Method handle_heartbeat

server/services/websocket_manager.py:124–131

(self, session_id: str)

            await self.send_message(session_id, message)

    async def handle_heartbeat(self, session_id: str) -> None:
        if session_id in self.active_connections:
            await self.send_message(
                session_id,
                {"type": "pong", "data": {"timestamp": time.time()}},
            )
        else:
            logging.warning("Heartbeat request from disconnected session: %s", session_id)

    async def handle_message(self, session_id: str, message: str) -> None:
        try: