feat(ops): /operations endpoint + page — live jobs, queue depth, failures

GET /api/v1/operations aggregates active deployments, per-service
deploy-queue depth via Queue.Snapshot(), 24h deployment failures,
cron runs and backups scoped to the caller's projects (admins see all).

Frontend /operations page (Operate nav) shows in-flight count, queued
depth, failures and backup stats with live refetch while deploys are
active. CLI `containr operations` + MCP containr_operations_get.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

app/frontend/src/lib/api-client.ts

@@ -1827,6 +1827,45 @@ export async function testWebhook(id: string): Promise<void> {
   await requestJson(`/webhooks/${id}/test`, { method: 'POST', body: JSON.stringify({}) });
 }
 
+export type OperationsView = {
+  active_deployments: Array<{
+    id: string;
+    service_id: string;
+    service_name: string;
+    project_name: string;
+    status: string;
+    image: string;
+    error?: string | null;
+    started_at?: string | null;
+    completed_at?: string | null;
+    created_at: string;
+  }>;
+  deploy_queue: Array<{ service_id: string; running: boolean; queued: number }>;
+  recent_failures: OperationsView['active_deployments'];
+  cron_runs: Array<{
+    id: string;
+    job_name: string;
+    schedule: string;
+    status: string;
+    started_at: string;
+    finished_at?: string | null;
+    error?: string | null;
+  }>;
+  backups: Array<{
+    id: string;
+    database_id: string;
+    database_name: string;
+    status: string;
+    size: string;
+    created_at: string;
+    completed_at?: string | null;
+  }>;
+};
+
+export async function getOperations(): Promise<OperationsView> {
+  return requestJson<OperationsView>('/operations');
+}
+
 export function serviceStatusClass(status: ServiceStatus): string {
   switch (status) {
     case 'running':