feat(ext): expose more config

chore(version): bump version to 1.5.1
feat: change maxSteps to 40
2026-03-05 20:34:55 +08:00 · 2026-03-05 19:28:19 +08:00 · 2026-03-05 19:26:56 +08:00 · 2026-03-05 19:23:47 +08:00 · 2026-03-05 19:15:03 +08:00 · 2026-03-05 19:13:18 +08:00
61 changed files with 1246 additions and 1009 deletions
@@ -49,8 +49,8 @@ Fastest way to try PageAgent with our free Demo LLM:

 | Mirrors | URL                                                                                |
 | ------- | ---------------------------------------------------------------------------------- |
-| Global  | https://cdn.jsdelivr.net/npm/page-agent@1.4.0/dist/iife/page-agent.demo.js         |
-| China   | https://registry.npmmirror.com/page-agent/1.4.0/files/dist/iife/page-agent.demo.js |
+| Global  | https://cdn.jsdelivr.net/npm/page-agent@1.5.1/dist/iife/page-agent.demo.js         |
+| China   | https://registry.npmmirror.com/page-agent/1.5.1/files/dist/iife/page-agent.demo.js |

 > **⚠️ 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).

@@ -5,6 +5,32 @@ 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).

+## [1.4.0] - 2026-02-27
+
+### Features
+
+- Update Terms of Use and Privacy Policy
+- **Robust tool-call validation** - Action inputs are now validated against tool schemas individually, producing clear error messages (e.g. `Invalid input for action "click_element_by_index"`) instead of unreadable union parse errors
+- **Primitive action input coercion** - Small models that output `{"click_element_by_index": 2}` instead of `{"click_element_by_index": {"index": 2}}` are now auto-corrected using tool schemas
+- **Qwen model updates** - Added `qwen3.5-plus` as the default free testing model; disabled `enable_thinking` for Qwen models to avoid incompatible responses
+- **Updated default LLM endpoint** - Migrated demo and extension to a new testing endpoint with legacy endpoint auto-migration
+
+### Improvements
+
+- Unified zod imports (`* as z`) across all packages for consistency
+- Better Zod error formatting with `z.prettifyError()` in LLM client
+- Exported `InvokeError` and `InvokeErrorType` as values (not just types) from `@page-agent/llms`
+- Exported `SupportedLanguage` type from `@page-agent/core`
+
+### Extension v0.1.8
+
+- **Language setting** - Added language selector (System / English / 中文) in config panel
+- **UI makeover** - New empty state with breathing glow and typing animation; ai-motion glow overlay while running; refined focus styles
+- **Testing endpoint notice** - Shows terms of use notice when using the free testing API
+- **Legacy endpoint migration** - Auto-migrates old Supabase testing endpoint to new endpoint on startup
+
+---
+
 ## [1.3.0] - 2026-02-13

 ### Breaking Changes
@@ -96,9 +122,10 @@ PageAgent is now ready for production use. The API is stable and breaking change
 - **Ask User Tool** - Agent can ask users for clarification
 - **i18n Support** - English and Chinese localization

-### Configuration
+### Configuration 

 ```typescript
+// Version 1.0.0
 interface PageAgentConfig {
    // LLM Configuration (required)
    baseURL: string
@@ -49,8 +49,8 @@

 | Mirrors | URL                                                                                |
 | ------- | ---------------------------------------------------------------------------------- |
-| Global  | https://cdn.jsdelivr.net/npm/page-agent@1.4.0/dist/iife/page-agent.demo.js         |
-| China   | https://registry.npmmirror.com/page-agent/1.4.0/files/dist/iife/page-agent.demo.js |
+| Global  | https://cdn.jsdelivr.net/npm/page-agent@1.5.1/dist/iife/page-agent.demo.js         |
+| China   | https://registry.npmmirror.com/page-agent/1.5.1/files/dist/iife/page-agent.demo.js |

 > **⚠️ 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)。

@@ -1,12 +1,12 @@
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-    "version": "1.4.0",
+    "version": "1.5.1",
    "lockfileVersion": 3,
    "requires": true,
    "packages": {
        "": {
            "name": "root",
-            "version": "1.4.0",
+            "version": "1.5.1",
            "license": "MIT",
            "workspaces": [
                "packages/page-controller",
@@ -21,10 +21,10 @@
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                "@commitlint/config-conventional": "^20.4.2",
                "@eslint/js": "^9.39.2",
-                "@microsoft/api-extractor": "^7.57.3",
+                "@microsoft/api-extractor": "^7.57.6",
                "@tailwindcss/vite": "^4.2.1",
                "@trivago/prettier-plugin-sort-imports": "^6.0.2",
-                "@types/node": "^25.3.0",
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@@ -35,16 +35,16 @@
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                "eslint-plugin-react-refresh": "^0.5.2",
                "eslint-plugin-react-x": "^2.13.0",
-                "globals": "^17.0.0",
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                "husky": "^9.1.7",
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-                "vite-plugin-css-injected-by-js": "^3.5.2"
+                "vite-plugin-css-injected-by-js": "^4.0.1"
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@@ -1685,19 +1685,19 @@
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            "license": "MIT",
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+                "@microsoft/api-extractor-model": "7.33.4",
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-                "@rushstack/terminal": "0.22.1",
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@@ -1711,15 +1711,15 @@
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+                "@microsoft/tsdoc-config": "~0.18.1",
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-            "version": "12.34.3",
-            "resolved": "https://registry.npmjs.org/motion/-/motion-12.34.3.tgz",
-            "integrity": "sha512-xZIkBGO7v/Uvm+EyaqYd+9IpXu0sZqLywVlGdCFrrMiaO9JI4Kx51mO9KlHSWwll+gZUVY5OJsWgYI5FywJ/tw==",
+            "version": "12.34.5",
+            "resolved": "https://registry.npmjs.org/motion/-/motion-12.34.5.tgz",
+            "integrity": "sha512-N06NLJ9IeBHeielRqIvYvjPfXuRdyTxa+9++BgpGa+hY2D7TcMkI6QzV3jaRuv0aZRXgMa7cPy9YcBUBisPzAQ==",
            "dev": true,
            "license": "MIT",
            "dependencies": {
-                "framer-motion": "^12.34.3",
+                "framer-motion": "^12.34.5",
                "tslib": "^2.4.0"
            },
            "peerDependencies": {
@@ -8183,9 +8148,9 @@
            }
        },
        "node_modules/motion-dom": {
-            "version": "12.34.3",
-            "resolved": "https://registry.npmjs.org/motion-dom/-/motion-dom-12.34.3.tgz",
-            "integrity": "sha512-sYgFe+pR9aIM7o4fhs2aXtOI+oqlUd33N9Yoxcgo1Fv7M20sRkHtCmzE/VRNIcq7uNJ+qio+Xubt1FXH3pQ+eQ==",
+            "version": "12.34.5",
+            "resolved": "https://registry.npmjs.org/motion-dom/-/motion-dom-12.34.5.tgz",
+            "integrity": "sha512-k33CsnxO2K3gBRMUZT+vPmc4Utlb5menKdG0RyVNLtlqRaaJPRWlE9fXl8NTtfZ5z3G8TDvqSu0MENLqSTaHZA==",
            "dev": true,
            "license": "MIT",
            "dependencies": {
@@ -8710,19 +8675,6 @@
                "url": "https://github.com/sponsors/jonschlinkert"
            }
        },
-        "node_modules/pidtree": {
-            "version": "0.6.0",
-            "resolved": "https://registry.npmjs.org/pidtree/-/pidtree-0.6.0.tgz",
-            "integrity": "sha512-eG2dWTVw5bzqGRztnHExczNxt5VGsE6OwTeCG3fdUf9KBsZzO3R5OIIIzWR+iZA0NtZ+RDVdaoE2dK1cn6jH4g==",
-            "dev": true,
-            "license": "MIT",
-            "bin": {
-                "pidtree": "bin/pidtree.js"
-            },
-            "engines": {
-                "node": ">=0.10"
-            }
-        },
        "node_modules/pino": {
            "version": "9.7.0",
            "resolved": "https://registry.npmjs.org/pino/-/pino-9.7.0.tgz",
@@ -9560,9 +9512,9 @@
            }
        },
        "node_modules/simple-icons": {
-            "version": "16.9.0",
-            "resolved": "https://registry.npmjs.org/simple-icons/-/simple-icons-16.9.0.tgz",
-            "integrity": "sha512-aKst2C7cLkFyaiQ/Crlwxt9xYOpGPk05XuJZ0ZTJNNCzHCKYrGWz2ebJSi5dG8CmTCxUF/BGs6A8uyJn/EQxqw==",
+            "version": "16.10.0",
+            "resolved": "https://registry.npmjs.org/simple-icons/-/simple-icons-16.10.0.tgz",
+            "integrity": "sha512-62kuxaG3pE+cFNerudUtwb9BLmudzayHrlHkvU9gf8Nxcj7VYOm9dh3WNbGaFk60aQtfnRyzViZaouFG2B45kg==",
            "dev": true,
            "funding": [
                {
@@ -10554,9 +10506,9 @@
            }
        },
        "node_modules/vite-plugin-css-injected-by-js": {
-            "version": "3.5.2",
-            "resolved": "https://registry.npmjs.org/vite-plugin-css-injected-by-js/-/vite-plugin-css-injected-by-js-3.5.2.tgz",
-            "integrity": "sha512-2MpU/Y+SCZyWUB6ua3HbJCrgnF0KACAsmzOQt1UvRVJCGF6S8xdA3ZUhWcWdM9ivG4I5az8PnQmwwrkC2CAQrQ==",
+            "version": "4.0.1",
+            "resolved": "https://registry.npmjs.org/vite-plugin-css-injected-by-js/-/vite-plugin-css-injected-by-js-4.0.1.tgz",
+            "integrity": "sha512-WfyRojojQyAO/KzWf+efcXpTPv6zJPXaRmr9EYq5a4v5I3PWCR7kR01hiri2lW6+rHm3a57kpwsf+iahIJi1Qw==",
            "dev": true,
            "license": "MIT",
            "peerDependencies": {
@@ -11161,13 +11113,18 @@
        },
        "packages/core": {
            "name": "@page-agent/core",
-            "version": "1.4.0",
+            "version": "1.5.1",
            "license": "MIT",
            "dependencies": {
-                "@page-agent/llms": "1.4.0",
-                "@page-agent/page-controller": "1.4.0",
-                "chalk": "^5.6.2",
+                "@page-agent/llms": "1.5.1",
+                "@page-agent/page-controller": "1.5.1",
+                "chalk": "^5.6.2"
+            },
+            "devDependencies": {
                "zod": "^4.3.5"
+            },
+            "peerDependencies": {
+                "zod": "^3.25.0 || ^4.0.0"
            }
        },
        "packages/extension": {
@@ -11175,13 +11132,12 @@
            "version": "0.1.8",
            "hasInstallScript": true,
            "dependencies": {
-                "@page-agent/core": "1.4.0",
-                "@page-agent/llms": "1.4.0",
-                "@page-agent/page-controller": "1.4.0",
-                "@page-agent/ui": "1.4.0",
+                "@page-agent/core": "1.5.1",
+                "@page-agent/llms": "1.5.1",
+                "@page-agent/page-controller": "1.5.1",
+                "@page-agent/ui": "1.5.1",
                "ai-motion": "^0.4.8",
-                "chalk": "^5.6.2",
-                "zod": "^4.3.5"
+                "chalk": "^5.6.2"
            },
            "devDependencies": {
                "@radix-ui/react-hover-card": "^1.1.15",
@@ -11198,44 +11154,57 @@
                "class-variance-authority": "^0.7.1",
                "clsx": "^2.1.1",
                "idb": "^8.0.3",
-                "lucide-react": "^0.575.0",
-                "motion": "^12.34.3",
+                "lucide-react": "^0.576.0",
+                "motion": "^12.34.5",
                "next-themes": "^0.4.6",
                "react": "^19.2.4",
                "react-dom": "^19.2.4",
                "rough-notation": "^0.5.1",
-                "simple-icons": "^16.9.0",
+                "simple-icons": "^16.10.0",
                "sonner": "^2.0.7",
                "tailwind-merge": "^3.5.0",
                "tailwindcss": "^4.1.14",
                "tw-animate-css": "^1.4.0",
                "wxt": "^0.20.18"
+            },
+            "peerDependencies": {
+                "zod": "^3.25.0 || ^4.0.0"
            }
        },
        "packages/llms": {
            "name": "@page-agent/llms",
-            "version": "1.4.0",
+            "version": "1.5.1",
            "license": "MIT",
            "dependencies": {
-                "chalk": "^5.6.2",
+                "chalk": "^5.6.2"
+            },
+            "devDependencies": {
                "zod": "^4.3.5"
+            },
+            "peerDependencies": {
+                "zod": "^3.25.0 || ^4.0.0"
            }
        },
        "packages/page-agent": {
-            "version": "1.4.0",
+            "version": "1.5.1",
            "license": "MIT",
            "dependencies": {
-                "@page-agent/core": "1.4.0",
-                "@page-agent/llms": "1.4.0",
-                "@page-agent/page-controller": "1.4.0",
-                "@page-agent/ui": "1.4.0",
-                "chalk": "^5.6.2",
+                "@page-agent/core": "1.5.1",
+                "@page-agent/llms": "1.5.1",
+                "@page-agent/page-controller": "1.5.1",
+                "@page-agent/ui": "1.5.1",
+                "chalk": "^5.6.2"
+            },
+            "devDependencies": {
                "zod": "^4.3.5"
+            },
+            "peerDependencies": {
+                "zod": "^3.25.0 || ^4.0.0"
            }
        },
        "packages/page-controller": {
            "name": "@page-agent/page-controller",
-            "version": "1.4.0",
+            "version": "1.5.1",
            "license": "MIT",
            "dependencies": {
                "ai-motion": "^0.4.8"
@@ -11243,12 +11212,12 @@
        },
        "packages/ui": {
            "name": "@page-agent/ui",
-            "version": "1.4.0",
+            "version": "1.5.1",
            "license": "MIT"
        },
        "packages/website": {
            "name": "@page-agent/website",
-            "version": "1.4.0",
+            "version": "1.5.1",
            "devDependencies": {
                "@radix-ui/react-icons": "^1.3.2",
                "@radix-ui/react-separator": "^1.1.8",
@@ -11259,13 +11228,13 @@
                "@types/react-dom": "^19.2.1",
                "class-variance-authority": "^0.7.1",
                "clsx": "^2.1.1",
-                "lucide-react": "^0.575.0",
-                "motion": "^12.34.3",
+                "lucide-react": "^0.576.0",
+                "motion": "^12.34.5",
                "next-themes": "^0.4.6",
                "react": "^19.2.4",
                "react-dom": "^19.2.4",
                "rough-notation": "^0.5.1",
-                "simple-icons": "^16.9.0",
+                "simple-icons": "^16.10.0",
                "sonner": "^2.0.7",
                "tailwind-merge": "^3.5.0",
                "tailwindcss": "^4.1.14",
@@ -1,7 +1,7 @@
 {
    "name": "root",
    "private": true,
-    "version": "1.4.0",
+    "version": "1.5.1",
    "type": "module",
    "workspaces": [
        "packages/page-controller",
@@ -38,10 +38,10 @@
        "@commitlint/cli": "^20.4.2",
        "@commitlint/config-conventional": "^20.4.2",
        "@eslint/js": "^9.39.2",
-        "@microsoft/api-extractor": "^7.57.3",
+        "@microsoft/api-extractor": "^7.57.6",
        "@tailwindcss/vite": "^4.2.1",
        "@trivago/prettier-plugin-sort-imports": "^6.0.2",
-        "@types/node": "^25.3.0",
+        "@types/node": "^25.3.3",
        "@vitejs/plugin-react-swc": "^4.1.0",
        "chalk": "^5.6.2",
        "concurrently": "^9.2.1",
@@ -52,15 +52,15 @@
        "eslint-plugin-react-hooks": "^7.0.1",
        "eslint-plugin-react-refresh": "^0.5.2",
        "eslint-plugin-react-x": "^2.13.0",
-        "globals": "^17.0.0",
+        "globals": "^17.4.0",
        "husky": "^9.1.7",
-        "lint-staged": "^16.2.4",
+        "lint-staged": "^16.3.1",
        "prettier": "^3.8.0",
        "typescript": "^5.9.3",
        "typescript-eslint": "^8.56.1",
        "unplugin-dts": "^1.0.0-beta.6",
        "vite": "^7.3.1",
-        "vite-plugin-css-injected-by-js": "^3.5.2",
+        "vite-plugin-css-injected-by-js": "^4.0.1",
        "vite-bundle-analyzer": "^1.3.6"
    },
    "overrides": {
@@ -1,7 +1,7 @@
 {
    "name": "@page-agent/core",
    "private": false,
-    "version": "1.4.0",
+    "version": "1.5.1",
    "type": "module",
    "main": "./dist/esm/page-agent-core.js",
    "module": "./dist/esm/page-agent-core.js",
@@ -44,8 +44,13 @@
    },
    "dependencies": {
        "chalk": "^5.6.2",
-        "zod": "^4.3.5",
-        "@page-agent/llms": "1.4.0",
-        "@page-agent/page-controller": "1.4.0"
+        "@page-agent/llms": "1.5.1",
+        "@page-agent/page-controller": "1.5.1"
+    },
+    "peerDependencies": {
+        "zod": "^3.25.0 || ^4.0.0"
+    },
+    "devDependencies": {
+        "zod": "^4.3.5"
    }
 }
@@ -5,14 +5,13 @@
 import { InvokeError, LLM, type Tool } from '@page-agent/llms'
 import type { BrowserState, PageController } from '@page-agent/page-controller'
 import chalk from 'chalk'
-import * as z from 'zod'
+import * as z from 'zod/v4'

-import { type PageAgentConfig, type SupportedLanguage } from './config'
-import { DEFAULT_MAX_STEPS } from './config/constants'
 import SYSTEM_PROMPT from './prompts/system_prompt.md?raw'
 import { tools } from './tools'
 import type {
 	AgentActivity,
+	AgentConfig,
 	AgentReflection,
 	AgentStatus,
 	AgentStepEvent,
@@ -21,13 +20,13 @@ import type {
 	MacroToolInput,
 	MacroToolResult,
 } from './types'
-import { assert, normalizeResponse, uid, waitFor } from './utils'
+import { assert, fetchLlmsTxt, normalizeResponse, uid, waitFor } from './utils'

-export { type PageAgentConfig }
-export type { SupportedLanguage }
 export { tool, type PageAgentTool } from './tools'
 export type * from './types'

+export type PageAgentCoreConfig = AgentConfig & { pageController: PageController }
+
 /**
 * AI agent for browser automation.
