feat(web): disable submit while saving + Save & create another + Cmd/Ctrl+Enter (#46)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

web/src/objects/object-edit-form.tsx

@@ -61,7 +61,7 @@ function ObjectEditFormLoaded({ object, id }: { object: AdminObjectView; id: str
 
   const defaults = { core, fields: object.fields };
 
-  const onSubmit = async (values: ObjectFormValues) => {
+  const onSubmit = async (values: ObjectFormValues): Promise<boolean> => {
     setError(null);
     setFieldErrorKey(null);
 
@@ -76,10 +76,11 @@ function ObjectEditFormLoaded({ object, id }: { object: AdminObjectView; id: str
         setError(t("form.rejected"));
       }
 
-      return;
+      return false;
     }
 
     navigate(`/objects/${id}`);
+    return true;
   };
 
   return (