From a1f893f0c666679d03697a694d05bec7e0b62d55 Mon Sep 17 00:00:00 2001
From: yiliang114 <1204183885@qq.com>
Date: Sat, 20 Dec 2025 15:54:20 +0800
Subject: [PATCH] chore(chrome-qwen-bridge): connect

---
 packages/chrome-qwen-bridge/debug.sh          |  31 +-
 .../native-host/host-wrapper.sh               |  11 +
 .../chrome-qwen-bridge/native-host/host.js    | 827 +++++++++++-------
 3 files changed, 546 insertions(+), 323 deletions(-)
 create mode 100755 packages/chrome-qwen-bridge/native-host/host-wrapper.sh

diff --git a/packages/chrome-qwen-bridge/debug.sh b/packages/chrome-qwen-bridge/debug.sh
index bf890107..76f3445e 100755
--- a/packages/chrome-qwen-bridge/debug.sh
+++ b/packages/chrome-qwen-bridge/debug.sh
@@ -73,32 +73,18 @@ EOF
 
 echo -e "${GREEN}✓${NC} Native Host 已配置"
 
-# 第三步：检查 Qwen CLI（可选）
+# 第三步：检查 Qwen CLI
 echo -e "\n${BLUE}[3/5]${NC} 检查 Qwen CLI..."
 
 QWEN_AVAILABLE=false
 if command -v qwen &> /dev/null; then
     QWEN_AVAILABLE=true
-    echo -e "${GREEN}✓${NC} Qwen CLI $(qwen --version 2>/dev/null || echo "已安装")"
-
-    # 尝试启动 Qwen server
-    if ! lsof -i:8080 &> /dev/null; then
-        echo -e "${CYAN}→${NC} 启动 Qwen server (端口 8080)..."
-        qwen server --port 8080 > /tmp/qwen-server.log 2>&1 &
-        QWEN_PID=$!
-        sleep 2
-
-        if kill -0 $QWEN_PID 2>/dev/null; then
-            echo -e "${GREEN}✓${NC} Qwen server 已启动 (PID: $QWEN_PID)"
-        else
-            echo -e "${YELLOW}!${NC} Qwen server 启动失败，继续运行..."
-            QWEN_AVAILABLE=false
-        fi
-    else
-        echo -e "${YELLOW}!${NC} 端口 8080 已被占用"
-    fi
+    QWEN_VERSION=$(qwen --version 2>/dev/null || echo "已安装")
+    echo -e "${GREEN}✓${NC} Qwen CLI ${QWEN_VERSION}"
+    echo -e "${CYAN}→${NC} 使用 ACP 模式与 Chrome 插件通信"
 else
     echo -e "${YELLOW}!${NC} Qwen CLI 未安装（插件基础功能仍可使用）"
+    echo -e "   安装方法: npm install -g @anthropic-ai/qwen-code"
 fi
 
 # 第四步：启动测试页面
@@ -338,7 +324,7 @@ echo -e "   • 测试页面: ${BLUE}http://localhost:3000/qwen-test.html${NC}"
 echo -e "   • 插件: 已加载到工具栏"
 
 if [ "$QWEN_AVAILABLE" = true ]; then
-    echo -e "   • Qwen Server: ${BLUE}http://localhost:8080${NC}"
+    echo -e "   • Qwen CLI: 可用 (ACP 模式)"
 fi
 
 echo ""
@@ -347,10 +333,6 @@ echo -e "   • 插件日志: Chrome DevTools Console"
 echo -e "   • 后台脚本: chrome://extensions → Service Worker"
 echo -e "   • Native Host: /tmp/qwen-bridge-host.log"
 
-if [ "$QWEN_AVAILABLE" = true ]; then
-    echo -e "   • Qwen 日志: /tmp/qwen-server.log"
-fi
-
 echo ""
 echo -e "${YELLOW}按 Ctrl+C 停止所有服务${NC}"
 echo ""
@@ -361,7 +343,6 @@ cleanup() {
 