 *
@@ -60,7 +59,7 @@ export type * from './types'
 */
 export class PageAgentCore extends EventTarget {
 	readonly id = uid()
-	readonly config: PageAgentConfig & { maxSteps: number }
+	readonly config: PageAgentCoreConfig & { maxSteps: number }
 	readonly tools: typeof tools
 	/** PageController for DOM operations */
 	readonly pageController: PageController
@@ -94,10 +93,10 @@ export class PageAgentCore extends EventTarget {
 		browserState: null as BrowserState | null,
 	}

-	constructor(config: PageAgentConfig & { pageController: PageController }) {
+	constructor(config: PageAgentCoreConfig) {
 		super()

-		this.config = { ...config, maxSteps: config.maxSteps || DEFAULT_MAX_STEPS }
+		this.config = { ...config, maxSteps: config.maxSteps ?? 40 }

 		this.#llm = new LLM(this.config)
 		this.tools = new Map(tools)
@@ -222,6 +221,7 @@ export class PageAgentCore extends EventTarget {
 		this.history = []
 		this.#setStatus('running')
 		this.#emitHistoryChange()
+		this.#observations = []

 		// Reset internal states
 		this.#states = { totalWaitTime: 0, lastURL: '', browserState: null }
@@ -342,6 +342,8 @@ export class PageAgentCore extends EventTarget {
 				await onAfterTask?.(this, result)
 				return result
 			}
+
+			await waitFor(0.4) // @TODO: configurable
 		}
 	}

@@ -460,14 +462,13 @@ export class PageAgentCore extends EventTarget {
 	 * Get instructions from config
 	 */
 	async #getInstructions(): Promise<string> {
-		const { instructions } = this.config
-		if (!instructions) return ''
+		const { instructions, experimentalLlmsTxt } = this.config

-		const systemInstructions = instructions.system?.trim()
+		const systemInstructions = instructions?.system?.trim()
 		let pageInstructions: string | undefined

 		const url = this.#states.browserState?.url || ''
-		if (instructions.getPageInstructions && url) {
+		if (instructions?.getPageInstructions && url) {
 			try {
 				pageInstructions = instructions.getPageInstructions(url)?.trim()
 			} catch (error) {
@@ -477,7 +478,10 @@ export class PageAgentCore extends EventTarget {
 				)
 			}
 		}
-		if (!systemInstructions && !pageInstructions) return ''
+
+		const llmsTxt = experimentalLlmsTxt && url ? await fetchLlmsTxt(url) : undefined
+
+		if (!systemInstructions && !pageInstructions && !llmsTxt) return ''

 		let result = '<instructions>\n'

@@ -489,6 +493,10 @@ export class PageAgentCore extends EventTarget {
 			result += `<page_instructions>\n${pageInstructions}\n</page_instructions>\n`
 		}

+		if (llmsTxt) {
+			result += `<llms_txt>\n${llmsTxt}\n</llms_txt>\n`
+		}
+
 		result += '</instructions>\n\n'

 		return result
@@ -1 +0,0 @@
-export const DEFAULT_MAX_STEPS = 20
@@ -1,152 +0,0 @@
-import type { LLMConfig } from '@page-agent/llms'
-import type { PageControllerConfig } from '@page-agent/page-controller'
-
-import type { PageAgentCore } from '../PageAgentCore'
-import type { PageAgentTool } from '../tools'
-import type { ExecutionResult, HistoricalEvent } from '../types'
-
-export type { LLMConfig }
-
-/** Supported UI languages */
-export type SupportedLanguage = 'en-US' | 'zh-CN'
-
-export interface AgentConfig {
-	// theme?: 'light' | 'dark'
-	language?: SupportedLanguage
-
-	/**
-	 * Maximum number of steps the agent can take per task.
-	 * @default 20
-	 */
-	maxSteps?: number
-
-	/**
-	 * Custom tools to extend PageAgent capabilities
-	 * @experimental
-	 * @note You can also override or remove internal tools by using the same name.
-	 * @see PageAgentTool
-	 *
-	 * @example
-	 * // override internal tool
-	 * import { tool } from 'page-agent'
-	 * const customTools = {
-	 * ask_user: tool({
-	 * 	description:
-	 * 		'Ask the user or parent model a question and wait for their answer. Use this if you need more information or clarification.',
-	 * 	inputSchema: zod.object({
-	 * 		question: zod.string(),
-	 * 	}),
-	 * 	execute: async function (this: PageAgent, input) {
-	 * 		const answer = await do_some_thing(input.question)
-	 * 		return "✅ Received user answer: " + answer
-	 * 	},
-	 * })
-	 * }
-	 *
-	 * @example
-	 * // remove internal tool
-	 * const customTools = {
-	 * 	ask_user: null // never ask user questions
-	 * }
-	 */
-	customTools?: Record<string, PageAgentTool | null>
-
-	/**
-	 * Instructions to guide the agent's behavior
-	 */
-	instructions?: {
-		/**
-		 * Global system-level instructions, applied to all tasks
-		 */
-		system?: string
-
-		/**
-		 * Dynamic page-level instructions callback
-		 * Called before each step to get instructions for the current page
-		 * @param url - Current page URL (window.location.href)
-		 * @returns Instructions string, or undefined/null to skip
-		 */
-		getPageInstructions?: (url: string) => string | undefined | null
-	}
-
-	/**
-	 * Lifecycle hooks for task execution.
-	 * @experimental API may change in future versions.
-	 *
-	 * All hooks receive the agent instance as first parameter.
-	 */
-
-	/**
-	 * Called before each step execution.
-	 * @experimental
-	 * @param agent - The PageAgentCore instance
-	 * @param stepCount - Current step number (0-indexed)
-	 */
-	onBeforeStep?: (agent: PageAgentCore, stepCount: number) => Promise<void> | void
-
-	/**
-	 * Called after each step execution.
-	 * @experimental
-	 * @param agent - The PageAgentCore instance
-	 * @param history - Current history of events
-	 */
-	onAfterStep?: (agent: PageAgentCore, history: HistoricalEvent[]) => Promise<void> | void
-
-	/**
-	 * Called before task execution starts.
-	 * @experimental
-	 * @param agent - The PageAgentCore instance
-	 */
-	onBeforeTask?: (agent: PageAgentCore) => Promise<void> | void
-
-	/**
-	 * Called after task execution completes (success or failure).
-	 * @experimental
-	 * @param agent - The PageAgentCore instance
-	 * @param result - The execution result
-	 */
-	onAfterTask?: (agent: PageAgentCore, result: ExecutionResult) => Promise<void> | void
-
-	/**
-	 * Called when the agent is disposed.
-	 * @experimental
-	 * @note This hook can block the disposal process if it's async.
-	 * @param agent - The PageAgentCore instance
-	 * @param reason - Optional reason for disposal
-	 */
-	onDispose?: (agent: PageAgentCore, reason?: string) => void
-
-	// page behavior hooks
-
-	/**
-	 * @experimental
-	 * Enable the experimental script execution tool that allows executing generated JavaScript code on the page.
-	 * @note Can cause unpredictable side effects.
-	 * @note May bypass some safe guards and data-masking mechanisms.
-	 */
-	experimentalScriptExecutionTool?: boolean
-
-	/**
-	 * Transform page content before sending to LLM.
-	 * Called after DOM extraction and simplification, before LLM invocation.
-	 * Use cases: inspect extraction results, modify page info, mask sensitive data.
-	 *
-	 * @param content - Simplified page content that will be sent to LLM
-	 * @returns Transformed content
-	 *
-	 * @example
-	 * // Mask phone numbers
-	 * transformPageContent: async (content) => {
-	 *   return content.replace(/1[3-9]\d{9}/g, '***********')
-	 * }
-	 */
-	transformPageContent?: (content: string) => Promise<string> | string
-
-	/**
-	 * Completely override the default system prompt.
-	 * @experimental Use with caution - incorrect prompts may break agent behavior.
-	 */
-	customSystemPrompt?: string
-}
-
-export type PageAgentConfig = LLMConfig & AgentConfig & PageControllerConfig
@@ -2,7 +2,7 @@
 * Internal tools for PageAgent.
 * @note Adapted from browser-use
 */
-import * as z from 'zod'
+import * as z from 'zod/v4'

 import type { PageAgentCore } from '../PageAgentCore'
 import { waitFor } from '../utils'
@@ -1,3 +1,159 @@
+import type { LLMConfig } from '@page-agent/llms'
+
+// @note circular dependency but okay
+import type { PageAgentCore } from './PageAgentCore'
+import type { PageAgentTool } from './tools'
+
+/** Supported UI languages */
+export type SupportedLanguage = 'en-US' | 'zh-CN'
+
+export interface AgentConfig extends LLMConfig {
+	language?: SupportedLanguage
+
+	/**
+	 * Maximum number of steps the agent can take per task.
+	 * @default 40
+	 */
+	maxSteps?: number
+
+	/**
+	 * Custom tools to extend PageAgent capabilities
+	 * @experimental
+	 * @note You can also override or remove internal tools by using the same name.
+	 * @see PageAgentTool
+	 *
+	 * @example
+	 * // override internal tool
+	 * import { z } from 'zod/v4'
+	 * import { tool } from 'page-agent'
+	 * const customTools = {
+	 * ask_user: tool({
+	 * 	description:
+	 * 		'Ask the user or parent model a question and wait for their answer. Use this if you need more information or clarification.',
+	 * 	inputSchema: z.object({
+	 * 		question: z.string(),
+	 * 	}),
+	 * 	execute: async function (this: PageAgent, input) {
+	 * 		const answer = await do_some_thing(input.question)
+	 * 		return "✅ Received user answer: " + answer
+	 * 	},
+	 * })
+	 * }
+	 *
+	 * @example
+	 * // remove internal tool
+	 * const customTools = {
+	 * 	ask_user: null // never ask user questions
+	 * }
+	 */
+	customTools?: Record<string, PageAgentTool | null>
+
+	/**
+	 * Instructions to guide the agent's behavior
+	 */
+	instructions?: {
+		/**
+		 * Global system-level instructions, applied to all tasks
+		 */
+		system?: string
+
+		/**
+		 * Dynamic page-level instructions callback
+		 * Called before each step to get instructions for the current page
+		 * @param url - Current page URL (window.location.href)
+		 * @returns Instructions string, or undefined/null to skip
+		 */
+		getPageInstructions?: (url: string) => string | undefined | null
+	}
+
+	/**
+	 * Lifecycle hooks for task execution.
+	 * @experimental API may change in future versions.
+	 *
+	 * All hooks receive the agent instance as first parameter.
+	 */
+
+	/**
+	 * Called before each step execution.
+	 * @experimental
+	 * @param agent - The PageAgentCore instance
+	 * @param stepCount - Current step number (0-indexed)
+	 */
+	onBeforeStep?: (agent: PageAgentCore, stepCount: number) => Promise<void> | void
+
+	/**
+	 * Called after each step execution.
+	 * @experimental
+	 * @param agent - The PageAgentCore instance
+	 * @param history - Current history of events
+	 */
+	onAfterStep?: (agent: PageAgentCore, history: HistoricalEvent[]) => Promise<void> | void
+
+	/**
+	 * Called before task execution starts.
+	 * @experimental
+	 * @param agent - The PageAgentCore instance
+	 */
+	onBeforeTask?: (agent: PageAgentCore) => Promise<void> | void
+
+	/**
+	 * Called after task execution completes (success or failure).
+	 * @experimental
+	 * @param agent - The PageAgentCore instance
+	 * @param result - The execution result
+	 */
+	onAfterTask?: (agent: PageAgentCore, result: ExecutionResult) => Promise<void> | void
+
+	/**
+	 * Called when the agent is disposed.
+	 * @experimental
+	 * @note This hook can block the disposal process if it's async.
+	 * @param agent - The PageAgentCore instance
+	 * @param reason - Optional reason for disposal
+	 */
+	onDispose?: (agent: PageAgentCore, reason?: string) => void
+
+	// page behavior hooks
+
+	/**
+	 * @experimental
+	 * Enable the experimental script execution tool that allows executing generated JavaScript code on the page.
+	 * @note Can cause unpredictable side effects.
+	 * @note May bypass some safe guards and data-masking mechanisms.
+	 */
+	experimentalScriptExecutionTool?: boolean
+
+	/**
+	 * @experimental
+	 * Fetch /llms.txt from current site origin and include as context.
+	 * Only fetched once per origin per task.
+	 * @default false
+	 */
+	experimentalLlmsTxt?: boolean
+
+	/**
+	 * Transform page content before sending to LLM.
+	 * Called after DOM extraction and simplification, before LLM invocation.
+	 * Use cases: inspect extraction results, modify page info, mask sensitive data.
+	 *
+	 * @param content - Simplified page content that will be sent to LLM
+	 * @returns Transformed content
+	 *
+	 * @example
+	 * // Mask phone numbers
+	 * transformPageContent: async (content) => {
+	 *   return content.replace(/1[3-9]\d{9}/g, '***********')
+	 * }
+	 */
+	transformPageContent?: (content: string) => Promise<string> | string
+
+	/**
+	 * Completely override the default system prompt.
+	 * @experimental Use with caution - incorrect prompts may break agent behavior.
+	 */
+	customSystemPrompt?: string
+}
+
 /**
 * Agent reflection state - the reflection-before-action model
 *
@@ -1,9 +1,11 @@
 import { InvokeError, InvokeErrorType } from '@page-agent/llms'
 import chalk from 'chalk'
-import * as z from 'zod'
+import * as z from 'zod/v4'

 import type { PageAgentTool } from '../tools'

+const log = console.log.bind(console, chalk.yellow('[autoFixer]'))
+
 /**
 * Normalize LLM response and fix common format issues.
 *
@@ -34,7 +36,7 @@ export function normalizeResponse(response: any, tools?: Map<string, PageAgentTo

 		// case: sometimes the model only returns the action level
 		if (toolCall.function.name && toolCall.function.name !== 'AgentOutput') {
-			console.log(chalk.yellow(`[normalizeResponse] #1: fixing tool_call`))
+			log(`#1: fixing tool_call`)
 			resolvedArguments = { action: safeJsonParse(resolvedArguments) }
 		}
 	} else {
@@ -47,13 +49,13 @@ export function normalizeResponse(response: any, tools?: Map<string, PageAgentTo

 				// case: sometimes the content json includes upper level wrapper
 				if (resolvedArguments?.name === 'AgentOutput') {
-					console.log(chalk.yellow(`[normalizeResponse] #2: fixing tool_call`))
+					log(`#2: fixing tool_call`)
 					resolvedArguments = safeJsonParse(resolvedArguments.arguments)
 				}

 				// case: sometimes even 2-levels of wrapping
 				if (resolvedArguments?.type === 'function') {
-					console.log(chalk.yellow(`[normalizeResponse] #3: fixing tool_call`))
+					log(`#3: fixing tool_call`)
 					resolvedArguments = safeJsonParse(resolvedArguments.function.arguments)
 				}

@@ -66,7 +68,7 @@ export function normalizeResponse(response: any, tools?: Map<string, PageAgentTo
 					!resolvedArguments?.next_goal &&
 					!resolvedArguments?.thinking
 				) {
-					console.log(chalk.yellow(`[normalizeResponse] #4: fixing tool_call`))
+					log(`#4: fixing tool_call`)
 					resolvedArguments = { action: safeJsonParse(resolvedArguments) }
 				}
 			} else {
@@ -90,7 +92,7 @@ export function normalizeResponse(response: any, tools?: Map<string, PageAgentTo

 	// fix incomplete formats
 	if (!resolvedArguments.action) {
-		console.log(chalk.yellow(`[normalizeResponse] #5: fixing tool_call`))
+		log(`#5: fixing tool_call`)
 		resolvedArguments.action = { name: 'wait', input: { seconds: 1 } }
 	}

@@ -149,9 +151,7 @@ function validateAction(action: any, tools: Map<string, PageAgentTool>): any {
 			(k) => !(schema.shape as Record<string, z.ZodType>)[k].safeParse(undefined).success
 		)
 		if (requiredKey) {
-			console.log(
-				chalk.yellow(`[normalizeResponse] coercing primitive action input for "${toolName}"`)
-			)
+			log(`coercing primitive action input for "${toolName}"`)
 			value = { [requiredKey]: value }
 		}
 	}
@@ -1,6 +1,6 @@
 import chalk from 'chalk'

-export { normalizeResponse } from './autoFixer'
+export * from './autoFixer'

 export async function waitFor(seconds: number): Promise<void> {
 	await new Promise((resolve) => setTimeout(resolve, seconds * 1000))
@@ -57,6 +57,35 @@ export function uid() {
 	return id
 }

+const llmsTxtCache = new Map<string, string | null>()
+
+/** Fetch /llms.txt for a URL's origin. Cached per origin, `null` = tried and not found. */
+export async function fetchLlmsTxt(url: string): Promise<string | null> {
+	const origin = new URL(url).origin
+	if (llmsTxtCache.has(origin)) return llmsTxtCache.get(origin)!
