diff --git a/adapters/analytics/persistence/inmemory/InMemoryAnalyticsSnapshotRepository.test.ts b/adapters/analytics/persistence/inmemory/InMemoryAnalyticsSnapshotRepository.test.ts
new file mode 100644
index 000000000..da8440d84
--- /dev/null
+++ b/adapters/analytics/persistence/inmemory/InMemoryAnalyticsSnapshotRepository.test.ts
@@ -0,0 +1,105 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { AnalyticsSnapshot } from '@core/analytics';
+import { InMemoryAnalyticsSnapshotRepository } from './InMemoryAnalyticsSnapshotRepository';
+
+describe('InMemoryAnalyticsSnapshotRepository', () => {
+  let repository: InMemoryAnalyticsSnapshotRepository;
+  let mockLogger: Logger;
+
+  beforeEach(() => {
+    mockLogger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    repository = new InMemoryAnalyticsSnapshotRepository(mockLogger);
+    repository.clear();
+  });
+
+  it('initializes with logger', () => {
+    expect(repository).toBeDefined();
+    expect(mockLogger.info).toHaveBeenCalledWith('InMemoryAnalyticsSnapshotRepository initialized.');
+  });
+
+  it('saves and finds by id', async () => {
+    const snapshot = AnalyticsSnapshot.createEmpty(
+      'snap-1',
+      'league',
+      'league-1',
+      'monthly',
+      new Date('2025-01-01T00:00:00.000Z'),
+      new Date('2025-02-01T00:00:00.000Z'),
+    );
+
+    await repository.save(snapshot);
+
+    const found = await repository.findById('snap-1');
+    expect(found).toBe(snapshot);
+  });
+
+  it('finds by entity and latest', async () => {
+    const a = AnalyticsSnapshot.createEmpty(
+      'snap-a',
+      'league',
+      'league-1',
+      'monthly',
+      new Date('2025-01-01T00:00:00.000Z'),
+      new Date('2025-02-01T00:00:00.000Z'),
+    );
+    const b = AnalyticsSnapshot.createEmpty(
+      'snap-b',
+      'league',
+      'league-1',
+      'monthly',
+      new Date('2025-02-01T00:00:00.000Z'),
+      new Date('2025-03-01T00:00:00.000Z'),
+    );
+    const other = AnalyticsSnapshot.createEmpty(
+      'snap-other',
+      'team',
+      'team-1',
+      'monthly',
+      new Date('2025-01-01T00:00:00.000Z'),
+      new Date('2025-02-01T00:00:00.000Z'),
+    );
+
+    await repository.save(a);
+    await repository.save(b);
+    await repository.save(other);
+
+    const byEntity = await repository.findByEntity('league', 'league-1');
+    expect(byEntity.map(s => s.id).sort()).toEqual(['snap-a', 'snap-b']);
+
+    const latest = await repository.findLatest('league', 'league-1', 'monthly');
+    expect(latest?.id).toBe('snap-b');
+
+    const history = await repository.getHistoricalSnapshots('league', 'league-1', 'monthly', 1);
+    expect(history.map(s => s.id)).toEqual(['snap-b']);
+  });
+
+  it('finds by period range', async () => {
+    const snapshot = AnalyticsSnapshot.createEmpty(
+      'snap-period',
+      'league',
+      'league-1',
+      'monthly',
+      new Date('2025-01-01T00:00:00.000Z'),
+      new Date('2025-02-01T00:00:00.000Z'),
+    );
+
+    await repository.save(snapshot);
+
+    const found = await repository.findByPeriod(
+      'league',
+      'league-1',
+      'monthly',
+      new Date('2024-12-15T00:00:00.000Z'),
+      new Date('2025-03-15T00:00:00.000Z'),
+    );
+
+    expect(found?.id).toBe('snap-period');
+  });
+});
diff --git a/adapters/analytics/persistence/inmemory/InMemoryEngagementRepository.test.ts b/adapters/analytics/persistence/inmemory/InMemoryEngagementRepository.test.ts
new file mode 100644
index 000000000..a9fd9c041
--- /dev/null
+++ b/adapters/analytics/persistence/inmemory/InMemoryEngagementRepository.test.ts