     # 停止进程
     [ ! -z "$TEST_PID" ] && kill $TEST_PID 2>/dev/null
-    [ ! -z "$QWEN_PID" ] && kill $QWEN_PID 2>/dev/null
 
     echo -e "${GREEN}✓${NC} 已停止所有服务"
     exit 0
diff --git a/packages/chrome-qwen-bridge/native-host/host-wrapper.sh b/packages/chrome-qwen-bridge/native-host/host-wrapper.sh
new file mode 100755
index 00000000..8b0564ee
--- /dev/null
+++ b/packages/chrome-qwen-bridge/native-host/host-wrapper.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# 添加必要的 PATH
+export PATH="/usr/local/bin:/Users/yiliang/.npm-global/bin:$PATH"
+
+LOG="/var/folders/sy/9mwf8c3n2b57__q35fyxwdhh0000gp/T/qwen-wrapper.log"
+echo "$(date): Wrapper started" >> "$LOG"
+echo "$(date): PATH=$PATH" >> "$LOG"
+
+# 使用完整路径运行 node
+exec /usr/local/bin/node "$(dirname "$0")/host.js" 2>> "$LOG"
diff --git a/packages/chrome-qwen-bridge/native-host/host.js b/packages/chrome-qwen-bridge/native-host/host.js
index 9c8bcfbd..420a419b 100755
--- a/packages/chrome-qwen-bridge/native-host/host.js
+++ b/packages/chrome-qwen-bridge/native-host/host.js
@@ -3,6 +3,7 @@
 /**
  * Native Messaging Host for Qwen CLI Bridge
  * This script acts as a bridge between the Chrome extension and Qwen CLI
+ * Uses ACP (Agent Communication Protocol) for communication with Qwen CLI
  */
 
 const { spawn } = require('child_process');
@@ -10,8 +11,31 @@ const fs = require('fs');
 const path = require('path');
 const os = require('os');
 
-// Native Messaging protocol helpers
-function sendMessage(message) {
+// ============================================================================
+// Logging
+// ============================================================================
+
+const LOG_FILE = path.join(os.tmpdir(), 'qwen-bridge-host.log');
+
+function log(message, level = 'INFO') {
+  const timestamp = new Date().toISOString();
+  const logLine = `[${timestamp}] [${level}] ${message}\n`;
+  fs.appendFileSync(LOG_FILE, logLine);
+}
+
+function logError(message) {
+  log(message, 'ERROR');
+}
+
+function logDebug(message) {
+  log(message, 'DEBUG');
+}
+
+// ============================================================================
+// Native Messaging Protocol (Chrome Extension <-> Native Host)
+// ============================================================================
+
+function sendMessageToExtension(message) {
   const buffer = Buffer.from(JSON.stringify(message));
   const length = Buffer.allocUnsafe(4);
   length.writeUInt32LE(buffer.length, 0);
@@ -20,56 +44,462 @@ function sendMessage(message) {
   process.stdout.write(buffer);
 }
 
-function readMessages() {
+function readMessagesFromExtension() {
   let messageLength = null;
   let chunks = [];
 
-  process.stdin.on('readable', () => {
-    let chunk;
+  // Keep stdin open and in flowing mode
+  process.stdin.resume();
 
-    while ((chunk = process.stdin.read()) !== null) {
-      chunks.push(chunk);
+  process.stdin.on('data', (chunk) => {
+    log(`Received ${chunk.length} bytes from extension`);
+    chunks.push(chunk);
+
+    while (true) {
       const buffer = Buffer.concat(chunks);
 
-      // Read message length if we haven't yet
+      // Need at least 4 bytes for length
       if (messageLength === null) {
-        if (buffer.length >= 4) {
-          messageLength = buffer.readUInt32LE(0);
-          chunks = [buffer.slice(4)];
-        }
+        if (buffer.length < 4) break;
+        messageLength = buffer.readUInt32LE(0);
+        chunks = [buffer.slice(4)];
+        log(`Message length: ${messageLength}`);
+        continue;
       }
 
-      // Read message if we have the full length
-      if (messageLength !== null) {
-        const fullBuffer = Buffer.concat(chunks);
+      // Check if we have the full message
+      const fullBuffer = Buffer.concat(chunks);
+      if (fullBuffer.length < messageLength) break;
 
-        if (fullBuffer.length >= messageLength) {
-          const messageBuffer = fullBuffer.slice(0, messageLength);
-          const message = JSON.parse(messageBuffer.toString());
+      // Extract and parse message
+      const messageBuffer = fullBuffer.slice(0, messageLength);
+      try {
+        const message = JSON.parse(messageBuffer.toString());
+        log(`Received message: ${JSON.stringify(message)}`);
 
