.vscode/cspell.json

@@ -0,0 +1,82 @@
+{
+    "version": "0.2",
+    "language": "en",
+    "globRoot": "..",
+    "ignorePaths": [
+        "**/node_modules/**",
+        "**/dist/**",
+        "**/dist-ssr/**",
+        "**/.output/**",
+        "**/.wxt/**",
+        "**/*.svg"
+    ],
+    "words": [
+        "activedescendant",
+        "adex",
+        "agentactivity",
+        "agentic",
+        "akldabonmimlicnjlflnapfeklbfemhj",
+        "aliyun",
+        "Bailian",
+        "Bento",
+        "BYOK",
+        "Chromewebstore",
+        "contenteditable",
+        "deepseek",
+        "executionresult",
+        "fieldsets",
+        "gaomeng",
+        "Googlechrome",
+        "Grabbable",
+        "Gregor",
+        "haspopup",
+        "highspeed",
+        "historicalevent",
+        "historychange",
+        "HITL",
+        "hrefs",
+        "IDBP",
+        "innerhtml",
+        "instructionsconfig",
+        "kimi",
+        "languagedetector",
+        "Lian",
+        "llms",
+        "magicui",
+        "maxlength",
+        "menuitemcheckbox",
+        "menuitemradio",
+        "modelcontextprotocol",
+        "multipageagent",
+        "nesw",
+        "npmmirror",
+        "Ollama",
+        "onwarn",
+        "opensource",
+        "openrouter",
+        "pageagent",
+        "pageagentcore",
+        "pageagentext",
+        "postpublish",
+        "qwen",
+        "reactid",
+        "reactroot",
+        "retryable",
+        "shadcn",
+        "sidepanel",
+        "spinbutton",
+        "staticity",
+        "statuschange",
+        "Supabase",
+        "toggleable",
+        "trivago",
+        "Uncapitalize",
+        "unparseable",
+        "valuenow",
+        "valuetext",
+        "WCAG",
+        "webgl",
+        "wouter",
+        "Zunic"
+    ]
+}

.vscode/settings.json

@@ -1,23 +1,4 @@
 {
-    "cSpell.words": [
-        "contenteditable",
-        "deepseek",
-        "historychange",
-        "HITL",
-        "innerhtml",
-        "languagedetector",
-        "llms",
-        "magicui",
-        "npmmirror",
-        "onwarn",
-        "opensource",
-        "qwen",
-        "retryable",
-        "shadcn",
-        "sidepanel",
-        "statuschange",
-        "wouter"
-    ],
     "files.exclude": {
         "packages/*/node_modules": true
     },

AGENTS.md

@@ -23,6 +23,7 @@ npm run build                  # Build all packages
 npm run build:libs             # Build all libraries
 npm run build:ext              # Build and zip the extension package
 npm run typecheck              # Typecheck all packages
+npm run test                   # Run unit tests across all workspaces
 npm run lint                   # ESLint
 ```
 
@@ -125,6 +126,20 @@ const pageInfo = await this.pageController.getPageInfo()
 2. Expose via async method in `PageController.ts`
 3. Export from `packages/page-controller/src/index.ts`
 
+## Testing
+
+- **Framework**: Vitest (unit tests only for now; future E2E goes to `packages/e2e/` with Playwright)
+- **Location**: co-located, `src/foo.test.ts` next to `src/foo.ts`
+- **Coverage today**: `packages/llms` only — other packages will follow incrementally
+- **Adding tests to a new package**: create `vitest.config.ts` in the package and add a `"test": "vitest run"` script. Root `npm test` and `node scripts/ci.js` pick it up through npm workspaces.
+- **Template**: See @page-agent/llms
+
+```bash
+npm test                            # all packages with a test script
+npm test -w @page-agent/llms        # single package
+cd packages/llms && npx vitest      # watch mode in one package
+```
+
 ## Code Standards
 
 - Explicit typing for exported/public APIs

README.md

@@ -1,8 +1,8 @@
 # Page Agent
 
 <picture>
-  <source media="(prefers-color-scheme: dark)" srcset="https://img.alicdn.com/imgextra/i4/O1CN01qKig1P1FnhpFKNdi6_!!6000000000532-2-tps-1280-256.png">
+  <source media="(prefers-color-scheme: dark)" srcset="https://page-agent.github.io/assets/readme/banner-dark.png">
-  <img alt="Page Agent Banner" src="https://img.alicdn.com/imgextra/i1/O1CN01NCMKXj1Gn4tkFTsxf_!!6000000000666-2-tps-1280-256.png">
+  <img alt="Page Agent Banner" src="https://page-agent.github.io/assets/readme/banner-light.png">
 </picture>
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-auto.svg)](https://opensource.org/licenses/MIT) [![TypeScript](https://img.shields.io/badge/%3C%2F%3E-TypeScript-%230074c1.svg)](http://www.typescriptlang.org/) [![Bundle Size](https://img.shields.io/bundlephobia/minzip/page-agent)](https://bundlephobia.com/package/page-agent) [![Downloads](https://img.shields.io/npm/dt/page-agent.svg)](https://www.npmjs.com/package/page-agent) [![GitHub stars](https://img.shields.io/github/stars/alibaba/page-agent.svg)](https://github.com/alibaba/page-agent)
@@ -13,7 +13,9 @@ The GUI Agent Living in Your Webpage. Control web interfaces with natural langua
 
 <a href="https://alibaba.github.io/page-agent/" target="_blank"><b>🚀 Demo</b></a> | <a href="https://alibaba.github.io/page-agent/docs/introduction/overview" target="_blank"><b>📖 Docs</b></a> | <a href="https://news.ycombinator.com/item?id=47264138" target="_blank"><b>📢 HN Discussion</b></a> | <a href="https://x.com/simonluvramen" target="_blank"><b>𝕏 Follow on X</b></a>
 
-<video id="demo-video" src="https://github.com/user-attachments/assets/a1f2eae2-13fb-4aae-98cf-a3fc1620a6c2" controls crossorigin muted></video>
+<!-- demo video -->
+
+https://github.com/user-attachments/assets/a1f2eae2-13fb-4aae-98cf-a3fc1620a6c2
 
 ---
 
@@ -48,10 +50,10 @@ Fastest way to try PageAgent with our free Demo LLM:
 
 > **⚠️ For technical evaluation only.** This demo CDN uses our free [testing LLM API](https://alibaba.github.io/page-agent/docs/features/models#free-testing-api). By using it, you agree to its [terms](https://github.com/alibaba/page-agent/blob/main/docs/terms-and-privacy.md).
 
-| Mirrors | URL                                                                                |
+| Mirrors | URL                                                                                 |
-| ------- | ---------------------------------------------------------------------------------- |
+| ------- | ----------------------------------------------------------------------------------- |
-| Global  | https://cdn.jsdelivr.net/npm/page-agent@1.8.2/dist/iife/page-agent.demo.js         |
+| Global  | https://cdn.jsdelivr.net/npm/page-agent@1.11.0/dist/iife/page-agent.demo.js         |
-| China   | https://registry.npmmirror.com/page-agent/1.8.2/files/dist/iife/page-agent.demo.js |
+| China   | https://registry.npmmirror.com/page-agent/1.11.0/files/dist/iife/page-agent.demo.js |
 
 Add `?autoInit=false` to load the script without creating the demo agent automatically. You can then instantiate it with `new window.PageAgent(...)`.
 

docs/CHANGELOG.md

@@ -5,6 +5,99 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.10.0] - 2026-06-15
+
+### Breaking Changes
+
+- **Agent run lifecycle rework** - `stop()` is now async and resolves only after the run fully settles. Run status is decoupled from task outcome: a new `stopped` state was added, and LLM self-reported failures now end as `completed`. Lifecycle hooks re-throw instead of folding errors into the result, agent errors are recorded in history, and `agent.lastResult` was added.
+
+### Features
+
+- **Abortable JavaScript execution** - `execute_javascript` now honors the `AbortSignal`.
+- **Leaner agent prompts** - Simplified the waiting-response flow and removed navigation-back instructions to reduce LLM cognitive load.
+- **MultiPageAgent safety** - Disabled `ScriptExecutionTool` for `MultiPageAgent`.
+
+### Improvements
+
+- **Dark mode detection** - Refined detection heuristics and made `isMainContentDark` less aggressive by checking `html` and `body` data attributes independently.
+- **Extension lifecycle robustness** - Drove heartbeat and running state from status changes, cleared stale activity on any non-running status, handled the stopped lifecycle state, and cleared `currentTabId` on `TabsController.init`.
+
+### Bug Fixes
+
+- **Accurate wait reporting** - Wait steps now report the actual wait duration.
+- **Scroll predicates** - Scroll predicates now return booleans.
+- **Docs** - Fixed the broken demo video on GitHub.
+
+## [1.9.0] - 2026-06-08
+
+### Features
+
+- **Robust abort handling** - Rewrote the aborting system; sync tools, loop execution, and LLM clients now correctly respect task abort signals (`ctx.signal`). Also decoupled `AbortError` from `InvokeError` in `@page-agent/llms`.
+- **Claude Opus 4.8 support** - Added support for Claude Opus 4.8 model.
+
+### Improvements
+
+- **Concurrency guard** - Prevented concurrent `execute()` calls on a single PageAgent/Core instance to avoid race conditions.
+- **Model recommendations refresh** - Updated default and tested model list recommendations.
+- **Test coverage** - Added comprehensive Vitest unit tests for the `@page-agent/llms` package.
+- **Improved documentation** - Added website documentation for the `ctx.signal` abort contract and `execute()` concurrency rules.
+
+### Bug Fixes
+
+- **DTS bundle fix** - Fixed a packaging bug where global type declarations were incorrectly bundled into `.d.ts` outputs.
+- **Website sidebar fix** - Normalized trailing slashes in the website's sidebar location comparison.
+
+## [1.8.2] - 2026-05-11
+
+### Features
+
+- **IIFE demo control** - Added `showPanel` and `autoInit` switches to the IIFE CDN script to control whether the UI panel automatically displays or initializes on load.
+
+### Improvements
+
+- **Build toolchain modernization** - Upgraded build infrastructure to Vite 8.
+
+### Bug Fixes
+
+- **TypeScript `InvokeErrorType` fix** - Separated the value and type space for `InvokeErrorType` to resolve TypeScript compilation issues.
+- **Website chunking fix** - Restored working code-splitting with `manualChunks` for the documentation website.
+
+## [1.8.1] - 2026-04-27
+
+### Features
+
+- **GPT-5.4 & Qwen 3.6 support** - Added support for `gpt-5.4` and `qwen3.6-max/flash` in the recommended LLM list.
+- **Custom LLM request hook** - Added a `transformRequestBody` hook to allow custom modification of payloads before sending requests to LLM providers.
+
+### Improvements
+
+- **Accessibility (a11y) enhancements** - Added descriptive accessible labels to `ConfigPanel` input fields and icon buttons in compliance with WCAG 4.1.2.
+- **UI polish** - Improved `HistoryList` loading and empty states, and added helpful tooltips for actions.
+- **Prompt caching guidance** - Added website documentation for prompt caching optimization.
+- **Build speedups** - Added parallel build scripts to accelerate local development compilation.
+
+### Bug Fixes
+
+- **DeepSeek tool choice fix** - Disabled explicit `tool_choice` for DeepSeek models to avoid API compatibility errors.
+- **MCP version advertising** - MCP server now correctly advertises its package version.
+
+## [1.8.0] - 2026-04-15
+
+### Breaking Changes
+
+- **TypeScript 6 & ESLint 10 upgrade** - Major toolchain modernization. Upgraded the entire monorepo to TypeScript 6 and ESLint 10 with source-first monorepo resolution (library exports resolve to source files directly during local development).
+
+### Improvements
+
+- **MCP security hardening** - Bound the MCP HTTP + WebSocket server to `localhost` only.
+- **Extension UI refinement** - Made the history panel height responsive to the viewport and improved the result card readability by increasing font size.
+
+### Bug Fixes
+
+- **SimulatorMask memory leak** - Fixed a memory leak by ensuring the `requestAnimationFrame` loop is cancelled when disposing the SimulatorMask.
+- **Autofixer format fix** - Corrected the fallback action format for `autoFixer` when waiting.
+- **IIFE scope protection** - Fixed a name collision in IIFE builds by preventing global helper function re-declarations.
+
 ## [1.7.1] - 2026-04-04
 
 ### Features

docs/README-zh.md

@@ -1,8 +1,8 @@
 # Page Agent
 
 <picture>
-  <source media="(prefers-color-scheme: dark)" srcset="https://img.alicdn.com/imgextra/i4/O1CN01qKig1P1FnhpFKNdi6_!!6000000000532-2-tps-1280-256.png">
+  <source media="(prefers-color-scheme: dark)" srcset="https://page-agent.github.io/assets/readme/banner-dark.png">
-  <img alt="Page Agent Banner" src="https://img.alicdn.com/imgextra/i1/O1CN01NCMKXj1Gn4tkFTsxf_!!6000000000666-2-tps-1280-256.png">
+  <img alt="Page Agent Banner" src="https://page-agent.github.io/assets/readme/banner-light.png">
 </picture>
 
 [![License: MIT](https://img.shields.io/badge/License-MIT-auto.svg)](https://opensource.org/licenses/MIT) [![TypeScript](https://img.shields.io/badge/%3C%2F%3E-TypeScript-%230074c1.svg)](http://www.typescriptlang.org/) [![Bundle Size](https://img.shields.io/bundlephobia/minzip/page-agent)](https://bundlephobia.com/package/page-agent) [![Downloads](https://img.shields.io/npm/dt/page-agent.svg)](https://www.npmjs.com/package/page-agent) [![GitHub stars](https://img.shields.io/github/stars/alibaba/page-agent.svg)](https://github.com/alibaba/page-agent)
@@ -13,7 +13,9 @@
 
 <a href="https://alibaba.github.io/page-agent/" target="_blank"><b>🚀 Demo</b></a> | <a href="https://alibaba.github.io/page-agent/docs/introduction/overview" target="_blank"><b>📖 Docs</b></a> | <a href="https://news.ycombinator.com/item?id=47264138" target="_blank"><b>📢 HN Discussion</b></a> | <a href="https://x.com/simonluvramen" target="_blank"><b>𝕏 Follow on X</b></a>
 
-<video id="demo-video" src="https://github.com/user-attachments/assets/a1f2eae2-13fb-4aae-98cf-a3fc1620a6c2" controls crossorigin muted></video>
+<!-- demo video -->
+
+https://github.com/user-attachments/assets/a1f2eae2-13fb-4aae-98cf-a3fc1620a6c2
 
 ---
 
@@ -47,10 +49,10 @@
 
 > **⚠️ 仅用于技术评估。** 该 Demo CDN 使用了免费的[测试 LLM API](https://alibaba.github.io/page-agent/docs/features/models#free-testing-api)，使用即表示您同意其[条款](https://github.com/alibaba/page-agent/blob/main/docs/terms-and-privacy.md)。
 
-| Mirrors | URL                                                                                |
+| Mirrors | URL                                                                                 |
-| ------- | ---------------------------------------------------------------------------------- |
+| ------- | ----------------------------------------------------------------------------------- |
-| Global  | https://cdn.jsdelivr.net/npm/page-agent@1.8.2/dist/iife/page-agent.demo.js         |
+| Global  | https://cdn.jsdelivr.net/npm/page-agent@1.11.0/dist/iife/page-agent.demo.js         |
-| China   | https://registry.npmmirror.com/page-agent/1.8.2/files/dist/iife/page-agent.demo.js |
+| China   | https://registry.npmmirror.com/page-agent/1.11.0/files/dist/iife/page-agent.demo.js |
 
 在 URL 后添加 `?autoInit=false` 可只加载脚本，不自动创建 Demo Agent；之后可通过 `new window.PageAgent(...)` 手动初始化。
 

docs/developer-guide.md

@@ -91,7 +91,7 @@ npm run build:ext
 - Add a new bookmark
 
     ```javascript
-    javascript:(function(){var s=document.createElement('script');s.src=`http://localhost:5174/page-agent.demo.js?t=${Math.random()}`;s.onload=()=>console.log(%27PageAgent ready!%27);document.head.appendChild(s);})();
+    javascript:(function(){var s=document.createElement('script');s.src=`http://localhost:5174/page-agent.demo.js?lang=en-US&t=${Math.random()}`;s.onload=()=>console.log(%27PageAgent ready!%27);document.head.appendChild(s);})();
     ```
 
 - Click the bookmark on any page to load Page-Agent

eslint.config.js

@@ -53,6 +53,7 @@ export default defineConfig([
 			'@typescript-eslint/use-unknown-in-catch-callback-variable': 'off',
 			'@typescript-eslint/no-unnecessary-type-parameters': 'off',
 			'@typescript-eslint/require-await': 'off',
+			'@typescript-eslint/no-deprecated': 'off',
 			'@eslint-react/dom-no-missing-button-type': 'off',
 			'@eslint-react/no-nested-component-definitions': 'off',
 			'@eslint-react/no-array-index-key': 'off',

package.json

@@ -1,7 +1,7 @@
 {
     "name": "root",
     "private": true,
-    "version": "1.8.2",
+    "version": "1.11.0",
     "type": "module",
     "workspaces": [
         "packages/page-controller",
@@ -22,7 +22,7 @@
     },
     "homepage": "https://alibaba.github.io/page-agent/",
     "engines": {
-        "node": "^22.13.0 || >=24",
+        "node": "^22.22.1 || >=24",
         "npm": "^11.6.3"
     },
     "scripts": {
@@ -36,37 +36,40 @@
         "version": "node scripts/sync-version.js",
         "postpublish": "npm run postpublish --workspaces --if-present",
         "typecheck": "tsc --noEmit -p tsconfig.typecheck.json && tsc --noEmit -p packages/extension/tsconfig.json",
+        "test": "npm test --workspaces --if-present",
         "lint": "eslint .",
         "ci": "node scripts/ci.js",
         "cleanup": "rm -rf packages/*/dist && rm -rf packages/*/.output",
         "prepare": "husky || true"
     },
     "devDependencies": {
-        "@commitlint/cli": "^20.5.3",
+        "@commitlint/cli": "^21.2.0",
-        "@commitlint/config-conventional": "^20.5.3",
+        "@commitlint/config-conventional": "^21.2.0",
-        "@eslint-react/eslint-plugin": "^4.2.3",
+        "@eslint-react/eslint-plugin": "^5.10.0",
         "@eslint/js": "^10.0.1",
-        "@microsoft/api-extractor": "^7.58.7",
+        "@microsoft/api-extractor": "^7.58.9",
-        "@tailwindcss/vite": "^4.3.0",
+        "@tailwindcss/vite": "^4.3.2",
         "@trivago/prettier-plugin-sort-imports": "^6.0.2",
-        "@types/node": "^25.6.0",
+        "@types/node": "^26.0.1",
-        "@vitejs/plugin-react": "^6.0.1",
+        "@vitejs/plugin-react": "^6.0.3",
         "chalk": "^5.6.2",
-        "concurrently": "^9.2.1",
+        "concurrently": "^10.0.3",
         "dotenv": "^17.4.2",
-        "eslint": "^10.2.0",
+        "eslint": "^10.6.0",
-        "globals": "^17.5.0",
+        "globals": "^17.7.0",
+        "happy-dom": "^20.10.6",
         "husky": "^9.1.7",
-        "lint-staged": "^16.4.0",
+        "lint-staged": "^17.0.8",
-        "prettier": "^3.8.2",
+        "prettier": "^3.9.4",
-        "typescript": "^6.0.2",
+        "typescript": "^6.0.3",
-        "typescript-eslint": "^8.59.2",
+        "typescript-eslint": "^8.62.1",
-        "unplugin-dts": "^1.0.0",
+        "unplugin-dts": "^1.0.3",
-        "vite": "^8.0.12",
+        "vite": "^8.1.2",
-        "vite-plugin-css-injected-by-js": "^5.0.1"
+        "vite-plugin-css-injected-by-js": "^5.0.1",
+        "vitest": "^4.1.9"
     },
     "overrides": {
-        "typescript": "^6.0.2"
+        "typescript": "^6.0.3"
     },
     "lint-staged": {
         "*.{js,ts,cjs,cts,mjs,mts}": [

packages/core/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@page-agent/core",
     "private": false,
-    "version": "1.8.2",
+    "version": "1.11.0",
     "type": "module",
     "main": "./src/PageAgentCore.ts",
     "types": "./src/PageAgentCore.ts",
@@ -48,14 +48,15 @@
     "homepage": "https://alibaba.github.io/page-agent/",
     "scripts": {
         "build": "vite build",
+        "test": "vitest run",
         "dev:iife": "concurrently \"vite build --config vite.iife.config.js --watch\" \"npx serve dist/iife -p 5174\"",
         "prepublishOnly": "node ../../scripts/pre-publish.js",
         "postpublish": "node ../../scripts/post-publish.js"
     },
     "dependencies": {
         "chalk": "^5.6.2",
-        "@page-agent/llms": "1.8.2",
+        "@page-agent/llms": "1.11.0",
-        "@page-agent/page-controller": "1.8.2"
+        "@page-agent/page-controller": "1.11.0"
     },
     "peerDependencies": {
         "zod": "^3.25.0 || ^4.0.0"

packages/core/src/PageAgentCore.test.ts

@@ -0,0 +1,365 @@
+import type { BrowserState, PageController } from '@page-agent/page-controller'
+import { describe, expect, it, vi } from 'vitest'
+import * as z from 'zod/v4'
+
+import { PageAgentCore, tool } from './PageAgentCore'
+import type { ExecutionResult } from './types'
+
+type TestFetch = (...args: Parameters<typeof globalThis.fetch>) => Promise<Response>
+
+function agentResponse(args: unknown): Response {
+	return new Response(
+		JSON.stringify({
+			choices: [
+				{
+					finish_reason: 'tool_calls',
+					message: {
+						tool_calls: [
+							{
+								function: {
+									name: 'AgentOutput',
+									arguments: JSON.stringify(args),
+								},
+							},
+						],
+					},
+				},
+			],
+			usage: {},
+		})
+	)
+}
+
+function createPageController(): PageController {
+	const browserState: BrowserState = {
+		url: 'https://example.test/',
+		title: 'Test page',
+		header: '',
+		content: '',
+		footer: '',
+	}
+
+	return {
+		showMask: vi.fn(async () => {}),
+		hideMask: vi.fn(),
+		cleanUpHighlights: vi.fn(),
+		getLastUpdateTime: vi.fn(() => Date.now()),
+		getBrowserState: vi.fn(async () => browserState),
+		dispose: vi.fn(),
+	} as unknown as PageController
+}
+
+function createAgent(
+	customFetch: TestFetch,
+	options: Partial<ConstructorParameters<typeof PageAgentCore>[0]> = {}
+): PageAgentCore {
+	return new PageAgentCore({
+		baseURL: 'https://llm.test',
+		model: 'test-model',
+		maxRetries: 0,
+		stepDelay: 0,
+		customFetch,
+		customSystemPrompt: 'test',
+		pageController: createPageController(),
+		...options,
+	})
+}
+
+function createFetchMock() {
+	return vi.fn<TestFetch>()
+}
+
+function onceActivity(
+	agent: PageAgentCore,
+	predicate: (detail: unknown) => boolean
+): Promise<void> {
+	return new Promise((resolve) => {
+		const onActivity = (event: Event) => {
+			if (!predicate((event as CustomEvent).detail)) return
+			agent.removeEventListener('activity', onActivity)
+			resolve()
+		}
+
+		agent.addEventListener('activity', onActivity)
+	})
+}
+
+function isExecutingTool(detail: unknown, toolName: string): boolean {
+	return (
+		typeof detail === 'object' &&
+		detail !== null &&
+		'type' in detail &&
+		'tool' in detail &&
+		detail.type === 'executing' &&
+		detail.tool === toolName
+	)
+}
+
+function doneResponse(text: string, success = true): Response {
+	return agentResponse({ action: { done: { text, success } } })
+}
+
+function waitResponse(seconds = 10): Response {
+	return agentResponse({ action: { wait: { seconds } } })
+}
+
+/**
+ * Start a task that blocks on `wait`, returning once the tool is executing.
