feat(frontend): lifecycle status, wallet balance, admin billing UI

- Wallet balance display in dashboard header
- Lifecycle status badges (color-coded) in apps list
- Plan expiry countdown column
- Admin apps: suspended/pending-deletion summary cards
- Admin billing: lifecycle settings management
- Updated TypeScript types for lifecycle and billing

frontend/src/types/index.ts

@@ -39,6 +39,13 @@ export interface Application {
   latestImageTag?: string;
   subdomain?: string;
   deployments?: Deployment[];
+  // Billing & Lifecycle
+  planId?: string;
+  billingCycle?: BillingCycle;
+  lifecycleStatus?: AppLifecycleStatus;
+  planExpiresAt?: string;
+  suspendedAt?: string;
+  scheduledDeletionAt?: string;
   createdAt: string;
   updatedAt: string;
 }
@@ -67,6 +74,8 @@ export type DeploymentStatus =
   | 'stopped'
   | 'deleting';
 
+export type AppLifecycleStatus = 'active' | 'suspended' | 'pending_deletion' | 'deleted';
+
 export interface Cluster {
   id: string;
   name: string;
@@ -325,3 +334,17 @@ export interface K8sRevisionData {
   revisions: K8sRevision[];
   currentRevision: number;
 }
+
+// ─── Lifecycle Settings ─────────────────────────────
+
+export interface LifecycleCycleSettings {
+  deleteAfterMs: number;
+  deleteAfterHours?: number;
+  deleteAfterDays?: number;
+}
+
+export interface LifecycleSettings {
+  hourly: LifecycleCycleSettings;
+  monthly: LifecycleCycleSettings;
+  yearly: LifecycleCycleSettings;
+}