From 23675fa5a587f63b0ab1ae72da93aaf795e4a9ad Mon Sep 17 00:00:00 2001
From: hailin <hailin.zhao@gdzx.xyz>
Date: Fri, 6 Mar 2026 08:11:21 -0800
Subject: [PATCH] feat(chat): use app language setting for voice-to-text STT
 language

Reads settingsProvider.language (BCP-47 code) and passes it to the
Whisper transcribe call instead of hardcoding 'zh'.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 it0_app/lib/features/chat/presentation/pages/chat_page.dart   | 4 +++-
 .../features/chat/presentation/providers/chat_providers.dart  | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/it0_app/lib/features/chat/presentation/pages/chat_page.dart b/it0_app/lib/features/chat/presentation/pages/chat_page.dart
index 2e9e6fd..c1b343d 100644
--- a/it0_app/lib/features/chat/presentation/pages/chat_page.dart
+++ b/it0_app/lib/features/chat/presentation/pages/chat_page.dart
@@ -13,6 +13,7 @@ import '../widgets/approval_action_card.dart';
 import '../widgets/conversation_drawer.dart';
 import '../../../agent_call/presentation/pages/agent_call_page.dart';
 import '../widgets/voice_mic_button.dart';
+import '../../../settings/presentation/providers/settings_providers.dart';
 
 // ---------------------------------------------------------------------------
 // Chat page – Timeline workflow style (inspired by Claude Code VSCode)
@@ -61,7 +62,8 @@ class _ChatPageState extends ConsumerState<ChatPage> {
       _messageController.text = '识别中…';
     });
     try {
-      final text = await ref.read(chatProvider.notifier).transcribeAudio(audioPath);
+      final language = ref.read(settingsProvider).language;
+      final text = await ref.read(chatProvider.notifier).transcribeAudio(audioPath, language: language);
       if (mounted) {
         setState(() {
           _messageController.text = text;
diff --git a/it0_app/lib/features/chat/presentation/providers/chat_providers.dart b/it0_app/lib/features/chat/presentation/providers/chat_providers.dart
index 347e985..db97861 100644
--- a/it0_app/lib/features/chat/presentation/providers/chat_providers.dart
+++ b/it0_app/lib/features/chat/presentation/providers/chat_providers.dart
@@ -573,9 +573,9 @@ class ChatNotifier extends StateNotifier<ChatState> {
     }
   }
 
-  Future<String> transcribeAudio(String audioPath) async {
+  Future<String> transcribeAudio(String audioPath, {String language = 'zh'}) async {
     final datasource = _ref.read(chatRemoteDatasourceProvider);
-    return datasource.transcribeAudio(audioPath: audioPath);
+    return datasource.transcribeAudio(audioPath: audioPath, language: language);
   }
 
   Future<void> cancelCurrentTask() async {