fix: 添加 event_id 去重机制，防止消息重复处理

- 添加 processed_events 集合追踪已处理消息
- _process_message 检查 event_id 是否已处理
- 限制集合大小防止内存过大

main.py

@@ -258,7 +258,7 @@ async def websocket_endpoint(websocket: WebSocket, user_id: str, db: Session = D
                 
                 # 同步到Matrix（如果有房间）
                 if matrix_bot.is_running and matrix_bot.last_room_id:
-                    await matrix_bot.send_message(matrix_bot.last_room_id, f"[网页] {message}")
+                    await matrix_bot.send_message(matrix_bot.last_room_id, message)
                 
                 # 获取对话历史
                 history = conv_service.get_conversation_history(conversation_id, limit=20)

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

@@ -0,0 +1,7 @@
+@tester:matrix.tphai.com AJFVRTHLJY matrix-ed25519 4mRjLhM8xbwjkwQP2T/iB3UZJoaADgP6cCVUiB8AtSk
+@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

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

@@ -0,0 +1,5 @@
+@tester:matrix.tphai.com AJFVRTHLJY matrix-ed25519 4mRjLhM8xbwjkwQP2T/iB3UZJoaADgP6cCVUiB8AtSk
+@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
+@huangzhuang_bro:matrix.tphai.com BQHGFLQEPR matrix-ed25519 IrEHmvqotfHKLyx1JRJp4RthUVyBT8qQX72qBifRRyQ

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

@@ -0,0 +1,6 @@
+@huangzhuang_bro:matrix.tphai.com BQHGFLQEPR matrix-ed25519 IrEHmvqotfHKLyx1JRJp4RthUVyBT8qQX72qBifRRyQ
+@tester:matrix.tphai.com AJFVRTHLJY matrix-ed25519 4mRjLhM8xbwjkwQP2T/iB3UZJoaADgP6cCVUiB8AtSk
+@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

services/matrix_service.py

@@ -26,6 +26,7 @@ class MatrixBot:
         self.is_running: bool = False
         self.on_message_callback: Optional[Callable] = None
         self.last_room_id: str = ""
+        self.processed_events: set = set()  # 已处理的事件ID，防止重复处理
     
     async def init_from_config(self):
         """从数据库配置初始化"""
@@ -171,6 +172,20 @@ class MatrixBot:
     
     async def _process_message(self, room, sender, message_text, event_id):
         """处理消息的核心逻辑"""
+        # 检查是否已处理过此事件（防止重复处理）
+        if event_id in self.processed_events:
+            logger.debug(f"忽略已处理的事件: {event_id}")
+            return
+        
+        # 标记为已处理
+        self.processed_events.add(event_id)
+        logger.info(f"处理消息: event_id={event_id}")
+        
+        # 限制集合大小，保留最近的100个
+        if len(self.processed_events) > 100:
+            # 清理旧的一半
+            self.processed_events = set(list(self.processed_events)[-50:])
+        
         # 忽略自己发送的消息
         if sender == self.user_id:
             logger.debug(f"忽略自己发送的消息: {sender}")

templates/index.html

@@ -467,11 +467,10 @@
             messageDiv.className = `message ${role}`;
             
             const avatar = role === 'user' ? '👤' : '🤖';
-            const sourceLabel = source === 'matrix' ? ' [Matrix]' : '';
             
             messageDiv.innerHTML = `
                 <div class="message-avatar">${avatar}</div>
-                <div class="message-content">${formatContent(content)}${sourceLabel}</div>
+                <div class="message-content">${formatContent(content)}</div>
             `;
             
             container.appendChild(messageDiv);