+
+	const endpoint = `${origin}/llms.txt`
+	let result: string | null = null
+	try {
+		console.log(chalk.gray(`[llms.txt] Fetching ${endpoint}`))
+		const res = await fetch(endpoint, { signal: AbortSignal.timeout(3000) })
+		if (res.ok) {
+			result = await res.text()
+			console.log(chalk.green(`[llms.txt] Found (${result.length} chars)`))
+			if (result.length > 1000) {
+				console.log(chalk.yellow(`[llms.txt] Truncating to 1000 chars`))
+				result = truncate(result, 1000)
+			}
+		} else {
+			console.debug(chalk.gray(`[llms.txt] ${res.status} for ${endpoint}`))
+		}
+	} catch (e) {
+		console.debug(chalk.gray(`[llms.txt] not found for ${endpoint}`), e)
+	}
+	llmsTxtCache.set(origin, result)
+	return result
+}
+
 /**
 * Simple assertion function that throws an error if the condition is falsy
 * @param condition - The condition to assert
@@ -30,6 +30,7 @@ export default defineConfig({
 			external: [
 				'chalk',
 				'zod',
+				'zod/v4',
 				// all the internal packages
 				/^@page-agent\//,
 			],
@@ -1,30 +0,0 @@
-AI-powered browser automation. Control web pages with natural language.
-
-Page Agent Ext — AI-Powered Browser Automation
-
-🌟 What is Page Agent Ext?
-
-Page Agent Ext brings AI-powered automation to your browser. Built on the open-source Page Agent framework, it lets you control web pages across multiple tabs using natural language — no scripting required.
-
-🌟 Key Features:
-
- Natural Language Control — Command your browser in plain language, no code needed
- Cross-Tab Automation — Seamlessly operate across multiple tabs and pages
- Smart HTML Cleaning — Intelligently extracts and simplifies page structure for accurate AI understanding
- Bring Your Own LLM — Use OpenAI, Anthropic, or any compatible API with full data control
- Privacy-First — Zero data collection; all data flows directly to your chosen LLM provider
- Open Source — MIT licensed, built on the Page Agent framework with full transparency
-
-🌟 How It Works & Privacy:
-
-Page Agent Ext performs DOM analysis locally in your browser. When you initiate a task, sanitized page structure is sent to the LLM API you configure. Your data is never collected or stored by us.
-
- Your API Key — Configure your own LLM API (OpenAI, Anthropic, etc.). Data goes directly to your provider
- Test API — A free test endpoint is available for evaluation; we recommend your own key for regular use
-
-Terms of Use & Privacy: https://github.com/alibaba/page-agent/blob/main/docs/terms-and-privacy.md
-
-🌟 Open Source:
-
-This project is MIT licensed. Review the code, verify privacy claims, or extend it for your needs:
-https://github.com/alibaba/page-agent
@@ -1,30 +0,0 @@
-AI 驱动的浏览器自动化助手，用自然语言控制网页。
-
-Page Agent Ext — AI 驱动的浏览器自动化助手
-
-🌟 什么是 Page Agent Ext？
-
-Page Agent Ext 为浏览器带来 AI 自动化能力。基于开源的 Page Agent 框架，你可以用自然语言跨标签页控制网页，无需编写任何脚本。
-
-🌟 核心特性：
-
- 自然语言控制 — 用日常语言指挥浏览器，无需编程
- 跨标签页操作 — 在多个标签页之间无缝切换和操控
- HTML 智能清洗 — 智能提取和精简页面结构，让 AI 准确理解网页内容
- 使用你自己的模型 — 支持 OpenAI、Anthropic 或任何兼容 API，数据完全自主可控
- 隐私优先 — 零数据收集，所有数据直接发送到你配置的 LLM 服务商
- 开源透明 — MIT 协议，基于 Page Agent 开源框架，代码完全公开
-
-🌟 工作原理与隐私：
-
-Page Agent Ext 在浏览器本地进行 DOM 分析。当你发起任务时，经清洗的页面结构会发送到你配置的 LLM API。我们不会收集或存储你的任何数据。
-
- 你的 API Key — 配置你自己的 LLM API（OpenAI、Anthropic 等），数据直接发送到你的服务商
- 测试 API — 提供免费测试端点供体验，日常使用建议配置自己的 Key
-
-使用条款与隐私：https://github.com/alibaba/page-agent/blob/main/docs/terms-and-privacy.md
-
-🌟 开源项目：
-
-MIT 协议开源。查看源码、验证隐私承诺，或按需扩展：
-https://github.com/alibaba/page-agent
@@ -24,13 +24,13 @@
        "class-variance-authority": "^0.7.1",
        "clsx": "^2.1.1",
        "idb": "^8.0.3",
-        "lucide-react": "^0.575.0",
-        "motion": "^12.34.3",
+        "lucide-react": "^0.576.0",
+        "motion": "^12.34.5",
        "next-themes": "^0.4.6",
        "react": "^19.2.4",
        "react-dom": "^19.2.4",
        "rough-notation": "^0.5.1",
-        "simple-icons": "^16.9.0",
+        "simple-icons": "^16.10.0",
        "sonner": "^2.0.7",
        "tailwind-merge": "^3.5.0",
        "tailwindcss": "^4.1.14",
@@ -38,12 +38,14 @@
        "wxt": "^0.20.18"
    },
    "dependencies": {
-        "@page-agent/core": "1.4.0",
-        "@page-agent/llms": "1.4.0",
-        "@page-agent/page-controller": "1.4.0",
-        "@page-agent/ui": "1.4.0",
+        "@page-agent/core": "1.5.1",
+        "@page-agent/llms": "1.5.1",
+        "@page-agent/page-controller": "1.5.1",
+        "@page-agent/ui": "1.5.1",
        "ai-motion": "^0.4.8",
-        "chalk": "^5.6.2",
-        "zod": "^4.3.5"
+        "chalk": "^5.6.2"
+    },
+    "peerDependencies": {
+        "zod": "^3.25.0 || ^4.0.0"
    }
 }
@@ -6,7 +6,7 @@
 * - switch_to_tab: Switch to an existing tab
 * - close_tab: Close a tab (optionally switch to another)
 */
-import * as z from 'zod'
+import * as z from 'zod/v4'

 import type { TabsController } from './TabsController'

@@ -16,7 +16,13 @@ import { DEMO_CONFIG, migrateLegacyEndpoint } from './constants'
 /** Language preference: undefined means follow system */
 export type LanguagePreference = SupportedLanguage | undefined

-export interface ExtConfig extends LLMConfig {
+export interface AdvancedConfig {
+	maxSteps?: number
+	systemInstruction?: string
+	experimentalLlmsTxt?: boolean
+}
+
+export interface ExtConfig extends LLMConfig, AdvancedConfig {
 	language?: LanguagePreference
 }

@@ -40,9 +46,10 @@ export function useAgent(): UseAgentResult {
 	const [config, setConfig] = useState<ExtConfig | null>(null)

 	useEffect(() => {
-		chrome.storage.local.get(['llmConfig', 'language']).then((result) => {
+		chrome.storage.local.get(['llmConfig', 'language', 'advancedConfig']).then((result) => {
 			let llmConfig = (result.llmConfig as LLMConfig) ?? DEMO_CONFIG
 			const language = (result.language as SupportedLanguage) || undefined
+			const advancedConfig = (result.advancedConfig as AdvancedConfig) ?? {}

 			// Auto-migrate legacy testing endpoints
 			const migrated = migrateLegacyEndpoint(llmConfig)
@@ -53,14 +60,18 @@ export function useAgent(): UseAgentResult {
 				chrome.storage.local.set({ llmConfig: DEMO_CONFIG })
 			}

-			setConfig({ ...llmConfig, language })
+			setConfig({ ...llmConfig, ...advancedConfig, language })
 		})
 	}, [])

 	useEffect(() => {
 		if (!config) return

-		const agent = new MultiPageAgent(config)
+		const { systemInstruction, ...agentConfig } = config
+		const agent = new MultiPageAgent({
+			...agentConfig,
+			instructions: systemInstruction ? { system: systemInstruction } : undefined,
+		})
 		agentRef.current = agent

 		const handleStatusChange = (e: Event) => {
@@ -106,15 +117,26 @@ export function useAgent(): UseAgentResult {
 		agentRef.current?.stop()
 	}, [])

-	const configure = useCallback(async ({ language, ...llmConfig }: ExtConfig) => {
-		await chrome.storage.local.set({ llmConfig })
-		if (language) {
-			await chrome.storage.local.set({ language })
-		} else {
-			await chrome.storage.local.remove('language')
-		}
-		setConfig({ ...llmConfig, language })
-	}, [])
+	const configure = useCallback(
+		async ({
+			language,
+			maxSteps,
+			systemInstruction,
+			experimentalLlmsTxt,
+			...llmConfig
+		}: ExtConfig) => {
+			await chrome.storage.local.set({ llmConfig })
+			if (language) {
+				await chrome.storage.local.set({ language })
+			} else {
+				await chrome.storage.local.remove('language')
+			}
+			const advancedConfig: AdvancedConfig = { maxSteps, systemInstruction, experimentalLlmsTxt }
+			await chrome.storage.local.set({ advancedConfig })
+			setConfig({ ...llmConfig, ...advancedConfig, language })
+		},
+		[]
+	)

 	return {
 		status,
@@ -1,4 +1,14 @@
-import { Copy, CornerUpLeft, Eye, EyeOff, HatGlasses, Home, Loader2, Scale } from 'lucide-react'
+import {
+	ChevronDown,
+	Copy,
+	CornerUpLeft,
+	Eye,
+	EyeOff,
+	HatGlasses,
+	Home,
+	Loader2,
+	Scale,
+} from 'lucide-react'
 import { useEffect, useState } from 'react'
 import { siGithub } from 'simple-icons'

@@ -6,6 +16,7 @@ import { DEMO_API_KEY, DEMO_BASE_URL, DEMO_MODEL, isTestingEndpoint } from '@/ag
 import type { ExtConfig, LanguagePreference } from '@/agent/useAgent'
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
+import { Switch } from '@/components/ui/switch'

 interface ConfigPanelProps {
 	config: ExtConfig | null
@@ -18,18 +29,26 @@ export function ConfigPanel({ config, onSave, onClose }: ConfigPanelProps) {
 	const [baseURL, setBaseURL] = useState(config?.baseURL || DEMO_BASE_URL)
 	const [model, setModel] = useState(config?.model || DEMO_MODEL)
 	const [language, setLanguage] = useState<LanguagePreference>(config?.language)
+	const [maxSteps, setMaxSteps] = useState<number | undefined>(config?.maxSteps)
+	const [systemInstruction, setSystemInstruction] = useState(config?.systemInstruction ?? '')
+	const [experimentalLlmsTxt, setExperimentalLlmsTxt] = useState(
+		config?.experimentalLlmsTxt ?? false
+	)
+	const [advancedOpen, setAdvancedOpen] = useState(false)
 	const [saving, setSaving] = useState(false)
 	const [userAuthToken, setUserAuthToken] = useState<string>('')
 	const [copied, setCopied] = useState(false)
 	const [showToken, setShowToken] = useState(false)
 	const [showApiKey, setShowApiKey] = useState(false)

-	// Update local state when config prop changes
 	useEffect(() => {
 		setApiKey(config?.apiKey || DEMO_API_KEY)
 		setBaseURL(config?.baseURL || DEMO_BASE_URL)
 		setModel(config?.model || DEMO_MODEL)
 		setLanguage(config?.language)
+		setMaxSteps(config?.maxSteps)
+		setSystemInstruction(config?.systemInstruction ?? '')
+		setExperimentalLlmsTxt(config?.experimentalLlmsTxt ?? false)
 	}, [config])

 	// Poll for user auth token every second until found
@@ -67,7 +86,15 @@ export function ConfigPanel({ config, onSave, onClose }: ConfigPanelProps) {
 	const handleSave = async () => {
 		setSaving(true)
 		try {
-			await onSave({ apiKey, baseURL, model, language })
+			await onSave({
+				apiKey,
+				baseURL,
+				model,
+				language,
+				maxSteps: maxSteps || undefined,
+				systemInstruction: systemInstruction || undefined,
+				experimentalLlmsTxt,
+			})
 		} finally {
 			setSaving(false)
 		}
@@ -87,28 +114,11 @@ export function ConfigPanel({ config, onSave, onClose }: ConfigPanelProps) {
 				</Button>
 			</div>

-			{/* Testing API notice */}
-			{isTestingEndpoint(baseURL) && (
-				<div className="p-2.5 rounded-md border border-amber-500/30 bg-amber-500/5 text-[10px] text-muted-foreground leading-relaxed">
-					<Scale className="size-3 inline-block mr-1 -mt-0.5 text-amber-600" />
-					You are using the free testing API. By using this service you agree to the{' '}
-					<a
-						href="https://github.com/alibaba/page-agent/blob/main/docs/terms-and-privacy.md"
-						target="_blank"
-						rel="noopener noreferrer"
-						className="underline hover:text-foreground"
-					>
-						Terms of Use & Privacy Policy
-					</a>
-					. No sensitive data. No guaranteed availability.
-				</div>
-			)}
-
 			{/* User Auth Token Section */}
 			<div className="flex flex-col gap-1.5 p-3 bg-muted/50 rounded-md border">
 				<label className="text-xs font-medium text-muted-foreground">User Auth Token</label>
 				<p className="text-[10px] text-muted-foreground mb-1">
-					Add this token to a website's localStorage to give it authorization to call this extension
+					Give a website the ability to call this extension.
 				</p>
 				<div className="flex gap-2 items-center">
 					<Input
@@ -153,6 +163,23 @@ export function ConfigPanel({ config, onSave, onClose }: ConfigPanelProps) {
 				/>
 			</div>

+			{/* Testing API notice */}
+			{isTestingEndpoint(baseURL) && (
+				<div className="p-2.5 rounded-md border border-amber-500/30 bg-amber-500/5 text-[11px] text-muted-foreground leading-relaxed">
+					<Scale className="size-3 inline-block mr-1 -mt-0.5 text-amber-600" />
+					You are using the free testing API. By using this service you agree to the{' '}
+					<a
+						href="https://github.com/alibaba/page-agent/blob/main/docs/terms-and-privacy.md"
+						target="_blank"
+						rel="noopener noreferrer"
+						className="underline hover:text-foreground"
+					>
+						Terms of Use & Privacy Policy
+					</a>
+					. No sensitive data. No guaranteed availability.
+				</div>
+			)}
+
 			<div className="flex flex-col gap-1.5">
 				<label className="text-xs text-muted-foreground">Model</label>
 				<Input
@@ -197,6 +224,52 @@ export function ConfigPanel({ config, onSave, onClose }: ConfigPanelProps) {
 				</select>
 			</div>

+			{/* Advanced Config */}
+			<button
+				type="button"
+				onClick={() => setAdvancedOpen(!advancedOpen)}
+				className="flex items-center gap-1 text-xs text-muted-foreground hover:text-foreground cursor-pointer mt-1 font-bold"
+			>
+				Advanced
+				<ChevronDown
+					className="size-3 transition-transform"
+					style={{ transform: advancedOpen ? 'rotate(0deg)' : 'rotate(90deg)' }}
+				/>
+			</button>
+
+			{advancedOpen && (
+				<>
+					<div className="flex flex-col gap-1.5">
+						<label className="text-xs text-muted-foreground">Max Steps</label>
+						<Input
+							type="number"
+							placeholder="40"
+							min={1}
+							max={200}
+							value={maxSteps ?? ''}
+							onChange={(e) => setMaxSteps(e.target.value ? Number(e.target.value) : undefined)}
+							className="text-xs h-8 [&::-webkit-inner-spin-button]:appearance-none [&::-webkit-outer-spin-button]:appearance-none [-moz-appearance:textfield]"
+						/>
+					</div>
+
+					<div className="flex flex-col gap-1.5">
+						<label className="text-xs text-muted-foreground">System Instruction</label>
+						<textarea
+							placeholder="Additional instructions for the agent..."
