v0.4.0: 工具与审批（业务工具骨架 + Approval Card）

apps/desktop/src/main/pi/agent-service.ts

@@ -13,6 +13,8 @@ import {
   type CreateAgentSessionRuntimeFactory,
   type SessionInfo
 } from '@earendil-works/pi-coding-agent'
+import { ApprovalService, createApprovalExtension } from './approval'
+import { demoTools, TOOLS_REQUIRING_APPROVAL } from '../tools/demo-tools'
 import type {
   AgentUiEvent,
   AppSettings,
@@ -41,6 +43,7 @@ export class AgentService {
   private attached: AgentSession | null = null
   private unsubscribeAttached: (() => void) | null = null
   private settings: AppSettings = { systemPrompt: '' }
+  readonly approvals = new ApprovalService()
 
   private get cwd(): string {
     return app.getPath('home')
@@ -74,6 +77,11 @@ export class AgentService {
     return () => this.listeners.delete(fn)
   }
 
+  /** 供 IPC 层主动广播事件（如审批结果同步到所有窗口） */
+  broadcastEvent(event: AgentUiEvent): void {
+    this.emit(event)
+  }
+
   private emit(event: AgentUiEvent): void {
     for (const fn of this.listeners) {
       try {
@@ -110,13 +118,23 @@ export class AgentService {
     const cwd = this.cwd
     const agentDir = getAgentDir()
     this.settings = this.loadSettings()
-    const initialServices = await createAgentSessionServices({
-      cwd,
-      agentDir,
-      resourceLoaderOptions: this.settings.systemPrompt.trim()
-        ? { systemPrompt: this.settings.systemPrompt }
-        : undefined
+    // 审批拦截：TOOLS_REQUIRING_APPROVAL 名单内的工具调用需经渲染层 Approval Card 确认
+    this.approvals.onRequest((request) => {
+      this.emit({ type: 'approval_request', request })
     })
+    this.approvals.onSettle((id, approved, timedOut) => {
+      this.emit({ type: 'approval_settled', id, approved, timedOut })
+    })
+    const buildServices = (targetCwd: string, targetAgentDir: string) =>
+      createAgentSessionServices({
+        cwd: targetCwd,
+        agentDir: targetAgentDir,
+        resourceLoaderOptions: {
+          ...(this.settings.systemPrompt.trim() ? { systemPrompt: this.settings.systemPrompt } : {}),
+          extensionFactories: [createApprovalExtension(this.approvals, TOOLS_REQUIRING_APPROVAL)]
+        }
+      })
+    const initialServices = await buildServices(cwd, agentDir)
 
     // 每次切换/新建时由 runtime 调用；cwd 变化时重建服务，否则复用
     const factory: CreateAgentSessionRuntimeFactory = async ({
@@ -128,8 +146,13 @@ export class AgentService {
       const services =
         nextCwd === initialServices.cwd && nextAgentDir === initialServices.agentDir
           ? initialServices
-          : await createAgentSessionServices({ cwd: nextCwd, agentDir: nextAgentDir })
-      const result = await createAgentSessionFromServices({ services, sessionManager, sessionStartEvent })
+          : await buildServices(nextCwd, nextAgentDir)
+      const result = await createAgentSessionFromServices({
+        services,
+        sessionManager,
+        sessionStartEvent,
+        customTools: demoTools
+      })
       return { ...result, services, diagnostics: services.diagnostics }
     }