feat: 添加 s2s 实时语音 WebSocket 地址支持，并更新相关配置

src/config.js

@@ -41,6 +41,12 @@ export function getMqttCredentials() {
   };
 }
 
+/** 惰性读取 s2s 实时语音 WebSocket 地址（打包部署：tauri.localhost → 127.0.0.1） */
+export function getVoiceWsUrl() {
+  const baked = env.VITE_VOICE_WS || `ws://${resolveHost()}:8765/v1/realtime`;
+  return window.__DPM_VOICE_WS__ || baked;
+}
+
 export const MQTT_TOPIC_COMMAND = 'opc/display/command';
 export const MQTT_TOPIC_TICK = 'opc/dashboard/tick';
 export const MQTT_TOPIC_HEARTBEAT = 'opc/display/heartbeat';

src/main.jsx

@@ -23,6 +23,7 @@ async function bootstrapRuntimeConfig() {
       if (cfg.mqtt_url) window.__DPM_MQTT__ = cfg.mqtt_url;
       if (cfg.mqtt_username) window.__DPM_MQTT_USER__ = cfg.mqtt_username;
       if (cfg.mqtt_password) window.__DPM_MQTT_PASS__ = cfg.mqtt_password;
+      if (cfg.voice_url) window.__DPM_VOICE_WS__ = cfg.voice_url;
       // eslint-disable-next-line no-console
       if (cfg.mqtt_url) console.info(`[bootstrap] config.json MQTT -> ${cfg.mqtt_url}`);
     }
@@ -31,15 +32,19 @@ async function bootstrapRuntimeConfig() {
   }
 
   // 2) 后端 /api/config（MQTT 地址/账号；API 基址以前端实际可达地址为准）
+  //    优先级保护：若构建期已用 .env.local 烘焙了 VITE_MQTT_URL，
+  //    则后端 /api/config 不再覆盖（避免后端默认 localhost 冲掉正确地址）。
+  const bakedMqtt = import.meta.env.VITE_MQTT_URL;
   try {
     const res = await fetch(`${getApiBase()}/api/config`, { cache: 'no-store' });
     if (res.ok) {
       const cfg = await res.json();
-      if (cfg.mqtt_url) window.__DPM_MQTT__ = cfg.mqtt_url;
-      if (cfg.mqtt_username) window.__DPM_MQTT_USER__ = cfg.mqtt_username;
-      if (cfg.mqtt_password) window.__DPM_MQTT_PASS__ = cfg.mqtt_password;
+      if (!bakedMqtt && cfg.mqtt_url) window.__DPM_MQTT__ = cfg.mqtt_url;
+      if (!bakedMqtt && cfg.mqtt_username) window.__DPM_MQTT_USER__ = cfg.mqtt_username;
+      if (!bakedMqtt && cfg.mqtt_password) window.__DPM_MQTT_PASS__ = cfg.mqtt_password;
+      if (!import.meta.env.VITE_VOICE_WS && cfg.voice_url) window.__DPM_VOICE_WS__ = cfg.voice_url;
       // eslint-disable-next-line no-console
-      if (cfg.mqtt_url) console.info(`[bootstrap] /api/config MQTT -> ${cfg.mqtt_url}`);
+      if (cfg.mqtt_url) console.info(`[bootstrap] /api/config MQTT -> ${cfg.mqtt_url}${bakedMqtt ? '（已烘焙，忽略）' : ''}`);
     }
   } catch {
     /* 后端不可达：使用内置默认地址 */

src/pages/VoiceAssistant.jsx

@@ -8,12 +8,13 @@
 import { useCallback, useEffect, useRef, useState } from 'react';
 import { S2sWsRealtimeClient } from '../voice/s2s-ws-client.js';
 import useVisionDetection, { VISION_DWELL_MS } from '../voice/useVisionDetection.js';
-import { getApiBase as API_BASE } from '../config';
+import { getApiBase as API_BASE, getVoiceWsUrl } from '../config';
 import '../styles/datascreen.css';
 import './voice-original.css';
 import './voice-overrides.css';
 
-const VOICE_URL = window.__DPM_VOICE_WS__ || `ws://${window.location.hostname}:8765/v1/realtime`;
+// 惰性读取 s2s 地址：打包部署 tauri.localhost → 127.0.0.1，且可在 config.json 覆盖
+const VOICE_URL = getVoiceWsUrl();
 // 基础提示词由后端统一管理（GET /api/s2s/instructions：配置提示词 + 园区知识库），
 // 前端不硬编码；此处仅为后端不可用时的兜底
 const FALLBACK_INSTRUCTIONS = '你是 PineSound 园区智能语音助手，请用简洁专业的中文回答，不超过三句话。';