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feat(ext): add includeInitialTab option; change main world API

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This commit is contained in:
Simon
2026-02-04 19:22:06 +08:00
parent 71ca554108
commit 9bd4a47d35
9 changed files with 250 additions and 222 deletions
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150
packages/extension/docs/extension_api.md
View File

@@ -33,7 +33,6 @@ import type {
AgentStatus,
ExecutionResult,
HistoricalEvent,
LLMConfig,
} from '@page-agent/core'
// Wait for extension injection (up to 1 second)
@@ -48,18 +47,13 @@ async function waitForExtension(timeout = 1000): Promise<boolean> {
// Usage
if (await waitForExtension()) {
const result = await window.PAGE_AGENT_EXT!.execute(
'Click the login button',
{
baseURL: 'https://api.openai.com/v1',
apiKey: 'your-api-key',
model: 'gpt-5.2',
},
{
onStatusChange: (status) => console.log('Status:', status),
onActivity: (activity) => console.log('Activity:', activity),
}
)
const result = await window.PAGE_AGENT_EXT!.execute('Click the login button', {
baseURL: 'https://api.openai.com/v1',
apiKey: 'your-api-key',
model: 'gpt-5.2',
onStatusChange: (status) => console.log('Status:', status),
onActivity: (activity) => console.log('Activity:', activity),
})
console.log('Result:', result)
}
```
@@ -76,7 +70,7 @@ Extension version string (e.g., `"1.0.0"`). This is exposed separately to allow
Main API namespace object containing:
#### `PAGE_AGENT_EXT.execute(task, llmConfig, hooks?)`
#### `PAGE_AGENT_EXT.execute(task, config)`
Execute an agent task.
@@ -85,8 +79,7 @@ Execute an agent task.
| Name | Type | Required | Description |
|------|------|----------|-------------|
| `task` | `string` | Yes | Task description |
| `llmConfig` | `LLMConfig` | Yes | LLM configuration |
| `hooks` | `ExecuteHooks` | No | Event callbacks |
| `config` | `ExecuteConfig` | Yes | Execution configuration (LLM settings, options, and event callbacks) |
**Returns:** `Promise<ExecutionResult>`
@@ -104,21 +97,26 @@ import type {
AgentStatus,
ExecutionResult,
HistoricalEvent,
LLMConfig,
} from '@page-agent/core'
export interface ExecuteHooks {
export interface ExecuteConfig {
baseURL: string
apiKey: string
model: string
/**
* Whether to include the initial tab (that holds this main world script) in the task.
* @default true
*/
includeInitialTab?: boolean
onStatusChange?: (status: AgentStatus) => void
onActivity?: (activity: AgentActivity) => void
onHistoryUpdate?: (history: HistoricalEvent[]) => void
onDispose?: () => void
}
export type Execute = (
task: string,
llmConfig: LLMConfig,
hooks?: ExecuteHooks
) => Promise<ExecutionResult>
export type Execute = (task: string, config: ExecuteConfig) => Promise<ExecutionResult>
```
### AgentStatus
@@ -164,16 +162,6 @@ type HistoricalEvent =
| { type: 'error'; message: string; rawResponse?: unknown }
```
### LLMConfig
```typescript
interface LLMConfig {
baseURL: string // e.g. 'https://api.openai.com/v1'
