fix(voice): recover dialogue after abandoned message recordings

talkingq-url/services/schedule_session_cleanup.py

@@ -3,6 +3,7 @@ from config import settings
 from services.audio_session import audio_session_manager
 from utils.logger import session_logger
 from services.conversation_history import conversation_history_manager
+from services.device_target_cache import device_target_cache
 
 async def run_in_executor(func, *args):
     loop = asyncio.get_running_loop()
@@ -12,6 +13,7 @@ async def background_cleanup_task():
     try:
         while True:
             await asyncio.sleep(settings.cleanup_interval)
+            await device_target_cache.get_all_targets()
             
             current_time = asyncio.get_running_loop().time()
             audio_sessions_to_clean = []
@@ -54,4 +56,4 @@ async def background_cleanup_task():
     except asyncio.CancelledError:
         session_logger.info("system", "cleanup", "后台清理任务已取消")
     except Exception as e:
-        session_logger.error("system", "cleanup", f"后台清理任务出错: {str(e)}")
+        session_logger.error("system", "cleanup", f"后台清理任务出错: {str(e)}")