支持已绑定设备追加 NFC 卡

- 新增已绑定设备追加卡会话和小程序入口

- 允许同设备多张 active 卡，保留 card_uuid 唯一并补齐老库迁移

- 收紧未知卡自动绑定和跨设备卡复用

验证：talkingq-url/.venv/bin/python -m pytest tests；compileall；npm run build:weapp

talkingq-url/handlers/mqtt_handler.py

@@ -475,7 +475,7 @@ class TalkingQMQTTService:
             await self._publish(topic, payload)
             return
 
-        is_owner = await card_service.check_card_ownership(nfc_uuid, device_id)
+        is_owner = await card_service.is_active_for_device(nfc_uuid, device_id)
         if is_owner:
             playback_items = await pending_voice_message_service.get_playback_items(
                 target_device_id=device_id,
@@ -534,10 +534,17 @@ class TalkingQMQTTService:
             return
 
         existing_card = await card_service.get_card_by_uuid(nfc_uuid)
-        if existing_card:
+        if existing_card and existing_card.device_id and int(existing_card.status) == 1:
             target_device_id = existing_card.device_id
         else:
-            await card_service.activate_card(nfc_uuid, device_id)
+            payload = {
+                "msg_id": "005",
+                "type": 0,
+                "params": {
+                    "url_1": f"http://{settings.server_host}:{settings.server_port}/assets/audio/error_card.mp3"
+                },
+            }
+            await self._publish(topic, payload)
             return
 
         await device_target_cache.set_target(device_id, target_device_id)

talkingq-url/handlers/websocket_message_handler.py

@@ -84,14 +84,15 @@ async def handle_text_message(websocket: WebSocket, device_id: str, text_data: s
         # 检查卡片是否存在
         existing_card = await card_service.get_card_by_uuid(card_uuid)
         
-        if existing_card:
+        if existing_card and existing_card.device_id and int(existing_card.status) == 1:
             # 卡片已存在，使用卡片绑定的设备ID作为目标设备ID
             target_device_id = existing_card.device_id
             session_logger.info(device_id, "card", f"卡片已存在，绑定的设备ID: {target_device_id}")
         else:
-            # 卡片不存在，创建新卡片并绑定到当前设备
-            new_card = await card_service.activate_card(card_uuid, device_id)
-            session_logger.info(device_id, "card", f"新卡片{card_uuid}已创建并激活，绑定到设备: {device_id}")
+            await websocket.send_text(
+                f"TARGET_DEVICE_REGISTERED_URL:http://{settings.server_host}:{settings.server_port}/assets/audio/error_card.mp3"
+            )
+            session_logger.warning(device_id, "card", f"未知卡片不能自动绑定: {card_uuid}")
             return
         
         # 设置目标设备