@@ -0,0 +1,83 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { EngagementEvent } from '@core/analytics';
+import { InMemoryEngagementRepository } from './InMemoryEngagementRepository';
+
+describe('InMemoryEngagementRepository', () => {
+  let repository: InMemoryEngagementRepository;
+  let mockLogger: Logger;
+
+  beforeEach(() => {
+    mockLogger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    repository = new InMemoryEngagementRepository(mockLogger);
+    repository.clear();
+  });
+
+  it('initializes with a logger', () => {
+    expect(repository).toBeDefined();
+    expect(mockLogger.info).toHaveBeenCalledWith('InMemoryEngagementRepository initialized.');
+  });
+
+  it('saves and queries engagement events', async () => {
+    const now = new Date('2025-01-01T12:00:00.000Z');
+    const event1 = EngagementEvent.create({
+      id: 'e1',
+      action: 'click_sponsor_logo',
+      entityType: 'league',
+      entityId: 'league-1',
+      actorType: 'driver',
+      actorId: 'driver-1',
+      sessionId: 's1',
+      timestamp: now,
+    });
+    const event2 = EngagementEvent.create({
+      id: 'e2',
+      action: 'view_schedule',
+      entityType: 'league',
+      entityId: 'league-1',
+      actorType: 'anonymous',
+      sessionId: 's2',
+      timestamp: new Date(now.getTime() + 1000),
+    });
+
+    await repository.save(event1);
+    await repository.save(event2);
+
+    expect((await repository.findById('e1'))?.id).toBe('e1');
+    expect((await repository.findByEntityId('league', 'league-1')).length).toBe(2);
+    expect((await repository.findByAction('view_schedule')).map(e => e.id)).toEqual(['e2']);
+
+    const inRange = await repository.findByDateRange(
+      new Date('2025-01-01T00:00:00.000Z'),
+      new Date('2025-01-01T23:59:59.999Z'),
+    );
+    expect(inRange.length).toBe(2);
+
+    const clicks = await repository.getSponsorClicksForEntity('league-1');
+    expect(clicks).toBe(1);
+
+    const counted = await repository.countByAction('view_schedule', 'league-1');
+    expect(counted).toBe(1);
+  });
+
+  it('seeds events', async () => {
+    const e = EngagementEvent.create({
+      id: 'seed-1',
+      action: 'view_schedule',
+      entityType: 'league',
+      entityId: 'league-2',
+      actorType: 'anonymous',
+      sessionId: 's3',
+    });
+
+    repository.seed([e]);
+
+    expect((await repository.findById('seed-1'))?.id).toBe('seed-1');
+  });
+});
diff --git a/adapters/analytics/persistence/inmemory/InMemoryPageViewRepository.test.ts b/adapters/analytics/persistence/inmemory/InMemoryPageViewRepository.test.ts
new file mode 100644
index 000000000..aa643c276
--- /dev/null
+++ b/adapters/analytics/persistence/inmemory/InMemoryPageViewRepository.test.ts
@@ -0,0 +1,91 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { PageView } from '@core/analytics';
+import { InMemoryPageViewRepository } from './InMemoryPageViewRepository';
+
+describe('InMemoryPageViewRepository', () => {
+  let repository: InMemoryPageViewRepository;
+  let mockLogger: Logger;
+
+  beforeEach(() => {
+    mockLogger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    repository = new InMemoryPageViewRepository(mockLogger);
+    repository.clear();
+  });
+
+  it('initializes with a logger', () => {
+    expect(repository).toBeDefined();
+    expect(mockLogger.info).toHaveBeenCalledWith('InMemoryPageViewRepository initialized.');
+  });
+
+  it('saves and queries page views', async () => {
+    const pv1 = PageView.create({
+      id: 'pv-1',
