Fix setup app menu in createKernel by loading SetupPlugin first

Agent-Logs-Url: https://github.com/objectstack-ai/framework/sessions/5a66f9ed-ffcd-4354-bde2-95cadad7e3ca

Co-authored-by: xuyushun441-sys <255036401+xuyushun441-sys@users.noreply.github.com>

Author: Claude

apps/studio/src/mocks/createKernel.ts

@@ -82,12 +82,14 @@ export async function createKernel(options: KernelOptions) {
     }
 
     // Register services and plugins
+    // SetupPlugin must load BEFORE other plugins that contribute navigation items
+    // so that the setupNav service is available during their init() phase
+    await kernel.use(new SetupPlugin());
     await kernel.use(new FeedServicePlugin());
     await kernel.use(new MetadataPlugin({ watch: false }));
     await kernel.use(new AIServicePlugin());
     await kernel.use(new AutomationServicePlugin());
     await kernel.use(new AnalyticsServicePlugin());
-    await kernel.use(new SetupPlugin());
 
     // Protocol service is registered automatically by ObjectQLPlugin.init()
     // via ObjectStackProtocolImplementation (which uses SchemaRegistry internally).