+							value={systemInstruction}
+							onChange={(e) => setSystemInstruction(e.target.value)}
+							rows={3}
+							className="text-xs rounded-md border border-input bg-background px-3 py-2 resize-y min-h-[60px]"
+						/>
+					</div>
+
+					<label className="flex items-center justify-between cursor-pointer">
+						<span className="text-xs text-muted-foreground">Experimental llms.txt support</span>
+						<Switch checked={experimentalLlmsTxt} onCheckedChange={setExperimentalLlmsTxt} />
+					</label>
+				</>
+			)}
+
 			<div className="flex gap-2 mt-2">
 				<Button variant="outline" onClick={onClose} className="flex-1 h-8 text-xs cursor-pointer">
 					Cancel
@@ -1,6 +1,6 @@
 {
    "name": "@page-agent/llms",
-    "version": "1.4.0",
+    "version": "1.5.1",
    "type": "module",
    "main": "./dist/lib/page-agent-llms.js",
    "module": "./dist/lib/page-agent-llms.js",
@@ -37,7 +37,12 @@
        "postpublish": "node -e \"['LICENSE'].forEach(f=>{try{require('fs').unlinkSync(f)}catch{}})\""
    },
    "dependencies": {
-        "chalk": "^5.6.2",
+        "chalk": "^5.6.2"
+    },
+    "peerDependencies": {
+        "zod": "^3.25.0 || ^4.0.0"
+    },
+    "devDependencies": {
        "zod": "^4.3.5"
    }
 }
@@ -1,7 +1,7 @@
 /**
 * OpenAI Client implementation
 */
-import * as z from 'zod'
+import * as z from 'zod/v4'

 import { InvokeError, InvokeErrorType } from './errors'
 import type { InvokeOptions, InvokeResult, LLMClient, LLMConfig, Message, Tool } from './types'
@@ -1,7 +1,7 @@
 /**
 * Core types for LLM integration
 */
-import type * as z from 'zod'
+import type * as z from 'zod/v4'

 /**
 * Message format - OpenAI standard (industry standard)
@@ -2,13 +2,11 @@
 * Utility functions for LLM integration
 */
 import chalk from 'chalk'
-import * as z from 'zod'
+import * as z from 'zod/v4'

 import type { Tool } from './types'

-function debug(message: string) {
-	console.debug(chalk.gray('[LLM]'), message)
-}
+const debug = console.debug.bind(console, chalk.gray('[LLM]'))

 /**
 * Convert Zod schema to OpenAI tool format
@@ -25,7 +25,7 @@ export default defineConfig({
 		},
 		outDir: resolve(__dirname, 'dist', 'lib'),
 		rollupOptions: {
-			external: ['chalk', 'zod'],
+			external: ['chalk', 'zod', 'zod/v4'],
 		},
 		minify: false,
 		sourcemap: true,
@@ -1,7 +1,7 @@
 {
    "name": "page-agent",
    "private": false,
-    "version": "1.4.0",
+    "version": "1.5.1",
    "type": "module",
    "main": "./dist/esm/page-agent.js",
    "module": "./dist/esm/page-agent.js",
@@ -44,11 +44,16 @@
        "postpublish": "node -e \"['README.md','LICENSE'].forEach(f=>{try{require('fs').unlinkSync(f)}catch{}})\""
    },
    "dependencies": {
-        "@page-agent/core": "1.4.0",
-        "@page-agent/llms": "1.4.0",
-        "@page-agent/page-controller": "1.4.0",
-        "@page-agent/ui": "1.4.0",
-        "chalk": "^5.6.2",
+        "@page-agent/core": "1.5.1",
+        "@page-agent/llms": "1.5.1",
+        "@page-agent/page-controller": "1.5.1",
+        "@page-agent/ui": "1.5.1",
+        "chalk": "^5.6.2"
+    },
+    "peerDependencies": {
+        "zod": "^3.25.0 || ^4.0.0"
+    },
+    "devDependencies": {
        "zod": "^4.3.5"
    }
 }
@@ -2,12 +2,13 @@
 * Copyright (C) 2025 Alibaba Group Holding Limited
 * All rights reserved.
 */
-import { type PageAgentConfig, PageAgentCore, type PageAgentTool, tool } from '@page-agent/core'
-import { PageController } from '@page-agent/page-controller'
+import { type AgentConfig, PageAgentCore } from '@page-agent/core'
+import { PageController, type PageControllerConfig } from '@page-agent/page-controller'
 import { Panel } from '@page-agent/ui'

-export type { PageAgentConfig, PageAgentTool }
-export { tool }
+export * from '@page-agent/core'
+
+export type PageAgentConfig = AgentConfig & PageControllerConfig

 export class PageAgent extends PageAgentCore {
 	panel: Panel
@@ -30,6 +30,7 @@ export default defineConfig({
 			external: [
 				'chalk',
 				'zod',
+				'zod/v4',
 				// all the internal packages
 				/^@page-agent\//,
 			],
@@ -1,6 +1,6 @@
 {
    "name": "@page-agent/page-controller",
-    "version": "1.4.0",
+    "version": "1.5.1",
    "type": "module",
    "main": "./dist/lib/page-controller.js",
    "module": "./dist/lib/page-controller.js",
@@ -86,7 +86,7 @@ export async function clickElement(element: HTMLElement) {
 	// dispatch a click event
 	// element.click()

-	await waitFor(0.1) // Wait to ensure click event processing completes
+	await waitFor(0.2) // Wait to ensure click event processing completes
 }

 // eslint-disable-next-line @typescript-eslint/unbound-method
@@ -181,11 +181,6 @@ export async function scrollVertically(
 	// Element-specific scrolling if element is provided
 	if (element) {
 		const targetElement = element
-		console.log(
-			'[SCROLL DEBUG] Starting direct container scroll for element:',
-			targetElement.tagName
-		)
-
 		let currentElement = targetElement as HTMLElement | null
 		let scrollSuccess = false
 		let scrolledElement: HTMLElement | null = null
@@ -198,19 +193,6 @@ export async function scrollVertically(
 			const hasScrollableY = /(auto|scroll|overlay)/.test(computedStyle.overflowY)
 			const canScrollVertically = currentElement.scrollHeight > currentElement.clientHeight

-			console.log(
-				'[SCROLL DEBUG] Checking element:',
-				currentElement.tagName,
-				'hasScrollableY:',
-				hasScrollableY,
-				'canScrollVertically:',
-				canScrollVertically,
-				'scrollHeight:',
-				currentElement.scrollHeight,
-				'clientHeight:',
-				currentElement.clientHeight
-			)
-
 			if (hasScrollableY && canScrollVertically) {
 				const beforeScroll = currentElement.scrollTop
 				const maxScroll = currentElement.scrollHeight - currentElement.clientHeight
@@ -228,27 +210,10 @@ export async function scrollVertically(
 				const afterScroll = currentElement.scrollTop
 				const actualScrollDelta = afterScroll - beforeScroll

-				console.log(
-					'[SCROLL DEBUG] Scroll attempt:',
-					currentElement.tagName,
-					'before:',
-					beforeScroll,
-					'after:',
-					afterScroll,
-					'delta:',
-					actualScrollDelta
-				)
-
 				if (Math.abs(actualScrollDelta) > 0.5) {
 					scrollSuccess = true
 					scrolledElement = currentElement
 					scrollDelta = actualScrollDelta
-					console.log(
-						'[SCROLL DEBUG] Successfully scrolled container:',
-						currentElement.tagName,
-						'delta:',
-						actualScrollDelta
-					)
 					break
 				}
 			}
@@ -344,11 +309,6 @@ export async function scrollHorizontally(
 	// Element-specific scrolling if element is provided
 	if (element) {
 		const targetElement = element
-		console.log(
-			'[SCROLL DEBUG] Starting direct container scroll for element:',
-			targetElement.tagName
-		)
-
 		let currentElement = targetElement as HTMLElement | null
 		let scrollSuccess = false
 		let scrolledElement: HTMLElement | null = null
@@ -361,19 +321,6 @@ export async function scrollHorizontally(
 			const hasScrollableX = /(auto|scroll|overlay)/.test(computedStyle.overflowX)
 			const canScrollHorizontally = currentElement.scrollWidth > currentElement.clientWidth

-			console.log(
-				'[SCROLL DEBUG] Checking element:',
-				currentElement.tagName,
-				'hasScrollableX:',
-				hasScrollableX,
-				'canScrollHorizontally:',
-				canScrollHorizontally,
-				'scrollWidth:',
-				currentElement.scrollWidth,
-				'clientWidth:',
-				currentElement.clientWidth
-			)
-
 			if (hasScrollableX && canScrollHorizontally) {
 				const beforeScroll = currentElement.scrollLeft
 				const maxScroll = currentElement.scrollWidth - currentElement.clientWidth
@@ -391,27 +338,10 @@ export async function scrollHorizontally(
 				const afterScroll = currentElement.scrollLeft
 				const actualScrollDelta = afterScroll - beforeScroll

-				console.log(
-					'[SCROLL DEBUG] Scroll attempt:',
-					currentElement.tagName,
-					'before:',
-					beforeScroll,
-					'after:',
-					afterScroll,
-					'delta:',
-					actualScrollDelta
-				)
-
 				if (Math.abs(actualScrollDelta) > 0.5) {
 					scrollSuccess = true
 					scrolledElement = currentElement
 					scrollDelta = actualScrollDelta
-					console.log(
-						'[SCROLL DEBUG] Successfully scrolled container:',
-						currentElement.tagName,
-						'delta:',
-						actualScrollDelta
-					)
 					break
 				}
 			}
@@ -1446,7 +1446,7 @@ export default (
 		/**
 		 * @edit add `data-browser-use-ignore` attribute
 		 */
-		if (node.dataset?.browserUseIgnore === 'true') {
+		if (node.dataset?.browserUseIgnore === 'true' || node.dataset?.pageAgentIgnore === 'true') {
 			return null // Skip this node and its children
 		}

@@ -28,6 +28,7 @@ export class SimulatorMask {
 		this.wrapper.id = 'page-agent-runtime_simulator-mask'
 		this.wrapper.className = styles.wrapper
 		this.wrapper.setAttribute('data-browser-use-ignore', 'true')
+		this.wrapper.setAttribute('data-page-agent-ignore', 'true')

 		this.wrapper.appendChild(this.motion.element)
 		this.motion.autoResize(this.wrapper)
@@ -1,6 +1,6 @@
 {
    "name": "@page-agent/ui",
-    "version": "1.4.0",
+    "version": "1.5.1",
    "type": "module",
    "main": "./dist/lib/page-agent-ui.js",
    "module": "./dist/lib/page-agent-ui.js",
@@ -15,7 +15,7 @@ const enUS = {
 			close: 'Close',
 			expand: 'Expand history',
 			collapse: 'Collapse history',
-			step: 'Step {{number}} · {{time}}{{duration}}',
+			step: 'Step {{number}}',
 		},
 		tools: {
 			clicking: 'Clicking element [{{index}}]...',
@@ -63,7 +63,7 @@ const zhCN = {
 			close: '关闭',
 			expand: '展开历史',
 			collapse: '收起历史',
-			step: '步骤 {{number}} · {{time}}{{duration}}',
+			step: '步骤 {{number}}',
 		},
 		tools: {
 			clicking: '正在点击元素 [{{index}}]...',
@@ -1,6 +1,6 @@
 import { I18n, type SupportedLanguage } from '../i18n'
 import { truncate } from '../utils'
-import { createCard, createReflectionLines, formatTime } from './cards'
+import { createCard, createReflectionLines } from './cards'
 import type { AgentActivity, PanelAgentAdapter } from './types'

 import styles from './Panel.module.css'
@@ -187,7 +187,6 @@ export class Panel {
 			tempCard.innerHTML = createCard({
 				icon: '❓',
 				content: `Question: ${question}`,
-				meta: formatTime(this.#config.language ?? 'en-US'),
 				type: 'question',
 			})
 			const cardElement = tempCard.firstElementChild as HTMLElement
@@ -374,6 +373,7 @@ export class Panel {
 		wrapper.id = 'page-agent-runtime_agent-panel'
 		wrapper.className = styles.wrapper
 		wrapper.setAttribute('data-browser-use-ignore', 'true')
+		wrapper.setAttribute('data-page-agent-ignore', 'true')

 		wrapper.innerHTML = `
 			<div class="${styles.background}"></div>
@@ -591,15 +591,12 @@ export class Panel {
 	/** Create cards for a history event */
 	#createHistoryCards(event: PanelAgentAdapter['history'][number]): string[] {
 		const cards: string[] = []
-		const time = formatTime(this.#config.language ?? 'en-US')
 		const meta =
 			event.type === 'step' && event.stepIndex !== undefined
 				? this.#i18n.t('ui.panel.step', {
 						number: (event.stepIndex + 1).toString(),
-						time,
-						duration: '',
 					})
-				: time
+				: undefined

 		if (event.type === 'step') {
 			// Reflection card
@@ -636,7 +633,7 @@ export class Panel {
 	/** Create cards for an action */
 	#createActionCards(
 		action: { name: string; input: unknown; output: string },
-		meta: string
+		meta?: string
 	): string[] {
 		const cards: string[] = []

@@ -32,16 +32,6 @@ export function createCard({ icon, content, meta, type }: CardOptions): string {
 	`
 }

-/** Format timestamp for cards */
-export function formatTime(locale: string = 'en-US'): string {
-	return new Date().toLocaleTimeString(locale, {
-		hour12: false,
-		hour: '2-digit',
-		minute: '2-digit',
-		second: '2-digit',
-	})
-}
-
 /** Create reflection lines from reflection object */
 export function createReflectionLines(reflection: {
 	evaluation_previous_goal?: string
@@ -62,7 +62,7 @@ Located in `src/components/ui/`:
 src/
 ├── pages/
 │   ├── home/
-│   │   ├── HomeContent.tsx  # Homepage sections
+│   │   ├── index.tsx  # Homepage
 │   │   └── ...Section.tsx
 │   └── docs/
 │       ├── index.tsx    # Docs route switch
@@ -45,13 +45,24 @@
 		</script>
 	</head>
 	<body>
-		<div id="root"></div>
+		<div id="root">
+			<div id="sk">
+				<p class="sk-text" id="sk-text">Loading...</p>
+				<style>
+					#sk{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#eff6ff,#f5f3ff)}
+					@media(prefers-color-scheme:dark){#sk{background:linear-gradient(135deg,#111827,#1f2937)}}
+					.sk-text{font:400 14px/1 system-ui,sans-serif;color:#94a3b8;animation:skf 2s ease-in-out infinite}
+					@keyframes skf{0%,100%{opacity:.6}50%{opacity:.3}}
+				</style>
+			</div>
+		</div>
 		<script type="module" src="./src/main.tsx"></script>
 		<script>
-			// Dynamically update html lang attribute based on i18n detection
 			const updateHtmlLang = () => {
 				const lang = localStorage.getItem('i18nextLng') || navigator.language || 'zh-CN'
 				document.documentElement.lang = lang
+				const el = document.getElementById('sk-text')
+				if (el) el.textContent = lang.startsWith('zh') ? '加载中...' : 'Loading...'
