560 lines
23 KiB
JavaScript
560 lines
23 KiB
JavaScript
const express = require('express');
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const router = express.Router();
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const { v4: uuidv4 } = require('uuid');
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const volcengine = require('../services/volcengine');
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const VoiceChatConfigBuilder = require('../config/voiceChatConfig');
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const ToolExecutor = require('../services/toolExecutor');
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const DEFAULT_TOOLS = require('../config/tools');
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const db = require('../db');
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const activeSessions = new Map();
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const completedSessions = new Map();
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const roomToBotUserId = new Map();
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const roomToHumanUserId = new Map();
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const roomToSessionId = new Map();
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const roomToTaskId = new Map();
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const latestUserSpeech = new Map();
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const toolCallBuffers = new Map();
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router.get('/config', (req, res) => {
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res.json({
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success: true,
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data: {
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models: [
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{ value: '1.2.1.0', label: 'O2.0（推荐，精品音质）' },
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{ value: 'O', label: 'O（基础版）' },
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{ value: '2.2.0.0', label: 'SC2.0（推荐，声音复刻）' },
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{ value: 'SC', label: 'SC（基础版）' },
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],
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speakers: [
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{ value: 'zh_female_vv_jupiter_bigtts', label: 'VV（活泼女声）', series: 'O' },
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{ value: 'zh_female_xiaohe_jupiter_bigtts', label: '小禾（甜美女声·台湾口音）', series: 'O' },
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{ value: 'zh_male_yunzhou_jupiter_bigtts', label: '云舟（沉稳男声）', series: 'O' },
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{ value: 'zh_male_xiaotian_jupiter_bigtts', label: '小天（磁性男声）', series: 'O' },
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{ value: 'saturn_common_female_1', label: 'Saturn 女声1', series: 'SC2.0' },
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{ value: 'saturn_common_male_1', label: 'Saturn 男声1', series: 'SC2.0' },
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{ value: 'ICL_common_female_1', label: 'ICL 女声1', series: 'SC' },
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{ value: 'ICL_common_male_1', label: 'ICL 男声1', series: 'SC' },
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],
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tools: DEFAULT_TOOLS.map((t) => ({
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name: t.function.name,
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description: t.function.description,
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})),
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},
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});
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});
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router.post('/prepare', async (req, res) => {
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try {
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const { userId } = req.body;
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if (!userId) {
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return res.status(400).json({ success: false, error: 'userId is required' });
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}
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const sessionId = uuidv4();
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const roomId = `room_${sessionId.slice(0, 8)}`;
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const taskId = `task_${sessionId.slice(0, 8)}_${Date.now()}`;
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const rtcToken = volcengine.generateRTCToken(roomId, userId);
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activeSessions.set(sessionId, {
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roomId,
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taskId,
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userId,
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startTime: Date.now(),
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subtitles: [],
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started: false,
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});
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roomToTaskId.set(roomId, taskId);
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roomToSessionId.set(roomId, sessionId);
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console.log(`[Voice] Session prepared: ${sessionId}, room: ${roomId}, user: ${userId}`);
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try { await db.createSession(sessionId, userId, 'voice'); } catch (e) { console.warn('[DB] createSession failed:', e.message); }
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res.json({
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success: true,
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data: {
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sessionId,
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roomId,
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taskId,
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rtcToken,
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rtcAppId: process.env.VOLC_RTC_APP_ID,
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},
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});
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} catch (error) {
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console.error('[Voice] Prepare failed:', error.message);
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res.status(500).json({ success: false, error: error.message });
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}
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});