+ * The running promise is wrapped so awaiting this helper does not await the task.
+ */
+async function startBlockedTask(
+	agent: PageAgentCore,
+	task = 'first'
+): Promise<{ result: Promise<ExecutionResult> }> {
+	const waitStarted = onceActivity(agent, (detail) => isExecutingTool(detail, 'wait'))
+	const result = agent.execute(task)
+	await waitStarted
+	return { result }
+}
+
+describe.concurrent('PageAgentCore lifecycle', () => {
+	describe('normal execution', () => {
+		it('runs a task to natural completion', async () => {
+			const fetchMock = createFetchMock().mockResolvedValueOnce(doneResponse('all done'))
+			const agent = createAgent(fetchMock)
+
+			const result = await agent.execute('do something')
+
+			expect(result).toMatchObject({ success: true, data: 'all done' })
+			expect(agent.status).toBe('completed')
+			expect(fetchMock).toHaveBeenCalledTimes(1)
+		})
+
+		it('completes (not errors) when the LLM reports task failure', async () => {
+			const fetchMock = createFetchMock().mockResolvedValueOnce(doneResponse('gave up', false))
+			const agent = createAgent(fetchMock)
+
+			const result = await agent.execute('do something')
+
+			expect(result).toMatchObject({ success: false, data: 'gave up' })
+			expect(agent.status).toBe('completed')
+		})
+
+		it('throws when a task is already running', async () => {
+			const fetchMock = createFetchMock().mockResolvedValueOnce(waitResponse())
+			const agent = createAgent(fetchMock)
+			const { result } = await startBlockedTask(agent)
+
+			await expect(agent.execute('second')).rejects.toThrow('A task is already running.')
+
+			await agent.stop()
+			await result
+		})
+	})
+
+	describe('stop', () => {
+		it('aborts the running task and keeps the agent reusable', async () => {
+			const fetchMock = createFetchMock()
+				.mockResolvedValueOnce(waitResponse())
+				.mockResolvedValueOnce(doneResponse('second task'))
+			const agent = createAgent(fetchMock)
+			const { result: firstTask } = await startBlockedTask(agent)
+
+			await agent.stop()
+			expect(agent.status).toBe('stopped')
+			await expect(firstTask).resolves.toMatchObject({ success: false, data: 'Task aborted' })
+
+			const secondTask = await agent.execute('second')
+			expect(secondTask).toMatchObject({ success: true, data: 'second task' })
+			expect(agent.status).toBe('completed')
+		})
+
+		it('resolves only after the run has fully settled', async () => {
+			const fetchMock = createFetchMock().mockResolvedValueOnce(waitResponse())
+			const agent = createAgent(fetchMock)
+			const { result } = await startBlockedTask(agent)
+
+			await agent.stop()
+			expect(agent.status).toBe('stopped')
+			await expect(result).resolves.toMatchObject({ success: false })
+		})
+
+		it('is a no-op when no task is running', async () => {
+			const agent = createAgent(createFetchMock())
+
+			await expect(agent.stop()).resolves.toBeUndefined()
+			await expect(agent.stop()).resolves.toBeUndefined()
+			expect(agent.status).toBe('idle')
+		})
+	})
+
+	describe('dispose', () => {
+		it('aborts the running task and blocks further execution', async () => {
+			const fetchMock = createFetchMock().mockResolvedValueOnce(waitResponse())
+			const agent = createAgent(fetchMock)
+			const { result: task } = await startBlockedTask(agent)
+
+			agent.dispose()
+			await expect(task).resolves.toMatchObject({ success: false, data: 'Task aborted' })
+
+			expect(agent.disposed).toBe(true)
+			await expect(agent.execute('again')).rejects.toThrow('has been disposed')
+		})
+
+		it('is idempotent', () => {
+			const agent = createAgent(createFetchMock())
+
+			expect(() => {
+				agent.dispose()
+				agent.dispose()
+			}).not.toThrow()
+			expect(agent.disposed).toBe(true)
+		})
+	})
+
+	describe('error handling', () => {
+		it('fails the task when the network request rejects', async () => {
+			const fetchMock = createFetchMock().mockRejectedValue(new Error('network down'))
+			const agent = createAgent(fetchMock)
+
+			const result = await agent.execute('do something')
+
+			expect(result.success).toBe(false)
+			expect(agent.status).toBe('error')
+		})
+
+		it('fails the task when a tool throws', async () => {
+			const fetchMock = createFetchMock().mockResolvedValue(agentResponse({ action: { boom: {} } }))
+			const agent = createAgent(fetchMock, {
+				customTools: {
+					boom: tool({
+						description: 'Always throws.',
+						inputSchema: z.object({}),
+						execute: async () => {
+							throw new Error('tool exploded')
+						},
+					}),
+				},
+			})
+
+			const result = await agent.execute('trigger tool error')
+
+			expect(result.success).toBe(false)
+			expect(agent.status).toBe('error')
+		})
+
+		it('re-throws and sets error status when onBeforeTask throws', async () => {
+			const agent = createAgent(createFetchMock(), {
+				onBeforeTask: async () => {
+					throw new Error('setup failed')
+				},
+			})
+
+			await expect(agent.execute('do something')).rejects.toThrow('setup failed')
+			expect(agent.status).toBe('error')
+			expect(agent.history.some((e) => e.type === 'error')).toBe(false)
+		})
+
+		it('re-throws and sets error status when onAfterTask throws', async () => {
+			const fetchMock = createFetchMock().mockResolvedValueOnce(doneResponse('all done'))
+			const agent = createAgent(fetchMock, {
+				onAfterTask: async () => {
+					throw new Error('teardown failed')
+				},
+			})
+
+			await expect(agent.execute('do something')).rejects.toThrow('teardown failed')
+			expect(agent.status).toBe('error')
+		})
+
+		it('stays reusable after onBeforeTask throws', async () => {
+			const fetchMock = createFetchMock().mockResolvedValueOnce(doneResponse('second'))
+			let failOnce = true
+			const agent = createAgent(fetchMock, {
+				onBeforeTask: async () => {
+					if (failOnce) {
+						failOnce = false
+						throw new Error('setup failed')
+					}
+				},
+			})
+
+			await expect(agent.execute('first')).rejects.toThrow('setup failed')
+			const result = await agent.execute('second')
+			expect(result).toMatchObject({ success: true, data: 'second' })
+		})
+
+		it('re-throws and sets error status when onBeforeStep throws', async () => {
+			const agent = createAgent(createFetchMock(), {
+				onBeforeStep: async () => {
+					throw new Error('before step failed')
+				},
+			})
+
+			await expect(agent.execute('do something')).rejects.toThrow('before step failed')
+			expect(agent.status).toBe('error')
+			expect(agent.history.some((e) => e.type === 'error')).toBe(false)
+		})
+
+		it('re-throws and sets error status when onAfterStep throws', async () => {
+			const fetchMock = createFetchMock().mockResolvedValueOnce(doneResponse('all done'))
+			const agent = createAgent(fetchMock, {
+				onAfterStep: async () => {
+					throw new Error('after step failed')
+				},
+			})
+
+			await expect(agent.execute('do something')).rejects.toThrow('after step failed')
+			expect(agent.status).toBe('error')
+			expect(agent.history.some((e) => e.type === 'error')).toBe(false)
+		})
+	})
+
+	describe('cancellation edge cases', () => {
+		it('rejects a new task while a stop is still settling', async () => {
+			const fetchMock = createFetchMock().mockResolvedValueOnce(waitResponse())
+			const agent = createAgent(fetchMock)
+			const { result: firstTask } = await startBlockedTask(agent)
+
+			const stopped = agent.stop()
+
+			await expect(agent.execute('too early')).rejects.toThrow('A task is already running.')
+
+			await stopped
+			await expect(firstTask).resolves.toMatchObject({ success: false, data: 'Task aborted' })
+			expect(fetchMock).toHaveBeenCalledTimes(1)
+		})
+
+		it('discards a custom tool result that resolves after stop', async () => {
+			let resolveTool!: () => void
+			let notifyToolStarted!: () => void
+			const toolFinished = new Promise<void>((resolve) => {
+				resolveTool = resolve
+			})
+			const toolStarted = new Promise<void>((resolve) => {
+				notifyToolStarted = resolve
+			})
+			const fetchMock = createFetchMock().mockResolvedValue(
+				agentResponse({ action: { slow_tool: {} } })
+			)
+			const agent = createAgent(fetchMock, {
+				customTools: {
+					slow_tool: tool({
+						description: 'A tool that deliberately ignores cancellation.',
+						inputSchema: z.object({}),
+						execute: async () => {
+							notifyToolStarted()
+							await toolFinished
+							return 'ignored stop'
+						},
+					}),
+				},
+			})
+
+			const task = agent.execute('run slow tool')
+			await toolStarted
+
+			const stopped = agent.stop()
+			resolveTool()
+			await stopped
+
+			await expect(task).resolves.toMatchObject({ success: false, data: 'Task aborted' })
+			expect(agent.status).toBe('stopped')
+		})
+	})
+})

packages/core/src/PageAgentCore.ts

@@ -21,7 +21,7 @@ import type {
 	MacroToolInput,
 	MacroToolResult,
 } from './types'
-import { assert, fetchLlmsTxt, normalizeResponse, uid, waitFor } from './utils'
+import { assert, fetchLlmsTxt, normalizeResponse, suppress, uid, waitFor } from './utils'
 
 export { tool, type PageAgentTool } from './tools'
 export type * from './types'
@@ -42,7 +42,7 @@ export type PageAgentCoreConfig = AgentConfig & { pageController: PageController
  * - loop
  *
  * ## Event System
- * - `statuschange` - Agent status transitions (idle → running → completed/error)
+ * - `statuschange` - Agent status transitions (idle → running → completed/error/stopped)
  * - `historychange` - History events updated (persistent, part of agent memory)
  * - `activity` - Real-time activity feedback (transient, for UI only)
  * - `dispose` - Agent cleanup triggered
@@ -73,17 +73,28 @@ export class PageAgentCore extends EventTarget {
 	disposed = false
 
 	/**
-	 * Callback for when agent needs user input (ask_user tool)
+	 * Called when the agent needs to ask the user questions.
-	 * If not set, ask_user tool will be disabled
+	 * If unset, the `ask_user` tool will be disabled.
+	 * Implementations should reject the promise when `signal` aborts.
 	 * @example onAskUser: (q) => window.prompt(q) || ''
 	 */
-	onAskUser?: (question: string) => Promise<string>
+	onAskUser?: (question: string, options?: { signal: AbortSignal }) => Promise<string>
 
 	#status: AgentStatus = 'idle'
 	#llm: LLM
+	/**
+	 * Task cancellation primitive: its signal reaches the LLM fetch, tools
+	 * (via `ctx.signal`) and async callbacks. Aborted only by `stop`/`dispose`
+	 * (during a task) or task setup, always WITHOUT a reason so `signal.reason`
+	 * stays a standard `AbortError`.
+	 */
 	#abortController = new AbortController()
 	#observations: string[] = []
 
+	/** Resolves when the current run has fully settled. Awaited by `stop()`. */
+	#running: Promise<void> = Promise.resolve()
+	#lastResult: ExecutionResult | null = null
+
 	/** internal states during a single task execution */
 	#states = {
 		/** Accumulated wait time in seconds */
@@ -103,11 +114,14 @@ export class PageAgentCore extends EventTarget {
 		this.tools = new Map(tools)
 		this.pageController = config.pageController
 
-		// Listen to LLM retry events
 		this.#llm.addEventListener('retry', (e) => {
-			const { attempt, maxAttempts } = (e as CustomEvent).detail
+			const { attempt, maxAttempts, lastError } = (e as CustomEvent).detail
 			this.#emitActivity({ type: 'retrying', attempt, maxAttempts })
-			// Also push to history for panel rendering
+			this.history.push({
+				type: 'error',
+				message: String(lastError),
+				rawResponse: (lastError as InvokeError).rawResponse,
+			})
 			this.history.push({
 				type: 'retry',
 				message: `LLM retry attempt ${attempt} of ${maxAttempts}`,
@@ -116,19 +130,6 @@ export class PageAgentCore extends EventTarget {
 			})
 			this.#emitHistoryChange()
 		})
-		this.#llm.addEventListener('error', (e) => {
-			const error = (e as CustomEvent).detail.error as Error | InvokeError
-			if ((error as any)?.rawError?.name === 'AbortError') return
-			const message = String(error)
-			this.#emitActivity({ type: 'error', message })
-			// Also push to history for panel rendering
-			this.history.push({
-				type: 'error',
-				message,
-				rawResponse: (error as InvokeError).rawResponse,
-			})
-			this.#emitHistoryChange()
-		})
 
 		if (this.config.customTools) {
 			for (const [name, tool] of Object.entries(this.config.customTools)) {
@@ -150,13 +151,19 @@ export class PageAgentCore extends EventTarget {
 		return this.#status
 	}
 
+	/** Result of the most recent run, or `null` before the first run completes. */
+	get lastResult(): ExecutionResult | null {
+		return this.#lastResult
+	}
+
 	/** Emit statuschange event */
 	#emitStatusChange(): void {
 		this.dispatchEvent(new Event('statuschange'))
 	}
 
 	/** Emit historychange event */
-	#emitHistoryChange(): void {
+	#emitHistoryChange(pushHistoricalEvent?: HistoricalEvent): void {
+		if (pushHistoricalEvent) this.history.push(pushHistoricalEvent)
 		this.dispatchEvent(new Event('historychange'))
 	}
 
@@ -186,165 +193,184 @@ export class PageAgentCore extends EventTarget {
 		this.#observations.push(content)
 	}
 
-	/** Stop the current task. Agent remains reusable. */
+	/**
-	stop() {
+	 * Stop the current task and wait until the run has fully settled (including lifecycle hooks).
-		this.pageController.cleanUpHighlights()
+	 * @note never await .stop() in a lifecycle hook.
-		this.pageController.hideMask()
+	 */
+	async stop(): Promise<void> {
+		if (this.#status !== 'running') return
 		this.#abortController.abort()
+		await this.#running
 	}
 
+	/**
+	 * external errors (pre-checks/config/hooks) will threw;
+	 * agent errors will be caught and added to history, and return a failed result
+	 */
 	async execute(task: string): Promise<ExecutionResult> {
+		// pre-checks
 		if (this.disposed) throw new Error('PageAgent has been disposed. Create a new instance.')
+		if (this.#status === 'running') throw new Error('A task is already running.')
 		if (!task) throw new Error('Task is required')
+
 		this.task = task
 		this.taskId = uid()
 
+		this.history = []
+		this.#observations = []
+		this.#states = { totalWaitTime: 0, lastURL: '', browserState: null }
+		this.#abortController = new AbortController()
+		const signal = this.#abortController.signal
+
+		let resolveRunning!: () => void
+		this.#running = new Promise<void>((r) => (resolveRunning = r))
+
+		this.#setStatus('running')
+		this.#emitHistoryChange()
+
 		// Disable ask_user tool if onAskUser is not set
-		if (!this.onAskUser) {
+		if (!this.onAskUser) this.tools.delete('ask_user')
-			this.tools.delete('ask_user')
-		}
 
 		const onBeforeStep = this.config.onBeforeStep
 		const onAfterStep = this.config.onAfterStep
 		const onBeforeTask = this.config.onBeforeTask
 		const onAfterTask = this.config.onAfterTask
-
+		const stepDelay = this.config.stepDelay ?? 0.4
-		await onBeforeTask?.(this)
+		const maxSteps = this.config.maxSteps
-
-		// Show mask
-		await this.pageController.showMask()
-
-		if (this.#abortController) {
-			this.#abortController.abort()
-			this.#abortController = new AbortController()
-		}
-
-		this.history = []
-		this.#setStatus('running')
-		this.#emitHistoryChange()
-		this.#observations = []
-
-		// Reset internal states
-		this.#states = { totalWaitTime: 0, lastURL: '', browserState: null }
 
 		let step = 0
+		let taskResult: ExecutionResult
+		let finalStatus: AgentStatus = 'error'
 
-		while (true) {
+		await suppress(() => this.pageController.showMask())
-			try {
-				console.group(`step: ${step}`)
 
+		// graceful exit
+		try {
+			await onBeforeTask?.(this)
+
+			while (true) {
 				await onBeforeStep?.(this, step)
 
-				// observe
+				// handle internal agent errors
+				try {
+					console.group(`step: ${step}`)
 
-				console.log(chalk.blue.bold('👀 Observing...'))
+					// @note It's convenient to treat stepDelay as part of the next step.
+					// Maybe move it to a dedicated try block for better semantics?
+					if (step > 0) await waitFor(stepDelay, signal)
 
-				this.#states.browserState = await this.pageController.getBrowserState()
+					signal.throwIfAborted()
-				await this.#handleObservations(step)
 
-				// assemble prompts
+					// observe
 
-				const messages = [
+					console.log(chalk.blue.bold('👀 Observing...'))
-					{ role: 'system' as const, content: this.#getSystemPrompt() },
-					{ role: 'user' as const, content: await this.#assembleUserPrompt() },
-				]
 
-				const macroTool = { AgentOutput: this.#packMacroTool() }
+					this.#states.browserState = await this.pageController.getBrowserState()
+					await this.#handleObservations(step)
 
-				// invoke LLM
+					// assemble prompts
 
-				console.log(chalk.blue.bold('🧠 Thinking...'))
+					const messages = [
-				this.#emitActivity({ type: 'thinking' })
+						{ role: 'system' as const, content: this.#getSystemPrompt() },
+						{ role: 'user' as const, content: await this.#assembleUserPrompt() },
+					]
 
-				const result = await this.#llm.invoke(messages, macroTool, this.#abortController.signal, {
+					const macroTool = { AgentOutput: this.#packMacroTool() }
-					toolChoiceName: 'AgentOutput',
-					normalizeResponse: (res) => normalizeResponse(res, this.tools),
-				})
 
-				// assemble history
+					// invoke LLM
 
-				const macroResult = result.toolResult as MacroToolResult
+					console.log(chalk.blue.bold('🧠 Thinking...'))
-				const input = macroResult.input
+					this.#emitActivity({ type: 'thinking' })
-				const output = macroResult.output
-				const reflection: Partial<AgentReflection> = {
-					evaluation_previous_goal: input.evaluation_previous_goal,
-					memory: input.memory,
-					next_goal: input.next_goal,
-				}
-				const actionName = Object.keys(input.action)[0]
-				const action: AgentStepEvent['action'] = {
-					name: actionName,
-					input: input.action[actionName],
-					output: output,
-				}
 
-				this.history.push({
+					const result = await this.#llm.invoke(messages, macroTool, signal, {
-					type: 'step',
+						toolChoiceName: 'AgentOutput',
-					stepIndex: step,
+						normalizeResponse: (res) => normalizeResponse(res, this.tools),
-					reflection,
+					})
-					action,
-					usage: result.usage,
-					rawResponse: result.rawResponse,
-					rawRequest: result.rawRequest,
-				} as AgentStepEvent)
-				this.#emitHistoryChange()
 
-				//
+					// assemble history
 
-				await onAfterStep?.(this, this.history)
+					const macroResult = result.toolResult as MacroToolResult
-
+					const input = macroResult.input
-				console.groupEnd()
+					const output = macroResult.output
-
+					const reflection: Partial<AgentReflection> = {
-				// finish task if done
+						evaluation_previous_goal: input.evaluation_previous_goal,
-
+						memory: input.memory,
-				if (actionName === 'done') {
+						next_goal: input.next_goal,
-					const success = action.input?.success ?? false
+					}
-					const text = action.input?.text || 'no text provided'
+					const actionName = Object.keys(input.action)[0]
-					console.log(chalk.green.bold('Task completed'), success, text)
+					const action: AgentStepEvent['action'] = {
-					this.#onDone(success)
+						name: actionName,
-					const result: ExecutionResult = {
+						input: input.action[actionName],
-						success,
+						output: output,
-						data: text,
-						history: this.history,
 					}
-					await onAfterTask?.(this, result)
-					return result
-				}
-			} catch (error: unknown) {
-				console.groupEnd() // to prevent nested groups
-				const isAbortError = (error as any)?.rawError?.name === 'AbortError'
 
-				console.error('Task failed', error)
+					this.#emitHistoryChange({
-				const errorMessage = isAbortError ? 'Task stopped' : String(error)
+						type: 'step',
-				this.#emitActivity({ type: 'error', message: errorMessage })
+						stepIndex: step,
-				this.history.push({ type: 'error', message: errorMessage, rawResponse: error })
+						reflection,
-				this.#emitHistoryChange()
+						action,
-				this.#onDone(false)
+						usage: result.usage,
-				const result: ExecutionResult = {
+						rawResponse: result.rawResponse,
-					success: false,
+						rawRequest: result.rawRequest,
-					data: errorMessage,
+					})
-					history: this.history,
-				}
-				await onAfterTask?.(this, result)
-				return result
-			}
 
-			step++
+					if (actionName === 'done') {
-			if (step > this.config.maxSteps) {
+						const success = action.input?.success ?? false
-				const errorMessage = 'Step count exceeded maximum limit'
+						const data = action.input?.text || 'no text provided'
-				this.history.push({ type: 'error', message: errorMessage })
+						console.log(chalk.green.bold('Task completed'), success, data)
-				this.#emitHistoryChange()
+						taskResult = { success, data, history: this.history }
-				this.#onDone(false)
+						this.#lastResult = taskResult
-				const result: ExecutionResult = {
+						finalStatus = 'completed'
-					success: false,
+						break
-					data: errorMessage,
+					}
-					history: this.history,
+				} catch (error: unknown) {
-				}
+					// catch block must not throw error. otherwise the error may be overridden if finally block also throws error.