apiKey: string
model: string // e.g. 'gpt-5.2'
}
```
### ExecutionResult
```typescript
@@ -205,44 +193,63 @@ if (result.success) {
}
```
### With Event Hooks
### Exclude Initial Tab
By default, the agent includes the initial tab (where the script runs) in the task. Set `includeInitialTab: false` to exclude it:
```typescript
await window.PAGE_AGENT_EXT!.execute(
'Navigate to the settings page',
llmConfig,
const result = await window.PAGE_AGENT_EXT!.execute(
'Open a new tab and search for page-agent on GitHub',
{
onStatusChange: (status) => {
updateUI({ agentStatus: status })
},
onActivity: (activity) => {
switch (activity.type) {
case 'thinking':
showSpinner('Agent is thinking...')
break
case 'executing':
showSpinner(`Executing: ${activity.tool}`)
break
case 'executed':
log(`${activity.tool} completed in ${activity.duration}ms`)
break
case 'error':
showError(activity.message)
break
}
},
onHistoryUpdate: (history) => {
renderHistory(history)
},
baseURL: 'https://api.openai.com/v1',
apiKey: process.env.OPENAI_API_KEY!,
model: 'gpt-5.2',
includeInitialTab: false, // Agent will open new tabs only
}
)
```
### With Event Callbacks
```typescript
await window.PAGE_AGENT_EXT!.execute('Navigate to the settings page', {
baseURL: 'https://api.openai.com/v1',
apiKey: process.env.OPENAI_API_KEY!,
model: 'gpt-5.2',
onStatusChange: (status) => {
updateUI({ agentStatus: status })
},
onActivity: (activity) => {
switch (activity.type) {
case 'thinking':
showSpinner('Agent is thinking...')
break
case 'executing':
showSpinner(`Executing: ${activity.tool}`)
break
case 'executed':
log(`${activity.tool} completed in ${activity.duration}ms`)
break
case 'error':
showError(activity.message)
break
}
},
onHistoryUpdate: (history) => {
renderHistory(history)
},
})
```
### Stop Execution
```typescript
// Start a task
window.PAGE_AGENT_EXT!.execute('Scroll through all pages', llmConfig)
window.PAGE_AGENT_EXT!.execute('Scroll through all pages', {
baseURL: 'https://api.openai.com/v1',
apiKey: process.env.OPENAI_API_KEY!,
model: 'gpt-5.2',
})
// Later, stop it
window.PAGE_AGENT_EXT!.dispose()
@@ -258,24 +265,25 @@ import type {
AgentStatus,
ExecutionResult,
HistoricalEvent,
LLMConfig,
} from '@page-agent/core'
interface ExecuteConfig {
baseURL: string
apiKey: string
model: string
includeInitialTab?: boolean
onStatusChange?: (status: AgentStatus) => void
onActivity?: (activity: AgentActivity) => void
onHistoryUpdate?: (history: HistoricalEvent[]) => void
onDispose?: () => void
}
declare global {
interface Window {
PAGE_AGENT_EXT_VERSION?: string
PAGE_AGENT_EXT?: {
version: string
execute: (
task: string,
llmConfig: LLMConfig,
hooks?: {
onStatusChange?: (status: AgentStatus) => void
onActivity?: (activity: AgentActivity) => void
onHistoryUpdate?: (history: HistoricalEvent[]) => void
onDispose?: () => void
}
) => Promise<ExecutionResult>
execute: (task: string, config: ExecuteConfig) => Promise<ExecutionResult>
dispose: () => void
}
}

