Method _release_resources

backend/core.py:1953–1954

(self, req_id)

        self._resources.occupy_satellite_only(req_id, sat_id)

    def _release_resources(self, req_id):
        self._resources.release(req_id)

    def _get_beam_manager(self, node_id: str) -> "BeamPointing | None":
        """返回站点/卫星对应的 BeamPointing 管理器（不存在则返回 None）。"""