-				await onAfterTask?.(this, result)
-				return result
-			}
 
-			await waitFor(this.config.stepDelay ?? 0.4)
+					const isAbortError = (error as any)?.name === 'AbortError'
+					if (!isAbortError) console.error('Task failed', error)
+					const message = isAbortError ? 'Task aborted' : String(error)
+					this.#emitActivity({ type: 'error', message: message })
+					this.#emitHistoryChange({ type: 'error', message: message, rawResponse: error })
+					taskResult = { success: false, data: message, history: this.history }
+					this.#lastResult = taskResult
+					finalStatus = isAbortError ? 'stopped' : 'error'
+					break
+				} finally {
+					// finally block runs before the break above.
+
+					console.groupEnd()
+					// @note hook may throw error.
+					// which will override the `break` above and be handled as an external error.
+					// as expected.
+					await onAfterStep?.(this, this.history)
+				}
+
+				step++
+				if (step > maxSteps) {
+					const message = 'Step count exceeded maximum limit'
+					console.error(message)
+					this.#emitActivity({ type: 'error', message: message })
+					this.#emitHistoryChange({ type: 'error', message: message })
+					taskResult = { success: false, data: message, history: this.history }
+					this.#lastResult = taskResult
+					finalStatus = 'error'
+					break
+				}
+			} // while
+
+			await onAfterTask?.(this, taskResult)
+
+			return taskResult
+		} catch (error) {
+			this.#emitActivity({ type: 'error', message: String(error) })
+			finalStatus = 'error'
+			throw error
+		} finally {
+			await suppress(() => this.pageController.cleanUpHighlights())
+			await suppress(() => this.pageController.hideMask())
+			this.#abortController.abort()
+			resolveRunning()
+			this.#setStatus(finalStatus)
 		}
 	}
 
@@ -378,8 +404,8 @@ export class PageAgentCore extends EventTarget {
 			description: 'You MUST call this tool every step!',
 			inputSchema: macroToolSchema as z.ZodType<MacroToolInput>,
 			execute: async (input: MacroToolInput): Promise<MacroToolResult> => {
-				// abort
+				const signal = this.#abortController.signal
-				if (this.#abortController.signal.aborted) throw new Error('AbortError')
+				signal.throwIfAborted()
 
 				console.log(chalk.blue.bold('MacroTool input'), input)
 				const action = input.action
@@ -411,8 +437,9 @@ export class PageAgentCore extends EventTarget {
 
 				const startTime = Date.now()
 
-				// Execute tool, bind `this` to PageAgent
+				const result = await tool.execute.bind(this)(toolInput, { signal })
-				const result = await tool.execute.bind(this)(toolInput)
+				// Enforce abort even if the tool ignored the signal and resolved normally.
+				signal.throwIfAborted()
 
 				const duration = Date.now() - startTime
 				console.log(chalk.green.bold(`Tool (${toolName}) executed for ${duration}ms`), result)
@@ -619,13 +646,6 @@ export class PageAgentCore extends EventTarget {
 		return prompt
 	}
 
-	#onDone(success = true) {
-		this.pageController.cleanUpHighlights()
-		this.pageController.hideMask() // No await - fire and forget
-		this.#setStatus(success ? 'completed' : 'error')
-		this.#abortController.abort()
-	}
-
 	dispose() {
 		console.log('Disposing PageAgent...')
 		this.disposed = true

packages/core/src/prompts/system_prompt.md

@@ -37,7 +37,7 @@ and system messages wrapped in <sys> tag.
 <user_request>
 USER REQUEST: This is your ultimate objective and always remains visible.
 - This has the highest priority. Make the user happy.
-- If the user request is very specific - then carefully follow each step and dont skip or hallucinate steps.
+- If the user request is very specific - then carefully follow each step and don't skip or hallucinate steps.
 - If the task is open ended you can plan yourself how to get it done.
 </user_request>
 
@@ -70,7 +70,6 @@ Strictly follow these rules while using the browser and navigating the web:
 - You can scroll by a specific number of pages using the num_pages parameter (e.g., 0.5 for half page, 2.0 for two pages).
 - All the elements that are scrollable are marked with `data-scrollable` attribute. Including the scrollable distance in every directions. You can scroll *the element* in case some area are overflowed.
 - If a captcha appears, tell user you can not solve captcha. Finish the task and ask user to solve it.
-- If expected elements are missing, try scrolling, or navigating back.
 - If the page is not fully loaded, use the `wait` action.
 - Do not repeat one action for more than 3 times unless some conditions changed.
 - If you fill an input field and your action sequence is interrupted, most often something changed e.g. suggestions popped up under the field.

packages/core/src/tools/index.ts

@@ -7,6 +7,14 @@ import * as z from 'zod/v4'
 import type { PageAgentCore } from '../PageAgentCore'
 import { waitFor } from '../utils'
 
+/**
+ * Per-invocation context passed to every tool execution.
+ * Tools MUST honor `signal` to support cooperative cancellation.
+ */
+export interface ToolContext {
+	signal: AbortSignal
+}
+
 /**
  * Internal tool definition that has access to PageAgent `this` context
  */
@@ -14,7 +22,7 @@ export interface PageAgentTool<TParams = any> {
 	// name: string
 	description: string
 	inputSchema: z.ZodType<TParams>
-	execute: (this: PageAgentCore, args: TParams) => Promise<string>
+	execute: (this: PageAgentCore, args: TParams, ctx: ToolContext) => Promise<string>
 }
 
 export function tool<TParams>(options: PageAgentTool<TParams>): PageAgentTool<TParams> {
@@ -50,14 +58,16 @@ tools.set(
 		inputSchema: z.object({
 			seconds: z.number().min(1).max(10).default(1),
 		}),
-		execute: async function (this: PageAgentCore, input) {
+		execute: async function (this: PageAgentCore, input, { signal }) {
 			// try to subtract LLM calling time from the actual wait time
 			const lastTimeUpdate = await this.pageController.getLastUpdateTime()
-			const actualWaitTime = Math.max(0, input.seconds - (Date.now() - lastTimeUpdate) / 1000)
+			const secondsSinceLastUpdate = (Date.now() - lastTimeUpdate) / 1000
+			const actualWaitTime = Math.max(0, input.seconds - secondsSinceLastUpdate)
 			console.log(`actualWaitTime: ${actualWaitTime} seconds`)
-			await waitFor(actualWaitTime)
+			await waitFor(actualWaitTime, signal)
 
-			return `✅ Waited for ${input.seconds} seconds.`
+			const waitedSeconds = (secondsSinceLastUpdate + actualWaitTime).toFixed(2)
+			return `✅ Waited for ${waitedSeconds} seconds.`
 		},
 	})
 )
@@ -70,11 +80,11 @@ tools.set(
 		inputSchema: z.object({
 			question: z.string(),
 		}),
-		execute: async function (this: PageAgentCore, input) {
+		execute: async function (this: PageAgentCore, input, { signal }) {
 			if (!this.onAskUser) {
 				throw new Error('ask_user tool requires onAskUser callback to be set')
 			}
-			const answer = await this.onAskUser(input.question)
+			const answer = await this.onAskUser(input.question, { signal })
 			return `User answered: ${answer}`
 		},
 	})
@@ -173,12 +183,15 @@ tools.set(
 	'execute_javascript',
 	tool({
 		description:
-			'Execute JavaScript code on the current page. Supports async/await syntax. Use with caution!',
+			'Execute JavaScript code on the current page. Supports async/await syntax. Use with caution! ' +
+			'An `AbortSignal` named `signal` is available in scope: long-running async code MUST honor it ' +
+			'(e.g. `await fetch(url, { signal })`, or `signal.throwIfAborted()` in loops)',
 		inputSchema: z.object({
 			script: z.string(),
 		}),
-		execute: async function (this: PageAgentCore, input) {
+		execute: async function (this: PageAgentCore, input, { signal }) {
-			const result = await this.pageController.executeJavascript(input.script)
+			const result = await this.pageController.executeJavascript(input.script, signal)
+			signal.throwIfAborted()
 			return result.message
 		},
 	})
@@ -186,5 +199,4 @@ tools.set(
 
 // @todo send_keys
 // @todo upload_file
-// @todo go_back
 // @todo extract_structured_data

packages/core/src/types.ts

@@ -255,16 +255,12 @@ export interface AgentErrorEvent {
  * Union type for all history events
  */
 export type HistoricalEvent =
-	| AgentStepEvent
+	AgentStepEvent | ObservationEvent | UserTakeoverEvent | RetryEvent | AgentErrorEvent
-	| ObservationEvent
-	| UserTakeoverEvent
-	| RetryEvent
-	| AgentErrorEvent
 
 /**
- * Agent execution status
+ * Agent lifecycle status.
  */
-export type AgentStatus = 'idle' | 'running' | 'completed' | 'error'
+export type AgentStatus = 'idle' | 'running' | 'completed' | 'error' | 'stopped'
 
 /**
  * Agent activity - transient state for immediate UI feedback.

packages/core/src/utils/index.ts

@@ -2,8 +2,28 @@ import chalk from 'chalk'
 
 export * from './autoFixer'
 
-export async function waitFor(seconds: number): Promise<void> {
+/**
-	await new Promise((resolve) => setTimeout(resolve, seconds * 1000))
+ * Wait for `seconds`. If a `signal` is provided, the wait is cancellable:
+ * aborting rejects with the signal's reason (an `AbortError`).
+ */
+export async function waitFor(seconds: number, signal?: AbortSignal): Promise<void> {
+	if (!signal) {
+		await new Promise((resolve) => setTimeout(resolve, seconds * 1000))
+		return
+	}
+	signal.throwIfAborted()
+	await new Promise<void>((resolve, reject) => {
+		const timer = setTimeout(() => {
+			signal.removeEventListener('abort', onAbort)
+			resolve()
+		}, seconds * 1000)
+		const onAbort = () => {
+			clearTimeout(timer)
+			// reason is a DOMException AbortError.
+			reject(signal.reason as DOMException)
+		}
+		signal.addEventListener('abort', onAbort, { once: true })
+	})
 }
 
 //
@@ -109,3 +129,15 @@ export function assert(condition: unknown, message?: string, silent?: boolean):
 		throw new Error(errorMessage)
 	}
 }
+
+/**
+ * Suppress errors from a function.
+ */
+export async function suppress<T>(fn: () => T | Promise<T>): Promise<Awaited<T> | undefined> {
+	try {
+		return await fn()
+	} catch (error) {
+		console.error(error)
+		return undefined
+	}
+}

packages/core/vite.config.js

@@ -12,6 +12,8 @@ export default defineConfig({
 	clearScreen: false,
 	plugins: [
 		dts({
+			include: ['src/**/*.ts'],
+			exclude: ['src/**/*.test.ts'],
 			bundleTypes: true,
 			compilerOptions: {
 				composite: true,

packages/core/vitest.config.js

@@ -0,0 +1,9 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+	test: {
+		name: 'core',
+		include: ['src/**/*.test.ts'],
+		silent: 'passed-only',
+	},
+})

packages/extension/docs/extension_api.md

@@ -96,6 +96,10 @@ Returns: `Promise<ExecutionResult>`
 
 Stop the current task.
 
+## Limitations
+
+- **Normal browser windows only.** This extension relies on tab group API which does not work for pop-up window or PWA App window.
+
 ## Types
 
 Install `@page-agent/core` for complete types:
@@ -131,7 +135,7 @@ export type Execute = (task: string, config: ExecuteConfig) => Promise<Execution
 `AgentStatus`
 
 ```typescript
-type AgentStatus = 'idle' | 'running' | 'completed' | 'error'
+type AgentStatus = 'idle' | 'running' | 'completed' | 'error' | 'stopped'
 ```
 
 `AgentActivity`

packages/extension/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@page-agent/ext",
     "private": true,
-    "version": "1.8.2",
+    "version": "1.11.0",
     "type": "module",
     "scripts": {
         "dev": "wxt",
@@ -10,38 +10,38 @@
         "postinstall": "wxt prepare"
     },
     "devDependencies": {
-        "@radix-ui/react-hover-card": "^1.1.15",
+        "@radix-ui/react-hover-card": "^1.1.18",
         "@radix-ui/react-icons": "^1.3.2",
-        "@radix-ui/react-label": "^2.1.8",
+        "@radix-ui/react-label": "^2.1.11",
-        "@radix-ui/react-separator": "^1.1.8",
+        "@radix-ui/react-separator": "^1.1.11",
-        "@radix-ui/react-slot": "^1.2.4",
+        "@radix-ui/react-slot": "^1.3.0",
-        "@radix-ui/react-switch": "^1.2.6",
+        "@radix-ui/react-switch": "^1.3.2",
-        "@tailwindcss/vite": "^4.3.0",
+        "@tailwindcss/vite": "^4.3.2",
-        "@types/chrome": "^0.1.42",
+        "@types/chrome": "^0.2.1",
-        "@types/react": "^19.2.14",
+        "@types/react": "^19.2.17",
         "@types/react-dom": "^19.2.3",
         "@wxt-dev/module-react": "^1.2.2",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
         "idb": "^8.0.3",
-        "lucide-react": "^1.14.0",
+        "lucide-react": "^1.22.0",
-        "motion": "^12.38.0",
+        "motion": "^12.42.2",
         "next-themes": "^0.4.6",
-        "react": "^19.2.6",
+        "react": "^19.2.7",
-        "react-dom": "^19.2.6",
+        "react-dom": "^19.2.7",
         "rough-notation": "^0.5.1",
-        "simple-icons": "^16.19.0",
+        "simple-icons": "^16.24.1",
         "sonner": "^2.0.7",
         "tailwind-merge": "^3.6.0",
-        "tailwindcss": "^4.3.0",
+        "tailwindcss": "^4.3.2",
         "tw-animate-css": "^1.4.0",
-        "wxt": "^0.20.25"
+        "wxt": "^0.20.27"
     },
     "dependencies": {
-        "@page-agent/core": "1.8.2",
+        "@page-agent/core": "1.11.0",
-        "@page-agent/llms": "1.8.2",
+        "@page-agent/llms": "1.11.0",
-        "@page-agent/page-controller": "1.8.2",
+        "@page-agent/page-controller": "1.11.0",
-        "@page-agent/ui": "1.8.2",
+        "@page-agent/ui": "1.11.0",
         "ai-motion": "^0.4.8",
         "chalk": "^5.6.2"
     },

packages/extension/src/agent/MultiPageAgent.ts

@@ -40,43 +40,27 @@ export class MultiPageAgent extends PageAgentCore {
 		const experimentalIncludeAllTabs = config.experimentalIncludeAllTabs ?? false
 
 		/**
+		 * Project agent status into chrome.storage. The content script polls
+		 * `isAgentRunning` + `agentHeartbeat` (eventually consistent by design).
+		 *
 		 * When the agent is in side-panel and user closed the side-panel.
 		 * There is no chance for isAgentRunning to be set false.
 		 * (unload event doesn't work well in side panel.)
 		 * (I'm trying not to use long-lived connection because the lifecycle of a sw is hard to predict.)
 		 * This heartbeat mechanism acts as a backup.
 		 */
-		let heartBeatInterval: null | number = null
+		let heartBeatInterval: number | null = null
 
 		super({
 			...config,
+			// Disabled: AbortSignal cannot cross contexts
+			experimentalScriptExecutionTool: false,
 			pageController: pageController as any,
 			customTools: customTools,
 			customSystemPrompt: systemPrompt,
 
 			onBeforeTask: async (agent) => {
 				await tabsController.init(agent.task, { includeInitialTab, experimentalIncludeAllTabs })
-
-				heartBeatInterval = window.setInterval(() => {
-					chrome.storage.local.set({
-						agentHeartbeat: Date.now(),
-					})
-				}, 1_000)
-
-				await chrome.storage.local.set({
-					isAgentRunning: true,
-				})
-			},
-
-			onAfterTask: async () => {
-				if (heartBeatInterval) {
-					window.clearInterval(heartBeatInterval)
-					heartBeatInterval = null
-				}
-
-				await chrome.storage.local.set({
-					isAgentRunning: false,
-				})
 			},
 
 			onBeforeStep: async (agent) => {
@@ -87,16 +71,28 @@ export class MultiPageAgent extends PageAgentCore {
 
 			onDispose: () => {
 				if (heartBeatInterval) {
-					window.clearInterval(heartBeatInterval)
+					clearInterval(heartBeatInterval)
 					heartBeatInterval = null
 				}
-
+				chrome.storage.local.set({ isAgentRunning: false }).catch(console.error)
-				chrome.storage.local.set({
-					isAgentRunning: false,
-				})
 
 				tabsController.dispose()
 			},
 		})
+
+		this.addEventListener('statuschange', () => {
+			const running = this.status === 'running'
+
+			if (running && !heartBeatInterval) {
+				heartBeatInterval = window.setInterval(() => {
+					void chrome.storage.local.set({ agentHeartbeat: Date.now() })
+				}, 1_000)
+			} else if (!running && heartBeatInterval) {
+				clearInterval(heartBeatInterval)
+				heartBeatInterval = null
+			}
+
+			chrome.storage.local.set({ isAgentRunning: running }).catch(console.error)
+		})
 	}
 }

packages/extension/src/agent/RemotePageController.ts

@@ -133,9 +133,7 @@ export class RemotePageController {
 		return this.remoteCallDomAction('scroll_horizontally', args)
 	}
 
-	async executeJavascript(...args: any[]): Promise<DomActionReturn> {
+	// `execute_javascript` is intentionally not implemented: AbortSignal cannot cross context
-		return this.remoteCallDomAction('execute_javascript', args)
-	}
 
 	/** @note Managed by content script via storage polling. */
 	async showMask(): Promise<void> {}

packages/extension/src/agent/TabsController.background.ts

@@ -7,6 +7,39 @@ const PREFIX = '[TabsController.background]'
 
 const debug = console.debug.bind(console, `\x1b[90m${PREFIX}\x1b[0m`)
 
+/**
+ * Resolve active tab.
+ *
+ * - `tabs.query({ active: true })` does not work in multi-window scenarios.
+ * - Extension pages (side panel, hub tab) can resolve their own windowId.
+ *   We just find the active tab within that window.
+ * - Content scripts (PAGE_AGENT_EXT) can't self-report a windowId.
+ *   Chrome populates `sender.tab` for every content-script message,
+ *   which is the tab hosting the script.
+ */
+async function resolveActiveTab(
+	payload: { windowId?: number } | undefined,
+	sender: chrome.runtime.MessageSender
+): Promise<chrome.tabs.Tab> {
+	const windowId = payload?.windowId
+
+	if (windowId != null) {
+		debug('get_active_tab: resolving via caller-reported windowId', windowId)
+		const [tab] = await chrome.tabs.query({ active: true, windowId })
+		if (!tab) throw new Error(`No active tab found in window ${windowId}.`)
+		return tab
+	}
+
+	if (sender.tab) {
+		debug('get_active_tab: resolving via sender.tab (content script)', sender.tab.id)
+		return sender.tab
+	}
+
+	throw new Error(
+		'Cannot resolve active tab: caller reported no windowId and is not a content script (no sender.tab).'
+	)
+}
+
 export function handleTabControlMessage(
 	message: { type: 'TAB_CONTROL'; action: TabAction; payload: any },
 	sender: chrome.runtime.MessageSender,
@@ -16,12 +49,11 @@ export function handleTabControlMessage(
 
 	switch (action as TabAction) {
 		case 'get_active_tab': {
-			debug('get_active_tab')
+			debug('get_active_tab', payload)
-			chrome.tabs
+			resolveActiveTab(payload, sender)
-				.query({ active: true })
+				.then((tab) => {
-				.then((tabs) => {
+					debug('get_active_tab: success', tab)
-					debug('get_active_tab: success', tabs)
+					sendResponse({ success: true, tab })
-					sendResponse({ success: true, tab: tabs[0] })
 				})
 				.catch((error) => {
 					sendResponse({ error: error instanceof Error ? error.message : String(error) })
@@ -46,7 +78,7 @@ export function handleTabControlMessage(
 		case 'open_new_tab': {
 			debug('open_new_tab', payload)
 			chrome.tabs
-				.create({ url: payload.url, active: false })
+				.create({ url: payload.url, windowId: payload.windowId, active: false })
 				.then((newTab) => {
 					debug('open_new_tab: success', newTab)
 					sendResponse({ success: true, tabId: newTab.id })

packages/extension/src/agent/TabsController.ts

@@ -15,6 +15,20 @@ function sendMessage(message: {
 	})
 }
 
+/**
+ * Resolve the window hosting this script's own context, when knowable.
+ *
+ * Extension pages (side panel, hub tab) have `chrome.windows` access and can
+ * identify their own window directly via `getCurrent()`.
+ * Content scripts have no `chrome.windows` access; they resolve `undefined`
+ * here and the background script falls back to `sender.tab` instead.
+ */
+async function getOwnWindowId(): Promise<number | undefined> {
+	if (typeof chrome.windows === 'undefined') return undefined
+	const win = await chrome.windows.getCurrent()
+	return win.id
+}
+
 /**
  * Controller for managing browser tabs.
  * - live in the agent env (extension page or content script)
@@ -42,7 +56,7 @@ export class TabsController {
 			throw new Error('TabsController already disposed')
 		}
 
-		this.currentTabId = null
+		await this.updateCurrentTabId(null)
 		this.disposed = false
 		this.port = undefined
 		this.portRetries = 0
@@ -57,6 +71,7 @@ export class TabsController {
 		const activeTabResult = await sendMessage({
 			type: 'TAB_CONTROL',
 			action: 'get_active_tab',
+			payload: { windowId: await getOwnWindowId() },
 		})
 
 		this.initialTabId = activeTabResult.tab?.id
@@ -124,7 +139,7 @@ export class TabsController {
 		const result = await sendMessage({
 			type: 'TAB_CONTROL',
 			action: 'open_new_tab',
-			payload: { url },
+			payload: { url, windowId: this.windowId },
 		})
 
 		if (!result.success) {
@@ -307,7 +322,10 @@ export class TabsController {
 
 			if (message.action === 'created') {
 				const tab = message.payload.tab as chrome.tabs.Tab
-				const shouldTrack = this.experimentalIncludeAllTabs || tab.groupId === this.tabGroupId
+				const shouldTrack =
+					tab.groupId === this.tabGroupId ||
+					// @note Never track tabs from other windows.
+					(this.experimentalIncludeAllTabs && tab.windowId === this.windowId)
 				if (shouldTrack && tab.id != null) {
 					this.addTab({ id: tab.id, isInitial: false })
 					this.switchToTab(tab.id)

packages/extension/src/agent/system_prompt.md

@@ -37,7 +37,7 @@ and system messages wrapped in <sys> tag.
 <user_request>
 USER REQUEST: This is your ultimate objective and always remains visible.
 - This has the highest priority. Make the user happy.
-- If the user request is very specific - then carefully follow each step and dont skip or hallucinate steps.
+- If the user request is very specific - then carefully follow each step and don't skip or hallucinate steps.
 - If the task is open ended you can plan yourself how to get it done.
