From 08c5b22d4a0a3b29ed9356ea0b6e719cc488e6f5 Mon Sep 17 00:00:00 2001
From: john <cynell@139.com>
Date: Mon, 29 Jun 2026 12:34:34 +0800
Subject: [PATCH] =?UTF-8?q?fix(voice):=20=E6=B5=8F=E8=A7=88=E5=99=A8?=
 =?UTF-8?q?=E8=AF=AD=E9=9F=B3=E9=BB=98=E8=AE=A4=E8=B5=B0=E6=9C=8D=E5=8A=A1?=
 =?UTF-8?q?=E7=AB=AF=20ASR?=
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Web Speech 依赖 Google，国内浏览器常无法转文字；支持麦克风时改为录音后走自有 ASR，并补全网络异常时的降级匹配。

Co-authored-by: Cursor <cursoragent@cursor.com>
---
 src/hooks/useVoiceSession.ts | 10 ++++------
 src/voice/capabilities.ts    | 18 ++++++++++++++----
 2 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/src/hooks/useVoiceSession.ts b/src/hooks/useVoiceSession.ts
index a5b1afe..8fae289 100644
--- a/src/hooks/useVoiceSession.ts
+++ b/src/hooks/useVoiceSession.ts
@@ -1,10 +1,10 @@
 import { useCallback, useEffect, useRef, useState } from 'react';
 import { transcribeOneShot } from '../voice/asrTransport';
 import { mapMicError } from '../voice/audioAnalyser';
-import { shouldFallbackToServerAsr, shouldPreferServerAsr } from '../voice/capabilities';
+import { shouldFallbackToServerAsr, shouldUseLiveSpeech } from '../voice/capabilities';
 import { MicCapture } from '../voice/micCapture';
 import { waitForMicRelease } from '../voice/micSession';
-import { createLiveSpeechRecognition, isSpeechRecognitionSupported } from '../voice/speechRecognition';
+import { createLiveSpeechRecognition } from '../voice/speechRecognition';
 import type { VoiceSessionPhase } from '../voice/types';
 
 const MIN_RECORD_MS = 500;
@@ -19,9 +19,7 @@ export function useVoiceSession({
   const [phase, setPhase] = useState<VoiceSessionPhase>('idle');
   const [text, setText] = useState('');
   const [analyser, setAnalyser] = useState<AnalyserNode | null>(null);
-  const [liveRecognition, setLiveRecognition] = useState(
-    isSpeechRecognitionSupported() && !shouldPreferServerAsr(),
-  );
+  const [liveRecognition, setLiveRecognition] = useState(shouldUseLiveSpeech());
 
   const committedRef = useRef('');
   const interimRef = useRef('');
@@ -155,7 +153,7 @@ export function useVoiceSession({
         if (sessionRef.current !== sessionId) return;
 
         startedAtRef.current = Date.now();
-        const useLiveSpeech = isSpeechRecognitionSupported() && !shouldPreferServerAsr();
+        const useLiveSpeech = shouldUseLiveSpeech();
 
         if (useLiveSpeech) {
           const recognition = createLiveSpeechRecognition({
diff --git a/src/voice/capabilities.ts b/src/voice/capabilities.ts
index 97e787d..cbf1955 100644
--- a/src/voice/capabilities.ts
+++ b/src/voice/capabilities.ts
@@ -2,16 +2,26 @@ import { isWechatBrowser } from '../utils/wechat';
 import { MicCapture } from './micCapture';
 import { isSpeechRecognitionSupported } from './speechRecognition';
 
-/** 微信内置浏览器 Web Speech 不可用，直接走服务端 ASR。 */
+/**
+ * 优先服务端 ASR（录音后识别）：
+ * - 微信内 Web Speech 不可用；
+ * - 普通浏览器若支持麦克风，也走自有 ASR（Web Speech 依赖 Google，国内常无结果）。
+ */
 export function shouldPreferServerAsr(): boolean {
-  return isWechatBrowser();
+  if (isWechatBrowser()) return true;
+  return MicCapture.isSupported();
 }
 
-/** Web Speech 出现这些错误时可改用服务端 ASR（录音 + 完成识别）。 */
+/** 仍尝试 Web Speech 时，出现这些错误可降级为服务端 ASR。 */
 export function shouldFallbackToServerAsr(errorMessage: string): boolean {
   if (shouldPreferServerAsr()) return false;
   if (!MicCapture.isSupported()) return false;
-  return /network|service-not-allowed|语音识别失败|无法启动语音识别/i.test(errorMessage);
+  return /network|网络异常|service-not-allowed|语音识别失败|无法启动语音识别/i.test(errorMessage);
+}
+
+/** 是否使用浏览器 Web Speech 实时听写（仅在不走服务端 ASR 且 API 可用时）。 */
+export function shouldUseLiveSpeech(): boolean {
+  return isSpeechRecognitionSupported() && !shouldPreferServerAsr();
 }
 
 /** Whether voice input may work in this browser (mic and/or live speech). */