fix(miniapp): show original ledger currencies

packages/application/src/finance-command-service.test.ts

@@ -247,6 +247,7 @@ describe('createFinanceCommandService', () => {
         id: 'purchase-1',
         payerMemberId: 'alice',
         amountMinor: 3000n,
+        currency: 'GEL',
         description: 'Soap',
         occurredAt: instantFromIso('2026-03-12T11:00:00.000Z')
       }
@@ -259,6 +260,7 @@ describe('createFinanceCommandService', () => {
     expect(dashboard).not.toBeNull()
     expect(dashboard?.members.map((line) => line.netDue.amountMinor)).toEqual([39500n, 42500n])
     expect(dashboard?.ledger.map((entry) => entry.title)).toEqual(['Soap', 'Electricity'])
+    expect(dashboard?.ledger.map((entry) => entry.currency)).toEqual(['GEL', 'USD'])
     expect(statement).toBe(
       [
         'Statement for 2026-03',

packages/application/src/finance-command-service.ts

@@ -72,6 +72,7 @@ export interface FinanceDashboardLedgerEntry {
   kind: 'purchase' | 'utility'
   title: string
   amount: Money
+  currency: CurrencyCode
   actorDisplayName: string | null
   occurredAt: string | null
 }
@@ -182,6 +183,7 @@ async function buildFinanceDashboard(
       kind: 'utility' as const,
       title: bill.billName,
       amount: Money.fromMinor(bill.amountMinor, bill.currency),
+      currency: bill.currency,
       actorDisplayName: bill.createdByMemberId
         ? (memberNameById.get(bill.createdByMemberId) ?? null)
         : null,
@@ -191,7 +193,8 @@ async function buildFinanceDashboard(
       id: purchase.id,
       kind: 'purchase' as const,
       title: purchase.description ?? 'Shared purchase',
-      amount: Money.fromMinor(purchase.amountMinor, rentRule.currency),
+      amount: Money.fromMinor(purchase.amountMinor, purchase.currency),
+      currency: purchase.currency,
       actorDisplayName: memberNameById.get(purchase.payerMemberId) ?? null,
       occurredAt: purchase.occurredAt?.toString() ?? null
     }))