-          // Reset for next message
-          chunks = [fullBuffer.slice(messageLength)];
-          messageLength = null;
+        // Reset for next message
+        chunks = [fullBuffer.slice(messageLength)];
+        messageLength = null;
 
-          // Handle the message
-          handleMessage(message);
-        }
+        // Handle the message
+        handleExtensionMessage(message);
+      } catch (err) {
+        logError(`Failed to parse message: ${err.message}`);
+        chunks = [fullBuffer.slice(messageLength)];
+        messageLength = null;
       }
     }
   });
 
   process.stdin.on('end', () => {
+    log('stdin ended');
+    cleanup();
     process.exit();
   });
+
+  process.stdin.on('error', (err) => {
+    logError(`stdin error: ${err.message}`);
+  });
 }
 
-// Qwen CLI process management
-let qwenProcess = null;
-let qwenStatus = 'disconnected';
-let qwenCapabilities = [];
+// ============================================================================
+// ACP Protocol (Native Host <-> Qwen CLI)
+// ============================================================================
+
+const ACP_PROTOCOL_VERSION = 1;
+
+class AcpConnection {
+  constructor() {
+    this.process = null;
+    this.status = 'disconnected';
+    this.sessionId = null;
+    this.pendingRequests = new Map();
+    this.nextRequestId = 1;
+    this.inputBuffer = '';
+  }
+
+  async start(cwd = process.cwd()) {
+    if (this.process) {
+      return { success: false, error: 'Qwen CLI is already running' };
+    }
+
+    try {
+      log(`Starting Qwen CLI with ACP mode in ${cwd}`);
+
+      this.process = spawn('qwen', ['--experimental-acp'], {
+        cwd,
+        shell: true,
+        windowsHide: true,
+        stdio: ['pipe', 'pipe', 'pipe']
+      });
+
+      if (!this.process || !this.process.pid) {
+        this.process = null;
+        this.status = 'stopped';
+        return { success: false, error: 'Failed to start Qwen CLI process' };
+      }
+
+      this.status = 'starting';
+
+      // Handle stdout (ACP messages from Qwen CLI)
+      this.process.stdout.on('data', (data) => {
+        this.handleAcpData(data.toString());
+      });
+
+      // Handle stderr (logs from Qwen CLI)
+      this.process.stderr.on('data', (data) => {
+        const message = data.toString().trim();
+        if (message) {
+          log(`Qwen stderr: ${message}`);
+        }
+      });
+
+      // Handle process exit
+      this.process.on('close', (code) => {
+        log(`Qwen CLI exited with code ${code}`);
+        this.process = null;
+        this.status = 'stopped';
+        this.sessionId = null;
+
+        // Reject all pending requests
+        for (const [id, { reject }] of this.pendingRequests) {
+          reject(new Error('Qwen CLI process exited'));
+        }
+        this.pendingRequests.clear();
+
+        sendMessageToExtension({
+          type: 'event',
+          data: { type: 'qwen_stopped', code }
+        });
+      });
+
+      this.process.on('error', (err) => {
+        logError(`Qwen CLI process error: ${err.message}`);
+        this.status = 'error';
+      });
+
+      // Initialize ACP connection
+      const initResult = await this.initialize();
+      if (!initResult.success) {
+        this.stop();
+        return initResult;
+      }
+
+      // Create a new session
+      const sessionResult = await this.createSession(cwd);
+      if (!sessionResult.success) {
+        this.stop();
+        return sessionResult;
+      }
+
+      this.status = 'running';
+      return {
+        success: true,
+        data: {
+          status: 'running',
+          pid: this.process.pid,
+          sessionId: this.sessionId,
+          agentInfo: initResult.data.agentInfo
+        }
+      };
+    } catch (error) {
+      logError(`Failed to start Qwen CLI: ${error.message}`);
+      return { success: false, error: error.message };
+    }
+  }
+
+  handleAcpData(data) {
+    this.inputBuffer += data;
+    const lines = this.inputBuffer.split('\n');
+    this.inputBuffer = lines.pop() || '';
+
+    for (const line of lines) {
+      const trimmed = line.trim();
+      if (!trimmed) continue;
+
+      try {
+        const message = JSON.parse(trimmed);
+        this.handleAcpMessage(message);
+      } catch (err) {
+        logError(`Failed to parse ACP message: ${trimmed}`);
+      }
+    }
+  }
+
+  handleAcpMessage(message) {
+    logDebug(`ACP received: ${JSON.stringify(message)}`);
+
+    // Handle response to our request
+    if ('id' in message && !('method' in message)) {
+      const pending = this.pendingRequests.get(message.id);
+      if (pending) {
+        this.pendingRequests.delete(message.id);
+        if ('result' in message) {
+          pending.resolve(message.result);
+        } else if ('error' in message) {
+          pending.reject(new Error(message.error.message || 'ACP error'));
+        }
+      }
+      return;
+    }
+
+    // Handle notification from Qwen CLI
+    if ('method' in message && !('id' in message)) {
+      this.handleAcpNotification(message.method, message.params);
+      return;
+    }
+
+    // Handle request from Qwen CLI (e.g., permission requests)
+    if ('method' in message && 'id' in message) {
+      this.handleAcpRequest(message.id, message.method, message.params);
+      return;
+    }
+  }
+
+  handleAcpNotification(method, params) {
+    switch (method) {
+      case 'session/update':
+        // Forward session updates to the extension
+        sendMessageToExtension({
+          type: 'event',
+          data: {
+            type: 'session_update',
+            sessionId: params.sessionId,
+            update: params.update
+          }
+        });
+        break;
+
+      case 'authenticate/update':
+        sendMessageToExtension({