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router.post('/start', async (req, res) => {
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let session = null;
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try {
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const {
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sessionId,
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botName,
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systemRole,
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speakingStyle,
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modelVersion,
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speaker,
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enableWebSearch,
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chatHistory,
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} = req.body;
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if (!sessionId) {
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return res.status(400).json({ success: false, error: 'sessionId is required' });
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}
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session = activeSessions.get(sessionId);
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if (!session) {
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return res.status(404).json({ success: false, error: 'Session not found' });
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}
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if (session.started) {
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return res.json({ success: true, data: { message: 'Already started' } });
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}
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let effectiveChatHistory = chatHistory;
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if ((!chatHistory || chatHistory.length === 0) && sessionId) {
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try {
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const dbHistory = await db.getHistoryForLLM(sessionId, 20);
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if (dbHistory.length > 0) {
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effectiveChatHistory = dbHistory;
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console.log(`[Voice] Loaded ${dbHistory.length} messages from DB for session ${sessionId}`);
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}
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} catch (e) { console.warn('[DB] getHistoryForLLM failed:', e.message); }
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}
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console.log(`[Voice] chatHistory: ${effectiveChatHistory ? effectiveChatHistory.length : 'undefined'} messages`);
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const { config, botUserId } = VoiceChatConfigBuilder.build({
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roomId: session.roomId,
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taskId: session.taskId,
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userId: session.userId,
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botName,
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systemRole,
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speakingStyle,
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modelVersion,
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speaker,
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tools: DEFAULT_TOOLS,
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enableWebSearch,
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chatHistory: effectiveChatHistory,
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});
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session.botUserId = botUserId;
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roomToBotUserId.set(session.roomId, botUserId);
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roomToHumanUserId.set(session.roomId, session.userId);
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console.log(`[Voice] room=${session.roomId} botUserId=${botUserId} humanUserId=${session.userId}`);
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const result = await volcengine.startVoiceChat(config);
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session.started = true;
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// 捕获服务端可能分配的不同 TaskId
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const serverTaskId = result?.Result?.TaskId || result?.Result?.task_id;
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if (serverTaskId && serverTaskId !== session.taskId) {
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console.log(`[Voice] Server assigned different TaskId: ${serverTaskId} (ours: ${session.taskId})`);
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roomToTaskId.set(session.roomId, serverTaskId);
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session.taskId = serverTaskId;
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}
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console.log(`[Voice] Session started: ${sessionId}, TaskId=${session.taskId}`);
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res.json({
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success: true,
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data: { startResult: result },
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});
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} catch (error) {
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const detail = error.response?.data || error.message;
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console.error('[Voice] Start failed:', JSON.stringify(detail, null, 2));
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if (session) {
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try {
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await volcengine.stopVoiceChat({
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AppId: process.env.VOLC_RTC_APP_ID,
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RoomId: session.roomId,
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TaskId: session.taskId,
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});
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console.log(`[Voice] Stopped failed session`);
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} catch (stopErr) {
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console.warn('[Voice] Stop failed during error handling:', stopErr.message);
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}
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}
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res.status(500).json({ success: false, error: typeof detail === 'string' ? detail : JSON.stringify(detail) });
