feat: Improve metadata retrieval in AppSidebar and HttpDispatcher for dynamic types

Author: hotlong

apps/console/src/components/app-sidebar.tsx

@@ -111,7 +111,9 @@ export function AppSidebar({ client, selectedObject, onSelectObject, apps, selec
     setLoading(true);
     try {
       // 1. Discover all registered metadata types
-      const typesResult: any = await client.meta.getTypes();
+      const typesRaw: any = await client.meta.getTypes();
+      // Unwrap { success, data } envelope if present
+      const typesResult = typesRaw?.data ?? typesRaw;
       let types: string[] = [];
       if (typesResult && Array.isArray(typesResult.types)) {
         types = typesResult.types;
@@ -126,7 +128,9 @@ export function AppSidebar({ client, selectedObject, onSelectObject, apps, selec
           .filter(t => !HIDDEN_TYPES.has(t))
           .map(async (type) => {
             try {
-              const result: any = await client.meta.getItems(type);
+              const raw: any = await client.meta.getItems(type);
+              // Unwrap { success, data } envelope if present
+              const result = raw?.data ?? raw;
               let items: any[] = [];
               if (Array.isArray(result)) {
                 items = result;

packages/runtime/src/http-dispatcher.ts

@@ -260,10 +260,21 @@ export class HttpDispatcher {
             }
         }
 
-        // GET /metadata (List Objects - Default)
+        // GET /metadata — return available metadata types
         if (parts.length === 0) {
-            const data = await broker.call('metadata.objects', {}, { request: context.request });
-            return { handled: true, response: this.success(data) };
+            // Try protocol service for dynamic types
+            const protocol = this.kernel?.context?.getService ? this.kernel.context.getService('protocol') : null;
+            if (protocol && typeof protocol.getMetaTypes === 'function') {
+                const result = await protocol.getMetaTypes({});
+                return { handled: true, response: this.success(result) };
+            }
+            // Fallback: ask broker for registered types
+            try {
+                const data = await broker.call('metadata.types', {}, { request: context.request });
+                return { handled: true, response: this.success(data) };
+            } catch {
+                return { handled: true, response: this.success({ types: ['object', 'app', 'plugin'] }) };
+            }
         }
 
         return { handled: false };