+          type: 'event',
+          data: {
+            type: 'auth_update',
+            authUri: params._meta?.authUri
+          }
+        });
+        break;
+
+      default:
+        log(`Unknown ACP notification: ${method}`);
+    }
+  }
+
+  handleAcpRequest(id, method, params) {
+    switch (method) {
+      case 'session/request_permission':
+        // Forward permission request to extension
+        sendMessageToExtension({
+          type: 'permission_request',
+          requestId: id,
+          sessionId: params.sessionId,
+          toolCall: params.toolCall,
+          options: params.options
+        });
+        break;
+
+      case 'fs/read_text_file':
+        // Handle file read request
+        this.handleFileReadRequest(id, params);
+        break;
+
+      case 'fs/write_text_file':
+        // Handle file write request
+        this.handleFileWriteRequest(id, params);
+        break;
+
+      default:
+        log(`Unknown ACP request: ${method}`);
+        this.sendAcpResponse(id, { error: { code: -32601, message: 'Method not found' } });
+    }
+  }
+
+  handleFileReadRequest(id, params) {
+    try {
+      const content = fs.readFileSync(params.path, 'utf-8');
+      this.sendAcpResponse(id, { result: { content } });
+    } catch (err) {
+      this.sendAcpResponse(id, {
+        error: { code: -32000, message: `Failed to read file: ${err.message}` }
+      });
+    }
+  }
+
+  handleFileWriteRequest(id, params) {
+    try {
+      fs.writeFileSync(params.path, params.content, 'utf-8');
+      this.sendAcpResponse(id, { result: null });
+    } catch (err) {
+      this.sendAcpResponse(id, {
+        error: { code: -32000, message: `Failed to write file: ${err.message}` }
+      });
+    }
+  }
+
+  sendAcpMessage(message) {
+    if (!this.process || !this.process.stdin.writable) {
+      throw new Error('Qwen CLI is not running');
+    }
+
+    const json = JSON.stringify(message) + '\n';
+    logDebug(`ACP send: ${json.trim()}`);
+    this.process.stdin.write(json);
+  }
+
+  sendAcpRequest(method, params) {
+    return new Promise((resolve, reject) => {
+      const id = this.nextRequestId++;
+      this.pendingRequests.set(id, { resolve, reject });
+
+      try {
+        this.sendAcpMessage({
+          jsonrpc: '2.0',
+          id,
+          method,
+          params
+        });
+      } catch (err) {
+        this.pendingRequests.delete(id);
+        reject(err);
+      }
+
+      // Timeout after 30 seconds
+      setTimeout(() => {
+        if (this.pendingRequests.has(id)) {
+          this.pendingRequests.delete(id);
+          reject(new Error(`Request ${method} timed out`));
+        }
+      }, 30000);
+    });
+  }
+
+  sendAcpResponse(id, response) {
+    this.sendAcpMessage({
+      jsonrpc: '2.0',
+      id,
+      ...response
+    });
+  }
+
+  sendAcpNotification(method, params) {
+    this.sendAcpMessage({
+      jsonrpc: '2.0',
+      method,
+      params
+    });
+  }
+
+  async initialize() {
+    try {
+      const result = await this.sendAcpRequest('initialize', {
+        protocolVersion: ACP_PROTOCOL_VERSION,
+        clientCapabilities: {
+          fs: {
+            readTextFile: true,
+            writeTextFile: true
+          }
+        }
+      });
+
+      log(`Qwen CLI initialized: ${JSON.stringify(result)}`);
+      return { success: true, data: result };
+    } catch (err) {
+      logError(`Failed to initialize Qwen CLI: ${err.message}`);
+      return { success: false, error: err.message };
+    }
+  }
+
+  async createSession(cwd) {
+    try {
+      const result = await this.sendAcpRequest('session/new', {
+        cwd,
+        mcpServers: []
+      });
+
+      this.sessionId = result.sessionId;
+      log(`Session created: ${this.sessionId}`);
+      return { success: true, data: result };
+    } catch (err) {
+      logError(`Failed to create session: ${err.message}`);
+      return { success: false, error: err.message };
+    }
+  }
+
+  async prompt(text) {
+    if (!this.sessionId) {
+      return { success: false, error: 'No active session' };
+    }
+
+    try {
+      const result = await this.sendAcpRequest('session/prompt', {
+        sessionId: this.sessionId,
+        prompt: [{ type: 'text', text }]
+      });
+
+      return { success: true, data: result };
+    } catch (err) {
+      logError(`Prompt failed: ${err.message}`);
+      return { success: false, error: err.message };
+    }
+  }
+
+  async cancel() {
+    if (!this.sessionId) {
+      return { success: false, error: 'No active session' };
+    }
+
+    try {
+      this.sendAcpNotification('session/cancel', {
+        sessionId: this.sessionId
+      });
+      return { success: true };
+    } catch (err) {
+      return { success: false, error: err.message };
+    }
+  }
+
+  respondToPermission(requestId, optionId) {
+    this.sendAcpResponse(requestId, {
+      result: {
+        outcome: optionId ? { outcome: 'selected', optionId } : { outcome: 'cancelled' }
+      }
+    });
+  }
+
+  stop() {
+    if (!this.process) {
+      return { success: false, error: 'Qwen CLI is not running' };
+    }
+
+    try {
+      this.process.kill('SIGTERM');
+      this.process = null;
+      this.status = 'stopped';
+      this.sessionId = null;
+
+      return { success: true, data: 'Qwen CLI stopped' };
+    } catch (error) {
+      return { success: false, error: error.message };
+    }
+  }
+
+  getStatus() {
+    return {
+      status: this.status,
+      sessionId: this.sessionId,
+      pid: this.process?.pid || null
+    };
+  }
+}
+
+// ============================================================================
+// Global State
+// ============================================================================
+
+const acpConnection = new AcpConnection();
 
