fix(api): add fetchObjects export for InventoryView and TopologyView compatibility

frontend/src/lib/api.ts

@@ -1,5 +1,5 @@
 import { getToken, clearSession } from './session';
-import type { ServiceInfo } from '../types';
+import type { NetObject, ServiceInfo } from '../types';
 
 const BACKEND = '/backend';
 const AGENT = '/api';
@@ -45,6 +45,11 @@ export async function apiDelete(path: string): Promise<void> {
   if (!res.ok) throw new Error(`DELETE ${path} failed: ${res.status}`);
 }
 
+// Inventory objects - authenticated via apiGet
+export async function fetchObjects(): Promise<NetObject[]> {
+  return apiGet<NetObject[]>('/objects');
+}
+
 // Legacy agent calls (unauthenticated local agent)
 export async function fetchServices(): Promise<ServiceInfo[]> {
   const res = await fetch(`${AGENT}/services`);