feat(plugins): add managed runtime SDK and release 2.4.5

tests/unit/admin_console/test_server_lifecycle.py

@@ -202,10 +202,12 @@ async def test_shutdown_marks_only_ui_owned_running_sessions():
             "apps.admin_console.server.ipc_service.stop_server",
             new=AsyncMock(),
         ),
+        patch("apps.admin_console.server.DeviceExecutionLock.cleanup_stale_locks") as cleanup_locks,
     ):
         await on_shutdown()
 
     update_status.assert_called_once_with("ui-running", "interrupted")
+    cleanup_locks.assert_called_once_with()
     assert state.queue_items == []
     state.active_session_id = None
     state.is_shutting_down = False