add banbanmini backend

talkingq-url/handlers/session_cleanup_handler.py

@@ -0,0 +1,53 @@
+from services.interrupt_handler import interrupt_handler
+from services.audio_session import audio_session_manager
+from utils.logger import session_logger
+
+async def handle_old_session_cleanup(old_session, session_key):
+    """
+    清理旧会话资源
+    
+    Args:
+        old_session: 需要清理的会话对象
+        session_key: 会话键 (device_id, session_id)
+    """
+    try:
+        device_id, session_id = session_key
+        session_logger.info(device_id, session_id, "开始主动清理旧会话资源")
+        if hasattr(old_session, "register_interrupt_handlers"):
+            await old_session.register_interrupt_handlers()
+        await interrupt_handler.set_interrupt_state(session_key, True)
+        await interrupt_handler.handle_interrupt(session_key)
+    except Exception as e:
+        session_logger.error("unknown", "unknown", f"清理旧会话资源时出错: {e}")
+
+
+async def cleanup_device_sessions(device_id):
+    """
+    清理设备所有会话
+    
+    Args:
+        device_id: 设备ID
+    """
+    sessions_to_clean = []
+    for session_key, session in await audio_session_manager.get_all_sessions():
+        if session_key[0] == device_id:
+            sessions_to_clean.append((session_key, session))
+    
+    for session_key, session in sessions_to_clean:
+        if hasattr(session, "set_interrupted"):
+            session_logger.info(
+                device_id, session_key[1], "WebSocket连接断开，中断会话"
+            )
+            await session.set_interrupted(True)
+            await interrupt_handler.handle_interrupt(session_key)
+        else:
+            await interrupt_handler.set_interrupt_state(session_key, True)
+            if session.llm_service and hasattr(session.llm_service, "closed"):
+                session.llm_service.closed = True
+    
+    for session_key, _ in sessions_to_clean:
+        await audio_session_manager.remove_session(session_key)
+        await interrupt_handler.remove_session(session_key)
+        session_logger.info(
+            device_id, session_key[1], "已从会话管理器中移除会话"
+        )