feat: AI 命令执行实时流式推送到工作空间终端

- execWorkspaceCommand 新增 onOutput 回调，stdout/stderr 实时推送
- ipc.ts workspace:execTool 实时转发输出 + 发送 toolDone 完成通知
- 渲染进程 appendToolStreamOutput 流式显示，handleToolDone 显示退出状态
- 去掉 tool-handlers.ts 中的一次性完整输出推送
- 完整流程：用户确认 → 实时输出 → 完成通知 → AI 回复结果

src/main/ipc.ts

@@ -173,9 +173,17 @@ export function setupIPC(): void {
   });
 
   // 无超时工具命令执行（AI Tool Calling 集成）
-  ipcMain.handle('workspace:execTool', async (_, command: string, cwd?: string) => {
+  ipcMain.handle('workspace:execTool', async (event, command: string, cwd?: string) => {
     sendLog('info', `🔧 workspace:execTool`, `${command.slice(0, 200)} | cwd: ${cwd || '默认'}`);
-    return execWorkspaceCommand(command, cwd);
+
+    const result = await execWorkspaceCommand(command, cwd, (type, data) => {
+      // 实时推送到工作空间终端
+      event.sender.send('workspace:toolOutput', { command, type, data });
+    });
+
+    // 通知命令执行完毕
+    event.sender.send('workspace:toolDone', { command, exitCode: result.exitCode });
+    return result;
   });
 
   // 终止当前 AI 工具命令

src/main/preload.ts

@@ -63,9 +63,13 @@ contextBridge.exposeInMainWorld('metonaDesktop', {
     execTool: (command: string, cwd?: string) => ipcRenderer.invoke('workspace:execTool', command, cwd),
     /** 终止当前 AI 工具命令 */
     killTool: () => ipcRenderer.invoke('workspace:killTool'),
-    /** AI Tool Calling 命令输出 → 同步到工作空间终端 */
-    onToolOutput: (callback: (data: { command: string; stdout: string; stderr: string; exitCode: number | null }) => void) => {
-      ipcRenderer.on('workspace:toolOutput', (_: unknown, data: { command: string; stdout: string; stderr: string; exitCode: number | null }) => callback(data));
+    /** AI Tool Calling 实时输出推送到工作空间终端 */
+    onToolOutput: (callback: (data: { command: string; type: 'stdout' | 'stderr'; data: string }) => void) => {
+      ipcRenderer.on('workspace:toolOutput', (_: unknown, data: { command: string; type: 'stdout' | 'stderr'; data: string }) => callback(data));
+    },
+    /** AI Tool Calling 命令执行完毕 */
+    onToolDone: (callback: (data: { command: string; exitCode: number | null }) => void) => {
+      ipcRenderer.on('workspace:toolDone', (_: unknown, data: { command: string; exitCode: number | null }) => callback(data));
     }
   }
 });

src/main/tool-handlers.ts

@@ -6,7 +6,6 @@
 import * as fs from 'fs/promises';
 import * as path from 'path';
 import { checkPathAllowed, checkCommandAllowed } from './tool-security.js';
-import { mainWindow } from './main.js';
 import { execWorkspaceCommand } from './workspace.js';
 
 export interface ToolResult {
@@ -271,16 +270,6 @@ export async function handleRunCommand(params: { command: string; cwd?: string;
     // 通过 workspace 子进程执行，复用安全检查和进程管理
     const result = await execWorkspaceCommand(params.command, params.cwd);
 
-    // 将命令和输出同步推送到工作空间终端面板
-    if (mainWindow) {
-      mainWindow.webContents.send('workspace:toolOutput', {
-        command: params.command,
-        stdout: result.stdout,
-        stderr: result.stderr,
-        exitCode: result.exitCode
-      });
-    }
-
     return {
       success: result.success,
       stdout: result.stdout,

src/main/workspace.ts

@@ -211,7 +211,8 @@ export function getActiveProcessCount(): number {
  */
 export function execWorkspaceCommand(
   command: string,
-  cwd?: string
+  cwd?: string,
+  onOutput?: (type: 'stdout' | 'stderr', data: string) => void
 ): Promise<{ success: boolean; stdout: string; stderr: string; exitCode: number | null; duration: number; userTerminated: boolean; truncated: boolean }> {
   return new Promise((resolve) => {
     const workDir = cwd ? path.resolve(cwd) : _workspaceDir;
@@ -259,8 +260,9 @@ export function execWorkspaceCommand(
       _currentToolProcessId = cmdId;
 
       proc.stdout.on('data', (data: Buffer) => {
+        const str = data.toString();
         if (stdoutBuf.length < MAX_OUTPUT) {
-          stdoutBuf += data.toString();
+          stdoutBuf += str;
           if (stdoutBuf.length > MAX_OUTPUT) {
             stdoutBuf = stdoutBuf.slice(0, MAX_OUTPUT);
             truncated = true;
@@ -268,11 +270,14 @@ export function execWorkspaceCommand(
         } else {
           truncated = true;
         }
+        // 实时推送到渲染进程
+        onOutput?.('stdout', str);
       });
 
       proc.stderr.on('data', (data: Buffer) => {
+        const str = data.toString();
         if (stderrBuf.length < MAX_OUTPUT) {
-          stderrBuf += data.toString();
+          stderrBuf += str;
           if (stderrBuf.length > MAX_OUTPUT) {
             stderrBuf = stderrBuf.slice(0, MAX_OUTPUT);
             truncated = true;
@@ -280,6 +285,8 @@ export function execWorkspaceCommand(
         } else {
           truncated = true;
         }
+        // 实时推送到渲染进程
+        onOutput?.('stderr', str);
       });
 
       proc.on('close', (code) => {