feat(wallets): add isDefault field to wallet model and implement setDefaultWallet functionality

apps/frontend/src/lib/api.ts

@@ -149,11 +149,15 @@ export type CreateNonPeriodicExpenseInput = {
   description: string;
   amount: number;
   dueDate: string;
+  walletId: number;
+  usdcConversionRate?: number;
 };
 
 export type PayExpenseInput = {
   amountPayed: number;
   paymentDate?: string;
+  walletId: number;
+  usdcConversionRate?: number;
 };
 
 export type UpdateExpenseInput = {
@@ -327,6 +331,7 @@ export type Wallet = {
   name: string;
   currency: string;
   balance: number;
+  isDefault: boolean;
   createdAt: string;
   updatedAt: string;
 };
@@ -409,6 +414,10 @@ export function transferWallet(
   );
 }
 
+export function setDefaultWallet(id: number): Promise<Wallet> {
+  return mutator<Wallet>(`/api/wallets/${id}/default`, "PUT");
+}
+
 export function getWalletMovements(
   id: number,
 ): Promise<WalletMovement[]> {