test(web): add middleware + i18n + messages test suites (GOO-60)

Cover frontend middleware auth/locale logic, i18n config/routing/request/navigation,
and vi/en message parity — 91 new tests across 6 files.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

apps/api/package.json

@@ -9,6 +9,7 @@
     "start:prod": "node dist/main",
     "lint": "eslint src/",
     "test": "vitest run",
+    "test:coverage": "vitest run --coverage",
     "test:integration": "vitest run --config vitest.integration.config.ts",
     "typecheck": "tsc --noEmit"
   },
@@ -16,6 +17,7 @@
     "@anthropic-ai/sdk": "^0.89.0",
     "@aws-sdk/client-s3": "^3.1026.0",
     "@aws-sdk/s3-request-presigner": "^3.1026.0",
+    "@goodgo/ai-contract": "workspace:*",
     "@goodgo/mcp-servers": "workspace:*",
     "@nest-lab/throttler-storage-redis": "^1.2.0",
     "@nestjs/bullmq": "^11.0.4",
@@ -84,6 +86,7 @@
     "@types/qrcode": "^1.5.6",
     "@types/sanitize-html": "^2.16.1",
     "@types/supertest": "^7.2.0",
+    "@vitest/coverage-v8": "^4.1.3",
     "prisma": "^7.7.0",
     "supertest": "^7.2.2",
     "typescript": "^6.0.2",

apps/api/src/modules/listings/application/__tests__/listing-expiry-cron.service.spec.ts