+      entityType: 'league',
+      entityId: 'league-1',
+      visitorType: 'anonymous',
+      sessionId: 'sess-1',
+      visitorId: 'visitor-1',
+      timestamp: new Date('2025-01-01T10:00:00.000Z'),
+    });
+    const pv2 = PageView.create({
+      id: 'pv-2',
+      entityType: 'league',
+      entityId: 'league-1',
+      visitorType: 'anonymous',
+      sessionId: 'sess-2',
+      visitorId: 'visitor-1',
+      timestamp: new Date('2025-01-02T10:00:00.000Z'),
+    });
+    const pv3 = PageView.create({
+      id: 'pv-3',
+      entityType: 'league',
+      entityId: 'league-1',
+      visitorType: 'anonymous',
+      sessionId: 'sess-3',
+      // no visitorId; should fall back to sessionId for uniqueness
+      timestamp: new Date('2025-01-02T11:00:00.000Z'),
+    });
+
+    await repository.save(pv1);
+    await repository.save(pv2);
+    await repository.save(pv3);
+
+    expect((await repository.findById('pv-1'))?.id).toBe('pv-1');
+    expect((await repository.findByEntityId('league', 'league-1')).length).toBe(3);
+
+    const range = await repository.findByDateRange(
+      new Date('2025-01-02T00:00:00.000Z'),
+      new Date('2025-01-02T23:59:59.999Z'),
+    );
+    expect(range.map(p => p.id).sort()).toEqual(['pv-2', 'pv-3']);
+
+    expect((await repository.findBySession('sess-2')).map(p => p.id)).toEqual(['pv-2']);
+
+    const count = await repository.countByEntityId('league', 'league-1');
+    expect(count).toBe(3);
+
+    const unique = await repository.countUniqueVisitors('league', 'league-1');
+    // visitor-1 + sess-3
+    expect(unique).toBe(2);
+  });
+
+  it('seeds page views', async () => {
+    const pv = PageView.create({
+      id: 'seed-pv',
+      entityType: 'team',
+      entityId: 'team-1',
+      visitorType: 'anonymous',
+      sessionId: 'sess-seed',
+    });
+
+    repository.seed([pv]);
+    expect((await repository.findById('seed-pv'))?.id).toBe('seed-pv');
+  });
+});
diff --git a/adapters/bootstrap/ScoringDemoSetup.ts b/adapters/bootstrap/ScoringDemoSetup.ts
index 4184f6a19..050ee5462 100644
--- a/adapters/bootstrap/ScoringDemoSetup.ts
+++ b/adapters/bootstrap/ScoringDemoSetup.ts
@@ -1,10 +1,12 @@
 import { Game } from '@core/racing/domain/entities/Game';
 import { Season } from '@core/racing/domain/entities/season/Season';
 import type { LeagueScoringConfig } from '@core/racing/domain/entities/LeagueScoringConfig';
-import { InMemoryGameRepository } from '../racing/persistence/inmemory/InMemoryScoringRepositories';
-import { InMemorySeasonRepository } from '../racing/persistence/inmemory/InMemoryScoringRepositories';
-import { InMemoryLeagueScoringConfigRepository } from '../racing/persistence/inmemory/InMemoryScoringRepositories';
-import { InMemoryChampionshipStandingRepository } from '../racing/persistence/inmemory/InMemoryScoringRepositories';
+import {
+  InMemoryChampionshipStandingRepository,
+  InMemoryGameRepository,
+  InMemoryLeagueScoringConfigRepository,
+  InMemorySeasonRepository,
+} from '../racing/persistence/inmemory/InMemoryScoringRepositories';
 import type { Logger } from '@core/shared/application';
 import { getLeagueScoringPresetById } from './LeagueScoringPresets';
 
diff --git a/adapters/identity/persistence/inmemory/InMemoryAchievementRepository.test.ts b/adapters/identity/persistence/inmemory/InMemoryAchievementRepository.test.ts
new file mode 100644
index 000000000..095d592be
--- /dev/null
+++ b/adapters/identity/persistence/inmemory/InMemoryAchievementRepository.test.ts