 // Check if Qwen CLI is installed
-function checkQwenInstallation() {
+async function checkQwenInstallation() {
   return new Promise((resolve) => {
     try {
       const checkProcess = spawn('qwen', ['--version'], {
@@ -77,255 +507,56 @@ function checkQwenInstallation() {
         windowsHide: true
       });
 
+      let output = '';
+      checkProcess.stdout.on('data', (data) => {
+        output += data.toString();
+      });
+
       checkProcess.on('error', () => {
-        resolve(false);
+        resolve({ installed: false });
       });
 
       checkProcess.on('close', (code) => {
-        resolve(code === 0);
+        if (code === 0) {
+          resolve({ installed: true, version: output.trim() });
+        } else {
+          resolve({ installed: false });
+        }
       });
 
-      // Timeout after 5 seconds
       setTimeout(() => {
         checkProcess.kill();
-        resolve(false);
+        resolve({ installed: false });
       }, 5000);
     } catch (error) {
-      resolve(false);
+      resolve({ installed: false });
     }
   });
 }
 
-// Start Qwen CLI process
-async function startQwenCli(config = {}) {
-  if (qwenProcess) {
-    return { success: false, error: 'Qwen CLI is already running' };
-  }
+// ============================================================================
+// Message Handlers
+// ============================================================================
 
