feat(payments): track household payment confirmations

packages/application/src/payment-confirmation-parser.test.ts

@@ -0,0 +1,36 @@
+import { describe, expect, test } from 'bun:test'
+
+import { parsePaymentConfirmationMessage } from './payment-confirmation-parser'
+
+describe('parsePaymentConfirmationMessage', () => {
+  test('detects rent confirmation without explicit amount', () => {
+    const result = parsePaymentConfirmationMessage('за жилье закинул', 'GEL')
+
+    expect(result.kind).toBe('rent')
+    expect(result.explicitAmount).toBeNull()
+    expect(result.reviewReason).toBeNull()
+  })
+
+  test('detects utility confirmation with explicit default-currency amount', () => {
+    const result = parsePaymentConfirmationMessage('оплатил газ 120', 'GEL')
+
+    expect(result.kind).toBe('utilities')
+    expect(result.explicitAmount?.amountMinor).toBe(12000n)
+    expect(result.explicitAmount?.currency).toBe('GEL')
+    expect(result.reviewReason).toBeNull()
+  })
+
+  test('keeps multi-member confirmations for review', () => {
+    const result = parsePaymentConfirmationMessage('перевел за Кирилла и себя', 'GEL')
+
+    expect(result.kind).toBeNull()
+    expect(result.reviewReason).toBe('multiple_members')
+  })
+
+  test('keeps generic done messages for review', () => {
+    const result = parsePaymentConfirmationMessage('готово', 'GEL')
+
+    expect(result.kind).toBeNull()
+    expect(result.reviewReason).toBe('kind_ambiguous')
+  })
+})