 </user_request>
 
@@ -72,7 +72,6 @@ Strictly follow these rules while using the browser and navigating the web:
 - You can scroll by a specific number of pages using the num_pages parameter (e.g., 0.5 for half page, 2.0 for two pages).
 - All the elements that are scrollable are marked with `data-scrollable` attribute. Including the scrollable distance in every directions. You can scroll *the element* in case some area are overflowed.
 - If a captcha appears, tell user you can not solve captcha. Finish the task and ask user to solve it.
-- If expected elements are missing, try scrolling, or navigating back.
 - If the page is not fully loaded, use the `wait` action.
 - Do not repeat one action for more than 3 times unless some conditions changed.
 - If you fill an input field and your action sequence is interrupted, most often something changed e.g. suggestions popped up under the field.

packages/extension/src/agent/useAgent.ts

@@ -80,7 +80,7 @@ export function useAgent(): UseAgentResult {
 		const handleStatusChange = (e: Event) => {
 			const newStatus = agent.status as AgentStatus
 			setStatus(newStatus)
-			if (newStatus === 'idle' || newStatus === 'completed' || newStatus === 'error') {
+			if (newStatus !== 'running') {
 				setActivity(null)
 			}
 		}

packages/extension/src/components/misc.tsx

@@ -14,6 +14,7 @@ export function StatusDot({ status }: { status: AgentStatus }) {
 		running: 'bg-blue-500',
 		completed: 'bg-green-500',
 		error: 'bg-destructive',
+		stopped: 'bg-muted-foreground',
 	}[status]
 
 	const label = {
@@ -21,6 +22,7 @@ export function StatusDot({ status }: { status: AgentStatus }) {
 		running: 'Running',
 		completed: 'Done',
 		error: 'Error',
+		stopped: 'Stopped',
 	}[status]
 
 	return (

packages/extension/src/entrypoints/sidepanel/App.tsx

@@ -39,7 +39,7 @@ export default function App() {
 
 		if (
 			prev === 'running' &&
-			(status === 'completed' || status === 'error') &&
+			(status === 'completed' || status === 'error' || status === 'stopped') &&
 			history.length > 0 &&
 			currentTask
 		) {

packages/extension/src/lib/db.ts

@@ -8,7 +8,7 @@ export interface SessionRecord {
 	id: string
 	task: string
 	history: HistoricalEvent[]
-	status: 'completed' | 'error'
+	status: 'completed' | 'error' | 'stopped'
 	createdAt: number
 }
 

packages/llms/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@page-agent/llms",
-    "version": "1.8.2",
+    "version": "1.11.0",
     "type": "module",
     "main": "./src/index.ts",
     "types": "./src/index.ts",
@@ -43,6 +43,7 @@
     "homepage": "https://alibaba.github.io/page-agent/",
     "scripts": {
         "build": "vite build",
+        "test": "vitest run",
         "prepublishOnly": "node ../../scripts/pre-publish.js",
         "postpublish": "node ../../scripts/post-publish.js"
     },

packages/llms/src/OpenAIClient.test.ts

@@ -0,0 +1,369 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import * as z from 'zod/v4'
+
+import { OpenAIClient } from './OpenAIClient'
+import { InvokeError, InvokeErrorTypes } from './errors'
+import { parseLLMConfig } from './index'
+import type { LLMConfig, Tool } from './types'
+
+// ---------- Fixtures ----------
+
+function makeClient(overrides: Partial<LLMConfig> = {}) {
+	const fetchMock = vi.fn<typeof fetch>()
+	const config = parseLLMConfig({
+		baseURL: 'http://test.local/v1',
+		model: 'test-model',
+		apiKey: 'sk-test',
+		customFetch: fetchMock,
+		...overrides,
+	})
+	const client = new OpenAIClient(config)
+	return { client, fetchMock }
+}
+
+function makeTool(): Tool<{ name: string }, string> {
+	return {
+		description: 'greet',
+		inputSchema: z.object({ name: z.string() }),
+		execute: vi.fn(async (args) => `hello ${args.name}`),
+	}
+}
+
+function jsonResponse(body: unknown, status = 200): Response {
+	return new Response(JSON.stringify(body), {
+		status,
+		headers: { 'Content-Type': 'application/json' },
+	})
+}
+
+function toolCallBody(toolName: string, args: unknown, finishReason = 'tool_calls') {
+	return {
+		choices: [
+			{
+				finish_reason: finishReason,
+				message: {
+					tool_calls: [
+						{
+							id: 'call_1',
+							type: 'function',
+							function: {
+								name: toolName,
+								arguments: typeof args === 'string' ? args : JSON.stringify(args),
+							},
+						},
+					],
+				},
+			},
+		],
+		usage: { prompt_tokens: 10, completion_tokens: 5, total_tokens: 15 },
+	}
+}
+
+function abortError(message = 'aborted'): Error {
+	const err = new Error(message)
+	err.name = 'AbortError'
+	return err
+}
+
+function getSentBody(fetchMock: ReturnType<typeof vi.fn>): Record<string, unknown> {
+	const init = fetchMock.mock.calls[0][1] as RequestInit
+	return JSON.parse(init.body as string)
+}
+
+const signal = new AbortController().signal
+
+// ---------- Request construction ----------
+
+describe('OpenAIClient.invoke — request construction', () => {
+	let setup: ReturnType<typeof makeClient>
+	const tools = { greet: makeTool() }
+
+	beforeEach(() => {
+		setup = makeClient()
+		setup.fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', { name: 'world' })))
+	})
+
+	it('defaults tool_choice to "required" when no toolChoiceName is given', async () => {
+		await setup.client.invoke([], tools, signal)
+		expect(getSentBody(setup.fetchMock).tool_choice).toBe('required')
+	})
+
+	it('uses named tool_choice when toolChoiceName is given', async () => {
+		await setup.client.invoke([], tools, signal, { toolChoiceName: 'greet' })
+		expect(getSentBody(setup.fetchMock).tool_choice).toEqual({
+			type: 'function',
+			function: { name: 'greet' },
+		})
+	})
+
+	it('falls back to "required" when disableNamedToolChoice is true', async () => {
+		const { client, fetchMock } = makeClient({ disableNamedToolChoice: true })
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', { name: 'world' })))
+		await client.invoke([], tools, signal, { toolChoiceName: 'greet' })
+		expect(getSentBody(fetchMock).tool_choice).toBe('required')
+	})
+
+	it('sends Authorization header when apiKey is set', async () => {
+		await setup.client.invoke([], tools, signal)
+		const init = setup.fetchMock.mock.calls[0][1]!
+		expect((init.headers as Record<string, string>).Authorization).toBe('Bearer sk-test')
+	})
+
+	it('omits Authorization header when apiKey is empty', async () => {
+		const { client, fetchMock } = makeClient({ apiKey: '' })
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', { name: 'world' })))
+		await client.invoke([], tools, signal)
+		const init = fetchMock.mock.calls[0][1]!
+		expect((init.headers as Record<string, string>).Authorization).toBeUndefined()
+	})
+
+	it('applies transformRequestBody (in-place form, returns undefined)', async () => {
+		const { client, fetchMock } = makeClient({
+			transformRequestBody: (body) => {
+				body.custom_flag = 42
+				return undefined
+			},
+		})
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', { name: 'world' })))
+		await client.invoke([], tools, signal)
+		expect(getSentBody(fetchMock).custom_flag).toBe(42)
+	})
+
+	it('applies transformRequestBody (returning a new object)', async () => {
+		const { client, fetchMock } = makeClient({
+			transformRequestBody: () => ({ replaced: true }),
+		})
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', { name: 'world' })))
+		await client.invoke([], tools, signal)
+		expect(getSentBody(fetchMock)).toEqual({ replaced: true })
+	})
+
+	it('wraps transformRequestBody throws as CONFIG_ERROR', async () => {
+		const { client } = makeClient({
+			transformRequestBody: () => {
+				throw new Error('bad transform')
+			},
+		})
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			name: 'InvokeError',
+			type: InvokeErrorTypes.CONFIG_ERROR,
+		})
+	})
+})
+
+// ---------- Success path ----------
+
+describe('OpenAIClient.invoke — success', () => {
+	it('returns toolCall, toolResult and usage', async () => {
+		const { client, fetchMock } = makeClient()
+		const tool = makeTool()
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', { name: 'Alice' })))
+
+		const result = await client.invoke([], { greet: tool }, signal)
+
+		expect(result.toolCall).toEqual({ name: 'greet', args: { name: 'Alice' } })
+		expect(result.toolResult).toBe('hello Alice')
+		expect(result.usage).toEqual({
+			promptTokens: 10,
+			completionTokens: 5,
+			totalTokens: 15,
+			cachedTokens: undefined,
+			reasoningTokens: undefined,
+		})
+		expect(tool.execute).toHaveBeenCalledWith({ name: 'Alice' })
+	})
+
+	it('accepts finish_reason="stop" with tool calls', async () => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', { name: 'Bob' }, 'stop')))
+		const result = await client.invoke([], { greet: makeTool() }, signal)
+		expect(result.toolResult).toBe('hello Bob')
+	})
+})
+
+// ---------- HTTP errors ----------
+
+describe('OpenAIClient.invoke — HTTP errors', () => {
+	const tools = { greet: makeTool() }
+
+	it.each([
+		[401, InvokeErrorTypes.AUTH_ERROR],
+		[403, InvokeErrorTypes.AUTH_ERROR],
+		[429, InvokeErrorTypes.RATE_LIMIT],
+		[500, InvokeErrorTypes.SERVER_ERROR],
+		[502, InvokeErrorTypes.SERVER_ERROR],
+		[418, InvokeErrorTypes.UNKNOWN],
+	])('maps status %i to %s', async (status, type) => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockResolvedValue(jsonResponse({ error: { message: 'nope' } }, status))
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			name: 'InvokeError',
+			type,
+		})
+	})
+
+	it('falls back to statusText when body has no error.message', async () => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockResolvedValue(
+			new Response('not json', { status: 500, statusText: 'Internal Boom' })
+		)
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			type: InvokeErrorTypes.SERVER_ERROR,
+			message: expect.stringContaining('Internal Boom'),
+		})
+	})
+})
+
+// ---------- Response anomalies ----------
+
+describe('OpenAIClient.invoke — response anomalies', () => {
+	const tools = { greet: makeTool() }
+
+	it('throws CONTEXT_LENGTH on finish_reason="length"', async () => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockResolvedValue(
+			jsonResponse({ choices: [{ finish_reason: 'length', message: {} }] })
+		)
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			type: InvokeErrorTypes.CONTEXT_LENGTH,
+		})
+	})
+
+	it('throws CONTENT_FILTER on finish_reason="content_filter"', async () => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockResolvedValue(
+			jsonResponse({ choices: [{ finish_reason: 'content_filter', message: {} }] })
+		)
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			type: InvokeErrorTypes.CONTENT_FILTER,
+		})
+	})
+
+	it('throws INVALID_SCHEMA when there are no choices', async () => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockResolvedValue(jsonResponse({}))
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			type: InvokeErrorTypes.INVALID_SCHEMA,
+		})
+	})
+
+	it('throws NO_TOOL_CALL when message has no tool_calls', async () => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockResolvedValue(
+			jsonResponse({ choices: [{ finish_reason: 'tool_calls', message: {} }] })
+		)
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			type: InvokeErrorTypes.NO_TOOL_CALL,
+		})
+	})
+
+	it('throws INVALID_TOOL_ARGS when arguments are not valid JSON', async () => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', 'not-json{')))
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			type: InvokeErrorTypes.INVALID_TOOL_ARGS,
+			message: expect.stringContaining('JSON'),
+		})
+	})
+
+	it('throws INVALID_TOOL_ARGS when args fail Zod validation', async () => {
+		const { client, fetchMock } = makeClient()
+		// tool expects { name: string }, send { name: 123 }
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', { name: 123 })))
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			type: InvokeErrorTypes.INVALID_TOOL_ARGS,
+		})
+	})
+
+	it('throws UNKNOWN when model calls a tool that does not exist', async () => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('mystery', { name: 'x' })))
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			type: InvokeErrorTypes.UNKNOWN,
+			message: expect.stringContaining('mystery'),
+		})
+	})
+
+	it('wraps tool.execute failures as TOOL_EXECUTION_ERROR', async () => {
+		const { client, fetchMock } = makeClient()
+		const tool: Tool<{ name: string }, string> = {
+			inputSchema: z.object({ name: z.string() }),
+			execute: vi.fn(async () => {
+				throw new Error('downstream blew up')
+			}),
+		}
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', { name: 'x' })))
+		await expect(client.invoke([], { greet: tool }, signal)).rejects.toMatchObject({
+			type: InvokeErrorTypes.TOOL_EXECUTION_ERROR,
+			message: expect.stringContaining('downstream blew up'),
+		})
+	})
+})
+
+// ---------- Abort handling (the important part) ----------
+
+describe('OpenAIClient.invoke — abort', () => {
+	const tools = { greet: makeTool() }
+
+	it('throws AbortError immediately when signal is already aborted', async () => {
+		const { client, fetchMock } = makeClient()
+		const controller = new AbortController()
+		controller.abort()
+
+		await expect(client.invoke([], tools, controller.signal)).rejects.toMatchObject({
+			name: 'AbortError',
+		})
+		expect(fetchMock).not.toHaveBeenCalled()
+	})
+
+	it('propagates AbortError thrown by fetch (does NOT wrap as NETWORK_ERROR)', async () => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockRejectedValue(abortError())
+
+		const err = await client.invoke([], tools, signal).catch((e) => e)
+		expect(err).toBeInstanceOf(Error)
+		expect(err).not.toBeInstanceOf(InvokeError)
+		expect(err.name).toBe('AbortError')
+	})
+
+	it('propagates AbortError thrown by response.json() (does NOT wrap as INVALID_RESPONSE)', async () => {
+		const { client, fetchMock } = makeClient()
+		// Fake Response whose .json() rejects with AbortError mid-read
+		const fakeResponse = {
+			ok: true,
+			status: 200,
+			statusText: 'OK',
+			json: () => Promise.reject(abortError()),
+		} as unknown as Response
+		fetchMock.mockResolvedValue(fakeResponse)
+
+		const err = await client.invoke([], tools, signal).catch((e) => e)
+		expect(err).not.toBeInstanceOf(InvokeError)
+		expect(err.name).toBe('AbortError')
+	})
+
+	it('propagates AbortError thrown by tool.execute (does NOT wrap as TOOL_EXECUTION_ERROR)', async () => {
+		const { client, fetchMock } = makeClient()
+		const tool: Tool<{ name: string }, string> = {
+			inputSchema: z.object({ name: z.string() }),
+			execute: vi.fn(async () => {
+				throw abortError()
+			}),
+		}
+		fetchMock.mockResolvedValue(jsonResponse(toolCallBody('greet', { name: 'x' })))
+
+		const err = await client.invoke([], { greet: tool }, signal).catch((e) => e)
+		expect(err).not.toBeInstanceOf(InvokeError)
+		expect(err.name).toBe('AbortError')
+	})
+
+	// Sanity check: the wrappers we deliberately bypass for AbortError still work for normal errors
+	it('still wraps non-Abort fetch errors as NETWORK_ERROR', async () => {
+		const { client, fetchMock } = makeClient()
+		fetchMock.mockRejectedValue(new TypeError('ECONNREFUSED'))
+		await expect(client.invoke([], tools, signal)).rejects.toMatchObject({
+			name: 'InvokeError',
+			type: InvokeErrorTypes.NETWORK_ERROR,
+		})
+	})
+})

packages/llms/src/OpenAIClient.ts

@@ -4,17 +4,24 @@
 import * as z from 'zod/v4'
 
 import { InvokeError, InvokeErrorTypes } from './errors'
-import type { InvokeOptions, InvokeResult, LLMClient, LLMConfig, Message, Tool } from './types'
+import type {
+	InvokeOptions,
+	InvokeResult,
+	LLMClient,
+	Message,
+	ResolvedLLMConfig,
+	Tool,
+} from './types'
 import { modelPatch, zodToOpenAITool } from './utils'
 
 /**
  * Client for OpenAI compatible APIs
  */
 export class OpenAIClient implements LLMClient {
-	config: Required<LLMConfig>
+	config: ResolvedLLMConfig
 	private fetch: typeof globalThis.fetch
 
-	constructor(config: Required<LLMConfig>) {
+	constructor(config: ResolvedLLMConfig) {
 		this.config = config
 		this.fetch = config.customFetch
 	}
@@ -25,6 +32,8 @@ export class OpenAIClient implements LLMClient {
 		abortSignal?: AbortSignal,
 		options?: InvokeOptions
 	): Promise<InvokeResult> {
+		abortSignal?.throwIfAborted()
+
 		// 1. Convert tools to OpenAI format
 		const openaiTools = Object.entries(tools).map(([name, t]) => zodToOpenAITool(name, t))
 
@@ -37,14 +46,18 @@ export class OpenAIClient implements LLMClient {
 
 		const requestBody: Record<string, unknown> = {
 			model: this.config.model,
-			temperature: this.config.temperature,
 			messages,
 			tools: openaiTools,
 			parallel_tool_calls: false,
 			tool_choice: toolChoice,
 		}
+		// Only sent if the caller explicitly set it. Most new models throw if this is set.
+		if (this.config.temperature !== undefined) {
+			requestBody.temperature = this.config.temperature
+		}
+
+		modelPatch(requestBody, this.config.baseURL)
 
-		modelPatch(requestBody)
 		let transformedBody: Record<string, unknown> | undefined
 		try {
 			transformedBody = this.config.transformRequestBody(requestBody)
@@ -70,17 +83,20 @@ export class OpenAIClient implements LLMClient {
 				signal: abortSignal,
 			})
 		} catch (error: unknown) {
-			const isAbortError = (error as any)?.name === 'AbortError'
+			if ((error as any)?.name === 'AbortError') throw error
-			const errorMessage = isAbortError ? 'Network request aborted' : 'Network request failed'
+			console.error(error)
-			if (!isAbortError) console.error(error)
+			throw new InvokeError(InvokeErrorTypes.NETWORK_ERROR, 'Network request failed', error)
-			throw new InvokeError(InvokeErrorTypes.NETWORK_ERROR, errorMessage, error)
 		}
 
 		// 3. Handle HTTP errors
 		if (!response.ok) {
-			const errorData = await response.json().catch()
+			let errorData: any
-			const errorMessage =
+			try {
-				(errorData as { error?: { message?: string } }).error?.message || response.statusText
+				errorData = await response.json()
+			} catch (error) {
+				if ((error as any)?.name === 'AbortError') throw error
+			}
+			const errorMessage = errorData?.error?.message || response.statusText
 
 			if (response.status === 401 || response.status === 403) {
 				throw new InvokeError(
@@ -111,11 +127,21 @@ export class OpenAIClient implements LLMClient {
 		}
 
 		// 4. Parse and validate response
-		const data = await response.json()
+		let data: any
+		try {
+			data = await response.json()
+		} catch (error) {
+			if ((error as any)?.name === 'AbortError') throw error
+			throw new InvokeError(
+				InvokeErrorTypes.INVALID_RESPONSE,
+				'Response body is not valid JSON',
+				error
+			)
+		}
 
 		const choice = data.choices?.[0]
 		if (!choice) {
-			throw new InvokeError(InvokeErrorTypes.UNKNOWN, 'No choices in response', data)
+			throw new InvokeError(InvokeErrorTypes.INVALID_SCHEMA, 'No choices in response', data)
 		}
 
 		// Check finish_reason
@@ -140,7 +166,7 @@ export class OpenAIClient implements LLMClient {
 				)
 			default:
 				throw new InvokeError(
-					InvokeErrorTypes.UNKNOWN,
+					InvokeErrorTypes.INVALID_SCHEMA,
 					`Unexpected finish_reason: ${choice.finish_reason}`,
 					undefined,
 					data
@@ -212,11 +238,12 @@ export class OpenAIClient implements LLMClient {
 		let toolResult: unknown
 		try {
 			toolResult = await tool.execute(toolInput)
-		} catch (e) {
+		} catch (error: unknown) {
+			if ((error as any)?.name === 'AbortError') throw error
 			throw new InvokeError(
 				InvokeErrorTypes.TOOL_EXECUTION_ERROR,
-				`Tool execution failed: ${(e as Error).message}`,
+				`Tool execution failed: ${(error as Error)?.message}`,
-				e,
+				error,
 				data
 			)
 		}

packages/llms/src/constants.ts

@@ -1,3 +0,0 @@
-// Internal constants
-export const LLM_MAX_RETRIES = 2
-export const DEFAULT_TEMPERATURE = 0.7 // higher randomness helps auto-recovery

packages/llms/src/errors.ts

@@ -1,5 +1,5 @@
 /**
- * Error types and error handling for LLM invocations
+ * Error types and error handling for LLM invocations.
