feat: 添加realtime_dialog和realtime_dialog_external_rag_test项目，更新test2项目

test2/server/config/voiceChatConfig.js

@@ -1,172 +0,0 @@
-const { v4: uuidv4 } = require('uuid');
-
-class VoiceChatConfigBuilder {
-  /**
-   * 构建 StartVoiceChat 的完整配置（S2S 端到端语音大模型 + LLM 混合编排）
-   * OutputMode=1: 混合模式，S2S 处理普通对话，LLM 处理工具调用
-   */
-  static build(options) {
-    const {
-      roomId,
-      taskId,
-      userId,
-      botName = '小智',
-      systemRole = '你是一个友善的智能助手。',
-      speakingStyle = '请使用温和、清晰的口吻。',
-      modelVersion = '1.2.1.0',
-      speaker = 'zh_female_vv_jupiter_bigtts',
-      tools = [],
-      llmSystemPrompt = '',
-      enableWebSearch = false,
-      vadEndMs = 1200,
-      chatHistory = [],
-    } = options;
-
-    const botUserId = `bot_${uuidv4().slice(0, 8)}`;
-
-    const providerParams = {
-      app: {
-        appid: process.env.VOLC_S2S_APP_ID,
-        token: process.env.VOLC_S2S_TOKEN,
-      },
-      dialog: this._buildDialogConfig(modelVersion, botName, systemRole, speakingStyle, enableWebSearch, chatHistory),
-      tts: {
-        speaker: speaker,
-      },
-      asr: {
-        extra: {
-          enable_custom_vad: true,
-          end_smooth_window_ms: vadEndMs,
-        },
-      },
-    };
-
-    // === 调试模式：纯 S2S（OutputMode=0），排除 LLM 干扰 ===
-    // ARK 端点已配置正确，启用混合编排模式
-    const DEBUG_PURE_S2S = false;
-
-    const llmConfig = {
-      Mode: 'ArkV3',
-      EndPointId: process.env.VOLC_ARK_ENDPOINT_ID,
-      MaxTokens: 1024,
-      Temperature: 0.1,
-      TopP: 0.3,
-      SystemMessages: [llmSystemPrompt || this._buildDefaultLLMPrompt(tools)],
-      HistoryLength: 10,
-      ThinkingType: 'disabled',
-    };
-    if (tools.length > 0) {
-      llmConfig.Tools = tools;
-    }
-
-    // 混合模式：通过 UserPrompts 传入聊天历史作为上下文（官方推荐方式）
-    if (chatHistory && chatHistory.length > 0 && !DEBUG_PURE_S2S) {
-      const userPrompts = chatHistory.slice(-10).map(m => ({
-        Role: m.role === 'user' ? 'user' : 'assistant',
-        Content: m.content,
-      }));
-      llmConfig.UserPrompts = userPrompts;
-      console.log(`[VoiceChatConfig] Injected ${userPrompts.length} UserPrompts into LLMConfig`);
-    }
-
-    const config = {
-      AppId: process.env.VOLC_RTC_APP_ID,
-      RoomId: roomId,
-      TaskId: taskId,
-      AgentConfig: {
-        TargetUserId: [userId],
-        WelcomeMessage: `你好，我是${botName}，有什么需要帮忙的吗？`,
-        UserId: botUserId,
-        EnableConversationStateCallback: true,
-      },
-      Config: {
-        S2SConfig: {
-          Provider: 'volcano',
-          OutputMode: DEBUG_PURE_S2S ? 0 : 1,
-          ProviderParams: providerParams,
-        },
-        // 注意：S2S 端到端模式下不需要独立 TTSConfig
-        // ExternalTextToSpeech 在 S2S 模式下不产生音频，只用 Command:function
-        SubtitleConfig: {
-          SubtitleMode: 1,
-        },
-        InterruptMode: 0,
-      },
-    };
-
-    // 混合模式才需要 LLMConfig