 			}
 			updateHtmlLang()
 			window.addEventListener('storage', updateHtmlLang)
@@ -1,7 +1,7 @@
 {
    "name": "@page-agent/website",
    "private": true,
-    "version": "1.4.0",
+    "version": "1.5.1",
    "type": "module",
    "scripts": {
        "dev": "vite --host 0.0.0.0",
@@ -19,13 +19,13 @@
        "@types/react-dom": "^19.2.1",
        "class-variance-authority": "^0.7.1",
        "clsx": "^2.1.1",
-        "lucide-react": "^0.575.0",
-        "motion": "^12.34.3",
+        "lucide-react": "^0.576.0",
+        "motion": "^12.34.5",
        "next-themes": "^0.4.6",
        "react": "^19.2.4",
        "react-dom": "^19.2.4",
        "rough-notation": "^0.5.1",
-        "simple-icons": "^16.9.0",
+        "simple-icons": "^16.10.0",
        "sonner": "^2.0.7",
        "tailwind-merge": "^3.5.0",
        "tailwindcss": "^4.1.14",
@@ -5,10 +5,9 @@
 */
 import * as React from 'react'

+import { Badge } from '@/components/ui/badge'
 import { cn } from '@/lib/utils'

-import { Badge } from './badge'
-
 // ============================================================================
 // Types
 // ============================================================================
@@ -35,6 +34,8 @@ export interface APIReferenceProps {
 	description?: React.ReactNode
 	/** Property definitions */
 	properties: PropDefinition[]
+	/** Display variant: 'properties' for fields, 'methods' for methods */
+	variant?: 'properties' | 'methods'
 	/** Additional CSS classes */
 	className?: string
 }
@@ -43,7 +44,14 @@ export interface APIReferenceProps {
 // Component
 // ============================================================================

-export function APIReference({ title, description, properties, className }: APIReferenceProps) {
+export function APIReference({
+	title,
+	description,
+	properties,
+	variant = 'properties',
+	className,
+}: APIReferenceProps) {
+	const isMethodsVariant = variant === 'methods'
 	return (
 		<div className={cn('my-6', className)}>
 			{title && (
@@ -58,10 +66,10 @@ export function APIReference({ title, description, properties, className }: APIR
 					<thead>
 						<tr className="bg-gray-50 dark:bg-gray-800/50">
 							<th className="px-4 py-3 text-left font-medium text-gray-600 dark:text-gray-300">
-								Property
+								{isMethodsVariant ? 'Method' : 'Property'}
 							</th>
 							<th className="px-4 py-3 text-left font-medium text-gray-600 dark:text-gray-300">
-								Type
+								{isMethodsVariant ? 'Return Type' : 'Type'}
 							</th>
 							<th className="px-4 py-3 text-left font-medium text-gray-600 dark:text-gray-300 hidden md:table-cell">
 								Default
@@ -120,7 +128,7 @@ function PropRow({ name, type, required, defaultValue, description, status }: Pr

 			{/* Type */}
 			<td className="px-4 py-3 align-top">
-				<code className="font-mono text-xs text-gray-700 dark:text-gray-300 bg-gray-100 dark:bg-gray-800 px-1.5 py-0.5 rounded whitespace-nowrap">
+				<code className="font-mono text-xs text-gray-700 dark:text-gray-300 bg-gray-100 dark:bg-gray-800 px-1.5 py-0.5 rounded wrap-break-word">
 					{type}
 				</code>
 			</td>
@@ -42,7 +42,7 @@ const CodeEditor: React.FC<CodeEditorProps> = ({

 	return (
 		<div
-			className={`group relative ${containerClasses} rounded-xl border shadow-2xl overflow-hidden ${className}`}
+			className={`group relative ${containerClasses} rounded-xl border shadow-2xl my-4 overflow-hidden ${className}`}
 		>
 			{/* 编辑器顶部栏 */}
 			{showHeader && (
@@ -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@1.4.0/dist/iife/page-agent.demo.js'
+	'https://cdn.jsdelivr.net/npm/page-agent@1.5.1/dist/iife/page-agent.demo.js'
 export const CDN_DEMO_CN_URL =
-	'https://registry.npmmirror.com/page-agent/1.4.0/files/dist/iife/page-agent.demo.js'
+	'https://registry.npmmirror.com/page-agent/1.5.1/files/dist/iife/page-agent.demo.js'

 // Demo LLM for website testing (homepage quick trial uses flash)
 export const DEMO_MODEL = 'qwen3.5-flash'
@@ -1,15 +0,0 @@
-import FeaturesSection from './home/FeaturesSection'
-import HeroSection from './home/HeroSection'
-import OneMoreThingSection from './home/OneMoreThingSection'
-import ScenariosSection from './home/ScenariosSection'
-
-export default function HomePage() {
-	return (
-		<>
-			<HeroSection />
-			<FeaturesSection />
-			<ScenariosSection />
-			<OneMoreThingSection />
-		</>
-	)
-}
@@ -34,10 +34,6 @@ export default function DocsLayout({ children }: DocsLayoutProps) {
 					title: isZh ? '故障排查' : 'Troubleshooting',
 					path: '/introduction/troubleshooting',
 				},
-				{
-					title: '🚧 ' + (isZh ? '最佳实践' : 'Best Practices'),
-					path: '/integration/best-practices',
-				},
 			],
 		},
 		{
@@ -50,7 +46,7 @@ export default function DocsLayout({ children }: DocsLayoutProps) {
 				{ title: isZh ? 'Chrome 扩展' : 'Chrome Extension', path: '/features/chrome-extension' },
 				{
 					title: isZh ? '接入第三方 Agent' : 'Third-party Agent',
-					path: '/integration/third-party-agent',
+					path: '/features/third-party-agent',
 				},
 			],
 		},
@@ -59,10 +55,11 @@ export default function DocsLayout({ children }: DocsLayoutProps) {
 			items: [
 				{ title: 'PageAgent', path: '/advanced/page-agent' },
 				{ title: 'PageAgentCore', path: '/advanced/page-agent-core' },
+				{ title: 'PageController', path: '/advanced/page-controller' },
 				{ title: isZh ? '自定义 UI' : 'Custom UI', path: '/advanced/custom-ui' },
 				{
 					title: '🚧 ' + (isZh ? '安全与权限' : 'Security & Permissions'),
-					path: '/integration/security-permissions',
+					path: '/advanced/security-permissions',
 				},
 			],
 		},
@@ -1,6 +1,6 @@
+import { APIDivider, APIReference } from '@/components/APIReference'
 import CodeEditor from '@/components/CodeEditor'
 import { Heading } from '@/components/Heading'
-import { APIDivider, APIReference } from '@/components/ui/api-reference'
 import { useLanguage } from '@/i18n/context'

 export default function CustomUIDocs() {
@@ -1,6 +1,8 @@
+import { Link } from 'wouter'
+
+import { APIDivider, APIReference, TypeRef } from '@/components/APIReference'
 import CodeEditor from '@/components/CodeEditor'
 import { Heading } from '@/components/Heading'
-import { APIDivider, APIReference, TypeRef } from '@/components/ui/api-reference'
 import { useLanguage } from '@/i18n/context'

 export default function PageAgentCoreDocs() {
@@ -50,19 +52,13 @@ const agent = new PageAgentCore({
  baseURL: 'https://api.openai.com/v1',
  apiKey: 'your-api-key',
  model: 'gpt-5.2',
-  language: 'en-US',
 })

 // Listen to events for UI display
-
 agent.addEventListener('statuschange', () => {
  console.log('Status:', agent.status)
 })

-agent.addEventListener('historychange', () => {
-  console.log('History:', agent.history)
-})
-
 agent.addEventListener('activity', (e) => {
  const activity = (e as CustomEvent).detail
  console.log('Activity:', activity.type)
@@ -75,14 +71,54 @@ const result = await agent.execute('Fill in the form with test data')`}

 			<APIDivider title={isZh ? '配置' : 'Configuration'} />

-			{/* LLM Configuration */}
+			{/* Configuration */}
 			<section className="mb-10">
-				<Heading id="llmconfig">LLMConfig</Heading>
+				<Heading id="configuration">PageAgentCoreConfig</Heading>
 				<p className="text-gray-600 dark:text-gray-400 mb-4">
 					{isZh
-						? '配置与大语言模型的连接参数。支持 OpenAI 兼容的 API。'
-						: 'Configure connection parameters for the language model. Supports OpenAI-compatible APIs.'}
+						? 'PageAgentCoreConfig = AgentConfig & { pageController: PageController }。AgentConfig 包含以下配置项：'
+						: 'PageAgentCoreConfig = AgentConfig & { pageController: PageController }. AgentConfig contains the following options:'}
 				</p>
+
+				{/* PageController */}
+				<h3 className="text-lg font-semibold mt-6 mb-3 text-gray-800 dark:text-gray-200">
+					PageController
+				</h3>
+				<APIReference
+					properties={[
+						{
+							name: 'pageController',
+							type: 'PageController',
+							required: true,
+							description: isZh ? (
+								<>
+									<Link
+										href="/advanced/page-controller"
+										className="text-blue-600 dark:text-blue-400 hover:underline"
+									>
+										PageController
+									</Link>{' '}
+									实例，用于 DOM 操作和元素交互。
+								</>
+							) : (
+								<>
+									<Link
+										href="/advanced/page-controller"
+										className="text-blue-600 dark:text-blue-400 hover:underline"
+									>
+										PageController
+									</Link>{' '}
+									instance for DOM operations and element interaction.
+								</>
+							),
+						},
+					]}
+				/>
+
+				{/* LLM Config */}
+				<h3 className="text-lg font-semibold mt-6 mb-3 text-gray-800 dark:text-gray-200">
+					{isZh ? 'LLM 配置' : 'LLM Config'}
+				</h3>
 				<APIReference
 					properties={[
 						{
@@ -110,7 +146,6 @@ const result = await agent.execute('Fill in the form with test data')`}
 						{
 							name: 'temperature',
 							type: 'number',
-							defaultValue: '0',
 							description: isZh
 								? '模型温度参数，控制输出随机性'
 								: 'Model temperature, controls output randomness',
@@ -130,16 +165,11 @@ const result = await agent.execute('Fill in the form with test data')`}
 						},
 					]}
 				/>
-			</section>

-			{/* Agent Configuration */}
-			<section className="mb-10">
-				<Heading id="agentconfig">AgentConfig</Heading>
-				<p className="text-gray-600 dark:text-gray-400 mb-4">
-					{isZh
-						? '配置 Agent 的行为、生命周期钩子和扩展能力。'
-						: 'Configure agent behavior, lifecycle hooks, and extension capabilities.'}
-				</p>
+				{/* Agent Config */}
+				<h3 className="text-lg font-semibold mt-6 mb-3 text-gray-800 dark:text-gray-200">
+					{isZh ? 'Agent 配置' : 'Agent Config'}
+				</h3>
 				<APIReference
 					properties={[
 						{
@@ -151,7 +181,7 @@ const result = await agent.execute('Fill in the form with test data')`}
 						{
 							name: 'maxSteps',
 							type: 'number',
-							defaultValue: '20',
+							defaultValue: '40',
 							description: isZh ? '每个任务的最大步骤数' : 'Maximum number of steps per task',
 						},
 						{
@@ -166,8 +196,8 @@ const result = await agent.execute('Fill in the form with test data')`}
 							name: 'instructions',
 							type: 'InstructionsConfig',
 							description: isZh
-								? '指导 Agent 行为的指令配置'
-								: 'Instructions to guide agent behavior',
+								? '指导 Agent 行为的指令配置，见下方类型定义'
+								: 'Instructions to guide agent behavior, see type definition below',
 						},
 						{
 							name: 'transformPageContent',
@@ -177,7 +207,15 @@ const result = await agent.execute('Fill in the form with test data')`}
 								: 'Transform page content before sending to LLM, useful for data masking',
 						},
 						{
-							name: 'experimentalScriptExecutionTool',
+							name: 'customSystemPrompt',
+							type: 'string',
+							status: 'experimental',
+							description: isZh
+								? '完全覆盖默认系统提示词。谨慎使用。'
+								: 'Completely override the default system prompt. Use with caution.',
+						},
+						{
+							name: 'experimentalScript\nExecutionTool',
 							type: 'boolean',
 							defaultValue: 'false',
 							status: 'experimental',
@@ -185,134 +223,58 @@ const result = await agent.execute('Fill in the form with test data')`}
 								? '启用实验性 JavaScript 执行工具'
 								: 'Enable experimental JavaScript execution tool',
 						},
-					]}
-				/>
-
-				<h3 className="text-lg font-semibold mt-6 mb-3">InstructionsConfig</h3>
-				<APIReference
-					properties={[
 						{
-							name: 'system',
-							type: 'string',
+							name: 'experimentalLlmsTxt',
+							type: 'boolean',
+							defaultValue: 'false',
+							status: 'experimental',
 							description: isZh
-								? '全局系统级指令，应用于所有任务'
-								: 'Global system-level instructions, applied to all tasks',
-						},
-						{
-							name: 'getPageInstructions',
-							type: '(url: string) => string | undefined | null',
-							description: isZh
-								? '动态页面级指令回调，在每个步骤前调用'
-								: 'Dynamic page-level instructions callback, called before each step',
+								? '从当前站点根目录获取 /llms.txt 并作为上下文提供给 LLM'
+								: 'Fetch /llms.txt from site origin and include as LLM context',
 						},
 					]}
 				/>
-			</section>

-			{/* Lifecycle Hooks */}
-			<section className="mb-10">
-				<Heading id="lifecycle-hooks">{isZh ? '生命周期钩子' : 'Lifecycle Hooks'}</Heading>
+				{/* Lifecycle Hooks */}
+				<h3 className="text-lg font-semibold mt-6 mb-3 text-gray-800 dark:text-gray-200">
+					{isZh ? '生命周期钩子' : 'Lifecycle Hooks'}
+					<span className="ml-2 text-xs font-normal text-amber-600 dark:text-amber-400">
+						experimental
+					</span>
+				</h3>
 				<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">
-						<strong>⚠️ {isZh ? '警告' : 'Warning'}:</strong>{' '}
 						{isZh
-							? '这些接口高度实验性，可能在未来版本中发生变化。建议优先使用事件系统（Events）来监听 Agent 状态。'
-							: 'These APIs are highly experimental and may change in future versions. Prefer using the Events system for monitoring agent state.'}
+							? '这些接口高度实验性，可能在未来版本中发生变化。'
+							: 'These APIs are highly experimental and may change in future versions. '}
 					</p>
 				</div>
-				<p className="text-gray-600 dark:text-gray-400 mb-4">
-					{isZh
-						? '所有生命周期钩子都接收 agent 实例作为第一个参数，便于在回调中访问 Agent 状态和方法。'
-						: 'All lifecycle hooks receive the agent instance as first parameter, making it easy to access agent state and methods in callbacks.'}
-				</p>
 				<APIReference
 					properties={[
 						{
 							name: 'onBeforeStep',
-							type: '(agent: PageAgentCore, stepCount: number) => void | Promise<void>',
+							type: '(agent, stepCount) => void | Promise<void>',
 							description: isZh ? '每个步骤执行前调用' : 'Called before each step execution',
-							status: 'experimental',
 						},
 						{
 							name: 'onAfterStep',
-							type: '(agent: PageAgentCore, history: HistoricalEvent[]) => void | Promise<void>',
+							type: '(agent, history) => void | Promise<void>',
 							description: isZh ? '每个步骤执行后调用' : 'Called after each step execution',
-							status: 'experimental',
 						},
 						{
 							name: 'onBeforeTask',
-							type: '(agent: PageAgentCore) => void | Promise<void>',
+							type: '(agent) => void | Promise<void>',
 							description: isZh ? '任务开始前调用' : 'Called before task starts',
-							status: 'experimental',
 						},
 						{
 							name: 'onAfterTask',
-							type: '(agent: PageAgentCore, result: ExecutionResult) => void | Promise<void>',
+							type: '(agent, result) => void | Promise<void>',
 							description: isZh ? '任务结束后调用' : 'Called after task ends',
-							status: 'experimental',
 						},
 						{
 							name: 'onDispose',
-							type: '(agent: PageAgentCore, reason?: string) => void',
+							type: '(agent, reason?) => void',
 							description: isZh ? 'Agent 销毁时调用' : 'Called when agent is disposed',
-							status: 'experimental',
-						},
-					]}
-				/>
-			</section>
-
-			{/* PageController Configuration */}
-			<section className="mb-10">
-				<Heading id="pagecontrollerconfig">PageControllerConfig</Heading>
-				<p className="text-gray-600 dark:text-gray-400 mb-4">
-					{isZh
-						? '配置 DOM 提取、元素交互和视觉反馈。'
-						: 'Configure DOM extraction, element interaction, and visual feedback.'}
-				</p>
-				<APIReference
-					properties={[
-						{
-							name: 'pageController',
-							type: 'PageController',
-							status: 'experimental',
-							description: isZh
-								? '自定义 PageController 实例。如不提供，将创建默认实例。'
-								: 'Custom PageController instance. If not provided, a default one will be created.',
-						},
-						{
-							name: 'enableMask',
-							type: 'boolean',
-							defaultValue: 'true',
-							description: isZh
-								? '启用视觉遮罩覆盖层，阻止用户在自动化期间操作'
-								: 'Enable visual mask overlay that blocks user interaction during automation',
-						},
-						{
-							name: 'viewportExpansion',
-							type: 'number',
-							defaultValue: '0',
-							description: isZh
-								? '视口扩展像素数，-1 表示提取整个页面'
-								: 'Viewport expansion in pixels, -1 means extract entire page',
-						},
-						{
-							name: 'interactiveBlacklist',
-							type: '(Element | (() => Element))[]',
-							description: isZh ? '要排除的交互元素列表' : 'Elements to exclude from interaction',
-						},
-						{
-							name: 'interactiveWhitelist',
-							type: '(Element | (() => Element))[]',
-							description: isZh
-								? '要强制包含的交互元素列表'
-								: 'Elements to force include for interaction',
-						},
-						{
-							name: 'includeAttributes',
-							type: 'string[]',
-							description: isZh
-								? '在 DOM 提取中包含的额外属性'
-								: 'Additional attributes to include in DOM extraction',
 						},
 					]}
 				/>
@@ -369,16 +331,24 @@ const result = await agent.execute('Fill in the form with test data')`}
 			<section className="mb-10">
 				<Heading id="methods">{isZh ? '方法' : 'Methods'}</Heading>
 				<APIReference
+					variant="methods"
 					properties={[
 						{
-							name: 'execute(task: string)',
+							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。'
 								: 'Execute a task and return result. Contains success, data, and history fields.',
 						},
 						{
-							name: 'dispose(reason?: string)',
+							name: 'stop()',
+							type: 'void',
+							description: isZh
+								? '停止当前任务。Agent 仍可复用。'
+								: 'Stop the current task. Agent remains reusable.',
+						},
+						{
+							name: 'dispose()',
 							type: 'void',
 							description: isZh
 								? '销毁 Agent 并清理资源'
@@ -443,11 +413,8 @@ const result = await agent.execute('Fill in the form with test data')`}
 				<CodeEditor
 					language="typescript"
 					code={`interface ExecutionResult {
-  /** Whether the task completed successfully */
  success: boolean
-  /** Result description from the agent */
  data: string
-  /** Full execution history */
  history: HistoricalEvent[]
 }`}
 				/>
@@ -467,50 +434,21 @@ const result = await agent.execute('Fill in the form with test data')`}
 				/>
 			</section>

-			<APIDivider title={isZh ? '无头模式' : 'Headless Mode'} />
-
-			{/* Headless Usage */}
+			{/* InstructionsConfig */}
 			<section className="mb-10">
-				<Heading id="headless-mode">{isZh ? '无头模式' : 'Headless Mode'}</Heading>
-				<p className="text-gray-600 dark:text-gray-400 mb-4">
-					{isZh
-						? '在非 DOM 环境中，你必须实现自定义的 PageController（例如远程操作页面或 Puppeteer）。'
-						: 'In non-DOM environments, you must implement a custom PageController (e.g., remote page control or Puppeteer).'}
-				</p>
+				<Heading id="instructionsconfig">InstructionsConfig</Heading>
 				<CodeEditor
 					language="typescript"
-					code={`import { PageAgentCore } from '@page-agent/core'
-import type { PageController } from '@page-agent/page-controller'
+					code={`interface InstructionsConfig {
+  /** Global system-level instructions, applied to all tasks */
+  system?: string

-class MyRemotePageController implements PageController {
-  // Implement required methods for DOM extraction and interaction
-}
-
-const agent = new PageAgentCore({
-  pageController: new MyRemotePageController(),
-  baseURL: 'https://api.openai.com/v1',
-  apiKey: 'your-api-key',
-  model: 'gpt-5.2',
-  language: 'en-US',
-})
-
-// Listen to events for UI display
-
-agent.addEventListener('statuschange', () => {
-  console.log('Status:', agent.status)
-})
-
-agent.addEventListener('historychange', () => {
-  console.log('History:', agent.history)
-})
-
-agent.addEventListener('activity', (e) => {
-  const activity = (e as CustomEvent).detail
-  console.log('Activity:', activity.type)
-})
-
-// Execute task
-const result = await agent.execute('Fill in the form with test data')`}
+  /**
+   * Dynamic page-level instructions callback.
