feat(fleet): card-only UI with progressive load and restart ops

Drop the redundant advanced table so fleet stays resource-first cards.
Keep multi-select batch service/system restart via prepare→execute, card
restarts, overview system ops, and progressive fleet loading.

apps/api/src/production-control-plane.test.ts

@@ -31,6 +31,8 @@ async function fixtureOptions(): Promise<ProductionControlPlaneOptions> {
       get: async () => ({ status: 200, headers: {}, body: '' }),
       request: async () => ({ status: 200, headers: {}, body: '' }),
       postNetworkRegisterAuto: async () => ({ status: 200 }),
+        postServiceRestart: async () => ({ status: 200 }),
+        postSystemReboot: async () => ({ status: 200 }),
     },
     keychainMetadataCheck: async () => true,
   };