  */
 
 export const InvokeErrorTypes = {
@@ -10,6 +10,8 @@ export const InvokeErrorTypes = {
 	NO_TOOL_CALL: 'no_tool_call', // Model did not call tool
 	INVALID_TOOL_ARGS: 'invalid_tool_args', // Tool args don't match schema
 	TOOL_EXECUTION_ERROR: 'tool_execution_error', // Tool execution error
+	INVALID_RESPONSE: 'invalid_response', // Response body is not valid JSON
+	INVALID_SCHEMA: 'invalid_schema', // Response is valid JSON but doesn't match expected shape
 
 	UNKNOWN: 'unknown',
 
@@ -22,6 +24,18 @@ export const InvokeErrorTypes = {
 
 type InvokeErrorType = (typeof InvokeErrorTypes)[keyof typeof InvokeErrorTypes]
 
+const RETRYABLE_TYPES: readonly InvokeErrorType[] = [
+	InvokeErrorTypes.NETWORK_ERROR,
+	InvokeErrorTypes.RATE_LIMIT,
+	InvokeErrorTypes.SERVER_ERROR,
+	InvokeErrorTypes.NO_TOOL_CALL,
+	InvokeErrorTypes.INVALID_TOOL_ARGS,
+	InvokeErrorTypes.TOOL_EXECUTION_ERROR,
+	InvokeErrorTypes.INVALID_RESPONSE,
+	InvokeErrorTypes.INVALID_SCHEMA,
+	InvokeErrorTypes.UNKNOWN,
+]
+
 export class InvokeError extends Error {
 	type: InvokeErrorType
 	retryable: boolean
@@ -35,24 +49,8 @@ export class InvokeError extends Error {
 		super(message)
 		this.name = 'InvokeError'
 		this.type = type
-		this.retryable = this.isRetryable(type, rawError)
+		this.retryable = RETRYABLE_TYPES.includes(type)
 		this.rawError = rawError
 		this.rawResponse = rawResponse
 	}
-
-	private isRetryable(type: InvokeErrorType, rawError?: unknown): boolean {
-		const isAbortError = (rawError as any)?.name === 'AbortError'
-		if (isAbortError) return false
-
-		const retryableTypes: InvokeErrorType[] = [
-			InvokeErrorTypes.NETWORK_ERROR,
-			InvokeErrorTypes.RATE_LIMIT,
-			InvokeErrorTypes.SERVER_ERROR,
-			InvokeErrorTypes.NO_TOOL_CALL,
-			InvokeErrorTypes.INVALID_TOOL_ARGS,
-			InvokeErrorTypes.TOOL_EXECUTION_ERROR,
-			InvokeErrorTypes.UNKNOWN,
-		]
-		return retryableTypes.includes(type)
-	}
 }

packages/llms/src/index.test.ts

@@ -0,0 +1,114 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+
+import { InvokeError, InvokeErrorTypes, LLM } from './index'
+import type { LLMClient } from './types'
+
+function makeLLM(maxRetries = 2): LLM {
+	return new LLM({
+		baseURL: 'http://test.local/v1',
+		model: 'gpt-5',
+		maxRetries,
+	})
+}
+
+function abortError(): Error {
+	const err = new Error('aborted')
+	err.name = 'AbortError'
+	return err
+}
+
+describe('LLM.invoke retry behavior', () => {
+	let llm: LLM
+	let client: { invoke: ReturnType<typeof vi.fn> }
+	const signal = new AbortController().signal
+
+	beforeEach(() => {
+		llm = makeLLM(2)
+		client = { invoke: vi.fn() }
+		llm.client = client as unknown as LLMClient
+	})
+
+	it('returns immediately on first success', async () => {
+		client.invoke.mockResolvedValueOnce('ok')
+		const retryListener = vi.fn()
+		llm.addEventListener('retry', retryListener)
+
+		await expect(llm.invoke([], {}, signal)).resolves.toBe('ok')
+		expect(client.invoke).toHaveBeenCalledOnce()
+		expect(retryListener).not.toHaveBeenCalled()
+	})
+
+	it('retries up to maxRetries on retryable errors, then throws last error', async () => {
+		const retryable = new InvokeError(InvokeErrorTypes.NETWORK_ERROR, 'boom')
+		client.invoke
+			.mockRejectedValueOnce(retryable)
+			.mockRejectedValueOnce(retryable)
+			.mockRejectedValueOnce(retryable)
+
+		await expect(llm.invoke([], {}, signal)).rejects.toBe(retryable)
+		// 1 initial + 2 retries = 3 attempts total
+		expect(client.invoke).toHaveBeenCalledTimes(3)
+	})
+
+	it('succeeds on retry after transient failure', async () => {
+		const retryable = new InvokeError(InvokeErrorTypes.RATE_LIMIT, 'slow down')
+		client.invoke.mockRejectedValueOnce(retryable).mockResolvedValueOnce('ok')
+
+		await expect(llm.invoke([], {}, signal)).resolves.toBe('ok')
+		expect(client.invoke).toHaveBeenCalledTimes(2)
+	})
+
+	it('emits "retry" events with attempt count and lastError', async () => {
+		const err1 = new InvokeError(InvokeErrorTypes.NETWORK_ERROR, 'first')
+		const err2 = new InvokeError(InvokeErrorTypes.NETWORK_ERROR, 'second')
+		client.invoke
+			.mockRejectedValueOnce(err1)
+			.mockRejectedValueOnce(err2)
+			.mockResolvedValueOnce('ok')
+
+		const events: { attempt: number; maxAttempts: number; lastError: Error }[] = []
+		llm.addEventListener('retry', (e) => {
+			events.push((e as CustomEvent).detail)
+		})
+
+		await llm.invoke([], {}, signal)
+
+		expect(events).toEqual([
+			{ attempt: 1, maxAttempts: 2, lastError: err1 },
+			{ attempt: 2, maxAttempts: 2, lastError: err2 },
+		])
+	})
+
+	it('does not retry on AbortError, throws immediately', async () => {
+		const err = abortError()
+		client.invoke.mockRejectedValueOnce(err)
+
+		await expect(llm.invoke([], {}, signal)).rejects.toBe(err)
+		expect(client.invoke).toHaveBeenCalledOnce()
+	})
+
+	it('does not retry on non-retryable InvokeError (AUTH_ERROR)', async () => {
+		const err = new InvokeError(InvokeErrorTypes.AUTH_ERROR, 'bad token')
+		client.invoke.mockRejectedValueOnce(err)
+
+		await expect(llm.invoke([], {}, signal)).rejects.toBe(err)
+		expect(client.invoke).toHaveBeenCalledOnce()
+	})
+
+	it('does not retry on non-retryable InvokeError (CONFIG_ERROR)', async () => {
+		const err = new InvokeError(InvokeErrorTypes.CONFIG_ERROR, 'bad config')
+		client.invoke.mockRejectedValueOnce(err)
+
+		await expect(llm.invoke([], {}, signal)).rejects.toBe(err)
+		expect(client.invoke).toHaveBeenCalledOnce()
+	})
+
+	it('retries plain (non-InvokeError) errors as unknown failures', async () => {
+		// Plain errors are treated as retryable by withRetry (only InvokeError carries retryable flag)
+		const plain = new TypeError('weird')
+		client.invoke.mockRejectedValueOnce(plain).mockResolvedValueOnce('ok')
+
+		await expect(llm.invoke([], {}, signal)).resolves.toBe('ok')
+		expect(client.invoke).toHaveBeenCalledTimes(2)
+	})
+})

packages/llms/src/index.ts

@@ -1,34 +1,23 @@
 import { OpenAIClient } from './OpenAIClient'
-import { DEFAULT_TEMPERATURE, LLM_MAX_RETRIES } from './constants'
 import { InvokeError, InvokeErrorTypes } from './errors'
-import type { InvokeOptions, InvokeResult, LLMClient, LLMConfig, Message, Tool } from './types'
+import type {
+	InvokeOptions,
+	InvokeResult,
+	LLMClient,
+	LLMConfig,
+	Message,
+	ResolvedLLMConfig,
+	Tool,
+} from './types'
 
 export { InvokeError, InvokeErrorTypes }
 export type { InvokeOptions, InvokeResult, LLMClient, LLMConfig, Message, Tool }
 
-export function parseLLMConfig(config: LLMConfig): Required<LLMConfig> {
+/**
-	// Runtime validation as defensive programming (types already guarantee these)
+ * LLM module
-	if (!config.baseURL || !config.model) {
+ */
-		throw new Error(
-			'[PageAgent] LLM configuration required. Please provide: baseURL, model. ' +
-				'See: https://alibaba.github.io/page-agent/docs/features/models'
-		)
-	}
-
-	return {
-		baseURL: config.baseURL,
-		model: config.model,
-		apiKey: config.apiKey || '',
-		temperature: config.temperature ?? DEFAULT_TEMPERATURE,
-		maxRetries: config.maxRetries ?? LLM_MAX_RETRIES,
-		transformRequestBody: config.transformRequestBody ?? ((requestBody) => requestBody),
-		disableNamedToolChoice: config.disableNamedToolChoice ?? false,
-		customFetch: (config.customFetch ?? fetch).bind(globalThis), // fetch will be illegal unless bound
-	}
-}
-
 export class LLM extends EventTarget {
-	config: Required<LLMConfig>
+	config: ResolvedLLMConfig
 	client: LLMClient
 
 	constructor(config: LLMConfig) {
@@ -50,65 +39,71 @@ export class LLM extends EventTarget {
 		abortSignal: AbortSignal,
 		options?: InvokeOptions
 	): Promise<InvokeResult> {
-		return await withRetry(
+		return await withRetry(async () => this.client.invoke(messages, tools, abortSignal, options), {
-			async () => {
+			maxRetries: this.config.maxRetries,
-				// in case user aborted before invoking
+			onRetry: (attempt, lastError) => {
-				if (abortSignal.aborted) throw new Error('AbortError')
+				this.dispatchEvent(
-
+					new CustomEvent('retry', {
-				const result = await this.client.invoke(messages, tools, abortSignal, options)
+						detail: { attempt, maxAttempts: this.config.maxRetries, lastError },
-
+					})
-				return result
+				)
 			},
-			// retry settings
+		})
-			{
-				maxRetries: this.config.maxRetries,
-				onRetry: (attempt: number) => {
-					this.dispatchEvent(
-						new CustomEvent('retry', { detail: { attempt, maxAttempts: this.config.maxRetries } })
-					)
-				},
-				onError: (error: Error) => {
-					this.dispatchEvent(new CustomEvent('error', { detail: { error } }))
-				},
-			}
-		)
 	}
 }
 
+/**
+ * Retry a function until it succeeds or reaches the maximum number of retries.
+ */
 async function withRetry<T>(
 	fn: () => Promise<T>,
 	settings: {
 		maxRetries: number
-		onRetry: (attempt: number) => void
+		onRetry: (attempt: number, lastError: Error) => void
-		onError: (error: Error) => void
 	}
 ): Promise<T> {
 	let attempt = 0
-	let lastError: Error | null = null
+	while (true) {
-	while (attempt <= settings.maxRetries) {
-		if (attempt > 0) {
-			settings.onRetry(attempt)
-			await new Promise((resolve) => setTimeout(resolve, 100))
-		}
-
 		try {
 			return await fn()
 		} catch (error: unknown) {
-			// do not retry if aborted by user
+			if ((error as any)?.name === 'AbortError') throw error
-			if ((error as any)?.rawError?.name === 'AbortError') throw error
-
-			console.error(error)
-			settings.onError(error as Error)
-
-			// do not retry if error is not retryable (InvokeError)
 			if (error instanceof InvokeError && !error.retryable) throw error
-
-			lastError = error as Error
 			attempt++
+			if (attempt > settings.maxRetries) throw error
+
+			console.debug('[LLM] retryable failure, will retry:', error)
+			settings.onRetry(attempt, error as Error)
 
 			await new Promise((resolve) => setTimeout(resolve, 100))
 		}
 	}
-
+}
-	throw lastError!
+
+export function parseLLMConfig(config: LLMConfig): ResolvedLLMConfig {
+	// Runtime validation as defensive programming (types already guarantee these)
+	if (!config.baseURL || !config.model) {
+		throw new Error(
+			'[PageAgent] LLM configuration required. Please provide: baseURL, model. ' +
+				'See: https://alibaba.github.io/page-agent/docs/features/models'
+		)
+	}
+
+	if (config.temperature !== undefined) {
+		console.warn(
+			'[PageAgent] LLMConfig.temperature is deprecated and will be removed in a future version. ' +
+				'Use transformRequestBody to set it only for models you have verified accept it.'
+		)
+	}
+
+	return {
+		baseURL: config.baseURL,
+		model: config.model,
+		apiKey: config.apiKey || '',
+		temperature: config.temperature,
+		maxRetries: config.maxRetries ?? 2,
+		transformRequestBody: config.transformRequestBody ?? ((requestBody) => requestBody),
+		disableNamedToolChoice: config.disableNamedToolChoice ?? false,
+		customFetch: (config.customFetch ?? fetch).bind(globalThis), // fetch will be illegal unless bound
+	}
 }

packages/llms/src/live-models.test.ts

@@ -0,0 +1,224 @@
+/**
+ * Live compatibility test — hits real provider APIs.
+ *
+ * Purpose: verify request formatting and `modelPatch` (see `utils.ts`) work
+ * for every model below, across the providers that serve them. Not a
+ * correctness/quality eval — the tool call is trivial and forced via
+ * `toolChoiceName`, so a failure here means the request/response shape is
+ * wrong for that model, not that the model is "dumb".
+ *
+ * Tests `OpenAIClient` directly (not the `LLM` retry wrapper), so a failure
+ * always reflects the very first request/response — no retry can mask it.
+ *
+ * Each provider's tests skip (not fail) when its `TESTING_*_KEY` env var is
+ * absent, so this stays CI-safe. To actually run these, put keys in the
+ * repo-root `.env`:
+ *
+ *   TESTING_OPENROUTER_KEY=...
+ *   TESTING_DEEPSEEK_KEY=...
+ *   TESTING_ALIYUN_KEY=...
+ */
+import { config as dotenvConfig } from 'dotenv'
+import { dirname, resolve } from 'path'
+import { fileURLToPath } from 'url'
+import { describe, expect, it } from 'vitest'
+import * as z from 'zod/v4'
+
+import { OpenAIClient } from './OpenAIClient'
+import { parseLLMConfig } from './index'
+import type { Message, Tool } from './types'
+
+const __dirname = dirname(fileURLToPath(import.meta.url))
+dotenvConfig({ path: resolve(__dirname, '../../../.env'), quiet: true })
+
+const TEST_TIMEOUT = 30_000
+
+/**
+ * Mirrors `packages/website/src/pages/docs/features/models/page.tsx`.
+ * This package cannot depend on the website, so the list is duplicated here.
+ * Keep both lists in sync manually when models are added or renamed.
+ */
+const MODEL_GROUPS: Record<string, string[]> = {
+	Qwen: [
+		'qwen3.7-max',
+		'qwen3.7-plus',
+		'qwen3.6-max',
+		'qwen3.6-plus',
+		'qwen3.6-flash',
+		'qwen3.5-plus',
+		'qwen3.5-flash',
+		'qwen3-max',
+	],
+	OpenAI: [
+		'gpt-5.5',
+		'gpt-5.4',
+		'gpt-5.4-mini',
+		'gpt-5.4-nano',
+		'gpt-5.2',
+		'gpt-5.1',
+		'gpt-5',
+		'gpt-5-mini',
+		'gpt-4.1',
+		'gpt-4.1-mini',
+	],
+	DeepSeek: ['deepseek-v4-pro', 'deepseek-v4-flash', 'deepseek-3.2'],
+	Google: [
+		'gemini-3.5-flash',
+		'gemini-3.1-pro',
+		'gemini-3.1-flash-lite',
+		'gemini-2.5-pro',
+		'gemini-2.5-flash',
+	],
+	Anthropic: [
+		'claude-sonnet-5',
+		'claude-opus-4-8',
+		'claude-opus-4-7',
+		'claude-opus-4-6',
+		'claude-opus-4-5',
+		'claude-sonnet-4-5',
+		'claude-haiku-4-5',
+	],
+	MiniMax: ['MiniMax-M3', 'MiniMax-M2.7', 'MiniMax-M2.5'],
+	xAI: ['grok-4.3', 'grok-build-0.1'],
+	MoonshotAI: ['kimi-k2.7-code', 'kimi-k2.6', 'kimi-k2.5'],
+	'Z.AI': ['glm-5.2', 'glm-5.1', 'glm-5', 'glm-4.7'],
+}
+
+/**
+ * OpenRouter lists every model as `<vendor-slug>/<model-id>`, lowercase.
+ * See the commented-out entries in the repo-root `.env` for real examples,
+ * e.g. `x-ai/grok-4.1-fast`, `qwen/qwen3-coder-next`, `deepseek/deepseek-v3.2-exp`.
+ */
+const OPENROUTER_VENDOR_SLUG: Record<string, string> = {
+	Qwen: 'qwen',
+	OpenAI: 'openai',
+	DeepSeek: 'deepseek',
+	Google: 'google',
+	Anthropic: 'anthropic',
+	MiniMax: 'minimax',
+	xAI: 'x-ai',
+	MoonshotAI: 'moonshotai',
+	'Z.AI': 'z-ai',
+}
+
+/**
+ * Overrides for models whose OpenRouter id doesn't match the
+ * `<vendor-slug>/<lowercased-name>` heuristic — dated snapshots, "-preview"
+ * suffixes, "v"-prefixed versions, or dots instead of hyphens in the
+ * version number. Verified against `GET https://openrouter.ai/api/v1/models`
+ * on 2026-07-03; re-check when models are added to `MODEL_GROUPS`.
+ */
+const OPENROUTER_ID_OVERRIDES: Record<string, string> = {
+	'qwen3.6-max': 'qwen/qwen3.6-max-preview',
+	'qwen3.5-plus': 'qwen/qwen3.5-plus-20260420',
+	'qwen3.5-flash': 'qwen/qwen3.5-flash-02-23',
+	'deepseek-3.2': 'deepseek/deepseek-v3.2',
+	'gemini-3.1-pro': 'google/gemini-3.1-pro-preview',
+	'claude-opus-4-8': 'anthropic/claude-opus-4.8',
+	'claude-opus-4-7': 'anthropic/claude-opus-4.7',
+	'claude-opus-4-6': 'anthropic/claude-opus-4.6',
+	'claude-opus-4-5': 'anthropic/claude-opus-4.5',
+	'claude-sonnet-4-5': 'anthropic/claude-sonnet-4.5',
+	'claude-haiku-4-5': 'anthropic/claude-haiku-4.5',
+}
+
+/**
+ * Derive a model's OpenRouter id from its brand (a `MODEL_GROUPS` key) and
+ * native model name.
+ */
+function toOpenRouterModelId(brand: string, model: string): string {
+	if (model in OPENROUTER_ID_OVERRIDES) return OPENROUTER_ID_OVERRIDES[model]
+	const slug = OPENROUTER_VENDOR_SLUG[brand]
+	if (!slug) throw new Error(`No OpenRouter vendor slug mapped for brand "${brand}"`)
+	return `${slug}/${model.toLowerCase()}`
+}
+
+const PROVIDERS = {
+	openrouter: {
+		baseURL: 'https://openrouter.ai/api/v1',
+		apiKey: process.env.TESTING_OPENROUTER_KEY,
+	},
+	aliyun: {
+		baseURL: 'https://dashscope.aliyuncs.com/compatible-mode/v1',
+		apiKey: process.env.TESTING_ALIYUN_KEY,
+	},
+	deepseek: {
+		baseURL: 'https://api.deepseek.com',
+		apiKey: process.env.TESTING_DEEPSEEK_KEY,
+	},
+} as const
+
+const ECHO_TOOL: Tool<{ message: string }, string> = {
+	description: 'Echo back the given message in uppercase.',
+	inputSchema: z.object({ message: z.string() }),
+	execute: async ({ message }) => message.toUpperCase(),
+}
+
+const PROMPT: Message[] = [
+	{
+		role: 'user',
+		content: 'Call the "echo" tool with message set to "ping". You must call the tool.',
+	},
+]
+
+async function expectEchoToolCall(baseURL: string, apiKey: string, model: string) {
+	const client = new OpenAIClient(parseLLMConfig({ baseURL, apiKey, model }))
+	const result = await client.invoke(PROMPT, { echo: ECHO_TOOL }, new AbortController().signal, {
+		toolChoiceName: 'echo',
+	})
+	expect(result.toolResult).toBe('PING')
+}
+
+describe.concurrent('OpenRouter — all listed models', () => {
+	const { baseURL, apiKey } = PROVIDERS.openrouter
+
+	for (const [brand, models] of Object.entries(MODEL_GROUPS)) {
+		for (const model of models) {
+			const id = toOpenRouterModelId(brand, model)
+			it.skipIf(!apiKey)(
+				id,
+				async () => {
+					await expectEchoToolCall(baseURL, apiKey!, id)
+				},
+				TEST_TIMEOUT
+			)
+		}
+	}
+})
+
+// Aliyun native ids that don't match the display name in MODEL_GROUPS.
+const ALIYUN_ID_OVERRIDES: Record<string, string> = {
+	'qwen3.6-max': 'qwen3.6-max-preview',
+}
+
+describe.concurrent('Aliyun DashScope — Qwen native', () => {
+	const { baseURL, apiKey } = PROVIDERS.aliyun
+
+	for (const model of MODEL_GROUPS.Qwen) {
+		const id = ALIYUN_ID_OVERRIDES[model] ?? model
+		it.skipIf(!apiKey)(
+			id,
+			async () => {
+				await expectEchoToolCall(baseURL, apiKey!, id)
+			},
+			TEST_TIMEOUT
+		)
+	}
+})
+
+describe.concurrent('DeepSeek — native', () => {
+	const { baseURL, apiKey } = PROVIDERS.deepseek
+	// deepseek-3.2 isn't served on DeepSeek's own API (only via OpenRouter
+	// resellers) — its official API only accepts deepseek-v4-pro/-flash.
+	const nativeModels = MODEL_GROUPS.DeepSeek.filter((model) => model !== 'deepseek-3.2')
+
+	for (const model of nativeModels) {
+		it.skipIf(!apiKey)(
+			model,
+			async () => {
+				await expectEchoToolCall(baseURL, apiKey!, model)
+			},
+			TEST_TIMEOUT
+		)
+	}
+})

packages/llms/src/types.ts

@@ -92,7 +92,12 @@ export interface LLMConfig {
 	model: string
 	apiKey?: string
 
+	/**
+	 * @deprecated No longer a standard parameter; many models reject it outright.
+	 * Use `transformRequestBody` to set it only for models you've verified.
+	 */
 	temperature?: number
+
 	maxRetries?: number
 
 	/**
@@ -118,3 +123,5 @@ export interface LLMConfig {
 	 */
 	customFetch?: typeof globalThis.fetch
 }
+
+export type ResolvedLLMConfig = Required<Omit<LLMConfig, 'temperature'>> & { temperature?: number }

packages/llms/src/utils.test.ts

@@ -0,0 +1,15 @@
+import { describe, expect, it } from 'vitest'
+
+import { modelPatch, normalizeModelName } from './utils'
+
+describe('normalizeModelName', () => {
+	it.each([
+		['gpt-5.2', 'gpt-52'],
+		['gpt_5_2', 'gpt52'],
+		['GPT-52-2026-01-01', 'gpt-52-2026-01-01'],
+		['openai/gpt-5.2-chat', 'gpt-52-chat'],
+		['claude_sonnet4_5', 'claudesonnet45'],
+	])('%s -> %s', (input, expected) => {
+		expect(normalizeModelName(input)).toBe(expected)
+	})
+})

packages/llms/src/utils.ts

@@ -24,96 +24,152 @@ export function zodToOpenAITool(name: string, tool: Tool) {
 }
 
 /**
- * Patch model specific parameters
+ * Patch model specific parameters. Only patches known models.
- * @note in-place modification
+ *
+ * @purpose
+ * - Reconcile the differences in the parameter schema each model accepts.
+ * - Disable thinking/reasoning, or lower it to the minimum where a full disable is impossible.
+ * - Minimize returned tokens.
+ * - Raise temperature for known smaller models to improve auto-recovery odds.
+ * @note Honor temperature if explicitly set by the user
+ *
+ * @todo Need vendor-specific patches.
+ * Local and 3rd-party hosted models may have different schema.