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}
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});
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router.post('/stop', async (req, res) => {
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try {
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const { sessionId } = req.body;
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const session = activeSessions.get(sessionId);
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if (session) {
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await volcengine.stopVoiceChat({
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AppId: process.env.VOLC_RTC_APP_ID,
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RoomId: session.roomId,
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TaskId: session.taskId,
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});
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const duration = Math.floor((Date.now() - session.startTime) / 1000);
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console.log(`[Voice] Session stopped: ${sessionId}, duration: ${duration}s, subtitles: ${session.subtitles.length}`);
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if (session.subtitles.length > 0) {
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completedSessions.set(sessionId, {
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subtitles: session.subtitles,
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duration,
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endTime: Date.now(),
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});
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setTimeout(() => completedSessions.delete(sessionId), 30 * 60 * 1000);
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}
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activeSessions.delete(sessionId);
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roomToTaskId.delete(session.roomId);
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roomToSessionId.delete(session.roomId);
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roomToBotUserId.delete(session.roomId);
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roomToHumanUserId.delete(session.roomId);
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res.json({
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success: true,
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data: {
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duration,
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subtitleCount: session.subtitles.length,
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subtitles: session.subtitles,
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},
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});
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} else {
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res.json({ success: true, data: { message: 'Session not found or already stopped' } });
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}
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} catch (error) {
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console.error('[Voice] Stop failed:', error.message);
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res.status(500).json({ success: false, error: error.message });
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}
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});
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router.post('/subtitle', (req, res) => {
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try {
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const { sessionId, roomId, text, role, definite, sequence } = req.body;
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const session = activeSessions.get(sessionId);
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if (definite && text) {
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const subtitleRole = role === 'user' ? 'user' : 'assistant';
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if (session) {
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session.subtitles.push({ text, role: subtitleRole, timestamp: Date.now(), sequence });
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}
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const sid = sessionId || (session && roomToSessionId.get(session.roomId));
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if (sid) {
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const source = subtitleRole === 'user' ? 'voice_asr' : 'voice_bot';
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db.addMessage(sid, subtitleRole, text, source).catch(e => console.warn('[DB] addMessage failed:', e.message));
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}
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if (subtitleRole === 'user') {
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const rid = roomId || (session && session.roomId) || '';
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if (rid) {
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latestUserSpeech.set(rid, { text, timestamp: Date.now() });
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console.log(`[Subtitle][user][${rid}] "${text}"`);
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}
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} else {
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console.log(`[Subtitle][assistant] ${text}`);
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}
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}
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res.json({ success: true });
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} catch (error) {
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console.error('[Subtitle] Error:', error.message);
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res.status(500).json({ success: false, error: error.message });
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}
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});
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router.get('/subtitles/:sessionId', (req, res) => {
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const session = activeSessions.get(req.params.sessionId);
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res.json({
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success: true,
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data: session ? session.subtitles : [],
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});
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});
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function extractReadableText(chunks) {
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const raw = chunks.join('');
