Need insert since it requires update later

api/s24_coordinates.py

@@ -9,7 +9,8 @@ def _to_client_point(coord: str) -> dict[str, float]:
 def get_node_coord(name: str, id: str) -> dict[str, float]:
     row = try_read(name, f"select * from coordinates where node = '{id}'")
     if row == None:
-        return {}
+        write(name, f"insert into coordinates (node, coord) values ('{id}', '(0.0,0.0)');")
+        return {'x': 0.0, 'y': 0.0}
     return _to_client_point(row['coord'])