  */
-export function modelPatch(body: Record<string, any>) {
+export function modelPatch(body: Record<string, any>, baseURL?: string) {
 	const model: string = body.model || ''
 	if (!model) return body
 
+	const provider = getProvider(baseURL)
+
 	const modelName = normalizeModelName(model)
 
 	if (modelName.startsWith('qwen')) {
-		debug('Applying Qwen patch: use higher temperature for auto fixing')
+		debug('Patch Qwen: disable thinking')
-		body.temperature = Math.max(body.temperature || 0, 1.0)
 		body.enable_thinking = false
+		if (body.temperature === undefined && !/max|plus/.test(modelName)) {
+			debug('Patch Qwen: raise temperature to 1.0')
+			body.temperature = 1.0
+		}
 	}
 
-	if (modelName.startsWith('claude')) {
+	if (modelName.startsWith('deepseek')) {
-		debug('Applying Claude patch: disable thinking')
+		debug('Patch DeepSeek: disable thinking, remove tool_choice')
 		body.thinking = { type: 'disabled' }
-
-		// Convert tool_choice to Claude format
-		if (body.tool_choice === 'required') {
-			// 'required' -> { type: 'any' } (must call some tool)
-			debug('Applying Claude patch: convert tool_choice "required" to { type: "any" }')
-			body.tool_choice = { type: 'any' }
-		} else if (body.tool_choice?.function?.name) {
-			// { type: 'function', function: { name: '...' } } -> { type: 'tool', name: '...' }
-			debug('Applying Claude patch: convert tool_choice format')
-			body.tool_choice = { type: 'tool', name: body.tool_choice.function.name }
-		}
-
-		// TODO: Claude naming pattern has changed
-		// needs proper handling
-		if (modelName.startsWith('claude-opus-4-7') || modelName.startsWith('claude-opus-47')) {
-			debug('Applying Claude-4.7 patch: remove temperature')
-			delete body.temperature
-		}
-	}
-
-	if (modelName.startsWith('grok')) {
-		debug('Applying Grok patch: removing tool_choice')
 		delete body.tool_choice
-		debug('Applying Grok patch: disable reasoning and thinking')
-		body.thinking = { type: 'disabled', effort: 'minimal' }
-		body.reasoning = { enabled: false, effort: 'low' }
 	}
 
 	if (modelName.startsWith('gpt')) {
-		debug('Applying GPT patch: set verbosity to low')
+		if (modelName.startsWith('gpt-5')) {
-		body.verbosity = 'low'
+			body.verbosity = 'low'
 
-		if (modelName.startsWith('gpt-52')) {
+			// gpt-5 gpt-5-mini gpt-5-nano only supports "minimal";
-			debug('Applying GPT-52 patch: disable reasoning')
+			// 5.1+ supports "none".
-			body.reasoning_effort = 'none'
+			body.reasoning_effort = /^gpt-5(-|$)/.test(modelName) ? 'minimal' : 'none'
-		} else if (modelName.startsWith('gpt-51')) {
+			debug(`Patch GPT-5: verbosity=low, reasoning_effort=${body.reasoning_effort}`)
-			debug('Applying GPT-51 patch: disable reasoning')
+		}
-			body.reasoning_effort = 'none'
+
-		} else if (modelName.startsWith('gpt-54')) {
+		if (modelName.includes('chat-latest')) {
-			debug('Applying GPT-5.4 patch: remove reasoning_effort')
+			debug('Omitting reasoning_effort and temperature for chat-latest')
-			delete body.reasoning_effort
-		} else if (modelName.startsWith('gpt-55')) {
-			debug('Applying GPT-5.4 patch: remove reasoning_effort and temperature')
 			delete body.reasoning_effort
 			delete body.temperature
-		} else if (modelName.startsWith('gpt-5-mini')) {
+		}
-			debug('Applying GPT-5-mini patch: set reasoning effort to low, temperature to 1')
+	}
-			body.reasoning_effort = 'low'
+
-			body.temperature = 1
+	if (modelName.startsWith('claude')) {
-		} else if (modelName.startsWith('gpt-5')) {
+		if (/opus|sonnet|haiku/.test(modelName)) {
-			debug('Applying GPT-5 patch: set reasoning effort to low')
+			debug('Patch Claude: disable thinking')
+			body.thinking = { type: 'disabled' }
+
+			if (provider !== 'openrouter') {
+				// Convert tool_choice to Claude format
+				if (body.tool_choice === 'required') {
+					// 'required' -> { type: 'any' } (must call some tool)
+					debug('Applying Claude patch: convert tool_choice "required" to { type: "any" }')
+					body.tool_choice = { type: 'any' }
+				} else if (body.tool_choice?.function?.name) {
+					// { type: 'function', function: { name: '...' } } -> { type: 'tool', name: '...' }
+					debug('Applying Claude patch: convert tool_choice format')
+					body.tool_choice = { type: 'tool', name: body.tool_choice.function.name }
+				}
+			}
+		} else {
+			debug('Patch Claude: reasoning_effort=low')
 			body.reasoning_effort = 'low'
+
+			// Fable and mythos can not disable adaptive thinking.
+			// Claude does not support tool_choice with extended thinking.
+			// These 2 concepts are blurred. Basically no tool_choice with thinking.
+			delete body.tool_choice
 		}
 	}
 
 	if (modelName.startsWith('gemini')) {
-		debug('Applying Gemini patch: set reasoning effort to minimal')
+		debug('Patch Gemini: reasoning_effort=low')
-		body.reasoning_effort = 'minimal'
+		body.reasoning_effort = 'low'
+		if (/^gemini-25(?!.*pro)/.test(modelName)) {
+			debug('Patch Gemini 2.5 non-Pro: reasoning_effort=none')
+			body.reasoning_effort = 'none'
+		} else if (
+			modelName.startsWith('gemini-35-flash') ||
+			modelName.startsWith('gemini-31-flash-lite') ||
+			modelName.startsWith('gemini-3-flash')
+		) {
+			debug('Patch Gemini 3.x Flash/Lite: reasoning_effort=minimal')
+			body.reasoning_effort = 'minimal'
+		}
 	}
 
-	if (modelName.startsWith('deepseek')) {
+	if (modelName.startsWith('glm')) {
-		debug('Applying DeepSeek patch: remove tool_choice')
+		debug('Patch GLM: disable thinking')
-		delete body.tool_choice
+		body.thinking = { type: 'disabled' }
+	}
+
+	if (modelName.startsWith('grok')) {
+		if (/^grok-4-?3/.test(modelName)) {
+			debug('Patch Grok 4.3: reasoning_effort=none')
+			body.reasoning_effort = 'none'
+		} else if (modelName.startsWith('grok-3-mini') || modelName.startsWith('grok-code-fast')) {
+			debug('Patch Grok mini/code: reasoning_effort=low')
+			body.reasoning_effort = 'low'
+		}
+	}
+
+	if (modelName.startsWith('kimi')) {
+		if (!modelName.includes('code')) {
+			// kimi-k2.7-code cannot disable thinking
+			debug('Patch Kimi: disable thinking')
+			body.thinking = { type: 'disabled' }
+		}
 	}
 
 	if (modelName.startsWith('minimax')) {
-		debug('Applying MiniMax patch: clamp temperature to (0, 1]')
+		debug('Patch MiniMax: remove parallel_tool_calls')
-		// MiniMax API rejects temperature = 0; clamp to a small positive value
-		body.temperature = Math.max(body.temperature || 0, 0.01)
-		if (body.temperature > 1) body.temperature = 1
-		// MiniMax does not support parallel_tool_calls
 		delete body.parallel_tool_calls
+
+		if (modelName.includes('m3')) {
+			// Only M3 can disable thinking
+			debug('Patch MiniMax: disable thinking')
+			body.thinking = { type: 'disabled' }
+		}
+	}
+
+	// provider patches
+
+	if (provider === 'openrouter') {
+		// openrouter use reasoning object instead of reasoning_effort
+
+		const reasoningEffort = body.reasoning_effort
+		const reasoningDisabled =
+			body.thinking?.type === 'disabled' ||
+			body.enable_thinking === false ||
+			reasoningEffort === 'none'
+
+		if (reasoningDisabled) {
+			body.reasoning = { enabled: false }
+		} else if (reasoningEffort) {
+			body.reasoning = { enabled: true, effort: reasoningEffort }
+		}
 	}
 
 	return body
@@ -134,7 +190,7 @@ export function modelPatch(body: Record<string, any>) {
  * They should be treated as the same model.
  * Normalize them to `gpt-52`
  */
-function normalizeModelName(modelName: string): string {
+export function normalizeModelName(modelName: string): string {
 	let normalizedName = modelName.toLowerCase()
 
 	// remove prefix before '/'
@@ -150,3 +206,15 @@ function normalizeModelName(modelName: string): string {
 
 	return normalizedName
 }
+
+export function getProvider(baseURL?: string): 'openrouter' | undefined {
+	if (!baseURL) return undefined
+	try {
+		const url = new URL(baseURL)
+		const hostname = url.hostname
+		if (hostname === 'openrouter.ai') return 'openrouter'
+		return undefined
+	} catch (e) {
+		return undefined
+	}
+}

packages/llms/tsconfig.json

@@ -3,6 +3,6 @@
     "compilerOptions": {
         "tsBuildInfoFile": "./node_modules/.tmp/tsconfig.tsbuildinfo"
     },
-    "include": ["**/*.ts"],
+    "include": ["src/**/*.ts"],
     "exclude": ["dist", "node_modules"]
 }

packages/llms/vite.config.js

@@ -13,6 +13,8 @@ export default defineConfig({
 	clearScreen: false,
 	plugins: [
 		dts({
+			include: ['src/**/*.ts'],
+			exclude: ['src/**/*.test.ts'],
 			bundleTypes: true,
 			compilerOptions: {
 				composite: true,

packages/llms/vitest.config.js

@@ -0,0 +1,10 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+	test: {
+		name: 'llms',
+		include: ['src/**/*.test.ts'],
+		// Suppress console output from passing tests; failed tests still get their logs.
+		silent: 'passed-only',
+	},
+})

packages/mcp/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@page-agent/mcp",
     "private": false,
-    "version": "1.8.2",
+    "version": "1.11.0",
     "type": "module",
     "bin": {
         "page-agent-mcp": "src/index.js"
@@ -29,7 +29,7 @@
     },
     "dependencies": {
         "@modelcontextprotocol/sdk": "^1.29.0",
-        "ws": "^8.20.0",
+        "ws": "^8.21.0",
         "zod": "^4.4.3"
     }
 }

packages/mcp/src/launcher.html

@@ -3,10 +3,7 @@
 	<head>
 		<meta charset="UTF-8" />
 		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
-		<link
+		<link rel="icon" href="https://page-agent.github.io/assets/brand/page-agent-color-64.png" />
-			rel="icon"
-			href="https://img.alicdn.com/imgextra/i1/O1CN01mRGret1QrKiu7CFJI_!!6000000002029-2-tps-64-64.png"
-		/>
 		<title>Page Agent MCP Launcher</title>
 		<style>
 			* {
@@ -145,7 +142,7 @@
 		<div class="card">
 			<img
 				class="logo"
-				src="https://img.alicdn.com/imgextra/i3/O1CN01JPT4Fj1FJTfmHfNxO_!!6000000000466-49-tps-512-512.webp"
+				src="https://page-agent.github.io/assets/brand/page-agent-color-512.webp"
 				alt="Page Agent"
 			/>
 			<div class="badge">Page Agent MCP Launcher</div>
@@ -164,7 +161,7 @@
 
 				<a class="store-btn" href="__STORE_URL__" target="_blank">
 					<img
-						src="https://img.alicdn.com/imgextra/i3/O1CN01JpW0Vo1sR3FpiZKFM_!!6000000005762-55-tps-192-192.svg"
+						src="https://page-agent.github.io/assets/third-party/chrome-web-store-192.svg"
 						alt=""
 					/>
 					<span data-i18n="install_btn">Install from Chrome Web Store</span>

packages/page-agent/package.json

@@ -1,7 +1,7 @@
 {
     "name": "page-agent",
     "private": false,
-    "version": "1.8.2",
+    "version": "1.11.0",
     "type": "module",
     "main": "./src/PageAgent.ts",
     "types": "./src/PageAgent.ts",
@@ -54,10 +54,10 @@
         "postpublish": "node ../../scripts/post-publish.js"
     },
     "dependencies": {
-        "@page-agent/core": "1.8.2",
+        "@page-agent/core": "1.11.0",
-        "@page-agent/llms": "1.8.2",
+        "@page-agent/llms": "1.11.0",
-        "@page-agent/page-controller": "1.8.2",
+        "@page-agent/page-controller": "1.11.0",
-        "@page-agent/ui": "1.8.2",
+        "@page-agent/ui": "1.11.0",
         "chalk": "^5.6.2"
     },
     "peerDependencies": {

packages/page-agent/vite.config.js

@@ -12,6 +12,8 @@ export default defineConfig({
 	clearScreen: false,
 	plugins: [
 		dts({
+			include: ['src/**/*.ts'],
+			exclude: ['src/**/*.test.ts'],
 			bundleTypes: true,
 			compilerOptions: {
 				composite: true,

packages/page-controller/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@page-agent/page-controller",
-    "version": "1.8.2",
+    "version": "1.11.0",
     "type": "module",
     "main": "./src/PageController.ts",
     "types": "./src/PageController.ts",
@@ -42,6 +42,7 @@
     "homepage": "https://alibaba.github.io/page-agent/",
     "scripts": {
         "build": "vite build",
+        "test": "vitest run",
         "prepublishOnly": "node ../../scripts/pre-publish.js",
         "postpublish": "node ../../scripts/post-publish.js"
     },

packages/page-controller/src/PageController.test.ts

@@ -0,0 +1,40 @@
+import { describe, expect, it } from 'vitest'
+
+import { PageController } from './PageController'
+
+describe('PageController', () => {
+	it('constructs and exposes the current url', async () => {
+		const controller = new PageController()
+		expect(controller).toBeInstanceOf(PageController)
+		expect(await controller.getCurrentUrl()).toBe(window.location.href)
+	})
+
+	describe('executeJavascript', () => {
+		it('runs a script and returns its result', async () => {
+			const controller = new PageController()
+			const result = await controller.executeJavascript('return 1 + 2')
+			expect(result).toMatchObject({ success: true })
+			expect(result.message).toContain('3')
+		})
+
+		it('exposes the abort signal to the script scope', async () => {
+			const controller = new PageController()
+			const controllerSignal = new AbortController()
+			controllerSignal.abort()
+
+			const result = await controller.executeJavascript(
+				'return signal.aborted',
+				controllerSignal.signal
+			)
+			expect(result).toMatchObject({ success: true })
+			expect(result.message).toContain('true')
+		})
+
+		it('reports a syntax error as a failed result', async () => {
+			const controller = new PageController()
+			const result = await controller.executeJavascript('return (')
+			expect(result.success).toBe(false)
+			expect(result.message).toContain('❌')
+		})
+	})
+})

packages/page-controller/src/PageController.ts

@@ -376,13 +376,15 @@ export class PageController extends EventTarget {
 	}
 
 	/**
-	 * Execute arbitrary JavaScript on the page
+	 * Execute arbitrary JavaScript on the page.
+	 * The optional `signal` is exposed to the script scope so cooperative code
+	 * can abort promptly when the task is stopped.
 	 */
-	async executeJavascript(script: string): Promise<ActionResult> {
+	async executeJavascript(script: string, signal?: AbortSignal): Promise<ActionResult> {
 		try {
-			// Wrap script in async function to support await
+			// Wrap script in async function to support await, exposing `signal`.
-			const asyncFunction = eval(`(async () => { ${script} })`)
+			const asyncFunction = eval(`(async (signal) => { ${script} })`)
-			const result = await asyncFunction()
+			const result = await asyncFunction(signal)
 			return {
 				success: true,
 				message: `✅ Executed JavaScript. Result: ${result}`,

packages/page-controller/src/actions.ts

@@ -208,9 +208,7 @@ export async function inputTextElement(element: HTMLElement, text: string) {
 			selection?.removeAllRanges()
 			selection?.addRange(range)
 
-			// eslint-disable-next-line @typescript-eslint/no-deprecated
 			doc.execCommand('delete', false)
-			// eslint-disable-next-line @typescript-eslint/no-deprecated
 			doc.execCommand('insertText', false, text)
 		}
 
@@ -336,11 +334,13 @@ export async function scrollVertically(scroll_amount: number, element?: HTMLElem
 
 	const dy = scroll_amount
 	const bigEnough = (el: HTMLElement) => el.clientHeight >= window.innerHeight * 0.5
-	const canScroll = (el: HTMLElement | null) =>
+	const canScroll = (el: HTMLElement | null): boolean =>
-		el &&
+		Boolean(
-		/(auto|scroll|overlay)/.test(getComputedStyle(el).overflowY) &&
+			el &&
-		el.scrollHeight > el.clientHeight &&
+			/(auto|scroll|overlay)/.test(getComputedStyle(el).overflowY) &&
-		bigEnough(el)
+			el.scrollHeight > el.clientHeight &&
+			bigEnough(el)
+		)
 
 	// @deprecated Heuristic container search.
 	// Unreliable in multi-panel layouts. Should guide LLMs to use indexed scroll for consistency.
@@ -479,11 +479,13 @@ export async function scrollHorizontally(scroll_amount: number, element?: HTMLEl
 	const dx = scroll_amount
 
 	const bigEnough = (el: HTMLElement) => el.clientWidth >= window.innerWidth * 0.5
-	const canScroll = (el: HTMLElement | null) =>
+	const canScroll = (el: HTMLElement | null): boolean =>
-		el &&
+		Boolean(
-		/(auto|scroll|overlay)/.test(getComputedStyle(el).overflowX) &&
+			el &&
-		el.scrollWidth > el.clientWidth &&
+			/(auto|scroll|overlay)/.test(getComputedStyle(el).overflowX) &&
-		bigEnough(el)
+			el.scrollWidth > el.clientWidth &&
+			bigEnough(el)
+		)
 
 	// @deprecated Same heuristic container search as scrollVertically.
 	// TODO: Remove once LLMs reliably use indexed scrolling via data-scrollable.

packages/page-controller/src/dom/dom_tree/index.js

@@ -552,8 +552,6 @@ export default (
 			scrollData: scrollData,
 		})
 
-		console.log('scrollData!!!', scrollData)
-
 		return scrollData
 	}
 
@@ -600,14 +598,12 @@ export default (
 					isAnyRectVisible = true
 
 					// Viewport check for this rect
-					if (
+					if (!(
-						!(
+						rect.bottom < -viewportExpansion ||
-							rect.bottom < -viewportExpansion ||
+						rect.top > window.innerHeight + viewportExpansion ||
-							rect.top > window.innerHeight + viewportExpansion ||
+						rect.right < -viewportExpansion ||
-							rect.right < -viewportExpansion ||
+						rect.left > window.innerWidth + viewportExpansion
-							rect.left > window.innerWidth + viewportExpansion
+					)) {
-						)
-					) {
 						isAnyRectInViewport = true
 						break // Found a visible rect in viewport, no need to check others
 					}
@@ -987,12 +983,10 @@ export default (
 				rect.height > 0 &&
 				!(
 					// Only check non-empty rects
-					(
+					rect.bottom < -viewportExpansion ||
-						rect.bottom < -viewportExpansion ||
+					rect.top > window.innerHeight + viewportExpansion ||
-						rect.top > window.innerHeight + viewportExpansion ||
+					rect.right < -viewportExpansion ||
-						rect.right < -viewportExpansion ||
+					rect.left > window.innerWidth + viewportExpansion
-						rect.left > window.innerWidth + viewportExpansion
-					)
 				)
 			) {
 				isAnyRectInViewport = true
@@ -1105,14 +1099,12 @@ export default (
 		for (const rect of rects) {
 			if (rect.width === 0 || rect.height === 0) continue // Skip empty rects
 
-			if (
+			if (!(
-				!(
+				rect.bottom < -viewportExpansion ||
-					rect.bottom < -viewportExpansion ||
+				rect.top > window.innerHeight + viewportExpansion ||
-					rect.top > window.innerHeight + viewportExpansion ||
+				rect.right < -viewportExpansion ||
-					rect.right < -viewportExpansion ||
+				rect.left > window.innerWidth + viewportExpansion
-					rect.left > window.innerWidth + viewportExpansion
+			)) {
-				)
-			) {
 				return true // Found at least one rect in the viewport
 			}
 		}

packages/page-controller/src/mask/SimulatorMask.ts

@@ -209,7 +209,6 @@ export class SimulatorMask extends EventTarget {
 
 	dispose() {
 		this.#disposed = true
-		console.log('dispose SimulatorMask')
 		this.motion?.dispose()
 		this.wrapper.remove()
 		this.dispatchEvent(new Event('dispose'))

packages/page-controller/src/mask/checkDarkMode.ts

@@ -1,6 +1,25 @@
+/**
+ * A comprehensive function to determine if the page is currently in a dark theme.
+ * Heuristic check. Only work for common patterns. Return false by default.
+ */
+export function isPageDark() {
+	try {
+		if (hasDarkModeClass()) return true
+		if (hasDarkModeDataAttribute()) return true
+		if (isColorSchemeDark()) return true
+		if (isBackgroundDark()) return true
+		if (isMainContentBackgroundDark()) return true
+		if (isTextColorLight()) return true
+
+		return false
+	} catch (error) {
+		console.warn('Error determining if page is dark:', error)
+		return false
+	}
+}
+
 /**
  * Checks for common dark mode CSS classes on the html or body elements.
- * @returns {boolean} - True if a common dark mode class is found.
  */
 function hasDarkModeClass() {
 	const DEFAULT_DARK_MODE_CLASSES = ['dark', 'dark-mode', 'theme-dark', 'night', 'night-mode']
@@ -15,57 +34,47 @@ function hasDarkModeClass() {
 		}
 	}
 
-	// Some sites use data attributes
+	return false
-	const darkThemeAttribute = htmlElement.getAttribute('data-theme')
+}
-	if (darkThemeAttribute?.toLowerCase().includes('dark')) {
+
-		return true
+/**
+ * Some UI frameworks use data attributes to indicate theme
+ */
+function hasDarkModeDataAttribute() {
+	const htmlElement = document.documentElement
+	const bodyElement = document.body || document.documentElement // can be null in some cases
+
+	const dataAttrs = ['data-theme', 'data-color-mode', 'data-bs-theme', 'data-mui-color-scheme']
+	for (const attr of dataAttrs) {
+		const bodyValue = bodyElement?.getAttribute(attr)
+		const htmlValue = htmlElement.getAttribute(attr)
+
+		if (bodyValue?.toLowerCase() === 'dark' || htmlValue?.toLowerCase() === 'dark') {
+			return true
+		}
 	}
 
 	return false
 }
 
 /**
- * Parses an RGB or RGBA color string and returns an object with r, g, b properties.
+ * Checks the CSS `color-scheme` property and `<meta name="color-scheme">` tag.
- * @param {string} colorString - e.g., "rgb(34, 34, 34)" or "rgba(0, 0, 0, 0.5)"
+ * Only "dark"/"only dark" counts as dark; "light dark" is ambiguous and ignored.