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let decoded = raw;
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try {
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decoded = decoded.replace(/\\\\u([0-9a-fA-F]{4})/g, (_, hex) => {
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return String.fromCharCode(parseInt(hex, 16));
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});
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decoded = decoded.replace(/\\u([0-9a-fA-F]{4})/g, (_, hex) => {
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return String.fromCharCode(parseInt(hex, 16));
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});
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} catch (e) { }
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const chineseChars = decoded.match(/[\u4e00-\u9fff\u3400-\u4dbf]+/g) || [];
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const skipWords = new Set(['id', 'type', 'function', 'name', 'arguments', 'query', 'object', 'string']);
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const englishWords = (decoded.match(/[a-zA-Z]{2,}/g) || [])
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.filter(w => !skipWords.has(w.toLowerCase()));
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const parts = [...chineseChars, ...englishWords];
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const result = parts.join(' ').trim();
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console.log(`[FC] extractReadableText: chinese=[${chineseChars.join(',')}] english=[${englishWords.join(',')}] → "${result}"`);
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return result;
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}
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let fcCallbackSeq = 0;
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router.post('/fc_callback', async (req, res) => {
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try {
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const body = req.body;
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if (!body || typeof body !== 'object' || Object.keys(body).length === 0) {
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console.error('[FC] Empty body');
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return res.status(400).json({ success: false, error: 'Empty body' });
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}
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const { Message, Signature, Type, RoomID, TaskID, TaskType, AppID, AppId, room_id, task_id, roomId, taskId } = body;
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const effectiveRoomId = RoomID || room_id || roomId;
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const effectiveTaskId = TaskID || task_id || taskId;
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const effectiveAppId = AppID || AppId || process.env.VOLC_RTC_APP_ID;
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const seq = body._seq || ++fcCallbackSeq;
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console.log(`[FC] >>> Callback received: seq=${seq} Type="${Type}" Room=${effectiveRoomId} Task=${effectiveTaskId} TaskType=${TaskType}`);
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let msgObj = null;
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try {
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msgObj = typeof Message === 'string' ? JSON.parse(Message) : Message;
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} catch (e) {
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console.error('[FC] Failed to parse Message:', e.message);
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return res.json({ success: true });
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}
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if (Type === 'tool_calls' && Array.isArray(msgObj) && msgObj.length > 0) {
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const tc = msgObj[0];
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const chunkId = tc.id || '';
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const chunkName = tc.function?.name || '';
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const chunkArgs = tc.function?.arguments || '';
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const existing = toolCallBuffers.get(effectiveTaskId);
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if (existing && existing.triggered) {
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const userSpeech = latestUserSpeech.get(effectiveRoomId);
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const hasNewInput = userSpeech && (Date.now() - userSpeech.timestamp < 10000);
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if (hasNewInput) {
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console.log(`[FC] [FormatA] New user input detected, clearing cooldown for room=${effectiveRoomId}`);
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toolCallBuffers.delete(effectiveTaskId);
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} else {
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// 扩展 cooldown 到 30 秒，防止 LLM 在 KB 查询期间无限重试
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const cooldownMs = existing.resultSentAt ? 30000 : 15000;
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const elapsed = existing.resultSentAt
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? (Date.now() - existing.resultSentAt)
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: (Date.now() - existing.createdAt);
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if (elapsed < cooldownMs) {
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console.log(`[FC] [FormatA] Cooldown active (${elapsed}ms < ${cooldownMs}ms), ignoring retry for TaskID=${effectiveTaskId}`);
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res.json({ success: true });
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return;
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}
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console.log(`[FC] [FormatA] Cooldown expired (${elapsed}ms >= ${cooldownMs}ms), allowing new call for TaskID=${effectiveTaskId}`);
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toolCallBuffers.delete(effectiveTaskId);
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}
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}
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if (!toolCallBuffers.has(effectiveTaskId)) {
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toolCallBuffers.set(effectiveTaskId, {
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id: '', name: '', chunks: [], triggered: false,
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RoomID: effectiveRoomId, AppID: effectiveAppId, S2STaskID: effectiveTaskId, createdAt: Date.now(), timer: null,