@@ -0,0 +1,115 @@
+import { ListingExpiringEvent } from '../../domain/events/listing-expiring.event';
+import { ListingExpiryCronService } from '../../infrastructure/cron/listing-expiry-cron.service';
+
+describe('ListingExpiryCronService', () => {
+  let service: ListingExpiryCronService;
+  let mockPrisma: { $queryRaw: ReturnType<typeof vi.fn> };
+  let mockEventBus: { publish: ReturnType<typeof vi.fn> };
+  let mockLogger: {
+    log: ReturnType<typeof vi.fn>;
+    debug: ReturnType<typeof vi.fn>;
+    error: ReturnType<typeof vi.fn>;
+  };
+
+  beforeEach(() => {
+    mockPrisma = { $queryRaw: vi.fn() };
+    mockEventBus = { publish: vi.fn() };
+    mockLogger = { log: vi.fn(), debug: vi.fn(), error: vi.fn() };
+
+    service = new ListingExpiryCronService(
+      mockPrisma as any,
+      mockEventBus as any,
+      mockLogger as any,
+    );
+  });
+
+  it('publishes ListingExpiringEvent for each expiring listing and logs the count', async () => {
+    const expiresAt = new Date(Date.now() + 2 * 24 * 60 * 60 * 1000);
+    mockPrisma.$queryRaw.mockResolvedValue([
+      { id: 'listing-a', sellerId: 'seller-a', expiresAt },
+      { id: 'listing-b', sellerId: 'seller-b', expiresAt },
+    ]);
+
+    await service.notifyExpiringListings();
+
+    expect(mockPrisma.$queryRaw).toHaveBeenCalledTimes(1);
+    expect(mockEventBus.publish).toHaveBeenCalledTimes(2);
+
+    const events = mockEventBus.publish.mock.calls.map((c) => c[0]) as ListingExpiringEvent[];
+    expect(events[0]).toBeInstanceOf(ListingExpiringEvent);
+    expect(events[1]).toBeInstanceOf(ListingExpiringEvent);
+    expect(events.map((e) => e.aggregateId).sort()).toEqual(['listing-a', 'listing-b']);
+    expect(events[0].eventName).toBe('listing.expiring');
+    expect(events[0].sellerId).toBe('seller-a');
+    expect(events[0].expiresAt).toBe(expiresAt);
+
+    expect(mockLogger.log).toHaveBeenCalledWith(
+      expect.stringContaining('2 listing(s)'),
+      'ListingExpiryCronService',
+    );
+  });
+
+  it('is a no-op when no listings are expiring (idempotent across runs)', async () => {
+    mockPrisma.$queryRaw.mockResolvedValue([]);
+
+    await service.notifyExpiringListings();
+
+    expect(mockEventBus.publish).not.toHaveBeenCalled();
+    expect(mockLogger.log).not.toHaveBeenCalled();
+    expect(mockLogger.debug).toHaveBeenCalledWith(
+      'No listings expiring in the next 3 days — nothing to notify',
+      'ListingExpiryCronService',
+    );
+  });
+
+  it('catches DB errors and logs them without throwing', async () => {
+    const boom = new Error('connection lost');
+    mockPrisma.$queryRaw.mockRejectedValue(boom);
+
+    await expect(service.notifyExpiringListings()).resolves.toBeUndefined();
+
+    expect(mockEventBus.publish).not.toHaveBeenCalled();
+    expect(mockLogger.error).toHaveBeenCalledWith(
+      expect.stringContaining('connection lost'),
+      expect.any(String),
+      'ListingExpiryCronService',
+    );
+  });
+
+  it('uses a single atomic UPDATE ... RETURNING so concurrent runs do not double-notify', async () => {
+    const expiresAt = new Date(Date.now() + 2 * 24 * 60 * 60 * 1000);
+    // Simulate two parallel runs against the same DB; only the first sees the row.
+    mockPrisma.$queryRaw
+      .mockResolvedValueOnce([{ id: 'listing-1', sellerId: 'seller-1', expiresAt }])
+      .mockResolvedValueOnce([]);
+
+    await Promise.all([
+      service.notifyExpiringListings(),
+      service.notifyExpiringListings(),
+    ]);
+
+    // Only one event published across both runs.
+    expect(mockEventBus.publish).toHaveBeenCalledTimes(1);
+    expect(mockPrisma.$queryRaw).toHaveBeenCalledTimes(2);
+  });
+
+  it('publishes events with correct sellerId and expiresAt per row', async () => {
+    const expiresAtA = new Date(Date.now() + 1 * 24 * 60 * 60 * 1000);
+    const expiresAtB = new Date(Date.now() + 2.5 * 24 * 60 * 60 * 1000);
+    mockPrisma.$queryRaw.mockResolvedValue([
+      { id: 'listing-a', sellerId: 'seller-x', expiresAt: expiresAtA },
+      { id: 'listing-b', sellerId: 'seller-y', expiresAt: expiresAtB },
+    ]);
+
+    await service.notifyExpiringListings();
+
+    const events = mockEventBus.publish.mock.calls.map((c) => c[0]) as ListingExpiringEvent[];
+    expect(events[0].aggregateId).toBe('listing-a');
+    expect(events[0].sellerId).toBe('seller-x');
+    expect(events[0].expiresAt).toBe(expiresAtA);
+
+    expect(events[1].aggregateId).toBe('listing-b');
+    expect(events[1].sellerId).toBe('seller-y');
+    expect(events[1].expiresAt).toBe(expiresAtB);
+  });
+});

apps/api/vitest.config.ts

@@ -10,6 +10,29 @@ export default defineConfig({
     env: {
       BCRYPT_ROUNDS: '4',
     },
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'text-summary', 'json-summary', 'lcov', 'clover'],
+      reportsDirectory: './coverage',
+      include: ['src/modules/**/*.ts'],
+      exclude: [
+        'src/**/*.spec.ts',
+        'src/**/*.integration.spec.ts',
+        'src/**/*.mock.ts',
+        'src/**/*.module.ts',
+        'src/**/index.ts',
+        'src/**/__tests__/**',
+        'src/**/__mocks__/**',
+        'src/**/dto/**',
+        'node_modules',
+      ],
+      thresholds: {
+        statements: 60,
+        branches: 50,
+        functions: 60,
+        lines: 60,
+      },
+    },
   },
   resolve: {
     alias: {