- * @returns {{r: number, g: number, b: number}|null}
  */
-function parseRgbColor(colorString: string) {
+function isColorSchemeDark() {
-	const rgbMatch = /rgba?\((\d+),\s*(\d+),\s*(\d+)/.exec(colorString)
+	// Check <meta name="color-scheme" content="dark">
-	if (!rgbMatch) {
+	const meta = document.querySelector<HTMLMetaElement>('meta[name="color-scheme"]')
-		return null // Not a valid rgb/rgba string
+	const metaContent = meta?.content.toLowerCase()
-	}
+	if (metaContent === 'dark' || metaContent === 'only dark') return true
-	return {
-		r: parseInt(rgbMatch[1]),
-		g: parseInt(rgbMatch[2]),
-		b: parseInt(rgbMatch[3]),
-	}
-}
 
-/**
+	// Check the computed color-scheme CSS property on :root
- * Determines if a color is "dark" based on its calculated luminance.
+	const rootStyle = window.getComputedStyle(document.documentElement)
- * @param {string} colorString - The CSS color string (e.g., "rgb(50, 50, 50)").
+	const colorScheme = rootStyle.getPropertyValue('color-scheme').trim().toLowerCase()
- * @param {number} threshold - A value between 0 and 255. Colors with luminance below this will be considered dark. Default is 128.
+	return colorScheme === 'dark' || colorScheme === 'only dark'
- * @returns {boolean} - True if the color is considered dark.
- */
-function isColorDark(colorString: string, threshold = 128) {
-	if (!colorString || colorString === 'transparent' || colorString.startsWith('rgba(0, 0, 0, 0)')) {
-		return false // Transparent is not dark
-	}
-
-	const rgb = parseRgbColor(colorString)
-	if (!rgb) {
-		return false // Could not parse color
-	}
-
-	// Calculate perceived luminance using the standard formula
-	const luminance = 0.299 * rgb.r + 0.587 * rgb.g + 0.114 * rgb.b
-
-	return luminance < threshold
 }
 
 /**
  * Checks the background color of the body element to determine if the page is dark.
- * @returns {boolean}
  */
 function isBackgroundDark() {
 	// We check both <html> and <body> because some pages set the color on <html>
@@ -88,28 +97,85 @@ function isBackgroundDark() {
 }
 
 /**
- * A comprehensive function to determine if the page is currently in a dark theme.
+ * Checks if the text color on the body is light, which implies a dark background.
- * It combines class checking and background color analysis.
- * @returns {boolean} - True if the page is likely dark.
  */
-export function isPageDark() {
+function isTextColorLight() {
-	try {
+	/** Luminance (0-255) above which body text is considered light */
-		// Strategy 1: Check for common dark mode classes
+	const LIGHT_TEXT_LUMINANCE = 200
-		if (hasDarkModeClass()) {
-			return true
-		}
 
-		// Strategy 2: Analyze the computed background color
+	const bodyStyle = window.getComputedStyle(document.body || document.documentElement)
-		if (isBackgroundDark()) {
+	const luminance = getLuminance(bodyStyle.color)
-			return true
-		}
 
-		// @TODO add more checks here, e.g., analyzing text color,
+	// Light text has high luminance (e.g. white text on dark bg)
-		// or checking the background of major layout elements like <main> or #app.
+	return luminance !== null && luminance > LIGHT_TEXT_LUMINANCE
+}
 
-		return false
+/**
-	} catch (error) {
+ * Checks the background color of major layout elements (#app, #root, etc.).
-		console.warn('Error determining if page is dark:', error)
+ * Many SPAs render into a container that may have its own dark background while
-		return false
+ * <body> remains transparent.
+ */
+function isMainContentBackgroundDark() {
+	const { innerWidth: vw, innerHeight: vh } = window
+	const minArea = vw * vh * 0.5
+
+	const selectors = ['#app', '#root', '#__next']
+	for (const selector of selectors) {
+		const el = document.querySelector(selector)
+		if (!el) continue
+
+		const rect = el.getBoundingClientRect()
+		if (rect.width * rect.height < minArea) continue
+
+		if (isColorDark(window.getComputedStyle(el).backgroundColor)) return true
+	}
+	return false
+}
+
+// --- utils ---
+
+/**
+ * Parses an RGB or RGBA color string and returns an object with r, g, b properties.
+ * @param {string} colorString - e.g., "rgb(34, 34, 34)" or "rgba(0, 0, 0, 0.5)"
+ * @returns {{r: number, g: number, b: number}|null}
+ */
+function parseRgbColor(colorString: string) {
+	const rgbMatch = /rgba?\((\d+),\s*(\d+),\s*(\d+)/.exec(colorString)
+	if (!rgbMatch) {
+		return null // Not a valid rgb/rgba string
+	}
+	return {
+		r: parseInt(rgbMatch[1]),
+		g: parseInt(rgbMatch[2]),
+		b: parseInt(rgbMatch[3]),
 	}
 }
+
+/**
+ * Calculates the perceived luminance (0-255) of a CSS color string.
+ * @param {string} colorString - e.g., "rgb(50, 50, 50)" or "rgba(0, 0, 0, 0.5)"
+ * @returns {number|null} - The luminance, or null if the color is transparent or unparseable.
+ */
+function getLuminance(colorString: string): number | null {
+	if (!colorString || colorString === 'transparent' || colorString.startsWith('rgba(0, 0, 0, 0)')) {
+		return null // Transparent has no meaningful luminance
+	}
+
+	const rgb = parseRgbColor(colorString)
+	if (!rgb) {
+		return null // Could not parse color
+	}
+
+	// Standard perceived luminance formula
+	return 0.299 * rgb.r + 0.587 * rgb.g + 0.114 * rgb.b
+}
+
+/**
+ * Determines if a color is "dark" based on its calculated luminance.
+ * @param {string} colorString - The CSS color string (e.g., "rgb(50, 50, 50)").
+ * @param {number} threshold - A value between 0 and 255. Colors with luminance below this will be considered dark. Default is 128.
+ */
+function isColorDark(colorString: string, threshold = 128) {
+	const luminance = getLuminance(colorString)
+	return luminance !== null && luminance < threshold
+}

packages/page-controller/vite.config.js

@@ -14,6 +14,8 @@ export default defineConfig({
 	clearScreen: false,
 	plugins: [
 		dts({
+			include: ['src/**/*.ts'],
+			exclude: ['src/**/*.test.ts'],
 			bundleTypes: true,
 			compilerOptions: {
 				composite: true,

packages/page-controller/vitest.config.js

@@ -0,0 +1,10 @@
+import { defineConfig } from 'vitest/config'
+
+export default defineConfig({
+	test: {
+		name: 'page-controller',
+		environment: 'happy-dom',
+		include: ['src/**/*.test.ts'],
+		silent: 'passed-only',
+	},
+})

packages/ui/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@page-agent/ui",
-    "version": "1.8.2",
+    "version": "1.11.0",
     "type": "module",
     "main": "./src/index.ts",
     "types": "./src/index.ts",

packages/ui/src/motion-css/createMotion.ts

@@ -1,64 +0,0 @@
-import styles from './motion.module.css'
-
-export function createMotion() {
-	const wrapper = document.createElement('div')
-	wrapper.className = styles.wrapper
-
-	{
-		const colorWrapper = document.createElement('div')
-		colorWrapper.className = styles.colorWrapper
-		wrapper.appendChild(colorWrapper)
-
-		const layerA = document.createElement('div')
-		layerA.className = styles.colorLayer + ' ' + styles.layerA
-		colorWrapper.appendChild(layerA)
-
-		const layerB = document.createElement('div')
-		layerB.className = styles.colorLayer + ' ' + styles.layerB
-		colorWrapper.appendChild(layerB)
-
-		const layerC = document.createElement('div')
-		layerC.className = styles.colorLayer + ' ' + styles.layerC
-		colorWrapper.appendChild(layerC)
-	}
-
-	{
-		const borderWrapper = document.createElement('div')
-		borderWrapper.className = styles.borderWrapper
-		wrapper.appendChild(borderWrapper)
-
-		const layerA = document.createElement('div')
-		layerA.className = styles.borderLayer + ' ' + styles.layerA
-		borderWrapper.appendChild(layerA)
-
-		const layerB = document.createElement('div')
-		layerB.className = styles.borderLayer + ' ' + styles.layerB
-		borderWrapper.appendChild(layerB)
-
-		const layerC = document.createElement('div')
-		layerC.className = styles.borderLayer + ' ' + styles.layerC
-		borderWrapper.appendChild(layerC)
-	}
-
-	function show() {
-		wrapper.classList.remove(styles.exit)
-		wrapper.classList.remove(styles.entry)
-		// Force reflow to restart animation
-		void wrapper.offsetHeight
-		wrapper.classList.add(styles.entry)
-	}
-
-	function hide() {
-		wrapper.classList.remove(styles.entry)
-		wrapper.classList.remove(styles.exit)
-		// Force reflow to restart animation
-		void wrapper.offsetHeight
-		wrapper.classList.add(styles.exit)
-	}
-
-	return {
-		element: wrapper,
-		show,
-		hide,
-	}
-}

packages/ui/src/motion-css/motion.module.css

@@ -1,397 +0,0 @@
-.wrapper {
-	position: absolute;
-	inset: 0;
-	pointer-events: none;
-
-	transform-origin: center;
-
-	--color-1: rgb(57, 182, 255);
-	--color-2: rgb(189, 69, 251);
-	--color-3: rgb(255, 87, 51);
-	--color-4: rgb(255, 214, 0);
-
-	--blend-mode: screen;
-}
-
-.colorLayer {
-	position: absolute;
-	inset: 0;
-
-	/* 变亮混合模式 */
-	/* mix-blend-mode: screen; */
-	/* mix-blend-mode: overlay; */
-	/* mix-blend-mode: multiply; */
-	mix-blend-mode: add;
-
-	/* 边框遮罩 - 中间透明，边缘不透明 */
-	mask-image: url(https://img.alicdn.com/imgextra/i2/O1CN01iW1wfX1C0ICvoPbTq_!!6000000000018-2-tps-512-512.png);
-	mask-repeat: no-repeat;
-	mask-size: calc(100% + 10px) calc(100% + 10px);
-}
-
-.borderWrapper {
-	position: absolute;
-	inset: 0;
-
-	/* filter: blur(10px); */
-}
-
-.borderLayer {
-	position: absolute;
-	inset: 0;
-
-	/* 变亮混合模式 */
-	/* mix-blend-mode: overlay; */
-	mix-blend-mode: add;
-
-	mask-image:
-		linear-gradient(
-			to right,
-			black 0px,
-			black 2px,
-			transparent 2px,
-			transparent calc(100% - 2px),
-			black calc(100% - 2px),
-			black 100%
-		),
-		linear-gradient(
-			to top,
-			black 0px,
-			black 2px,
-			transparent 2px,
-			transparent calc(100% - 2px),
-			black calc(100% - 2px),
-			black 100%
-		);
-
-	mask-composite: add;
-	mask-repeat: no-repeat;
-	mask-size: 100% 100%;
-
-	/* filter: blur(100px); */
-}
-
-.blueLayer {
-	&.colorLayer {
-		mask-position: left -5px top -5px;
-	}
-
-	&::after {
-		content: '';
-		position: absolute;
-		/* inset: 0; */
-		width: calc(max(100vw, 100vh) * 1.5);
-		height: 600px;
-		top: calc(50% - 300px);
-		left: 50%;
-		filter: blur(100px);
-		background: rgb(57, 182, 255);
-		animation: rotate-clockwise 4s linear infinite;
-		animation-delay: -3s;
-	}
-}
-
-.purpleLayer {
-	&.colorLayer {
-		mask-position: left -3px top -7px;
-	}
-
-	&::after {
-		content: '';
-		position: absolute;
-		/* inset: 0; */
-		width: calc(max(100vw, 100vh) * 1.5);
-		height: 600px;
-		top: calc(50% - 300px);
-		left: 50%;
-		filter: blur(100px);
-		background: rgb(189, 69, 251);
-		animation: rotate-clockwise 4s linear infinite;
-		animation-delay: -2s;
-	}
-}
-
-.orangeLayer {
-	/* opacity: 0.5; */
-
-	&.colorLayer {
-		mask-position: left -7px top -2px;
-	}
-
-	&::after {
-		content: '';
-		position: absolute;
-		/* inset: 0; */
-		width: calc(max(100vw, 100vh) * 1.5);
-		height: 600px;
-		top: calc(50% - 300px);
-		left: 50%;
-		filter: blur(100px);
-		background: rgb(255, 87, 51);
-		animation: rotate-counter-clockwise 3s linear infinite;
-		animation-delay: -2s;
-	}
-}
-
-.yellowLayer {
-	/* opacity: 0.5; */
-
-	&.colorLayer {
-		mask-position: left -6px top -4px;
-	}
-
-	&::after {
-		content: '';
-		position: absolute;
-		/* inset: 0; */
-		width: calc(max(100vw, 100vh) * 1.5);
-		height: 600px;
-		top: calc(50% - 300px);
-		left: 50%;
-		filter: blur(100px);
-		background: rgb(255, 214, 0);
-		animation: rotate-counter-clockwise 4s linear infinite;
-		animation-delay: -1s;
-	}
-}
-
-/* 旋转动画 */
-@keyframes rotate-clockwise {
-	0% {
-		transform: translateX(-50%) rotate(0deg);
-	}
-	100% {
-		transform: translateX(-50%) rotate(360deg);
-	}
-}
-
-@keyframes rotate-counter-clockwise {
-	0% {
-		transform: translateX(-50%) rotate(0deg);
-	}
-	100% {
-		transform: translateX(-50%) rotate(-360deg);
-	}
-}
-
-@keyframes wrapper-entry {
-	from {
-		transform: scale(1.1);
-	}
-	to {
-		transform: scale(1);
-	}
-}
-
-/* 
-rgb(57, 182, 255)
-rgb(189, 69, 251)
-rgb(255, 87, 51)
-rgb(255, 214, 0)
-*/
-
-@keyframes mask-running {
-	from {
-		transform: translateX(0%);
-	}
-	to {
-		transform: translateX(100%);
-	}
-}
-
-@keyframes mask-running-reverse {
-	from {
-		transform: translateX(100%);
-	}
-	to {
-		transform: translateX(0%);
-	}
-}
-
-.colorWrapper {
-	position: absolute;
-	inset: 0;
-
-	.colorLayer {
-		position: absolute;
-		inset: 0;
-
-		mix-blend-mode: var(--blend-mode);
-
-		/* 边框遮罩 - 中间透明，边缘不透明 */
-		mask-image: url(https://img.alicdn.com/imgextra/i2/O1CN01iW1wfX1C0ICvoPbTq_!!6000000000018-2-tps-512-512.png);
-		mask-repeat: no-repeat;
-		mask-size: 100% 100%;
-	}
-}
-
-.borderWrapper {
-	position: absolute;
-	inset: 0;
-
-	--blend-mode: lighten;
-
-	.borderLayer {
-		position: absolute;
-		inset: 0;
-
-		mix-blend-mode: var(--blend-mode);
-
-		mask-border: url(https://img.alicdn.com/imgextra/i3/O1CN01bFjRug1yssyWEUbKL_!!6000000006635-2-tps-256-256.png)
-			25;
-		-webkit-mask-box-image: url(https://img.alicdn.com/imgextra/i3/O1CN01bFjRug1yssyWEUbKL_!!6000000006635-2-tps-256-256.png)
-			25;
-
-		mask-repeat: no-repeat;
-		mask-size: 100% 100%;
-
-		background-color: var(--color-2);
-	}
-}
-
-.entry .colorWrapper,
-.entry .borderWrapper {
-	animation: wrapper-entry 0.8s ease-in-out forwards;
-}
-
-.exit .colorWrapper,
-.exit .borderWrapper {
-	animation: wrapper-entry 0.8s ease-in-out reverse forwards;
-}
-
-.layerA {
-	position: absolute;
-	inset: 0;
-
-	&::before {
-		mix-blend-mode: var(--blend-mode);
-		content: '';
-		display: block;
-		position: absolute;
-		width: 100%;
-		height: 100%;
-		left: -100%;
-		top: 0;
-		background-image: linear-gradient(
-			to right bottom,
-			transparent,
-			var(--color-1),
-			transparent,
-			var(--color-1),
-			transparent
-		);
-		animation: mask-running 2s linear infinite;
-	}
-
-	&::after {
-		mix-blend-mode: var(--blend-mode);
-		content: '';
-		display: block;
-		position: absolute;
-		width: 100%;
-		height: 100%;
-		left: 0;
-		top: 0;
-		background-image: linear-gradient(
-			to right bottom,
-			transparent,
-			var(--color-1),
-			transparent,
-			var(--color-1),
-			transparent
-		);
-		animation: mask-running 2s linear infinite;
-	}
-}
-
-.layerB {
-	position: absolute;
-	inset: 0;
-
-	&::before {
-		mix-blend-mode: var(--blend-mode);
-		content: '';
-		display: block;
-		position: absolute;
-		width: 100%;
-		height: 100%;
-		left: -100%;
-		top: 0;
-		background: linear-gradient(
-			to right top,
-			transparent,
-			var(--color-2),
-			transparent,
-			var(--color-2),
-			transparent
-		);
-		animation: mask-running-reverse 3s linear infinite;
-	}
-
-	&::after {
-		mix-blend-mode: var(--blend-mode);
-		content: '';
-		display: block;
-		position: absolute;
-		width: 100%;
-		height: 100%;
-		left: 0;
-		top: 0;
-		background: linear-gradient(
-			to right top,
-			transparent,
-			var(--color-2),
-			transparent,
-			var(--color-2),
-			transparent
-		);
-		animation: mask-running-reverse 3s linear infinite;
-	}
-}
-
-.layerC {
-	position: absolute;
-	inset: 0;
-
-	opacity: 0.5;
-
-	&::before {
-		mix-blend-mode: var(--blend-mode);
-		content: '';
-		display: block;
-		position: absolute;
-		width: 100%;
-		height: 100%;
-		left: -100%;
-		top: 0;
-		background: linear-gradient(
-			to right top,
-			transparent,
-			var(--color-3),
-			transparent,
-			var(--color-3),
-			transparent
-		);
-		animation: mask-running 1s linear infinite;
-	}
-
-	&::after {
-		mix-blend-mode: var(--blend-mode);
-		content: '';
-		display: block;
-		position: absolute;
-		width: 100%;
-		height: 100%;
-		left: 0;
-		top: 0;
-		background: linear-gradient(
-			to right top,
-			transparent,
-			var(--color-3),
-			transparent,
-			var(--color-3),
-			transparent
-		);
-		animation: mask-running 1s linear infinite;
-	}
-}

packages/ui/src/motion-css/readme

@@ -1,5 +0,0 @@
-This is the CSS implementation of ai-motion.
-
-Easy to use but Terrible performance. Causing full screen glitching in some browsers.
-
-Use it only in a small area.

packages/ui/src/panel/Panel.ts

@@ -68,7 +68,7 @@ export class Panel {
 		this.#i18n = new I18n(config.language ?? 'en-US')
 
 		// Set up askUser callback on agent
-		this.#agent.onAskUser = (question) => this.#askUser(question)
+		this.#agent.onAskUser = (question, options) => this.#askUser(question, options?.signal)
 
 		// Create UI elements
 		this.#wrapper = this.#createWrapper()
@@ -100,10 +100,10 @@ export class Panel {
 	#handleStatusChange(): void {
 		const status = this.#agent.status
 
-		// Map agent status to UI indicator type
+		// Map agent status to UI indicator. A `completed` run whose result reports
-		const indicatorType =
+		// failure shows as error; other statuses map to their own indicator.
-			status === 'running' ? 'thinking' : status === 'idle' ? 'thinking' : status
+		const failed = status === 'completed' && this.#agent.lastResult?.success === false
-		this.#updateStatusIndicator(indicatorType)
+		this.#updateStatusIndicator(failed ? 'error' : status)
 
 		// Morph action button: running = stop (■), not running = close (X)
 		if (status === 'running') {
@@ -121,7 +121,7 @@ export class Panel {
 		}
 
 		// Handle completion
-		if (status === 'completed' || status === 'error') {
+		if (status === 'completed' || status === 'error' || status === 'stopped') {
 			if (!this.#isExpanded) {
 				this.#expand()
 			}
@@ -169,10 +169,12 @@ export class Panel {
 	}
 
 	/**
-	 * Ask for user input (internal, called by agent via onAskUser)
+	 * Ask for user input (internal, called by agent via onAskUser).
+	 * Rejects when `signal` aborts (task stopped or disposed), cleaning up the
+	 * question card and pending state so the agent loop can settle.
 	 */
-	#askUser(question: string): Promise<string> {
+	#askUser(question: string, signal?: AbortSignal): Promise<string> {
-		return new Promise((resolve) => {
+		return new Promise((resolve, reject) => {
 			// Set `waiting for user answer` state
 			this.#isWaitingForUserAnswer = true
 			this.#userAnswerResolver = resolve
@@ -195,6 +197,27 @@ export class Panel {
 			this.#scrollToBottom()
 
 			this.#showInputArea(this.#i18n.t('ui.panel.userAnswerPrompt'))
+
+			signal?.addEventListener(
+				'abort',
+				() => {
+					this.#removeTempCards()
+					this.#isWaitingForUserAnswer = false
+					this.#userAnswerResolver = null
+					// reason is a DOMException AbortError (abort() takes no args).
+					reject(signal.reason as DOMException)
+				},
+				{ once: true }
+			)
+		})
+	}
+
+	/** Remove temporary question cards (only direct children for safety) */
+	#removeTempCards(): void {
+		Array.from(this.#historySection.children).forEach((child) => {
+			if (child.getAttribute('data-temp-card') === 'true') {
+				child.remove()
+			}
 		})
 	}
 
@@ -307,12 +330,7 @@ export class Panel {
 	 * Handle user answer
 	 */
 	#handleUserAnswer(input: string): void {
-		// Remove temporary question cards (only direct children for safety)
+		this.#removeTempCards()
-		Array.from(this.#historySection.children).forEach((child) => {
-			if (child.getAttribute('data-temp-card') === 'true') {
-				child.remove()
-			}
-		})
 
 		// Reset state
 		this.#isWaitingForUserAnswer = false
@@ -358,7 +376,7 @@ export class Panel {
 		}
 
 		const status = this.#agent.status
-		const isTaskEnded = status === 'completed' || status === 'error'
+		const isTaskEnded = status === 'completed' || status === 'error' || status === 'stopped'
 
 		// Only show input area after task completion if configured to do so
 		if (isTaskEnded) {
@@ -541,13 +559,23 @@ export class Panel {
 	}
 
 	#updateStatusIndicator(
-		type: 'thinking' | 'executing' | 'executed' | 'retrying' | 'completed' | 'error'
+		type:
+			| 'idle'
+			| 'running'
+			| 'thinking'
+			| 'executing'
+			| 'executed'
+			| 'retrying'
+			| 'completed'
+			| 'error'
+			| 'stopped'
 	): void {
-		// Clear all status classes
+		// `running` animates like thinking; `idle`/`stopped` use the neutral base.
+		const variant = type === 'running' ? 'thinking' : type
 		this.#indicator.className = styles.indicator
-
+		if (variant !== 'idle' && variant !== 'stopped') {
-		// Add corresponding status class
+			this.#indicator.classList.add(styles[variant])
-		this.#indicator.classList.add(styles[type])
+		}
 	}
 
 	#scrollToBottom(): void {

packages/ui/src/panel/types.ts

@@ -22,14 +22,17 @@ export type AgentActivity =
  * This enables decoupling and allows any agent implementation to work with Panel.
