feat: 添加音频工作模块，支持从后端加载音频处理器

src/main.jsx

@@ -31,6 +31,12 @@ async function bootstrapRuntimeConfig() {
     /* 浏览器开发环境或未注册命令：跳过 */
   }
 
+  // AudioWorklet 兼容：打包环境（WebView2）无法从 tauri.localhost 自定义协议加载
+  // worklet 模块，统一改从后端真实 HTTP 服务加载（backend/static/voice-worklets/）
+  if (!window.VOICE_WORKLETS_BASE) {
+    window.VOICE_WORKLETS_BASE = `${getApiBase()}/static/voice-worklets/`;
+  }
+
   // 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）。

src/voice/s2s-ws-client.js

@@ -481,9 +481,27 @@ export class S2sWsRealtimeClient extends EventTarget {
     // The worklets live at the repo root, one level up from this module.
     // ?v=2 busts the browser cache so the fixed (unmuted) playback worklet
     // always loads instead of a stale muted copy.
-    const base = window.VOICE_WORKLETS_BASE || "/voice-worklets/";
-    await ctx.audioWorklet.addModule(base + "mic-capture.js?v=3");
-    await ctx.audioWorklet.addModule(base + "audio-playback.js?v=3");
+    // 多基址回退：打包环境优先后端 http（tauri.localhost 无法加载 worklet 模块），
+    // 浏览器开发回退页面源 / 相对路径。
+    const candidates = [
+      window.VOICE_WORKLETS_BASE,
+      `${window.location.origin}/voice-worklets/`,
+      "/voice-worklets/",
+    ].filter(Boolean);
+    let workletErr = null;
+    let workletOk = false;
+    for (const base of candidates) {
+      try {
+        await ctx.audioWorklet.addModule(base + "mic-capture.js?v=3");
+        await ctx.audioWorklet.addModule(base + "audio-playback.js?v=3");
+        workletOk = true;
+        break;
+      } catch (err) {
+        workletErr = err;
+        console.warn("[ws] worklet 加载失败，尝试备用地址:", base, err);
+      }
+    }
+    if (!workletOk) throw workletErr || new Error("AudioWorklet 模块加载失败");
 
     const captureNode = new AudioWorkletNode(ctx, "mic-capture", {
       numberOfInputs: 1,