154
packages/extension/docs/extension_api_zh.md
View File

@@ -33,7 +33,6 @@ import type {
AgentStatus,
ExecutionResult,
HistoricalEvent,
LLMConfig,
} from '@page-agent/core'
// 等待插件注入（最多 1 秒）
@@ -48,18 +47,13 @@ async function waitForExtension(timeout = 1000): Promise<boolean> {
// 使用
if (await waitForExtension()) {
const result = await window.PAGE_AGENT_EXT!.execute(
'点击登录按钮',
{
baseURL: 'https://api.openai.com/v1',
apiKey: 'your-api-key',
model: 'gpt-5.2',
},
{
onStatusChange: (status) => console.log('状态:', status),
onActivity: (activity) => console.log('活动:', activity),
}
)
const result = await window.PAGE_AGENT_EXT!.execute('点击登录按钮', {
baseURL: 'https://api.openai.com/v1',
apiKey: 'your-api-key',
model: 'gpt-5.2',
onStatusChange: (status) => console.log('状态:', status),
onActivity: (activity) => console.log('活动:', activity),
})
console.log('结果:', result)
}
```
@@ -76,7 +70,7 @@ if (await waitForExtension()) {
主 API 命名空间对象，包含：
#### `PAGE_AGENT_EXT.execute(task, llmConfig, hooks?)`
#### `PAGE_AGENT_EXT.execute(task, config)`
执行 Agent 任务。
@@ -85,8 +79,7 @@ if (await waitForExtension()) {
| 名称 | 类型 | 必填 | 说明 |
|------|------|------|------|
| `task` | `string` | 是 | 任务描述 |
| `llmConfig` | `LLMConfig` | 是 | LLM 配置 |
| `hooks` | `ExecuteHooks` | 否 | 事件回调 |
| `config` | `ExecuteConfig` | 是 | 执行配置（LLM 设置、选项和事件回调） |
**返回：** `Promise<ExecutionResult>`
@@ -104,21 +97,26 @@ import type {
AgentStatus,
ExecutionResult,
HistoricalEvent,
LLMConfig,
} from '@page-agent/core'
export interface ExecuteHooks {
export interface ExecuteConfig {
baseURL: string
apiKey: string
model: string
/**
* 是否将初始标签页（运行此脚本的页面）包含在任务中。
* @default true
*/
includeInitialTab?: boolean
onStatusChange?: (status: AgentStatus) => void
onActivity?: (activity: AgentActivity) => void
onHistoryUpdate?: (history: HistoricalEvent[]) => void
onDispose?: () => void
}
export type Execute = (
task: string,
llmConfig: LLMConfig,
hooks?: ExecuteHooks
) => Promise<ExecutionResult>
export type Execute = (task: string, config: ExecuteConfig) => Promise<ExecutionResult>
```
### AgentStatus
@@ -164,16 +162,6 @@ type HistoricalEvent =
| { type: 'error'; message: string; rawResponse?: unknown }
```
### LLMConfig
```typescript
interface LLMConfig {
baseURL: string // 例如 'https://api.openai.com/v1'
apiKey: string
model: string // 例如 'gpt-5.2'
}
```
### ExecutionResult
```typescript
@@ -205,44 +193,63 @@ if (result.success) {
}
```
### 排除初始标签页
默认情况下，Agent 会将初始标签页（运行脚本的页面）包含在任务中。设置 `includeInitialTab: false` 可以排除它：
```typescript
const result = await window.PAGE_AGENT_EXT!.execute(
'打开新标签页并在 GitHub 上搜索 page-agent',
{
baseURL: 'https://api.openai.com/v1',
apiKey: process.env.OPENAI_API_KEY!,
model: 'gpt-5.2',
includeInitialTab: false, // Agent 只会打开新标签页
}
)
```
### 使用事件回调
```typescript
await window.PAGE_AGENT_EXT!.execute(
'导航到设置页面',
llmConfig,
{
onStatusChange: (status) => {
updateUI({ agentStatus: status })
},
onActivity: (activity) => {
switch (activity.type) {
case 'thinking':
showSpinner('Agent 正在思考...')
break
case 'executing':
showSpinner(`正在执行: ${activity.tool}`)
break
case 'executed':
log(`${activity.tool} 完成，耗时 ${activity.duration}ms`)
break
case 'error':
showError(activity.message)
break
}
},
onHistoryUpdate: (history) => {
renderHistory(history)
},
}
)
await window.PAGE_AGENT_EXT!.execute('导航到设置页面', {
baseURL: 'https://api.openai.com/v1',
apiKey: process.env.OPENAI_API_KEY!,
model: 'gpt-5.2',
onStatusChange: (status) => {
updateUI({ agentStatus: status })
},
onActivity: (activity) => {
switch (activity.type) {
case 'thinking':
showSpinner('Agent 正在思考...')
break
case 'executing':
showSpinner(`正在执行: ${activity.tool}`)
break
case 'executed':
log(`${activity.tool} 完成，耗时 ${activity.duration}ms`)
break
case 'error':
showError(activity.message)
break
}
},
onHistoryUpdate: (history) => {
renderHistory(history)
},
})
```
### 停止执行
```typescript
// 启动任务
window.PAGE_AGENT_EXT!.execute('滚动浏览所有页面', llmConfig)
window.PAGE_AGENT_EXT!.execute('滚动浏览所有页面', {
baseURL: 'https://api.openai.com/v1',
apiKey: process.env.OPENAI_API_KEY!,
model: 'gpt-5.2',
})
// 稍后停止
window.PAGE_AGENT_EXT!.dispose()
@@ -258,24 +265,25 @@ import type {
AgentStatus,
ExecutionResult,
HistoricalEvent,
LLMConfig,
} from '@page-agent/core'
interface ExecuteConfig {
baseURL: string
apiKey: string
model: string
includeInitialTab?: boolean
onStatusChange?: (status: AgentStatus) => void
onActivity?: (activity: AgentActivity) => void
onHistoryUpdate?: (history: HistoricalEvent[]) => void
onDispose?: () => void
}
declare global {
interface Window {
PAGE_AGENT_EXT_VERSION?: string
PAGE_AGENT_EXT?: {
version: string
execute: (
task: string,
llmConfig: LLMConfig,
hooks?: {
onStatusChange?: (status: AgentStatus) => void
onActivity?: (activity: AgentActivity) => void
onHistoryUpdate?: (history: HistoricalEvent[]) => void
onDispose?: () => void
}
) => Promise<ExecutionResult>
execute: (task: string, config: ExecuteConfig) => Promise<ExecutionResult>
dispose: () => void
}
}