+   * Called before each step to get instructions for the current page.
+   */
+  getPageInstructions?: (url: string) => string | undefined
+}`}
 				/>
 			</section>
 		</div>
@@ -2,7 +2,6 @@ import { Link } from 'wouter'

 import CodeEditor from '@/components/CodeEditor'
 import { Heading } from '@/components/Heading'
-import { APIReference, TypeRef } from '@/components/ui/api-reference'
 import { useLanguage } from '@/i18n/context'

 export default function PageAgentDocs() {
@@ -14,8 +13,8 @@ export default function PageAgentDocs() {

 			<p className="text-xl text-gray-600 dark:text-gray-300 mb-8 leading-relaxed">
 				{isZh
-					? 'PageAgent 是带有内置 UI 面板的完整 Agent 类。它继承自 PageAgentCore，并自动创建交互面板。'
-					: 'PageAgent is the complete Agent class with built-in UI panel. It extends PageAgentCore and automatically creates an interactive panel.'}
+					? 'PageAgent 是带有内置 UI 面板的完整 Agent 类。它继承自 PageAgentCore，并自动创建交互面板和 PageController。'
+					: 'PageAgent is the complete Agent class with built-in UI panel. It extends PageAgentCore and automatically creates an interactive panel and PageController.'}
 			</p>

 			{/* When to use */}
@@ -29,6 +28,11 @@ export default function PageAgentDocs() {
 						: 'In most cases, you should use PageAgent. It provides a complete out-of-the-box experience:'}
 				</p>
 				<ul className="list-disc list-inside text-gray-600 dark:text-gray-400 space-y-2 mb-6">
+					<li>
+						{isZh
+							? '自动创建 PageController，处理 DOM 提取和元素操作'
+							: 'Automatically creates PageController for DOM extraction and element actions'}
+					</li>
 					<li>
 						{isZh
 							? '内置 UI 面板，显示任务进度、Agent 思考过程和操作结果'
@@ -74,9 +78,8 @@ console.log(result.history) // Full execution history`}
 				<CodeEditor
 					language="typescript"
 					code={`class PageAgent extends PageAgentCore {
-  /** The UI panel instance */
  panel: Panel
-
+  pageController: PageController
  constructor(config: PageAgentConfig)
 }`}
 				/>
@@ -90,7 +93,21 @@ console.log(result.history) // Full execution history`}
 							>
 								PageAgentCore
 							</Link>
-							，所有核心方法和事件都可用。详细的 API 参考请查看 PageAgentCore 文档。
+							，所有核心方法和事件都可用。配置项合并了{' '}
+							<Link
+								href="/advanced/page-agent-core#configuration"
+								className="text-blue-600 dark:text-blue-400 hover:underline"
+							>
+								AgentConfig
+							</Link>{' '}
+							和{' '}
+							<Link
+								href="/advanced/page-controller#configuration"
+								className="text-blue-600 dark:text-blue-400 hover:underline"
+							>
+								PageControllerConfig
+							</Link>
+							。
 						</>
 					) : (
 						<>
@@ -101,71 +118,34 @@ console.log(result.history) // Full execution history`}
 							>
 								PageAgentCore
 							</Link>
-							. All core methods and events are available. See PageAgentCore docs for detailed API
-							reference.
-						</>
-					)}
-				</p>
-			</section>
-
-			{/* Configuration */}
-			<section className="mb-10">
-				<Heading id="configuration">{isZh ? '配置' : 'Configuration'}</Heading>
-				<p className="text-gray-600 dark:text-gray-400 mb-4">
-					{isZh
-						? 'PageAgent 使用与 PageAgentCore 相同的配置接口。'
-						: 'PageAgent uses the same configuration interface as PageAgentCore.'}
-				</p>
-				<p className="text-gray-600 dark:text-gray-400 mb-4">
-					{isZh ? (
-						<>
-							完整配置请参考{' '}
+							. All core methods and events are available. Config merges{' '}
 							<Link
-								href="/advanced/page-agent-core"
+								href="/advanced/page-agent-core#configuration"
 								className="text-blue-600 dark:text-blue-400 hover:underline"
 							>
-								PageAgentCore 配置文档
-							</Link>
-							。
-						</>
-					) : (
-						<>
-							See{' '}
-							<Link
-								href="/advanced/page-agent-core"
-								className="text-blue-600 dark:text-blue-400 hover:underline"
-							>
-								PageAgentCore configuration docs
+								AgentConfig
 							</Link>{' '}
-							for complete reference.
+							and{' '}
+							<Link
+								href="/advanced/page-controller#configuration"
+								className="text-blue-600 dark:text-blue-400 hover:underline"
+							>
+								PageControllerConfig
+							</Link>
+							.
 						</>
 					)}
 				</p>
 			</section>

-			{/* Panel Property */}
+			{/* Panel */}
 			<section className="mb-10">
-				<Heading id="panel-property">{isZh ? 'Panel 属性' : 'Panel Property'}</Heading>
+				<Heading id="panel">{isZh ? 'UI 面板' : 'UI Panel'}</Heading>
 				<p className="text-gray-600 dark:text-gray-400 mb-4">
 					{isZh
-						? 'PageAgent 自动创建一个 Panel 实例。你可以通过 panel 属性访问它来控制 UI：'
-						: 'PageAgent automatically creates a Panel instance. You can access it via the panel property to control the UI:'}
+						? 'PageAgent 自动创建一个 Panel 实例。你可以通过 panel 属性控制 UI：'
+						: 'PageAgent automatically creates a Panel instance. You can control the UI via the panel property:'}
 				</p>
-
-				<APIReference
-					properties={[
-						{
-							name: 'panel',
-							type: 'Panel',
-							required: true,
-							description: isZh
-								? '内置的 UI 面板实例，用于显示任务进度和接收用户输入。'
-								: 'The built-in UI panel instance for displaying task progress and receiving user input.',
-						},
-					]}
-				/>
-
-				<h3 className="text-lg font-semibold mt-6 mb-3">{isZh ? 'Panel 方法' : 'Panel Methods'}</h3>
 				<CodeEditor
 					language="typescript"
 					code={`// Show/hide the panel
@@ -212,16 +192,16 @@ agent.panel.dispose()`}
 							</tr>
 							<tr className="bg-white dark:bg-gray-900">
 								<td className="px-4 py-3 text-gray-600 dark:text-gray-400">
-									{isZh ? 'Headless 模式' : 'Headless Mode'}
+									{isZh ? '自动创建 PageController' : 'Auto-creates PageController'}
 								</td>
-								<td className="px-4 py-3 text-center text-gray-400 dark:text-gray-600">-</td>
 								<td className="px-4 py-3 text-center text-green-600 dark:text-green-400">✓</td>
+								<td className="px-4 py-3 text-center text-gray-400 dark:text-gray-600">-</td>
 							</tr>
 							<tr className="bg-white dark:bg-gray-900">
 								<td className="px-4 py-3 text-gray-600 dark:text-gray-400">
-									{isZh ? '自定义 PageController' : 'Custom PageController'}
+									{isZh ? 'Headless 模式' : 'Headless Mode'}
 								</td>
-								<td className="px-4 py-3 text-center text-green-600 dark:text-green-400">✓</td>
+								<td className="px-4 py-3 text-center text-gray-400 dark:text-gray-600">-</td>
 								<td className="px-4 py-3 text-center text-green-600 dark:text-green-400">✓</td>
 							</tr>
 							<tr className="bg-white dark:bg-gray-900">
@@ -0,0 +1,286 @@
+import { Link } from 'wouter'
+
+import { APIDivider, APIReference } from '@/components/APIReference'
+import CodeEditor from '@/components/CodeEditor'
+import { Heading } from '@/components/Heading'
+import { useLanguage } from '@/i18n/context'
+
+export default function PageControllerDocs() {
+	const { isZh } = useLanguage()
+
+	return (
+		<div>
+			<h1 className="text-4xl font-bold mb-6">PageController</h1>
+
+			<p className="text-xl text-gray-600 dark:text-gray-300 mb-8 leading-relaxed">
+				{isZh
+					? 'PageController 负责 DOM 提取和元素交互，独立于 LLM。它将页面状态结构化为 LLM 可消费的格式，并执行元素级操作。'
+					: 'PageController handles DOM extraction and element interaction, independent of LLM. It structures page state into LLM-consumable format and executes element-level actions.'}
+			</p>
+
+			{/* Basic Usage */}
+			<section className="mb-10">
+				<Heading id="basic-usage">{isZh ? '基本用法' : 'Basic Usage'}</Heading>
+				<p className="text-gray-600 dark:text-gray-400 mb-4">
+					{isZh
+						? 'PageAgent 接受 PageController 配置项：'
+						: 'PageAgent accepts PageController options:'}
+				</p>
+				<CodeEditor
+					language="typescript"
+					code={`import { PageAgent } from 'page-agent'
+
+const agent = new PageAgent({
+  baseURL: 'https://api.openai.com/v1',
+  apiKey: 'your-api-key',
+  model: 'gpt-5.2',
+
+  // PageController options
+  enableMask: true,
+  viewportExpansion: 0,
+})`}
+				/>
+				<p className="text-gray-600 dark:text-gray-400 mt-4">
+					{isZh
+						? 'PageAgentCore 接受 PageController 实例：'
+						: 'PageAgentCore accepts a PageController instance:'}
+				</p>
+				<CodeEditor
+					language="typescript"
+					code={`import { PageAgentCore } from '@page-agent/core'
+import { PageController } from '@page-agent/page-controller'
+
+const pageController = new PageController({
+  enableMask: true,
+  viewportExpansion: -1,  // extract full page
+})
+
+const agent = new PageAgentCore({
+  pageController,
+  baseURL: 'https://api.openai.com/v1',
+  apiKey: 'your-api-key',
+  model: 'gpt-5.2',
+})`}
+				/>
+			</section>
+
+			<APIDivider title={isZh ? '配置' : 'Configuration'} />
+
+			{/* Configuration */}
+			<section className="mb-10">
+				<Heading id="configuration">PageControllerConfig</Heading>
+				<APIReference
+					properties={[
+						{
+							name: 'enableMask',
+							type: 'boolean',
+							defaultValue: 'false',
+							description: isZh
+								? '启用视觉遮罩覆盖层，在自动化期间阻止用户操作页面。通过 PageAgent 创建时默认为 true。'
+								: 'Enable visual mask overlay that blocks user interaction during automation. Defaults to true when created via PageAgent.',
+						},
+						{
+							name: 'viewportExpansion',
+							type: 'number',
+							defaultValue: '0',
+							description: isZh
+								? '向视口外扩展提取的像素数。设为 -1 表示提取整个页面。'
+								: 'Pixels to expand extraction beyond viewport. Set to -1 to extract the entire page.',
+						},
+						{
+							name: 'interactiveBlacklist',
+							type: '(Element | (() => Element))[]',
+							description: isZh
+								? '要排除的交互元素列表。支持元素引用或返回元素的函数（延迟求值）。'
+								: 'Elements to exclude from interaction. Supports element references or functions returning elements (lazy evaluation).',
+						},
+						{
+							name: 'interactiveWhitelist',
+							type: '(Element | (() => Element))[]',
+							description: isZh
+								? '要强制包含的交互元素列表。支持元素引用或返回元素的函数。'
+								: 'Elements to force include for interaction. Supports element references or functions returning elements.',
+						},
+						{
+							name: 'includeAttributes',
+							type: 'string[]',
+							description: isZh
+								? '在 DOM 提取中包含的额外 HTML 属性（如 data-testid）。默认已包含常见属性如 role, aria-label 等。'
+								: 'Additional HTML attributes to include in DOM extraction (e.g. data-testid). Common attributes like role, aria-label are included by default.',
+						},
+					]}
+				/>
+			</section>
+
+			<APIDivider title={isZh ? '方法' : 'Methods'} />
+
+			{/* Methods */}
+			<section className="mb-10">
+				<Heading id="methods">{isZh ? '方法' : 'Methods'}</Heading>
+
+				<h3 className="text-lg font-semibold mt-6 mb-3">{isZh ? '状态查询' : 'State Queries'}</h3>
+				<APIReference
+					variant="methods"
+					properties={[
+						{
+							name: 'getBrowserState()',
+							type: 'Promise<BrowserState>',
+							description: isZh
+								? '获取结构化的浏览器状态（URL、标题、简化 HTML 等），自动调用 updateTree() 刷新 DOM。这是 Agent 在每步使用的主要方法。'
+								: 'Get structured browser state (URL, title, simplified HTML, etc.), automatically calls updateTree() to refresh DOM. This is the primary method the agent uses each step.',
+						},
+						{
+							name: 'updateTree()',
+							type: 'Promise<string>',
+							description: isZh
+								? '刷新 DOM 树并返回简化 HTML。通常不需要手动调用 —— getBrowserState() 会自动调用。'
+								: 'Refresh DOM tree and return simplified HTML. Usually not needed manually — getBrowserState() calls it automatically.',
+						},
+						{
+							name: 'getCurrentUrl()',
+							type: 'Promise<string>',
+							description: isZh ? '获取当前页面 URL。' : 'Get current page URL.',
+						},
+					]}
+				/>
+
+				<h3 className="text-lg font-semibold mt-6 mb-3">{isZh ? '元素操作' : 'Element Actions'}</h3>
+				<APIReference
+					variant="methods"
+					properties={[
+						{
+							name: 'clickElement(index)',
+							type: 'Promise<ActionResult>',
+							description: isZh
+								? '按索引点击元素。索引来自简化 HTML 中的 [N] 标记。'
+								: 'Click element by index. Index comes from [N] markers in simplified HTML.',
+						},
+						{
+							name: 'inputText(index, text)',
+							type: 'Promise<ActionResult>',
+							description: isZh ? '向输入框元素填入文本。' : 'Input text into a form element.',
+						},
+						{
+							name: 'selectOption(index, optionText)',
+							type: 'Promise<ActionResult>',
+							description: isZh ? '在下拉框中选择选项。' : 'Select option in a dropdown element.',
+						},
+						{
+							name: 'scroll(options)',
+							type: 'Promise<ActionResult>',
+							description: isZh
+								? '垂直滚动页面或指定元素。'
+								: 'Scroll page or specific element vertically.',
+						},
+						{
+							name: 'scrollHorizontally(options)',
+							type: 'Promise<ActionResult>',
+							description: isZh
+								? '水平滚动页面或指定元素。'
+								: 'Scroll page or specific element horizontally.',
+						},
+					]}
+				/>
+
+				<h3 className="text-lg font-semibold mt-6 mb-3">{isZh ? '遮罩控制' : 'Mask Control'}</h3>
+				<APIReference
+					variant="methods"
+					properties={[
+						{
+							name: 'showMask()',
+							type: 'Promise<void>',
+							description: isZh
+								? '显示视觉遮罩。需要 enableMask: true。'
+								: 'Show visual mask overlay. Requires enableMask: true.',
+						},
+						{
+							name: 'hideMask()',
+							type: 'Promise<void>',
+							description: isZh ? '隐藏视觉遮罩。' : 'Hide visual mask overlay.',
+						},
+					]}
+				/>
+
+				<h3 className="text-lg font-semibold mt-6 mb-3">{isZh ? '生命周期' : 'Lifecycle'}</h3>
+				<APIReference
+					variant="methods"
+					properties={[
+						{
+							name: 'dispose()',
+							type: 'void',
+							description: isZh
+								? '清理所有资源（DOM 高亮、遮罩等）。Agent 销毁时自动调用。'
+								: 'Clean up all resources (DOM highlights, mask, etc.). Called automatically when agent disposes.',
+						},
+					]}
+				/>
+			</section>
+
+			<APIDivider title={isZh ? '类型定义' : 'Type Definitions'} />
+
+			{/* BrowserState */}
+			<section className="mb-10">
+				<Heading id="browser-state">BrowserState</Heading>
+				<p className="text-gray-600 dark:text-gray-400 mb-4">
+					{isZh
+						? 'getBrowserState() 返回的结构化浏览器状态，直接用于构建 LLM prompt。'
+						: 'Structured browser state returned by getBrowserState(), used directly to build LLM prompts.'}
+				</p>
+				<CodeEditor
+					language="typescript"
+					code={`interface BrowserState {
+  url: string
+  title: string
+  header: string   // page info + scroll position
+  content: string  // simplified HTML of interactive elements
+  footer: string   // scroll hint
+}`}
+				/>
+			</section>
+
+			{/* ActionResult */}
+			<section className="mb-10">
+				<Heading id="action-result">ActionResult</Heading>
+				<CodeEditor
+					language="typescript"
+					code={`interface ActionResult {
+  success: boolean
+  message: string
+}`}
+				/>
+			</section>
+
+			{/* Custom PageController */}
+			<section className="mb-10">
+				<Heading id="custom-implementation">
+					{isZh ? '自定义实现' : 'Custom Implementation'}
+				</Heading>
+				<p className="text-gray-600 dark:text-gray-400 mb-4">
+					{isZh