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});
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console.log(`[FC] [FormatA] New buffer created for TaskID=${effectiveTaskId}, room=${effectiveRoomId}`);
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}
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const buf = toolCallBuffers.get(effectiveTaskId);
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if (chunkId && !buf.id) buf.id = chunkId;
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if (chunkName && !buf.name) buf.name = chunkName;
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if (chunkArgs) {
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buf.chunks.push({ seq: tc.seq || 0, args: chunkArgs });
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}
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res.json({ success: true });
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if (buf.timer) clearTimeout(buf.timer);
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buf.timer = setTimeout(async () => { // 500ms 收集 chunks
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const b = toolCallBuffers.get(effectiveTaskId);
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if (!b || b.triggered) return;
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b.triggered = true;
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const toolName = b.name || 'search_knowledge';
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const sortedChunks = b.chunks.sort((a, b) => a.seq - b.seq);
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const allArgs = sortedChunks.map(c => c.args).join('');
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console.log(`[FC] [FormatA] 500ms timeout, ${b.chunks.length} chunks collected, name="${toolName}"`);
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const s2sTaskId = roomToTaskId.get(b.RoomID) || b.S2STaskID || effectiveTaskId;
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console.log(`[FC] TaskId resolution: roomToTaskId=${roomToTaskId.get(b.RoomID)} callback=${b.S2STaskID} → using=${s2sTaskId}`);
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// 不再单独发 interrupt 命令，ExternalTextToSpeech 的 InterruptMode:1 已包含打断功能
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let parsedArgs = null;
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try {
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parsedArgs = JSON.parse(allArgs);
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console.log(`[FC] [FormatA] JSON.parse succeeded: ${JSON.stringify(parsedArgs)}`);
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} catch (e) {
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const userSpeech = latestUserSpeech.get(b.RoomID);
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if (userSpeech && (Date.now() - userSpeech.timestamp < 30000)) {
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console.log(`[FC] [FormatA] Using ASR user speech: "${userSpeech.text}"`);
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parsedArgs = { query: userSpeech.text };
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} else {
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const extractedText = extractReadableText(b.chunks.map(c => c.args));
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console.log(`[FC] [FormatA] No ASR text, extracted from chunks: "${extractedText}"`);
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parsedArgs = { query: extractedText || '' };
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}
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}
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console.log('[FC] ⚡ Starting KB query (no pre-query interrupt)');
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const kbResult = await ToolExecutor.execute(toolName, parsedArgs);
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try {
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const result = kbResult;
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const resultStr = JSON.stringify(result);
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console.log(`[FC] Tool result (${toolName}): ${resultStr.substring(0, 500)}`);
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let contentText = resultStr;
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try {
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if (result && result.results && Array.isArray(result.results)) {
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contentText = result.results.map(r => r.content || JSON.stringify(r)).join('\n');
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} else if (result && result.error) {
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contentText = result.error;
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} else if (typeof result === 'string') {
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contentText = result;
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}
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} catch (e) { }
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const dbSessionId = roomToSessionId.get(b.RoomID);
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if (dbSessionId) {
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db.addMessage(dbSessionId, 'assistant', contentText, 'voice_tool', toolName)
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.catch(e => console.warn('[DB] addMessage(tool) failed:', e.message));
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}
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console.log(`[FC] Knowledge base content (${contentText.length} chars): ${contentText.substring(0, 200)}${contentText.length > 200 ? '...' : ''}`);
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b.resultSentAt = Date.now();
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// === 策略：只用 Command:function 回传结果给 LLM ===
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// 根因分析：
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// 1. ExternalTextToSpeech 在 S2S 端到端模式下不产生可听见的音频（API返回ok但无声音）
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// 2. ExternalTextToSpeech InterruptMode=1 会打断正在播放的 S2S 回复，导致用户听到中断
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// 3. Command:function 是官方自定义 FC 模式的正确回传方式
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// 流程：Command:function → LLM 收到工具结果 → LLM 生成回复 → S2S 朗读
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const toolCallId = b.id || 'unknown_call_id';
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const functionContent = contentText.length > 1500
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? contentText.substring(0, 1500) + '……（内容较长，以上为主要部分）'
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: contentText;