2
packages/extension/package.json
View File

@@ -1,7 +1,7 @@
{
"name": "@page-agent/ext",
"private": true,
"version": "0.1.2",
"version": "0.1.3",
"type": "module",
"scripts": {
"dev": "wxt",

7
packages/extension/src/agent/MultiPageAgent.ts
View File

@@ -17,7 +17,7 @@ function detectLanguage(): 'en-US' | 'zh-CN' {
* - can be used from a side panel or a content script
*/
export class MultiPageAgent extends PageAgentCore {
constructor(config: Omit<PageAgentConfig, 'pageController'>) {
constructor(config: Omit<PageAgentConfig, 'pageController'> & { includeInitialTab?: boolean }) {
// multi page controller
const tabsController = new TabsController()
const pageController = new RemotePageController(tabsController)
@@ -31,6 +31,9 @@ export class MultiPageAgent extends PageAgentCore {
`Default working language: **${targetLanguage}**`
)
// include initial tab for controlling
const includeInitialTab = config.includeInitialTab ?? true
/**
* When the agent is in side-panel and user closed the side-panel.
* There is no chance for isAgentRunning to be set false.
@@ -47,7 +50,7 @@ export class MultiPageAgent extends PageAgentCore {
customSystemPrompt: systemPrompt,
onBeforeTask: async (agent) => {
await tabsController.init(agent.task)
await tabsController.init(agent.task, includeInitialTab)
heartBeatInterval = window.setInterval(() => {
chrome.storage.local.set({

20
packages/extension/src/agent/TabsController.ts
View File

@@ -12,7 +12,7 @@ export class TabsController extends EventTarget {
private task: string = ''
private windowId: number | null = null
async init(task: string) {
async init(task: string, includeInitialTab: boolean = true) {
this.task = task
this.tabs = []
this.currentTabId = null
@@ -26,17 +26,19 @@ export class TabsController extends EventTarget {
})
this.initialTabId = result.tabId
this.currentTabId = result.tabId
this.tabs.push({
id: result.tabId,
isInitial: true,
})
if (!this.initialTabId) {
throw new Error('Failed to get initial tab ID')
}
if (includeInitialTab) {
this.currentTabId = this.initialTabId
this.tabs.push({
id: result.tabId,
isInitial: true,
})
}
await this.updateCurrentTabId(this.currentTabId)
const tabChangeHandler = (message: any): void => {
@@ -230,6 +232,10 @@ export class TabsController extends EventTarget {
`| ${tab.id} | ${url} | ${title} | ${this.currentTabId === tab.id ? '✅' : ''} |`
)
}
if (!this.tabs.length) {
summaries.push('\nNo tabs available. Open a tab if needed.')
}
return summaries.join('\n')
}

