docs: update advanced docs; rm best-practice

packages/website/src/components/APIReference.tsx

@@ -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>

packages/website/src/components/CodeEditor.tsx

@@ -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 && (

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

@@ -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',
 				},
 			],
 		},

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

@@ -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() {

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

@@ -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。'
+						? 'PageAgentCoreConfig = AgentConfig & { pageController: PageController }。AgentConfig 包含以下配置项：'
-						: 'Configure connection parameters for the language model. Supports OpenAI-compatible APIs.'}
+						: '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 */}
+				{/* Agent Config */}
-			<section className="mb-10">
+				<h3 className="text-lg font-semibold mt-6 mb-3 text-gray-800 dark:text-gray-200">
-				<Heading id="agentconfig">AgentConfig</Heading>
+					{isZh ? 'Agent 配置' : 'Agent Config'}
-				<p className="text-gray-600 dark:text-gray-400 mb-4">
+				</h3>
-					{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>
 				<APIReference
 					properties={[
 						{
@@ -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'
+								? '指导 Agent 行为的指令配置，见下方类型定义'
-								: 'Instructions to guide agent behavior',
+								: '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',
@@ -191,137 +229,52 @@ const result = await agent.execute('Fill in the form with test data')`}
 							defaultValue: 'false',
 							status: 'experimental',
 							description: isZh
-								? '从当前站点根目录获取 /llms.txt 并作为上下文提供给 LLM，每个 origin 仅请求一次'
+								? '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, fetched once per origin',
+								: 'Fetch /llms.txt from site origin and include as LLM context',
 						},
 					]}
 				/>
 
-				<h3 className="text-lg font-semibold mt-6 mb-3">InstructionsConfig</h3>
+				{/* Lifecycle Hooks */}
-				<APIReference
+				<h3 className="text-lg font-semibold mt-6 mb-3 text-gray-800 dark:text-gray-200">
-					properties={[
+					{isZh ? '生命周期钩子' : 'Lifecycle Hooks'}
-						{
+					<span className="ml-2 text-xs font-normal text-amber-600 dark:text-amber-400">
-							name: 'system',
+						experimental
-							type: 'string',
+					</span>
-							description: isZh
+				</h3>
-								? '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',
-						},
-					]}
-				/>
-			</section>
-
-			{/* Lifecycle Hooks */}
-			<section className="mb-10">
-				<Heading id="lifecycle-hooks">{isZh ? '生命周期钩子' : 'Lifecycle Hooks'}</Heading>
 				<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。'
+							? '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. Prefer using the Events system for monitoring agent state.'}
+							: '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',
 						},
 					]}
 				/>
@@ -378,16 +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'
@@ -452,11 +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[]
 }`}
 				/>
@@ -476,50 +434,21 @@ const result = await agent.execute('Fill in the form with test data')`}
 				/>
 			</section>
 
-			<APIDivider title={isZh ? '无头模式' : 'Headless Mode'} />
+			{/* InstructionsConfig */}
-
-			{/* Headless Usage */}
 			<section className="mb-10">
-				<Heading id="headless-mode">{isZh ? '无头模式' : 'Headless Mode'}</Heading>
+				<Heading id="instructionsconfig">InstructionsConfig</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>
 				<CodeEditor
 					language="typescript"
-					code={`import { PageAgentCore } from '@page-agent/core'
+					code={`interface InstructionsConfig {
-import type { PageController } from '@page-agent/page-controller'
+  /** Global system-level instructions, applied to all tasks */
+  system?: string
 
-class MyRemotePageController implements PageController {
+  /**
-  // Implement required methods for DOM extraction and interaction
+   * Dynamic page-level instructions callback.
-}
+   * Called before each step to get instructions for the current page.
-
+   */
-const agent = new PageAgentCore({
+  getPageInstructions?: (url: string) => string | undefined
-  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')`}
 				/>
 			</section>
 		</div>

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

@@ -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 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.'}
+					: '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
+							. All core methods and events are available. Config merges{' '}
-							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{' '}
 							<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
+								AgentConfig
-							</Link>
-							。
-						</>
-					) : (
-						<>
-							See{' '}
-							<Link
-								href="/advanced/page-agent-core"
-								className="text-blue-600 dark:text-blue-400 hover:underline"
-							>
-								PageAgentCore configuration docs
 							</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 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 access it via the panel property to control the 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">

packages/website/src/pages/docs/advanced/page-controller/page.tsx

@@ -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>
+	)
+}

packages/website/src/pages/docs/features/third-party-agent/page.tsx

@@ -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>
 	)
 }

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

@@ -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 ThirdPartyAgent from './features/third-party-agent/page'
-import SecurityPermissions from './integration/security-permissions/page'
-import ThirdPartyAgent from './integration/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">

packages/website/src/pages/docs/integration/best-practices/page.tsx

@@ -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>
-	)
-}

packages/website/src/pages/docs/introduction/limitations/page.tsx

@@ -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 */}
+				<p className="mb-2 font-medium">
-				<Heading id="page-quality-matters" className="text-2xl font-bold mb-3">
+					{isZh
-					{isZh ? '网页质量影响' : 'Page Quality Matters'}
+						? '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。'
-				</Heading>
+						: 'Page Agent does not use multimodal models, does not take screenshots, and has no visual capability. It reads pages through DOM structure only.'}
-				<div className="bg-gray-50 dark:bg-gray-800 rounded-lg p-6">
+				</p>
-					<p className="text-gray-600 dark:text-gray-300 text-sm">
+				<p className="mb-2 font-medium">
-						{isZh
+					{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。'
+						? '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。'
-							: 'Counter-intuitive interactions, visual-only cues, and rapidly appearing/disappearing elements reduce automation success. Semantic HTML and good accessibility significantly improve results.'}
+						: 'Images, Canvas, WebGL, SVG and other visual content cannot be recognized. Page semantic quality and accessibility directly affect AI accuracy.'}
-					</p>
+				</p>
-				</div>
+				<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>
 	)

packages/website/vite.config.js

@@ -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/advanced/security-permissions',
-	'docs/integration/best-practices',
-	'docs/integration/third-party-agent',
 ]
 
 function spaRoutes() {