-  try {
-    // Build command arguments
-    const args = [];
-
-    // Add MCP servers if specified
-    if (config.mcpServers && config.mcpServers.length > 0) {
-      for (const server of config.mcpServers) {
-        args.push('mcp', 'add', '--transport', 'http', server, `http://localhost:${config.httpPort || 8080}/mcp/${server}`);
-        args.push('&&');
-      }
-    }
-
-    // Start the CLI server
-    args.push('qwen', 'server');
-
-    if (config.httpPort) {
-      args.push('--port', String(config.httpPort));
-    }
-
-    // Spawn the process
-    qwenProcess = spawn(args.join(' '), {
-      shell: true,
-      windowsHide: true,
-      detached: false,
-      stdio: ['pipe', 'pipe', 'pipe']
-    });
-
-    // Check if process started successfully
-    if (!qwenProcess || !qwenProcess.pid) {
-      qwenProcess = null;
-      qwenStatus = 'stopped';
-      return {
-        success: false,
-        error: 'Failed to start Qwen CLI process'
-      };
-    }
-
-    qwenStatus = 'running';
-
-    // Handle process output
-    qwenProcess.stdout.on('data', (data) => {
-      const output = data.toString();
-      sendMessage({
-        type: 'event',
-        data: {
-          type: 'qwen_output',
-          content: output
-        }
-      });
-    });
-
-    qwenProcess.stderr.on('data', (data) => {
-      const error = data.toString();
-      sendMessage({
-        type: 'event',
-        data: {
-          type: 'qwen_error',
-          content: error
-        }
-      });
-    });
-
-    qwenProcess.on('close', (code) => {
-      qwenProcess = null;
-      qwenStatus = 'stopped';
-      sendMessage({
-        type: 'event',
-        data: {
-          type: 'qwen_stopped',
-          code: code
-        }
-      });
-    });
-
-    // Wait a bit for the process to start
-    await new Promise(resolve => setTimeout(resolve, 2000));
-
-    // Get capabilities
-    qwenCapabilities = await getQwenCapabilities();
-
-    return {
-      success: true,
-      data: {
-        status: 'running',
-        pid: qwenProcess && qwenProcess.pid ? qwenProcess.pid : null,
-        capabilities: qwenCapabilities
-      }
-    };
-  } catch (error) {
-    return {
-      success: false,
-      error: error.message
-    };
-  }
-}
-
-// Stop Qwen CLI process
-function stopQwenCli() {
-  if (!qwenProcess) {
-    return { success: false, error: 'Qwen CLI is not running' };
-  }
-
-  try {
-    qwenProcess.kill('SIGTERM');
-    qwenProcess = null;
-    qwenStatus = 'stopped';
-
-    return {
-      success: true,
-      data: 'Qwen CLI stopped'
-    };
-  } catch (error) {
-    return {
-      success: false,
-      error: error.message
-    };
-  }
-}
-
-// Get Qwen CLI capabilities (MCP servers, tools, etc.)
-async function getQwenCapabilities() {
-  return new Promise((resolve) => {
-    const checkProcess = spawn('qwen', ['mcp', 'list', '--json'], {
-      shell: true,
-      windowsHide: true
-    });
-
-    let output = '';
-
-    checkProcess.stdout.on('data', (data) => {
-      output += data.toString();
-    });
-
-    checkProcess.on('close', () => {
-      try {
-        const capabilities = JSON.parse(output);
-        resolve(capabilities);
-      } catch {
-        resolve([]);
-      }
-    });
-
-    checkProcess.on('error', () => {
-      resolve([]);
-    });
-
-    // Timeout after 5 seconds
-    setTimeout(() => {
-      checkProcess.kill();
-      resolve([]);
-    }, 5000);
-  });
-}
-
-// Send request to Qwen CLI via HTTP
-async function sendToQwenHttp(action, data, config = {}) {
-  const http = require('http');
-
-  const port = config.httpPort || 8080;
-  const hostname = 'localhost';
-
-  const postData = JSON.stringify({
-    action,
-    data
-  });
-
-  const options = {
-    hostname,
-    port,
-    path: '/api/process',
-    method: 'POST',
-    headers: {
-      'Content-Type': 'application/json',
-      'Content-Length': Buffer.byteLength(postData)
-    }
-  };
-
-  return new Promise((resolve, reject) => {
-    const req = http.request(options, (res) => {
-      let responseData = '';
-
-      res.on('data', (chunk) => {
-        responseData += chunk;
-      });
-
-      res.on('end', () => {
-        try {
-          const response = JSON.parse(responseData);
-          resolve(response);
-        } catch (error) {
-          reject(new Error('Invalid response from Qwen CLI'));
-        }
-      });
-    });
-
-    req.on('error', (error) => {
-      reject(error);
-    });
-
-    req.write(postData);
-    req.end();
-  });
-}
-
-// Handle messages from Chrome extension
-async function handleMessage(message) {
+async function handleExtensionMessage(message) {
+  log(`Received from extension: ${JSON.stringify(message)}`);
   let response;
 