-    if (!DEBUG_PURE_S2S) {
-      config.Config.LLMConfig = llmConfig;
-
-      // Function Calling 回调配置：RTC 服务通过此 URL 发送 tool call 请求
-      if (tools.length > 0) {
-        const serverUrl = process.env.FC_SERVER_URL || 'https://demo.tensorgrove.com.cn/api/voice/fc_callback';
-        config.Config.FunctionCallingConfig = {
-          ServerMessageUrl: serverUrl,
-          ServerMessageSignature: process.env.FC_SIGNATURE || 'default_signature',
-        };
-        console.log(`[VoiceChatConfig] FunctionCallingConfig enabled, URL: ${serverUrl}`);
-      }
-    }
-
-    console.log('[VoiceChatConfig] DEBUG_PURE_S2S:', DEBUG_PURE_S2S);
-    console.log('[VoiceChatConfig] OutputMode:', config.Config.S2SConfig.OutputMode);
-    console.log('[VoiceChatConfig] ProviderParams type:', typeof config.Config.S2SConfig.ProviderParams);
-    console.log('[VoiceChatConfig] S2S AppId:', providerParams.app.appid);
-    console.log('[VoiceChatConfig] S2S Token:', providerParams.app.token ? '***set***' : '***MISSING***');
-
-    return { config, botUserId };
-  }
-
-  static _buildDialogConfig(modelVersion, botName, systemRole, speakingStyle, enableWebSearch, chatHistory = []) {
-    const isOSeries = modelVersion === 'O' || modelVersion.startsWith('1.');
-    const dialog = {
-      extra: { model: modelVersion },
-    };
-
-    // 如果有文字聊天历史，将其追加到 system_role 作为上下文
-    let fullSystemRole = systemRole;
-    if (chatHistory && chatHistory.length > 0) {
-      const historyText = chatHistory
-        .slice(-10)
-        .map(m => `${m.role === 'user' ? '用户' : '助手'}：${m.content}`)
-        .join('\n');
-      fullSystemRole += `\n\n## 之前的对话记录（请延续此上下文）\n${historyText}`;
-      console.log(`[VoiceChatConfig] Injected ${chatHistory.length} chat history messages into system_role`);
-    }
-
-    if (isOSeries) {
-      dialog.bot_name = botName;
-      dialog.system_role = fullSystemRole;
-      dialog.speaking_style = speakingStyle;
-    } else {
-      dialog.character_manifest = `${fullSystemRole}\n你的名字是${botName}。${speakingStyle}`;
-    }
-
-    if (enableWebSearch && process.env.VOLC_WEBSEARCH_API_KEY) {
-      dialog.extra.enable_volc_websearch = true;
-      dialog.extra.volc_websearch_api_key = process.env.VOLC_WEBSEARCH_API_KEY;
-      dialog.extra.volc_websearch_type = 'web_summary';
-      dialog.extra.volc_websearch_no_result_message = '抱歉，我没有查到相关信息。';
-    }
-
-    return dialog;
-  }
-
-  static _buildDefaultLLMPrompt(tools) {
-    const toolNames = tools.map((t) => t.function?.name).filter(Boolean);
-    if (toolNames.length === 0) {
-      return '你是一个智能助手。对于所有问题直接回答即可。';
-    }
-    return `你是一个企业智能客服助手。你可以使用以下工具：${toolNames.join('、')}。
-
-## 最高优先级规则
-1. 每次用户提问，你**必须**先调用 search_knowledge 工具查询知识库
-2. 收到工具返回的知识库内容后，你**必须完整、详细地朗读**知识库返回的内容给用户
-3. 不要省略、总结或缩写知识库的内容，要逐字朗读
-4. 如果知识库没有相关内容，再用你自己的知识简洁回答
-5. 如果知识库返回"未找到相关信息"，直接告诉用户并提供建议`;
-  }
-}
-
-module.exports = VoiceChatConfigBuilder;