Fix test failures.

lynxkite-app/src/lynxkite_app/main.py

@@ -56,8 +56,9 @@ def save(req: SaveRequest):
 @app.post("/api/save")
 async def save_and_execute(req: SaveRequest):
     save(req)
-    await req.ws.execute()
-    save(req)
+    if req.ws.has_executor():
+        await req.ws.execute()
+        save(req)
     return req.ws
 
 

lynxkite-core/src/lynxkite/core/workspace.py

@@ -171,7 +171,7 @@ class Workspace(BaseConfig):
             data = node.data
             op = catalog.get(data.title)
             if op:
-                if data.meta != op:
+                if getattr(data, "meta", None) != op:
                     data.meta = op
                     # If the node is connected to a CRDT, update that too.
                     if hasattr(node, "_crdt"):