view data fixes

apps/website/lib/view-data/WalletTransactionViewData.ts

@@ -0,0 +1,17 @@
+import { ViewData } from '@/lib/contracts/view-data/ViewData';
+
+/**
+ * ViewData for WalletTransaction
+ * This is the JSON-serializable input for the Template.
+ */
+export interface WalletTransactionViewData extends ViewData {
+  id: string;
+  type: 'sponsorship' | 'membership' | 'withdrawal' | 'prize' | 'deposit';
+  description: string;
+  amount: number;
+  fee: number;
+  netAmount: number;
+  date: string; // ISO string
+  status: 'completed' | 'pending' | 'failed';
+  reference?: string;
+}