Add invoice payment management.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/types/index.ts

@@ -387,7 +387,10 @@ export interface TicketStats {
 
 export type BillingCycle = 'hourly' | 'monthly' | 'yearly';
 export type PricingResourceType = 'base_fee' | 'cpu_per_core' | 'memory_per_gb' | 'storage_per_gb' | 'database_addon' | 'redis_addon' | 'rabbitmq_addon' | 'elasticsearch_addon' | 'custom_domain_addon';
-export type TransactionType = 'charge' | 'deduction' | 'refund';
+export type TransactionType = 'charge' | 'deduction' | 'refund' | 'gateway_payment';
+export type InvoiceStatus = 'draft' | 'issued' | 'partially_paid' | 'paid' | 'void' | 'failed';
+export type PaymentMethod = 'wallet' | 'gateway' | 'mixed';
+export type InvoiceReason = 'deploy' | 'renewal' | 'upgrade' | 'wallet_topup' | 'manual';
 
 export interface PricingRateRow {
   resourceType: PricingResourceType;
@@ -456,10 +459,52 @@ export interface WalletTransaction {
   balanceAfter: number;
   description?: string;
   applicationId?: string;
+  invoiceId?: string;
+  invoice?: Invoice;
+  gatewayTrackingCode?: string;
   walletId: string;
   createdAt: string;
 }
 
+export interface InvoiceLine {
+  id: string;
+  invoiceId: string;
+  label: string;
+  description?: string;
+  quantity: number;
+  unitAmount: number;
+  amount: number;
+  metadata?: Record<string, any>;
+  createdAt: string;
+}
+
+export interface Invoice {
+  id: string;
+  invoiceNumber: string;
+  userId: string;
+  user?: User;
+  applicationId?: string;
+  application?: Application;
+  reason: InvoiceReason;
+  status: InvoiceStatus;
+  paymentMethod?: PaymentMethod;
+  subtotal: number;
+  total: number;
+  paidAmount: number;
+  dueAmount: number;
+  dueDate?: string;
+  paidAt?: string;
+  gatewayTrackingCode?: string;
+  gatewayReference?: string;
+  adminNote?: string;
+  statusReason?: string;
+  metadata?: Record<string, any>;
+  lines?: InvoiceLine[];
+  transactions?: WalletTransaction[];
+  createdAt: string;
+  updatedAt: string;
+}
+
 export interface OptionalServiceCyclePrices {
   hourly: number;
   monthly: number;