+						? '在非浏览器环境（如 Puppeteer、Playwright），你可以实现自定义 PageController。需要实现 Agent 使用的核心方法：'
+						: 'In non-browser environments (e.g. Puppeteer, Playwright), you can implement a custom PageController. Implement the core methods used by the agent:'}
+				</p>
+				<CodeEditor
+					language="typescript"
+					code={`import { PageAgentCore } from '@page-agent/core'
+import type { PageController } from '@page-agent/page-controller'
+
+class PuppeteerPageController implements PageController {
+  async getBrowserState() { /* ... */ }
+  async clickElement(index: number) { /* ... */ }
+  async inputText(index: number, text: string) { /* ... */ }
+  async scroll(options: { down: boolean; numPages: number }) { /* ... */ }
+  // ... other methods
+}
+
+const agent = new PageAgentCore({
+  pageController: new PuppeteerPageController(),
+  baseURL: 'https://api.openai.com/v1',
+  apiKey: 'your-api-key',
+  model: 'gpt-5.2',
+})`}
+				/>
+			</section>
+		</div>
+	)
+}
@@ -1,4 +1,3 @@
-import BetaNotice from '@/components/BetaNotice'
 import CodeEditor from '@/components/CodeEditor'
 import { Heading } from '@/components/Heading'
 import { useLanguage } from '@/i18n/context'
@@ -12,115 +11,100 @@ export default function CustomTools() {

 			<p className="text-xl text-gray-600 dark:text-gray-300 mb-8 leading-relaxed">
 				{isZh
-					? '通过注册自定义工具，扩展 AI Agent 的能力边界。使用 Zod 定义严格的输入接口，让 AI 安全调用你的业务逻辑。'
-					: 'Extend AI Agent capabilities by registering custom tools. Use Zod to define strict input schemas for safe business logic calls.'}
+					? '通过注册自定义工具，扩展 AI Agent 的能力边界。使用 Zod 定义输入接口，让 AI 安全调用你的业务逻辑。'
+					: 'Extend AI Agent capabilities by registering custom tools. Define input schemas with Zod for safe business logic invocation.'}
 			</p>

 			<div className="space-y-8">
 				<section>
-					<Heading id="tool-registration" className="text-2xl font-bold mb-4">
-						{isZh ? '工具注册' : 'Tool Registration'}
+					<Heading id="zod-version" className="text-2xl font-bold mb-4">
+						{isZh ? 'Zod 版本' : 'Zod Version'}
 					</Heading>
 					<p className="text-gray-600 dark:text-gray-300 mb-4">
 						{isZh
-							? '每个自定义工具需要定义四个核心属性：name、description、input schema 和 execute 函数。'
-							: 'Each custom tool requires four core properties: name, description, input schema, and execute function.'}
+							? 'Page Agent 使用 Zod 定义工具的输入 schema。支持 Zod 3 (>=3.25.0) 和 Zod 4，请从 zod/v4 子路径导入。不支持 Zod Mini。'
+							: 'Page Agent uses Zod for tool input schemas. Both Zod 3 (>=3.25.0) and Zod 4 are supported. Always import from the zod/v4 subpath. Zod Mini is not supported.'}
 					</p>
-
 					<CodeEditor
-						code={`import * as zod from 'zod'
-import { PageAgent, tool } from 'page-agent'
-
-// override internal tool
-const customTools = {
-  ask_user: tool({
-    description:
-      'Ask the user or parent model a question and wait for their answer. Use this if you need more information or clarification.',
-    inputSchema: zod.object({
-      question: zod.string(),
-    }),
-    execute: async function (this: PageAgent, input) {
-      const answer = await do_some_thing(input.question)
-      return "✅ Received user answer: " + answer
-    },
-  })
-}
-
-// remove internal tool
-const customTools = {
-  scroll: null, // never scroll
-}
-	
-const pageAgent = new PageAgent({customTools})
-`}
+						code={`// Zod 3 (>=3.25.0) or Zod 4
+import { z } from 'zod/v4'`}
 						language="javascript"
 					/>
 				</section>

 				<section>
-					<Heading id="page-filter" className="text-2xl font-bold mb-4">
-						{isZh ? '页面过滤器' : 'Page Filter'}
+					<Heading id="define-tools" className="text-2xl font-bold mb-4">
+						{isZh ? '定义工具' : 'Define Tools'}
 					</Heading>
-
-					<BetaNotice />
-
 					<p className="text-gray-600 dark:text-gray-300 mb-4">
 						{isZh
-							? '通过 pageFilter 属性控制工具在哪些页面可见，提升安全性和用户体验。'
-							: 'Control tool visibility on specific pages via the pageFilter property to enhance security and UX.'}
+							? '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。'
+							: 'Use the tool() helper to define custom tools with description, inputSchema, and execute.'}
 					</p>

 					<CodeEditor
-						code={`pageAgent.registerTool({
-  name: 'approveOrder',
-  description: '审批订单',
-  input: z.object({
-    orderId: z.string(),
-    approved: z.boolean()
-  }),
-  execute: async (params) => {
-    // 审批逻辑
+						code={`import { z } from 'zod/v4'
+import { PageAgent, tool } from 'page-agent'
+
+const pageAgent = new PageAgent({
+  customTools: {
+  
+	// 
+    add_to_cart: tool({
+      description: 'Add a product to the shopping cart by its product ID.',
+      inputSchema: z.object({
+        productId: z.string(),
+        quantity: z.number().min(1).default(1),
+      }),
+      execute: async function (input) {
+        await fetch('/api/cart', {
+          method: 'POST',
+          body: JSON.stringify(input),
+        })
+        return \`Added \${input.quantity}x \${input.productId} to cart.\`
+      },
+    }),
+
+	// 
+    search_knowledge_base: tool({
+      description: 'Search the internal knowledge base and return relevant articles.',
+      inputSchema: z.object({
+        query: z.string(),
+        limit: z.number().max(10).default(3),
+      }),
+      execute: async function (input) {
+        const res = await fetch(
+          \`/api/kb?q=\${encodeURIComponent(input.query)}&limit=\${input.limit}\`
+        )
+        const articles = await res.json()
+        return JSON.stringify(articles)
+      },
+    }),
  },
-  // 可选：页面过滤器
-  pageFilter: {
-    // 只在订单管理页面显示
-    include: ['/admin/orders', '/admin/orders/*'],
-    // 排除特定页面
-    exclude: ['/admin/orders/archived']
-  }
 })`}
 						language="javascript"
 					/>
 				</section>

 				<section>
-					<Heading id="best-practices" className="text-2xl font-bold mb-4">
-						{isZh ? '最佳实践' : 'Best Practices'}
+					<Heading id="override-remove" className="text-2xl font-bold mb-4">
+						{isZh ? '覆盖与移除内置工具' : 'Override & Remove Built-in Tools'}
 					</Heading>
-					<div className="space-y-4">
-						<div className="p-4 bg-yellow-50 dark:bg-yellow-900/20 rounded-lg">
-							<h3 className="text-lg font-semibold text-yellow-900 dark:text-yellow-300 mb-2">
-								{isZh ? '⚡ 性能优化' : '⚡ Performance Optimization'}
-							</h3>
-							<ul className="text-gray-600 dark:text-gray-300 space-y-1 text-sm">
-								<li>
-									{isZh
-										? '• 使用 pageFilter 减少不必要的工具加载'
-										: '• Use pageFilter to reduce unnecessary tool loading'}
-								</li>
-								<li>
-									{isZh
-										? '• 在 execute 函数中实现适当的缓存机制'
-										: '• Implement appropriate caching in execute functions'}
-								</li>
-								<li>
-									{isZh
-										? '• 避免在工具中执行耗时的同步操作'
-										: '• Avoid long-running sync operations in tools'}
-								</li>
-							</ul>
-						</div>
-					</div>
+					<p className="text-gray-600 dark:text-gray-300 mb-4">
+						{isZh
+							? '使用相同的名称可以覆盖内置工具的行为，设置为 null 则完全移除该工具。'
+							: 'Use the same name to override a built-in tool, or set it to null to remove it entirely.'}
+					</p>
+
+					<CodeEditor
+						code={`const pageAgent = new PageAgent({
+  customTools: {
+    scroll: null, // remove scroll tool
+    execute_javascript: null, // remove script execution
+  },
+})`}
+						language="javascript"
+					/>
 				</section>
 			</div>
 		</div>
@@ -10,11 +10,11 @@ const BASELINE = new Set([
 	'gemini-3-flash',
 	'deepseek-3.2',
 	'qwen3.5-plus',
+	'qwen3.5-flash',
 ])

 // Models grouped by brand, newest first
 const MODEL_GROUPS: Record<string, string[]> = {
-	OpenAI: ['gpt-5.2', 'gpt-5.1', 'gpt-5', 'gpt-5-mini', 'gpt-4.1', 'gpt-4.1-mini'],
 	Qwen: [
 		'qwen3.5-plus',
 		'qwen3.5-flash',
@@ -23,6 +23,7 @@ const MODEL_GROUPS: Record<string, string[]> = {
 		'qwen-3-plus',
 		'qwen3:14b (ollama)',
 	],
+	OpenAI: ['gpt-5.2', 'gpt-5.1', 'gpt-5', 'gpt-5-mini', 'gpt-4.1', 'gpt-4.1-mini'],
 	DeepSeek: ['deepseek-3.2'],
 	Google: ['gemini-3-pro', 'gemini-3-flash', 'gemini-2.5'],
 	Anthropic: [
@@ -247,16 +248,34 @@ LLM_MODEL_NAME="qwen3:14b"`}
 							{isZh
 								? '确保上下文长度大于输入 token 数，否则 Ollama 会静默截断 prompt。普通页面约需 15k token，随步骤增加。默认 4k 上下文长度无法正常工作'
 								: 'Ensure context length exceeds input tokens, or Ollama will silently truncate prompts. ~15k tokens for a typical page, increases with steps. Default 4k context length will NOT work'}
-							<ul className="text-sm text-gray-700 dark:text-gray-300 space-y-2 list-disc pl-5">
-								<li>
-									<code className="text-xs bg-gray-200 dark:bg-gray-700 px-1 rounded">
-										$env:OLLAMA_CONTEXT_LENGTH=64000; ollama serve
-									</code>
-								</li>
-							</ul>
 						</li>
 					</ul>
 				</div>
+
+				<div className="mt-4">
+					<h3 className="font-semibold text-gray-900 dark:text-gray-100 mb-3">
+						{isZh ? '建议启动参数' : 'Recommended Startup'}
+					</h3>
+					<p className="text-sm text-gray-600 dark:text-gray-400 mb-3">
+						{isZh
+							? '启动 Ollama 时建议配置以下环境变量：扩大上下文窗口、允许跨域访问、监听所有网络接口。'
+							: 'Start Ollama with these environment variables: larger context window, allow cross-origin access, and listen on all interfaces.'}
+					</p>
+
+					<div className="space-y-2">
+						<p className="text-xs font-medium text-gray-500 dark:text-gray-400">macOS / Linux</p>
+						<CodeEditor
+							code={`OLLAMA_CONTEXT_LENGTH=64000 OLLAMA_HOST=0.0.0.0:11434 OLLAMA_ORIGINS="*" ollama serve`}
+						/>
+
+						<p className="text-xs font-medium text-gray-500 dark:text-gray-400 pt-2">
+							Windows (PowerShell)
+						</p>
+						<CodeEditor
+							code={`$env:OLLAMA_CONTEXT_LENGTH=64000; $env:OLLAMA_HOST="0.0.0.0:11434"; $env:OLLAMA_ORIGINS="*"; ollama serve`}
+						/>
+					</div>
+				</div>
 			</section>
 		</div>
 	)
@@ -105,27 +105,6 @@ const pageAgentTool = {
 					</p>
 				</div>
 			</div>
-
-			<div className="bg-yellow-50 dark:bg-yellow-900/20 border border-yellow-200 dark:border-yellow-800 rounded-lg p-4 mb-6">
-				<h3 className="text-lg font-semibold text-yellow-900 dark:text-yellow-100 mb-2">
-					{isZh ? '⚠️ 注意事项' : '⚠️ Notes'}
-				</h3>
-				<ul className="text-yellow-800 dark:text-yellow-200 space-y-1 text-sm">
-					<li>
-						•{' '}
-						{isZh
-							? '确保目标网站允许自动化操作'
-							: 'Ensure target website allows automated operations'}
-					</li>
-					<li>• {isZh ? '实现适当的频率限制' : 'Implement appropriate rate limiting'}</li>
-					<li>
-						•{' '}
-						{isZh
-							? '敏感操作建议要求人工确认'
-							: 'Recommend human confirmation for sensitive operations'}
-					</li>
-				</ul>
-			</div>
 		</div>
 	)
 }
@@ -6,15 +6,15 @@ import CustomUIDocs from './advanced/custom-ui/page'
 import PageAgentCoreDocs from './advanced/page-agent-core/page'
 // Advanced
 import PageAgentDocs from './advanced/page-agent/page'
+import PageControllerDocs from './advanced/page-controller/page'
+import SecurityPermissions from './advanced/security-permissions/page'
 // Features
 import ChromeExtension from './features/chrome-extension/page'
 import Instructions from './features/custom-instructions/page'
 import CustomTools from './features/custom-tools/page'
 import DataMasking from './features/data-masking/page'
 import Models from './features/models/page'
-import BestPractices from './integration/best-practices/page'
-import SecurityPermissions from './integration/security-permissions/page'
-import ThirdPartyAgent from './integration/third-party-agent/page'
+import ThirdPartyAgent from './features/third-party-agent/page'
 import Limitations from './introduction/limitations/page'
 // Introduction
 import Overview from './introduction/overview/page'
@@ -80,6 +80,11 @@ export default function DocsRouter() {
 					<ChromeExtension />
 				</DocsPage>
 			</Route>
+			<Route path="/features/third-party-agent">
+				<DocsPage>
+					<ThirdPartyAgent />
+				</DocsPage>
+			</Route>

 			{/* Advanced */}
 			<Route path="/advanced/page-agent">
@@ -92,26 +97,21 @@ export default function DocsRouter() {
 					<PageAgentCoreDocs />
 				</DocsPage>
 			</Route>
+			<Route path="/advanced/page-controller">
+				<DocsPage>
+					<PageControllerDocs />
+				</DocsPage>
+			</Route>
 			<Route path="/advanced/custom-ui">
 				<DocsPage>
 					<CustomUIDocs />
 				</DocsPage>
 			</Route>
-			<Route path="/integration/security-permissions">
+			<Route path="/advanced/security-permissions">
 				<DocsPage>
 					<SecurityPermissions />
 				</DocsPage>
 			</Route>
-			<Route path="/integration/best-practices">
-				<DocsPage>
-					<BestPractices />
-				</DocsPage>
-			</Route>
-			<Route path="/integration/third-party-agent">
-				<DocsPage>
-					<ThirdPartyAgent />
-				</DocsPage>
-			</Route>

 			{/* Default redirect or 404 */}
 			<Route path="/docs">
@@ -1,20 +0,0 @@
-import BetaNotice from '@/components/BetaNotice'
-import CodeEditor from '@/components/CodeEditor'
-import { useLanguage } from '@/i18n/context'
-
-export default function BestPractices() {
-	const { isZh } = useLanguage()
-
-	return (
-		<div>
-			<h1 className="text-4xl font-bold mb-6">{isZh ? '最佳实践' : 'Best Practices'}</h1>
-			<BetaNotice />
-			<p className="text-xl text-gray-600 dark:text-gray-300 mb-6 leading-relaxed">
-				{isZh
-					? '使用 page-agent 的最佳实践和常见问题解决方案。'
-					: 'Best practices and common solutions for using page-agent.'}
-			</p>
-			<CodeEditor code={`// TODO`} />
-		</div>
-	)
-}
@@ -83,7 +83,7 @@ export default function LimitationsPage() {
 				</div>

 				{/* Interaction Limitations */}
-				<Heading id="interaction-capabilities" className="text-2xl font-bold mb-3">
+				<Heading id="interaction-capabilities" className="text-2xl font-bold mb-3 mt-6">
 					{isZh ? '交互能力' : 'Interaction Capabilities'}
 				</Heading>
 				<div className="bg-gray-50 dark:bg-gray-800 rounded-lg p-6 mb-6">
@@ -128,33 +128,25 @@ export default function LimitationsPage() {
 				</div>

 				{/* Understanding Limitations */}
-				<Heading id="understanding" className="text-2xl font-bold mb-3">
+				<Heading id="understanding" className="text-2xl font-bold mb-3 mt-6">
 					{isZh ? '理解能力' : 'Understanding'}
 				</Heading>
-				<div className="bg-amber-50 dark:bg-amber-900/20 border-l-4 border-amber-400 p-4 mb-6">
-					<p className="text-amber-800 dark:text-amber-200 mb-2 font-medium">
-						{isZh
-							? 'Page Agent 不使用多模态模型，不截图，没有视觉能力。仅通过 DOM 结构理解页面。'
-							: 'Page Agent does not use multimodal models, does not take screenshots, and has no visual capability. It reads pages through DOM structure only.'}
-					</p>
-					<p className="text-amber-700 dark:text-amber-300 text-sm">
-						{isZh
-							? '图片、Canvas、WebGL、SVG 等视觉内容无法被识别。页面的语义化程度和可访问性直接影响 AI 的理解准确性。'
-							: 'Images, Canvas, WebGL, SVG and other visual content cannot be recognized. Page semantic quality and accessibility directly affect AI accuracy.'}
-					</p>
-				</div>

-				{/* Website Quality */}
-				<Heading id="page-quality-matters" className="text-2xl font-bold mb-3">
-					{isZh ? '网页质量影响' : 'Page Quality Matters'}
-				</Heading>
-				<div className="bg-gray-50 dark:bg-gray-800 rounded-lg p-6">
