"pos" is no longer optional. Plus a comment.

lynxkite-app/src/lynxkite_app/crdt.py

@@ -64,6 +64,8 @@ class WorkspaceWebsocketServer(pycrdt_websocket.WebsocketServer):
 
         def on_change(changes):
             task = asyncio.create_task(workspace_changed(name, changes, ws))
+            # We have no way to await workspace_changed(). The best we can do is to
+            # dereference its result after it's done, so exceptions are logged normally.
             task.add_done_callback(lambda t: t.result())
 
         ws.observe_deep(on_change)

lynxkite-app/web/tests/lynxkite.ts

@@ -96,7 +96,7 @@ export class Workspace {
     return this.page.locator(".react-flow__node");
   }
 
-  getBoxHandle(boxId: string, pos?: string) {
+  getBoxHandle(boxId: string, pos: string) {
     return this.page.locator(`.connectable[data-nodeid="${boxId}"][data-handlepos="${pos}"]`);
   }