  *
  * Events:
- * - 'statuschange': Agent status changed (idle/running/completed/error)
+ * - 'statuschange': Agent status changed
  * - 'historychange': Historical events updated (persisted)
  * - 'activity': Transient activity for immediate UI feedback (thinking/executing/etc)
  * - 'dispose': Agent is being disposed
  */
 export interface PanelAgentAdapter extends EventTarget {
 	/** Current agent status */
-	readonly status: 'idle' | 'running' | 'completed' | 'error'
+	readonly status: 'idle' | 'running' | 'completed' | 'error' | 'stopped'
+
+	/** Result of the most recent run, or `null` before the first run completes */
+	readonly lastResult: { success: boolean } | null
 
 	/** History of agent events */
 	readonly history: readonly {
@@ -60,16 +63,18 @@ export interface PanelAgentAdapter extends EventTarget {
 	readonly task: string
 
 	/**
-	 * Callback for when agent needs user input.
+	 * Called when the agent needs to ask the user questions.
+	 * If unset, the `ask_user` tool will be disabled.
 	 * Panel will set this to handle user questions via its UI.
+	 * The optional `signal` aborts when the task is stopped or disposed.
 	 */
-	onAskUser?: (question: string) => Promise<string>
+	onAskUser?: (question: string, options?: { signal: AbortSignal }) => Promise<string>
 
 	/** Execute a task */
 	execute(task: string): Promise<unknown>
 
 	/** Stop the current task (agent remains reusable) */
-	stop(): void
+	stop(): Promise<void>
 
 	/** Dispose the agent (terminal, cannot be reused) */
 	dispose(): void

packages/ui/vite.config.js

@@ -14,6 +14,8 @@ export default defineConfig({
 	clearScreen: false,
 	plugins: [
 		dts({
+			include: ['src/**/*.ts'],
+			exclude: ['src/**/*.test.ts'],
 			bundleTypes: true,
 			compilerOptions: {
 				composite: true,

packages/website/index.html

@@ -4,8 +4,8 @@
 		<meta charset="UTF-8" />
 		<link
 			rel="icon"
-			type="image/svg+xml"
+			type="image/webp"
-			href="https://img.alicdn.com/imgextra/i2/O1CN012eGDRI1X6nnMt9clU_!!6000000002875-49-tps-64-64.webp"
+			href="https://page-agent.github.io/assets/brand/page-agent-color-64.webp"
 		/>
 		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
 		<title>PageAgent - The GUI Agent Living in Your Webpage</title>
@@ -19,7 +19,7 @@
 		/>
 		<meta
 			property="og:image"
-			content="https://img.alicdn.com/imgextra/i3/O1CN01JPT4Fj1FJTfmHfNxO_!!6000000000466-49-tps-512-512.webp"
+			content="https://page-agent.github.io/assets/brand/page-agent-color-512.webp"
 		/>
 		<meta property="og:url" content="https://alibaba.github.io/page-agent" />
 		<meta property="og:type" content="website" />
@@ -33,6 +33,7 @@
 		<meta property="og:locale:alternate" content="zh_CN" />
 
 		<!-- Google tag (gtag.js) -->
+		<!-- cspell:disable -->
 		<script async src="https://www.googletagmanager.com/gtag/js?id=G-HCGRJTN3HM"></script>
 		<script>
 			window.dataLayer = window.dataLayer || []
@@ -43,6 +44,7 @@
 
 			gtag('config', 'G-HCGRJTN3HM')
 		</script>
+		<!-- cspell:enable -->
 	</head>
 	<body>
 		<div id="root">

packages/website/package.json

@@ -1,7 +1,7 @@
 {
     "name": "@page-agent/website",
     "private": true,
-    "version": "1.8.2",
+    "version": "1.11.0",
     "type": "module",
     "scripts": {
         "dev": "vite --host 0.0.0.0",
@@ -10,25 +10,25 @@
     },
     "devDependencies": {
         "@radix-ui/react-icons": "^1.3.2",
-        "@radix-ui/react-separator": "^1.1.8",
+        "@radix-ui/react-separator": "^1.1.11",
-        "@radix-ui/react-slot": "^1.2.4",
+        "@radix-ui/react-slot": "^1.3.0",
-        "@radix-ui/react-switch": "^1.2.6",
+        "@radix-ui/react-switch": "^1.3.2",
-        "@radix-ui/react-tooltip": "^1.2.8",
+        "@radix-ui/react-tooltip": "^1.2.11",
-        "@types/react": "^19.2.14",
+        "@types/react": "^19.2.17",
         "@types/react-dom": "^19.2.3",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
-        "lucide-react": "^1.14.0",
+        "lucide-react": "^1.22.0",
-        "motion": "^12.38.0",
+        "motion": "^12.42.2",
         "next-themes": "^0.4.6",
-        "react": "^19.2.6",
+        "react": "^19.2.7",
-        "react-dom": "^19.2.6",
+        "react-dom": "^19.2.7",
         "rough-notation": "^0.5.1",
-        "simple-icons": "^16.19.0",
+        "simple-icons": "^16.24.1",
         "sonner": "^2.0.7",
         "tailwind-merge": "^3.6.0",
-        "tailwindcss": "^4.3.0",
+        "tailwindcss": "^4.3.2",
         "tw-animate-css": "^1.4.0",
-        "wouter": "^3.9.0"
+        "wouter": "^3.10.0"
     }
 }

packages/website/src/components/Header.tsx

@@ -31,7 +31,7 @@ export default function Header() {
 							onClick={() => setMobileMenuOpen(false)}
 						>
 							<img
-								src="https://img.alicdn.com/imgextra/i2/O1CN01HB8ylu1uozANEMZw2_!!6000000006085-49-tps-128-128.webp"
+								src="https://page-agent.github.io/assets/brand/page-agent-color-128.webp"
 								alt="PageAgent Logo"
 								className="w-10 h-10 rounded-xl group-hover:scale-110 transition-transform duration-200"
 							/>

packages/website/src/constants.ts

@@ -1,8 +1,8 @@
 // Demo build (auto-init with demo LLM, for quick testing)
 export const CDN_DEMO_URL =
-	'https://cdn.jsdelivr.net/npm/page-agent@1.8.2/dist/iife/page-agent.demo.js'
+	'https://cdn.jsdelivr.net/npm/page-agent@1.11.0/dist/iife/page-agent.demo.js'
 export const CDN_DEMO_CN_URL =
-	'https://registry.npmmirror.com/page-agent/1.8.2/files/dist/iife/page-agent.demo.js'
+	'https://registry.npmmirror.com/page-agent/1.11.0/files/dist/iife/page-agent.demo.js'
 
 // Demo LLM for website testing (homepage quick trial uses flash)
 export const DEMO_MODEL = 'qwen3.5-flash'

packages/website/src/hooks/useGitHubStars.ts

@@ -9,13 +9,15 @@ export function useGitHubStars() {
 
 	useEffect(() => {
 		if (cached !== null) return
-		fetch(STATS_URL)
+		const controller = new AbortController()
+		fetch(STATS_URL, { signal: controller.signal })
 			.then((r) => r.json())
 			.then((data) => {
 				cached = data.stargazers_count ?? null
 				setStars(cached)
 			})
 			.catch(() => {})
+		return () => controller.abort()
 	}, [])
 
 	return stars

packages/website/src/pages/docs/Layout.tsx

@@ -22,7 +22,8 @@ interface NavSection {
 
 export default function DocsLayout({ children }: DocsLayoutProps) {
 	const { isZh } = useLanguage()
-	const [location] = useLocation()
+	const [rawLocation] = useLocation()
+	const location = rawLocation.replace(/\/+$/, '')
 
 	const navigationSections: NavSection[] = [
 		{

packages/website/src/pages/docs/advanced/custom-ui/page.tsx

@@ -128,8 +128,8 @@ export default function CustomUIDocs() {
 							name: 'statuschange',
 							type: 'Event',
 							description: isZh
-								? 'Agent 状态变化 (idle → running → completed/error)'
+								? 'Agent 状态变化 (idle → running → completed/error/stopped)'
-								: 'Agent status changes (idle → running → completed/error)',
+								: 'Agent status changes (idle → running → completed/error/stopped)',
 						},
 						{
 							name: 'historychange',
@@ -257,7 +257,8 @@ const root = createRoot(document.getElementById('my-ui')!)
 root.render(<MyAgentUI agent={agent} />)
 
 // 4. Handle user input (optional)
-agent.onAskUser = async (question) => window.prompt(question) || ''
+//    options.signal aborts when the task is stopped or disposed
+agent.onAskUser = async (question, options) => window.prompt(question) || ''
 
 // 5. Execute task
 await agent.execute('Fill the form with test data')

packages/website/src/pages/docs/advanced/page-agent-core/page.tsx

@@ -143,13 +143,6 @@ const result = await agent.execute('Fill in the form with test data')`}
 							required: false,
 							description: 'LLM AK',
 						},
-						{
-							name: 'temperature',
-							type: 'number',
-							description: isZh
-								? '模型温度参数，控制输出随机性'
-								: 'Model temperature, controls output randomness',
-						},
 						{
 							name: 'maxRetries',
 							type: 'number',
@@ -281,8 +274,8 @@ const result = await agent.execute('Fill in the form with test data')`}
 				<div className="bg-amber-50 dark:bg-amber-900/20 border border-amber-200 dark:border-amber-800 rounded-lg p-4 mb-4">
 					<p className="text-amber-800 dark:text-amber-200 text-sm">
 						{isZh
-							? '这些接口高度实验性，可能在未来版本中发生变化。'
+							? '这些接口高度实验性，可能在未来版本中发生变化。钩子中抛出的错误会使任务失败并从 execute() 抛出；如不希望影响任务，请在钩子内部自行捕获。'
-							: 'These APIs are highly experimental and may change in future versions. '}
+							: 'These APIs are highly experimental and may change in future versions. Errors thrown from hooks fail the run and propagate from execute(); catch errors inside the hook if the task should not be affected.'}
 					</p>
 				</div>
 				<APIReference
@@ -325,7 +318,7 @@ const result = await agent.execute('Fill in the form with test data')`}
 					properties={[
 						{
 							name: 'status',
-							type: "'idle' | 'running' | 'completed' | 'error'",
+							type: "'idle' | 'running' | 'completed' | 'error' | 'stopped'",
 							description: isZh ? '当前 Agent 执行状态' : 'Current agent execution status',
 						},
 						{
@@ -354,10 +347,10 @@ const result = await agent.execute('Fill in the form with test data')`}
 						},
 						{
 							name: 'onAskUser',
-							type: '(question: string) => Promise<string>',
+							type: '(question: string, options?: { signal: AbortSignal }) => Promise<string>',
 							description: isZh
-								? 'Agent 需要用户输入时的回调。未设置则禁用 ask_user 工具。'
+								? '当 agent 需要向用户提问时调用。未设置则禁用 `ask_user` 工具。实现应在 options.signal 触发 abort 时 reject promise。'
-								: 'Callback when agent needs user input. If not set, ask_user tool is disabled.',
+								: 'Called when the agent needs to ask the user questions. If unset, the `ask_user` tool will be disabled. Implementations should reject the promise when options.signal aborts.',
 						},
 					]}
 				/>
@@ -373,15 +366,15 @@ const result = await agent.execute('Fill in the form with test data')`}
 							name: 'execute(task)',
 							type: 'Promise<ExecutionResult>',
 							description: isZh
-								? '执行任务并返回结果。包含 success、data 和 history 字段。'
+								? '执行任务并返回结果（包含 success、data 和 history 字段）。若已有任务在运行则抛出错误——不支持并发执行。'
-								: 'Execute a task and return result. Contains success, data, and history fields.',
+								: 'Execute a task and return result (contains success, data, and history fields). Throws if a task is already running — concurrent execution is not supported.',
 						},
 						{
 							name: 'stop()',
-							type: 'void',
+							type: 'Promise<void>',
 							description: isZh
-								? '停止当前任务。Agent 仍可复用。'
+								? '停止当前任务，并在任务完全结束后 resolve。Agent 仍可复用。'
-								: 'Stop the current task. Agent remains reusable.',
+								: 'Stop the current task; resolves once the run has fully settled. Agent remains reusable.',
 						},
 						{
 							name: 'dispose()',
@@ -415,8 +408,8 @@ const result = await agent.execute('Fill in the form with test data')`}
 							name: 'statuschange',
 							type: 'Event',
 							description: isZh
-								? 'Agent 状态变化时触发 (idle → running → completed/error)'
+								? 'Agent 状态变化时触发 (idle → running → completed/error/stopped)'
-								: 'Fired when agent status changes (idle → running → completed/error)',
+								: 'Fired when agent status changes (idle → running → completed/error/stopped)',
 						},
 						{
 							name: 'historychange',

packages/website/src/pages/docs/features/custom-tools/page.tsx

@@ -38,8 +38,8 @@ import { z } from 'zod/v4'`}
 					</Heading>
 					<p className="text-gray-600 dark:text-gray-300 mb-4">
 						{isZh
-							? '使用 tool() 辅助函数定义自定义工具，每个工具包含 description、inputSchema 和 execute 三个属性。'
+							? '使用 tool() 辅助函数定义自定义工具，每个工具包含 description、inputSchema 和 execute 三个属性。异步工具必须 honor ctx.signal。'
-							: 'Use the tool() helper to define custom tools with description, inputSchema, and execute.'}
+							: 'Use the tool() helper to define custom tools with description, inputSchema, and execute. Async tools must honor ctx.signal.'}
 					</p>
 
 					<CodeEditor
@@ -56,10 +56,11 @@ const pageAgent = new PageAgent({
         productId: z.string(),
         quantity: z.number().min(1).default(1),
       }),
-      execute: async function (input) {
+      execute: async function (input, { signal }) {
         await fetch('/api/cart', {
           method: 'POST',
           body: JSON.stringify(input),
+          signal, // honor cancellation
         })
         return \`Added \${input.quantity}x \${input.productId} to cart.\`
       },
@@ -72,9 +73,10 @@ const pageAgent = new PageAgent({
         query: z.string(),
         limit: z.number().max(10).default(3),
       }),
-      execute: async function (input) {
+      execute: async function (input, { signal }) {
         const res = await fetch(
-          \`/api/kb?q=\${encodeURIComponent(input.query)}&limit=\${input.limit}\`
+          \`/api/kb?q=\${encodeURIComponent(input.query)}&limit=\${input.limit}\`,
+          { signal }
         )
         const articles = await res.json()
         return JSON.stringify(articles)

packages/website/src/pages/docs/features/models/page.tsx

@@ -6,10 +6,10 @@ import { Heading } from '@/components/Heading'
 import { useLanguage } from '@/i18n/context'
 
 const BASELINE = new Set([
-	'gpt-5.1',
 	'gpt-5.4-mini',
-	'claude-haiku-4.5',
+	'gpt-5.4-nano',
-	'gemini-3.1-flash-lite',
+	'claude-haiku-4-5',
+	'gemini-3.5-flash',
 	'deepseek-v4-flash',
 	'qwen3.5-plus',
 	'qwen3.5-flash',
@@ -18,14 +18,15 @@ const BASELINE = new Set([
 // Models grouped by brand, newest first
 const MODEL_GROUPS: Record<string, string[]> = {
 	Qwen: [
+		'qwen3.7-max',
+		'qwen3.7-plus',
 		'qwen3.6-max',
 		'qwen3.6-plus',
 		'qwen3.6-flash',
 		'qwen3.5-plus',
 		'qwen3.5-flash',
-		'qwen3-coder-next',
+		'qwen3-max',
-		'qwen-3-max',
+		// 'qwen3-coder-next', // low success rate
-		'qwen-3-plus',
 	],
 	OpenAI: [
 		'gpt-5.5',
@@ -40,19 +41,31 @@ const MODEL_GROUPS: Record<string, string[]> = {
 		'gpt-4.1-mini',
 	],
 	DeepSeek: ['deepseek-v4-pro', 'deepseek-v4-flash', 'deepseek-3.2'],
-	Google: ['gemini-3.1-flash-lite', 'gemini-3-pro', 'gemini-3-flash', 'gemini-2.5'],
+	Google: [
-	Anthropic: [
+		'gemini-3.5-flash',
-		'claude-opus-4.7',
+		'gemini-3.1-pro',
-		'claude-opus-4.6',
+		'gemini-3.1-flash-lite',
-		'claude-opus-4.5',
+		'gemini-2.5-pro',
-		'claude-sonnet-4.5',
+		'gemini-2.5-flash',
-		'claude-haiku-4.5',
-		'claude-sonnet-3.5',
 	],
-	MiniMax: ['MiniMax-M2.7', 'MiniMax-M2.7-highspeed', 'MiniMax-M2.5', 'MiniMax-M2.5-highspeed'],
+	Anthropic: [
-	xAI: ['grok-4.1-fast', 'grok-4', 'grok-code-fast'],
+		'claude-sonnet-5',
-	MoonshotAI: ['kimi-k2.5'],
+		'claude-fable-5',
-	'Z.AI': ['glm-5', 'glm-4.7'],
+		'claude-opus-4-8',
+		'claude-opus-4-7',
+		'claude-opus-4-6',
+		'claude-opus-4-5',
+		'claude-sonnet-4-5',
+		'claude-haiku-4-5',
+	],
+	MiniMax: [
+		// 'MiniMax-M3', low success rate
+		'MiniMax-M2.7',
+		'MiniMax-M2.5',
+	],
+	xAI: ['grok-4.3', 'grok-build-0.1'],
+	MoonshotAI: ['kimi-k2.7-code', 'kimi-k2.6', 'kimi-k2.5'],
+	'Z.AI': ['glm-5.2', 'glm-5.1', 'glm-5', 'glm-4.7'],
 }
 
 const ModelBadge = ({ model, baseline }: { model: string; baseline?: boolean }) => (
@@ -82,7 +95,7 @@ export default function Models() {
 
 			<section className="mb-10">
 				<Heading id="tested-models" className="text-2xl font-semibold mb-3">
-					{isZh ? '已测试模型' : 'Tested Models'}
+					{isZh ? '模型列表' : 'Model List'}
 				</Heading>
 				<div className="bg-linear-to-br from-emerald-50 to-cyan-50 dark:from-emerald-950/30 dark:to-cyan-950/30 rounded-xl p-6 border border-emerald-200/50 dark:border-emerald-800/50">
 					<div className="grid grid-cols-[5rem_1fr] gap-x-3 gap-y-3 items-start">
@@ -115,8 +128,8 @@ export default function Models() {
 						</li>
 						<li>
 							{isZh
-								? 'ToolCall 能力较弱的模型可能返回错误的格式，常见错误能够自动恢复，建议设置较高的 temperature'
+								? 'ToolCall 能力较弱的模型可能返回错误的格式，常见错误能够自动恢复'
-								: 'Models with weaker ToolCall capabilities may return incorrect formats. Common errors usually auto-recover. Higher temperature recommended'}
+								: 'Models with weaker ToolCall capabilities may return incorrect formats. Common errors usually auto-recover'}
 						</li>
 						<li>
 							{isZh
@@ -272,7 +285,7 @@ LLM_MODEL_NAME="qwen3.5-plus"`}
 							code={`const pageAgent = new PageAgent({
   baseURL: 'https://your-claude-proxy.example/v1',
   apiKey: 'your-api-key',
-  model: 'claude-sonnet-4.5',
+  model: 'claude-sonnet-5',
   transformRequestBody: (requestBody) => ({
     ...requestBody,
     cache_control: { type: 'ephemeral' },

packages/website/src/pages/home/HeroSection.tsx

@@ -17,11 +17,17 @@ import { useLanguage } from '../../i18n/context'
 
 let pageAgentModule: Promise<typeof import('page-agent')> | null = null
 
-function getInjection(useCN?: boolean) {
+/**
-	const cdn = useCN ? CDN_DEMO_CN_URL : CDN_DEMO_URL
+ * Get the bookmarklet injection script
+ * @param cdnSource Which CDN mirror to use
+ * @param isZh Whether to use Chinese language
+ */
+function getInjection(cdnSource: 'china' | 'international', isZh?: boolean) {
+	const cdn = cdnSource === 'china' ? CDN_DEMO_CN_URL : CDN_DEMO_URL
+	const locale = isZh ? 'zh-CN' : 'en-US'
 
 	const injection = encodeURI(
-		`javascript:(function(){var s=document.createElement('script');s.src=\`${cdn}?t=\${Math.random()}\`;s.setAttribute('crossorigin', true);s.type="text/javascript";s.onload=()=>console.log('PageAgent script loaded!');document.body.appendChild(s);})();`
+		`javascript:(function(){var s=document.createElement('script');s.src=\`${cdn}?lang=${locale}&t=\${Math.random()}\`;s.setAttribute('crossorigin', true);s.type="text/javascript";s.onload=()=>console.log('PageAgent script loaded!');document.body.appendChild(s);})();`
 	)
 
 	return `
@@ -298,7 +304,7 @@ export default function HeroSection() {
 														</select>
 														<div
 															dangerouslySetInnerHTML={{
-																__html: getInjection(cdnSource === 'china'),
+																__html: getInjection(cdnSource, isZh),
 															}}
 														></div>
 													</div>

packages/website/src/pages/home/OneMoreThingSection.tsx

@@ -40,7 +40,7 @@ export default function OneMoreThingSection() {
 						className="group inline-flex items-center gap-3 px-8 py-4 bg-linear-to-r from-blue-600 to-blue-700 hover:from-blue-700 hover:to-blue-800 text-white font-medium rounded-2xl shadow-lg hover:shadow-xl transition-all duration-300 hover:scale-105"
 					>
 						<img
-							src="https://img.alicdn.com/imgextra/i3/O1CN01JpW0Vo1sR3FpiZKFM_!!6000000005762-55-tps-192-192.svg"
+							src="https://page-agent.github.io/assets/third-party/chrome-web-store-192.svg"
 							alt="Chrome Web Store"
 							className="w-7 h-7"
 						/>

scripts/ci.js

@@ -36,13 +36,14 @@ if (isMainBranch()) {
 	run('commitlint', `npx commitlint --from ${from} --to HEAD`)
 }
 
-// 2. Lint + Format + Typecheck in parallel
+// 2. Lint + Format + Typecheck + Test in parallel
-console.log(chalk.bgBlue.white.bold(' ▸ lint + format + typecheck '))
+console.log(chalk.bgBlue.white.bold(' ▸ lint + format + typecheck + test '))
 await parallelTask(
 	[
 		{ label: 'lint', command: 'npm run lint' },
 		{ label: 'format', command: 'npx prettier --check .' },
 		{ label: 'typecheck', command: 'npm run typecheck' },
+		{ label: 'test', command: 'npm test' },
 	],
 	{ timeoutMs: 120_000 }
 )