-					<p className="text-gray-600 dark:text-gray-300 text-sm">
-						{isZh
-							? '反常识的交互逻辑、纯视觉的操作提示、快速出现消失的元素等都会降低自动化成功率。语义化的 HTML 和良好的可访问性会显著提升效果。'
-							: 'Counter-intuitive interactions, visual-only cues, and rapidly appearing/disappearing elements reduce automation success. Semantic HTML and good accessibility significantly improve results.'}
-					</p>
-				</div>
+				<p className="mb-2 font-medium">
+					{isZh
+						? 'Page Agent 不使用多模态模型，不截图，没有视觉能力。仅通过 DOM 结构理解页面。'
+						: 'Page Agent does not use multimodal models, does not take screenshots, and has no visual capability. It reads pages through DOM structure only.'}
+				</p>
+				<p className="mb-2 font-medium">
+					{isZh
+						? '图片、Canvas、WebGL、SVG 等视觉内容无法被识别。页面的语义化程度和可访问性直接影响 AI 的理解准确性。'
+						: 'Images, Canvas, WebGL, SVG and other visual content cannot be recognized. Page semantic quality and accessibility directly affect AI accuracy.'}
+				</p>
+				<p className="mb-2 font-medium">
+					{isZh
+						? '反常识的交互逻辑、纯视觉的操作提示、快速出现消失的元素等都会降低自动化成功率。语义化的 HTML 和良好的可访问性会显著提升效果。'
+						: 'Counter-intuitive interactions, visual-only cues, and rapidly appearing/disappearing elements reduce automation success. Semantic HTML and good accessibility significantly improve results.'}
+				</p>
 			</div>
 		</div>
 	)
@@ -62,7 +62,7 @@ export default function FeaturesSection() {
 													color="#ef4444aa"
 													strokeWidth={1.5}
 													// multiline={false}
-													isView
+													// isView
 												>
 													{cmd}
 												</Highlighter>
@@ -1,5 +1,5 @@
 /* eslint-disable react-dom/no-dangerously-set-innerhtml */
-import { PageAgent } from 'page-agent'
+import type { PageAgent as PageAgentType } from 'page-agent'
 import { useEffect, useState } from 'react'
 import { Link, useSearchParams } from 'wouter'

@@ -16,6 +16,8 @@ import {
 } from '../../constants'
 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

@@ -55,13 +57,20 @@ export default function HeroSection() {
 	const [activeTab, setActiveTab] = useState<'try' | 'other'>(isOther ? 'other' : 'try')
 	const [cdnSource, setCdnSource] = useState<'international' | 'china'>('international')

-	const handleExecute = async () => {
-		if (!task.trim()) return
+	const [ready, setReady] = useState(false)
+	useEffect(() => {
+		pageAgentModule ??= import('page-agent')
+		pageAgentModule.then(() => setReady(true))
+	}, [])

+	const handleExecute = async () => {
+		if (!task.trim() || !ready || !pageAgentModule) return
+
+		const { PageAgent } = await pageAgentModule
 		const win = window as any

 		if (!win.pageAgent || win.pageAgent.disposed) {
-			win.pageAgent = new PageAgent({
+			win.pageAgent = new (PageAgent as typeof PageAgentType)({
 				interactiveBlacklist: [document.getElementById('root')!],
 				language: language,

@@ -208,10 +217,21 @@ export default function HeroSection() {
 												/>
 												<button
 													onClick={handleExecute}
+													disabled={!ready}
 													className="absolute right-2 top-2 px-5 py-1.5 bg-linear-to-r from-blue-600 to-purple-600 text-white font-medium rounded-md hover:shadow-md transform hover:scale-105 transition-all duration-200 disabled:opacity-50 disabled:cursor-not-allowed disabled:transform-none text-sm"
 													data-page-agent-not-interactive
 												>
-													{isZh ? '执行' : 'Run'}
+													{ready ? (
+														isZh ? (
+															'执行'
+														) : (
+															'Run'
+														)
+													) : (
+														<span className="animate-pulse">
+															{isZh ? '准备中...' : 'Preparing...'}
+														</span>
+													)}
 												</button>
 											</div>
 											<p className="text-xs text-gray-500 dark:text-gray-400 text-left">
@@ -8,7 +8,10 @@ export default function ScenariosSection() {
 	const { isZh } = useLanguage()

 	return (
-		<section className="px-6 py-16" aria-labelledby="scenarios-heading">
+		<section
+			className="px-6 py-16 bg-linear-to-b from-blue-100 to-purple-100 dark:from-blue-950/40 dark:to-gray-800"
+			aria-labelledby="scenarios-heading"
+		>
 			<div className="max-w-6xl mx-auto">
 				<BlurFade inView>
 					<div className="text-center mb-12">
@@ -0,0 +1,27 @@
+import { Suspense, lazy } from 'react'
+
+import HeroSection from './HeroSection'
+
+const FeaturesSection = lazy(() => import('./FeaturesSection'))
+const ScenariosSection = lazy(() => import('./ScenariosSection'))
+const OneMoreThingSection = lazy(() => import('./OneMoreThingSection'))
+
+export default function HomePage() {
+	return (
+		<>
+			<HeroSection />
+			<Suspense
+				fallback={
+					<div className="flex items-center justify-center gap-3 py-20 text-gray-400">
+						<div className="w-4 h-4 border-2 border-blue-500 border-t-transparent rounded-full animate-spin" />
+						Loading...
+					</div>
+				}
+			>
+				<FeaturesSection />
+				<ScenariosSection />
+				<OneMoreThingSection />
+			</Suspense>
+		</>
+	)
+}
@@ -1,10 +1,12 @@
-import { Suspense, useLayoutEffect } from 'react'
+import { Suspense, lazy, useEffect, useLayoutEffect } from 'react'
 import { Route, Switch, useLocation } from 'wouter'

 import Footer from './components/Footer'
 import Header from './components/Header'
-import HomePage from './pages/Home'
-import DocsPages from './pages/docs/index'
+import HomePage from './pages/home'
+
+const docsImport = () => import('./pages/docs')
+const DocsPages = lazy(docsImport)

 function ScrollToTop() {
 	const [pathname] = useLocation()
@@ -15,6 +17,11 @@ function ScrollToTop() {
 }

 export default function Router() {
+	useEffect(() => {
+		const id = requestIdleCallback(() => docsImport())
+		return () => cancelIdleCallback(id)
+	}, [])
+
 	return (
 		<div className="flex min-h-screen flex-col">
 			<Header />
@@ -32,7 +39,16 @@ export default function Router() {

 					<Route path="/docs" nest>
 						<div className="flex-1 bg-white dark:bg-gray-900">
-							<DocsPages />
+							<Suspense
+								fallback={
+									<div className="flex items-center justify-center gap-3 py-20 text-gray-400">
+										<div className="w-4 h-4 border-2 border-blue-500 border-t-transparent rounded-full animate-spin" />
+										Loading...
+									</div>
+								}
+							>
+								<DocsPages />
+							</Suspense>
 						</div>
 					</Route>

@@ -27,12 +27,12 @@ const SPA_ROUTES = [
 	'docs/features/custom-instructions',
 	'docs/features/models',
 	'docs/features/chrome-extension',
+	'docs/features/third-party-agent',
 	'docs/advanced/page-agent',
 	'docs/advanced/page-agent-core',
+	'docs/advanced/page-controller',
 	'docs/advanced/custom-ui',
-	'docs/integration/security-permissions',
-	'docs/integration/best-practices',
-	'docs/integration/third-party-agent',
+	'docs/advanced/security-permissions',
 ]

 function spaRoutes() {
@@ -64,6 +64,11 @@ export default defineConfig(({ mode }) => ({
 				if (message.code === 'EVAL') return
 				handler(message)
 			},
+			output: {
+				manualChunks: {
+					vendor: ['react', 'react-dom', 'wouter'],
+				},
+			},
 		},
 	},
 	resolve: {
Author	SHA1	Message	Date
Simon	7a97de2a37	feat(ext): expose more config	2026-03-05 20:34:55 +08:00
Simon	19b03b83ea	chore(version): bump version to 1.5.1	2026-03-05 19:28:19 +08:00
Simon	598b144d06	feat: change `maxSteps` to 40	2026-03-05 19:26:56 +08:00
Simon	1cd8a8de60	Merge pull request #158 from alibaba/fix/zod-v3 feat: import zod properly	2026-03-05 19:23:47 +08:00
Simon	9beffca985	docs: update doc for Zod v4 support	2026-03-05 19:15:03 +08:00
Simon	53db2069ce	feat: zod support v3/4	2026-03-05 19:13:18 +08:00
Simon	121104e13d	feat: truncate llms.txt results	2026-03-05 16:59:08 +08:00
Simon	0dacbda9da	chore: improve logging	2026-03-05 16:54:41 +08:00
Simon	8bc27414a4	chore(version): bump version to 1.4.4	2026-03-05 16:25:16 +08:00
Simon	76509d93f0	feat: replace `data-browser-use-ignore` with `data-page-agent-ignore`	2026-03-05 16:24:50 +08:00
Simon	ff31b0c03e	chore: adjust website structure	2026-03-05 16:21:58 +08:00
Simon	6b2ab73d65	docs: model recommendation	2026-03-05 16:10:03 +08:00
Simon	2754023a80	chore(version): bump version to 1.4.3	2026-03-04 21:18:51 +08:00
Simon	fa5c65db53	docs: update custom-tool docs	2026-03-04 21:17:32 +08:00
Simon	53c2c19d69	docs: update advanced docs; rm best-practice	2026-03-04 21:13:10 +08:00
Simon	e5437b445a	fix(core): `Core` and `PageAgent` use different config types; improve code structure	2026-03-04 20:05:48 +08:00
Simon	09bdf9ddaf	feat(core): experimental support for llms.txt (#157 ) * feat(core): experimental support for llms.txt * docs: experimentalLlmsTxt	2026-03-04 18:53:24 +08:00
Simon	b58d2a09ef	Merge pull request #152 from alibaba/dependabot/npm_and_yarn/development-dependencies-7e2b43fd30 chore(deps-dev): bump the development-dependencies group with 7 updates	2026-03-03 22:04:35 +08:00
Simon	ce442742ba	Merge pull request #153 from alibaba/dependabot/npm_and_yarn/vite-plugin-css-injected-by-js-4.0.1 chore(deps-dev): bump vite-plugin-css-injected-by-js from 3.5.2 to 4.0.1	2026-03-03 22:04:17 +08:00
Simon	632f22962e	docs: add recommended startup parameters for Ollama	2026-03-03 21:59:02 +08:00
dependabot[bot]	72c3b12fb4	chore(deps-dev): bump the development-dependencies group with 7 updates Bumps the development-dependencies group with 7 updates: \| Package \| From \| To \| \| --- \| --- \| --- \| \| [@microsoft/api-extractor](https://github.com/microsoft/rushstack/tree/HEAD/apps/api-extractor) \| `7.57.3` \| `7.57.6` \| \| [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) \| `25.3.0` \| `25.3.3` \| \| [globals](https://github.com/sindresorhus/globals) \| `17.3.0` \| `17.4.0` \| \| [lint-staged](https://github.com/lint-staged/lint-staged) \| `16.2.7` \| `16.3.1` \| \| [lucide-react](https://github.com/lucide-icons/lucide/tree/HEAD/packages/lucide-react) \| `0.575.0` \| `0.576.0` \| \| [motion](https://github.com/motiondivision/motion) \| `12.34.3` \| `12.34.4` \| \| [simple-icons](https://github.com/simple-icons/simple-icons) \| `16.9.0` \| `16.10.0` \| Updates `@microsoft/api-extractor` from 7.57.3 to 7.57.6 - [Changelog](https://github.com/microsoft/rushstack/blob/main/apps/api-extractor/CHANGELOG.md) - [Commits](https://github.com/microsoft/rushstack/commits/@microsoft/api-extractor_v7.57.6/apps/api-extractor) Updates `@types/node` from 25.3.0 to 25.3.3 - [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases) - [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node) Updates `globals` from 17.3.0 to 17.4.0 - [Release notes](https://github.com/sindresorhus/globals/releases) - [Commits](https://github.com/sindresorhus/globals/compare/v17.3.0...v17.4.0) Updates `lint-staged` from 16.2.7 to 16.3.1 - [Release notes](https://github.com/lint-staged/lint-staged/releases) - [Changelog](https://github.com/lint-staged/lint-staged/blob/main/CHANGELOG.md) - [Commits](https://github.com/lint-staged/lint-staged/compare/v16.2.7...v16.3.1) Updates `lucide-react` from 0.575.0 to 0.576.0 - [Release notes](https://github.com/lucide-icons/lucide/releases) - [Commits](https://github.com/lucide-icons/lucide/commits/0.576.0/packages/lucide-react) Updates `motion` from 12.34.3 to 12.34.4 - [Changelog](https://github.com/motiondivision/motion/blob/main/CHANGELOG.md) - [Commits](https://github.com/motiondivision/motion/compare/v12.34.3...v12.34.4) Updates `simple-icons` from 16.9.0 to 16.10.0 - [Release notes](https://github.com/simple-icons/simple-icons/releases) - [Commits](https://github.com/simple-icons/simple-icons/compare/16.9.0...16.10.0) --- updated-dependencies: - dependency-name: "@microsoft/api-extractor" dependency-version: 7.57.6 dependency-type: direct:development update-type: version-update:semver-patch dependency-group: development-dependencies - dependency-name: "@types/node" dependency-version: 25.3.3 dependency-type: direct:development update-type: version-update:semver-patch dependency-group: development-dependencies - dependency-name: globals dependency-version: 17.4.0 dependency-type: direct:development update-type: version-update:semver-minor dependency-group: development-dependencies - dependency-name: lint-staged dependency-version: 16.3.1 dependency-type: direct:development update-type: version-update:semver-minor dependency-group: development-dependencies - dependency-name: lucide-react dependency-version: 0.576.0 dependency-type: direct:development update-type: version-update:semver-minor dependency-group: development-dependencies - dependency-name: motion dependency-version: 12.34.4 dependency-type: direct:development update-type: version-update:semver-patch dependency-group: development-dependencies - dependency-name: simple-icons dependency-version: 16.10.0 dependency-type: direct:development update-type: version-update:semver-minor dependency-group: development-dependencies ... Signed-off-by: dependabot[bot] <support@github.com>	2026-03-03 13:58:04 +00:00
Simon	4807d550a3	chore(version): bump version to 1.4.2	2026-03-03 21:54:41 +08:00
Simon	f9722f0619	Merge branch 'main' of https://github.com/alibaba/page-agent	2026-03-03 21:53:35 +08:00
Simon	e1557a5d2e	Merge pull request #156 from hobostay/main fix(actions): remove debug console.log statements	2026-03-03 21:53:05 +08:00
Simon	06280c2ba5	chore(core): add wait time between steps for the page to react	2026-03-03 21:51:10 +08:00
Simon	645a7ceb52	feat(website): loading time optimize	2026-03-03 21:38:29 +08:00
hobostay	a47c72ce84	fix(actions): remove debug console.log statements Remove [SCROLL DEBUG] console.log statements that were left over from development in scrollVertically and scrollHorizontally functions. These debug statements should not be in production code.	2026-03-03 21:36:59 +08:00
Simon	dcc6cd1cf3	feat(website): reduce white screen time	2026-03-03 21:05:16 +08:00
Simon	b4b9f6ce2d	chore(version): bump version to 1.4.1	2026-03-03 20:56:24 +08:00
Simon	14e31e6ec4	Merge pull request #155 from alibaba/fix/panel-time fix(panel): remove timestamp (not well defined)	2026-03-03 20:55:26 +08:00
Simon	69f2478fd7	fix(panel): remove timestamp (not well defined)	2026-03-03 20:52:55 +08:00
dependabot[bot]	5fec6846b0	chore(deps-dev): bump vite-plugin-css-injected-by-js from 3.5.2 to 4.0.1 Bumps [vite-plugin-css-injected-by-js](https://github.com/marco-prontera/vite-plugin-css-injected-by-js) from 3.5.2 to 4.0.1. - [Release notes](https://github.com/marco-prontera/vite-plugin-css-injected-by-js/releases) - [Commits](https://github.com/marco-prontera/vite-plugin-css-injected-by-js/compare/v3.5.2...v4.0.1) --- updated-dependencies: - dependency-name: vite-plugin-css-injected-by-js dependency-version: 4.0.1 dependency-type: direct:development update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com>	2026-03-02 21:00:45 +00:00
Simon	fe792f1ceb	chore(docs): remove description files	2026-03-02 17:36:10 +08:00
Simon	d1d27a76de	style: homepage misc	2026-02-27 22:24:55 +08:00
Simon	3e7e99420a	docs: changelog	2026-02-27 22:05:55 +08:00