   switch (message.type) {
     case 'handshake':
-      // Initial handshake with extension
-      const isInstalled = await checkQwenInstallation();
+      const installInfo = await checkQwenInstallation();
       response = {
         type: 'handshake_response',
         version: '1.0.0',
-        qwenInstalled: isInstalled,
-        qwenStatus: qwenStatus,
-        capabilities: qwenCapabilities
+        qwenInstalled: installInfo.installed,
+        qwenVersion: installInfo.version,
+        qwenStatus: acpConnection.getStatus().status
       };
       break;
 
     case 'start_qwen':
-      // Start Qwen CLI
-      const startResult = await startQwenCli(message.config);
+      const cwd = message.cwd || process.cwd();
+      const startResult = await acpConnection.start(cwd);
       response = {
         type: 'response',
         id: message.id,
@@ -334,8 +565,7 @@ async function handleMessage(message) {
       break;
 
     case 'stop_qwen':
-      // Stop Qwen CLI
-      const stopResult = stopQwenCli();
+      const stopResult = acpConnection.stop();
       response = {
         type: 'response',
         id: message.id,
@@ -343,43 +573,43 @@ async function handleMessage(message) {
       };
       break;
 
-    case 'qwen_request':
-      // Send request to Qwen CLI
-      try {
-        if (qwenStatus !== 'running') {
-          throw new Error('Qwen CLI is not running');
-        }
+    case 'qwen_prompt':
+      const promptResult = await acpConnection.prompt(message.text);
+      response = {
+        type: 'response',
+        id: message.id,
+        ...promptResult
+      };
+      break;
 
-        const qwenResponse = await sendToQwenHttp(
-          message.action,
-          message.data,
-          message.config
-        );
+    case 'qwen_cancel':
+      const cancelResult = await acpConnection.cancel();
+      response = {
+        type: 'response',
+        id: message.id,
+        ...cancelResult
+      };
+      break;
 
-        response = {
-          type: 'response',
-          id: message.id,
-          data: qwenResponse
-        };
-      } catch (error) {
-        response = {
-          type: 'response',
-          id: message.id,
-          error: error.message
-        };
-      }
+    case 'permission_response':
+      acpConnection.respondToPermission(message.requestId, message.optionId);
+      response = {
+        type: 'response',
+        id: message.id,
+        success: true
+      };
       break;
 
     case 'get_status':
-      // Get current status
+      const status = acpConnection.getStatus();
+      const installStatus = await checkQwenInstallation();
       response = {
         type: 'response',
         id: message.id,
         data: {
-          qwenInstalled: await checkQwenInstallation(),
-          qwenStatus: qwenStatus,
-          qwenPid: qwenProcess ? qwenProcess.pid : null,
-          capabilities: qwenCapabilities
+          ...status,
+          qwenInstalled: installStatus.installed,
+          qwenVersion: installStatus.version
         }
       };
       break;
@@ -392,30 +622,31 @@ async function handleMessage(message) {
       };
   }
 
-  sendMessage(response);
+  sendMessageToExtension(response);
+}
+
+// ============================================================================
+// Cleanup
+// ============================================================================
+
+function cleanup() {
+  log('Cleaning up...');
+  acpConnection.stop();
 }
 
-// Clean up on exit
 process.on('SIGINT', () => {
-  if (qwenProcess) {
-    qwenProcess.kill();
-  }
+  cleanup();
   process.exit();
 });
 
 process.on('SIGTERM', () => {
-  if (qwenProcess) {
-    qwenProcess.kill();
-  }
+  cleanup();
   process.exit();
 });
 
-// Log function for debugging (writes to a file since stdout is used for messaging)
-function log(message) {
-  const logFile = path.join(os.tmpdir(), 'qwen-bridge-host.log');
-  fs.appendFileSync(logFile, `[${new Date().toISOString()}] ${message}\n`);
-}
+// ============================================================================
+// Main
+// ============================================================================
 
-// Main execution
-log('Native host started');
-readMessages();
\ No newline at end of file
+log('Native host started (ACP mode)');
+readMessagesFromExtension();