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const funcMsg = JSON.stringify({
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ToolCallID: toolCallId,
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Content: functionContent,
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});
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let activeTaskId = s2sTaskId;
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try {
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console.log(`[FC] ★ Sending Command:function (ToolCallID=${toolCallId}, content=${functionContent.length} chars)`);
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await volcengine.updateVoiceChat({
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AppId: effectiveAppId,
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RoomId: b.RoomID,
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TaskId: activeTaskId,
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Command: 'function',
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Message: funcMsg,
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});
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console.log('[FC] ✅ Command:function sent OK → LLM will generate S2S response with KB content');
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} catch (funcErr) {
|
||
console.error('[FC] ✖ Command:function failed:', funcErr.message);
|
||
// 如果正式 TaskId 失败，尝试回调 TaskId
|
||
if (activeTaskId !== b.S2STaskID) {
|
||
try {
|
||
console.log(`[FC] Retrying Command:function with callback TaskID=${b.S2STaskID}`);
|
||
activeTaskId = b.S2STaskID;
|
||
await volcengine.updateVoiceChat({
|
||
AppId: effectiveAppId,
|
||
RoomId: b.RoomID,
|
||
TaskId: activeTaskId,
|
||
Command: 'function',
|
||
Message: funcMsg,
|
||
});
|
||
console.log('[FC] ✅ Command:function retry OK');
|
||
} catch (retryErr) {
|
||
console.error('[FC] ✖ Command:function retry also failed:', retryErr.message);
|
||
}
|
||
}
|
||
}
|
||
console.log(`[FC] Final result: Command:function sent (${functionContent.length} chars)`);
|
||
} catch (err) {
|
||
console.error(`[FC] Tool execution failed:`, err.message);
|
||
console.error(`[FC] Error details:`, err);
|
||
}
|
||
}, 500); // 从1s减到500ms，减少等待
|
||
return;
|
||
}
|
||
|
||
if (msgObj && typeof msgObj === 'object' && !Array.isArray(msgObj)) {
|
||
const eventType = msgObj.event_type;
|
||
console.log(`[FC] [FormatB] event_type="${eventType}"`);
|
||
if (eventType === 'function_calling') {
|
||
const funcName = msgObj.function || '';
|
||
const toolCallId = msgObj.tool_call_id || '';
|
||
const responseId = msgObj.response_id || '';
|
||
console.log(`[FC] [Information] FC notification: func=${funcName} toolCallId=${toolCallId} responseId=${responseId}`);
|
||
res.json({ success: true });
|
||
// ExternalTextToSpeech 在 S2S 模式下不产生音频，不再发送安抚语
|
||
// LLM 的 tool_calls 会触发 FormatA 分支执行工具并通过 Command:function 回传结果
|
||
console.log(`[FC] [Information] FC notification received, waiting for tool_calls`);
|
||
return;
|
||
}
|
||
}
|
||
|
||
if (msgObj && typeof msgObj === 'object') {
|
||
const asrText = msgObj.text || msgObj.asr_text || msgObj.content ||
|
||
msgObj.user_text || msgObj.transcript ||
|
||
(msgObj.data && (msgObj.data.text || msgObj.data.asr_text || msgObj.data.content));
|
||
const role = msgObj.role || msgObj.speaker || msgObj.data?.role || '';
|
||
const isUser = !role || role === 'user' || role === 'human';
|
||
if (asrText && isUser && RoomID) {
|
||
latestUserSpeech.set(RoomID, { text: asrText, timestamp: Date.now() });
|
||
console.log(`[FC] [ConvState] Stored user speech for ${RoomID}: "${asrText}"`);
|
||
}
|
||
}
|
||
res.json({ success: true });
|
||
} catch (error) {
|
||
console.error('[FC] Error:', error.message);
|
||
res.status(500).json({ success: false, error: error.message });
|
||
}
|
||
});
|
||
|
||
router.post('/room_message', (req, res) => {
|
||
try {
|
||
const { roomId, uid, text } = req.body;
|
||
if (!roomId || !text) {
|
||
return res.json({ success: true });
|
||
}
|
||
const jsonStart = text.search(/[\[{]/);
|
||
if (jsonStart < 0) {
|
||
return res.json({ success: true });
|
||
}
|
||
const jsonStr = text.substring(jsonStart);
|
||
let parsed = null;
|
||
try { parsed = JSON.parse(jsonStr); } catch (e) {
|
||
const textMatch = jsonStr.match(/"text"\s*:\s*"([^"]+)"/);
|
||
if (textMatch && textMatch[1]) {
|
||
const extractedText = textMatch[1];
|
||
const userIdMatch = jsonStr.match(/"userId"\s*:\s*"([^"]+)"/);
|
||
const subtitleUserId = userIdMatch ? userIdMatch[1] : '';
|
||
const isUserSpeech = subtitleUserId && !subtitleUserId.startsWith('bot_');
|
||
if (isUserSpeech && extractedText) {
|
||
latestUserSpeech.set(roomId, { text: extractedText, timestamp: Date.now(), source: 'room_regex' });
|
||
console.log(`[RoomMsg] ✅ Stored user speech (regex) for ${roomId}: "${extractedText}"`);
|
||
}
|
||
}
|
||
return res.json({ success: true });
|
||
}
|
||
if (parsed && parsed.data && Array.isArray(parsed.data)) {
|
||
parsed.data.forEach(sub => {
|
||
const subText = sub.text || '';
|
||
const subUserId = sub.userId || sub.user_id || '';
|
||
const isDefinite = sub.definite === true;
|
||
const isUserSpeech = subUserId && !subUserId.startsWith('bot_');
|
||
if (subText && isUserSpeech && isDefinite) {
|
||
latestUserSpeech.set(roomId, { text: subText, timestamp: Date.now(), source: 'room_subtitle' });
|
||
console.log(`[RoomMsg] ✅ Stored user speech for ${roomId}: "${subText}"`);
|
||
}
|
||
});
|
||
res.json({ success: true });
|
||
return;
|
||
}
|
||
if (parsed && typeof parsed === 'object') {
|
||
const asrText = parsed.text || parsed.asr_text || parsed.content ||
|
||
parsed.user_text || parsed.transcript ||
|
||
(parsed.data && typeof parsed.data === 'string' ? parsed.data : null);
|
||
const isBot = uid && uid.startsWith('bot_');
|
||
if (asrText && !isBot) {
|
||
latestUserSpeech.set(roomId, { text: asrText, timestamp: Date.now(), source: 'room_object' });
|
||
console.log(`[RoomMsg] ✅ Stored user speech (obj) for ${roomId}: "${asrText}"`);
|
||
}
|
||
}
|
||
res.json({ success: true });
|
||
} catch (error) {
|
||
console.error('[RoomMsg] Error:', error.message);
|
||
res.json({ success: true });
|
||
}
|
||
});
|
||
|
||
router.post('/tool-callback', async (req, res) => {
|
||
console.log('[ToolCallback] Legacy callback received:', JSON.stringify(req.body));
|
||
res.json({ success: true, message: 'deprecated, use fc_callback instead' });
|
||
});
|
||
|
||
router.get('/sessions', (req, res) => {
|
||
const sessions = [];
|
||
for (const [id, session] of activeSessions) {
|
||
sessions.push({
|
||
sessionId: id,
|
||
roomId: session.roomId,
|
||
userId: session.userId,
|
||
duration: Math.floor((Date.now() - session.startTime) / 1000),
|
||
subtitleCount: session.subtitles.length,
|
||
});
|
||
}
|
||
res.json({ success: true, data: sessions });
|
||
});
|
||
|
||
module.exports = router;
|