fix: 修复AI重复调用问题，统一消息处理流程

- _process_message 只保存用户消息并通知
- 新增 generate_ai_response action 统一处理AI回复
- 避免重复调用AI和重复发送消息

main.py

@@ -457,6 +457,64 @@ async def handle_matrix_message(action: str, conversation_id: str = None, user_m
             db.close()
         return
     
+    if action == "generate_ai_response":
+        # 生成AI回复并同步
+        db = SessionLocal()
+        try:
+            conv_service = ConversationService(db)
+            conversation = conv_service.get_conversation(conversation_id)
+            
+            if conversation:
+                # 发送"正在输入"状态
+                try:
+                    await matrix_bot.client.room_typing(room_id, typing_state=True)
+                except:
+                    pass
+                
+                # 获取会话历史
+                history = conv_service.get_conversation_history(conversation_id, limit=20)
+                
+                # 调用AI
+                ai_response = await ai_service.chat(history)
+                
+                # 保存AI回复
+                assistant_msg = conv_service.add_message(
+                    conversation_id=conversation.id,
+                    role='assistant',
+                    content=ai_response,
+                    source='matrix'
+                )
+                
+                # 发送到Matrix
+                await matrix_bot.send_message(room_id, ai_response)
+                
+                # 关闭"正在输入"状态
+                try:
+                    await matrix_bot.client.room_typing(room_id, typing_state=False)
+                except:
+                    pass
+                
+                # 同步到网页端WebSocket
+                await manager.send_to_user(MAIN_USER_ID, {
+                    "type": "assistant_message",
+                    "conversation_id": conversation_id,
+                    "message": {
+                        "id": assistant_msg.id,
+                        "role": "assistant",
+                        "content": ai_response,
+                        "source": "matrix",
+                        "created_at": assistant_msg.created_at.isoformat()
+                    }
+                })
+                
+                logger.info(f"Matrix AI回复已发送: {ai_response[:50]}")
+        except Exception as e:
+            logger.error(f"生成AI回复失败: {e}")
+            await matrix_bot.send_message(room_id, f"处理消息时出错: {str(e)}")
+        finally:
+            db.close()
+        return
+    
     if action == "chat":
         db = SessionLocal()
         try:

matrix_store/@tester:matrix.tphai.com_GALBNVJOSG.trusted_devices

@@ -0,0 +1,8 @@
+@tester:matrix.tphai.com AJFVRTHLJY matrix-ed25519 4mRjLhM8xbwjkwQP2T/iB3UZJoaADgP6cCVUiB8AtSk
+@tester:matrix.tphai.com BDTRXIGPBE matrix-ed25519 gjQNtLEpIEYCjmzUx5ma91G498n4UADh84KUmiReJUM
+@tester:matrix.tphai.com GVSFGGYNJL matrix-ed25519 8qV2own4G3m2nki+izFDBOrAxtbGl8RoneM3qUPkThU
+@tester:matrix.tphai.com IMEQIQPXTR matrix-ed25519 6Yd4lmhP6jdkkNvh1rIw6TRK331ZUyiAt5G5hPeYqSE
+@tester:matrix.tphai.com MIPPYHRVAS matrix-ed25519 s8Ol56sxLCjCOi0Gkv/Kj7LqVMp/8ZmuAJ6QA1rUi7o
+@tester:matrix.tphai.com UKJGJYQQLT matrix-ed25519 opC9rhsz1nzrvQqNWMKTF5FxWIGuHTDfixx+q/Y8ea0
+@tester:matrix.tphai.com UPMZGRLESG matrix-ed25519 86c6XPCIYHgesq83C2k5xhXNa0EYMnqTq4jFrTwJX8I
+@huangzhuang_bro:matrix.tphai.com BQHGFLQEPR matrix-ed25519 IrEHmvqotfHKLyx1JRJp4RthUVyBT8qQX72qBifRRyQ

services/matrix_service.py

@@ -250,41 +250,12 @@ class MatrixBot:
                     sender=sender
                 )
             
-            # 发送"正在输入"状态
-            try:
-                await self.client.room_typing(room.room_id, typing_state=True)
-            except Exception as e:
-                logger.warning(f"发送输入状态失败: {e}")
-            
-            # 获取AI回复 - 使用字典格式
-            messages = conv_service.get_conversation_history(conversation.conversation_id)
-            ai_response = await ai_service.chat(messages)
-            
-            # 保存AI回复
-            conv_service.add_message(
-                conversation_id=conversation.id,
-                role='assistant',
-                content=ai_response,
-                source='matrix'
-            )
-            
-            # 发送回复
-            await self.send_message(room.room_id, ai_response)
-            
-            # 关闭"正在输入"状态
-            try:
-                await self.client.room_typing(room.room_id, typing_state=False)
-            except Exception as e:
-                logger.warning(f"关闭输入状态失败: {e}")
-            
-            # 调用回调（用于网页同步）
+            # 通知回调处理 AI 回复（不再在这里直接调用 AI）
             if self.on_message_callback:
                 await self.on_message_callback(
-                    action="chat",
+                    action="generate_ai_response",
                     conversation_id=conversation.conversation_id,
-                    user_message=message_text,
-                    room_id=room.room_id,
-                    message_id=user_msg.id
+                    room_id=room.room_id
                 )
             
             logger.info(f"Matrix回复已发送: {ai_response[:50]}")