Add services status view with polling and control actions

frontend/src/pages/InventoryView.tsx

@@ -1,8 +1,9 @@
 import { useState, useEffect } from 'react';
 import { AppLayout } from '../components/AppLayout';
 import { fetchObjects } from '../lib/api';
+import type { ViewKey } from '../types';
 
-export function InventoryView() {
+export function InventoryView({ onNavigate }: { onNavigate: (v: ViewKey) => void }) {
   const [objects, setObjects] = useState<Awaited<ReturnType<typeof fetchObjects>>>([]);
 
   useEffect(() => {
@@ -10,7 +11,7 @@ export function InventoryView() {
   }, []);
 
   return (
-    <AppLayout current="inventory" onNavigate={() => {}}>
+    <AppLayout current="inventory" onNavigate={onNavigate}>
       <header className="header">
         <h1 className="page-title">Inventory</h1>
       </header>