4
packages/extension/src/entrypoints/content.ts
View File

@@ -69,11 +69,11 @@ async function exposeAgentToPage() {
}
try {
const { task, llmConfig } = payload
const { task, config } = payload
// create when used
multiPageAgent = new MultiPageAgent(llmConfig)
multiPageAgent = new MultiPageAgent(config)
// events

63
packages/extension/src/entrypoints/main-world.ts
View File

@@ -1,19 +1,24 @@
import type { AgentActivity, AgentStatus, ExecutionResult, HistoricalEvent } from '@page-agent/core'
import type { LLMConfig } from '@page-agent/llms'
export interface ExecuteHooks {
export type Execute = (task: string, config: ExecuteConfig) => Promise<ExecutionResult>
export interface ExecuteConfig {
baseURL: string
apiKey: string
model: string
/**
* Whether to include the initial tab (that holds this main world script) in the task.
* @default true
*/
includeInitialTab?: boolean
onStatusChange?: (status: AgentStatus) => void
onActivity?: (activity: AgentActivity) => void
onHistoryUpdate?: (history: HistoricalEvent[]) => void
onDispose?: () => void
}
export type Execute = (
task: string,
llmConfig: LLMConfig,
hooks?: ExecuteHooks
) => Promise<ExecutionResult>
export default defineUnlistedScript(() => {
let _lastId = 0
function getId() {
@@ -21,13 +26,13 @@ export default defineUnlistedScript(() => {
return _lastId
}
const execute: Execute = async (task, llmConfig, hooks) => {
const execute: Execute = async (task, config) => {
if (typeof task !== 'string') throw new Error('Task must be a string')
if (task.trim().length === 0) throw new Error('Task cannot be empty')
if (!llmConfig) throw new Error('LLM config is required')
if (!llmConfig.baseURL) throw new Error('LLM config must have a baseURL')
if (!llmConfig.apiKey) throw new Error('LLM config must have an apiKey')
if (!llmConfig.model) throw new Error('LLM config must have a model')
if (!config) throw new Error('Config is required')
if (!config.baseURL) throw new Error('Config must have a baseURL')
if (!config.apiKey) throw new Error('Config must have an apiKey')
if (!config.model) throw new Error('Config must have a model')
const id = getId()
@@ -40,30 +45,31 @@ export default defineUnlistedScript(() => {
// events
if (data.action === 'status_change_event' && hooks?.onStatusChange) {
hooks.onStatusChange(data.payload)
if (data.action === 'status_change_event' && config.onStatusChange) {
config.onStatusChange(data.payload)
return
}
if (data.action === 'activity_event' && hooks?.onActivity) {
hooks.onActivity(data.payload)
if (data.action === 'activity_event' && config.onActivity) {
config.onActivity(data.payload)
return
}
if (data.action === 'history_change_event' && hooks?.onHistoryUpdate) {
hooks.onHistoryUpdate(data.payload)
if (data.action === 'history_change_event' && config.onHistoryUpdate) {
config.onHistoryUpdate(data.payload)
return
}
if (data.action === 'dispose_event' && hooks?.onDispose) {
hooks.onDispose()
if (data.action === 'dispose_event' && config.onDispose) {
config.onDispose()
window.removeEventListener('message', handleMessage)
return
}
// result
if (data.action !== 'execute_result') return
// execute_result
window.removeEventListener('message', handleMessage)
if (data.error) {
@@ -73,6 +79,7 @@ export default defineUnlistedScript(() => {
}
}
// @note will be removed on dispose or result
window.addEventListener('message', handleMessage)
})
@@ -81,7 +88,15 @@ export default defineUnlistedScript(() => {
channel: 'PAGE_AGENT_EXT_REQUEST',
id,
action: 'execute',
payload: { task, llmConfig },
payload: {
task,
config: {
baseURL: config.baseURL,
apiKey: config.apiKey,
model: config.model,
includeInitialTab: config.includeInitialTab,
},
},
},
'*'
)