@@ -0,0 +1,56 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import type { UserAchievement } from '@core/identity';
+import { InMemoryAchievementRepository } from './InMemoryAchievementRepository';
+
+describe('InMemoryAchievementRepository (identity)', () => {
+  let repository: InMemoryAchievementRepository;
+  let logger: Logger;
+
+  beforeEach(() => {
+    logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    repository = new InMemoryAchievementRepository(logger);
+  });
+
+  it('seeds predefined achievements', async () => {
+    const all = await repository.findAllAchievements();
+    expect(all.length).toBeGreaterThan(0);
+
+    const first = all[0]!;
+    const found = await repository.findAchievementById(first.id);
+    expect(found?.id).toBe(first.id);
+  });
+
+  it('creates and queries user achievements and stats', async () => {
+    const all = await repository.findAllAchievements();
+    const achievement = all[0]!;
+    const userId = 'user-1';
+
+    const ua: UserAchievement = {
+      id: 'ua-1',
+      userId,
+      achievementId: achievement.id,
+      isComplete: () => true,
+    } as unknown as UserAchievement;
+
+    await repository.createUserAchievement(ua);
+
+    expect(await repository.hasUserEarnedAchievement(userId, achievement.id)).toBe(true);
+
+    const leaderboard = await repository.getAchievementLeaderboard(10);
+    expect(leaderboard.length).toBe(1);
+    expect(leaderboard[0]?.userId).toBe(userId);
+    expect(leaderboard[0]?.count).toBe(1);
+
+    const stats = await repository.getUserAchievementStats(userId);
+    expect(stats.total).toBe(1);
+    expect(stats.points).toBeGreaterThan(0);
+    expect(Object.values(stats.byCategory).reduce((a, b) => a + b, 0)).toBe(1);
+  });
+});
diff --git a/adapters/identity/persistence/inmemory/InMemoryAuthRepository.test.ts b/adapters/identity/persistence/inmemory/InMemoryAuthRepository.test.ts
new file mode 100644
index 000000000..a6dfae220
--- /dev/null
+++ b/adapters/identity/persistence/inmemory/InMemoryAuthRepository.test.ts
@@ -0,0 +1,69 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { UserId } from '@core/identity';
+import { User } from '@core/identity/domain/entities/User';
+import { InMemoryUserRepository } from './InMemoryUserRepository';
+import { InMemoryAuthRepository } from './InMemoryAuthRepository';
+import { InMemoryPasswordHashingService } from '../../services/InMemoryPasswordHashingService';
+
+describe('InMemoryAuthRepository', () => {
+  let mockLogger: Logger;
+
+  beforeEach(() => {
+    mockLogger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+  });
+
+  it('creates and verifies a user password', async () => {
+    const userRepo = new InMemoryUserRepository(mockLogger);
+    const passwordService = new InMemoryPasswordHashingService();
+    const authRepo = new InMemoryAuthRepository(userRepo, passwordService, mockLogger);
+
+    const user = User.create({
+      id: UserId.fromString('user-1'),
+      displayName: 'Test User',
+      email: 'test@example.com',
+    });
+
+    const created = await authRepo.create(user, 'password123');
+    expect(created.getEmail()).toBe('test@example.com');
+
+    expect(await authRepo.userExists('test@example.com')).toBe(true);
+
+    const ok = await authRepo.verifyPassword('test@example.com', 'password123');
+    expect(ok).not.toBeNull();
+    expect(ok?.getId().value).toBe('user-1');
+
+    const bad = await authRepo.verifyPassword('test@example.com', 'wrong');
+    expect(bad).toBeNull();
+  });
+
+  it('save updates existing user', async () => {
+    const userRepo = new InMemoryUserRepository(mockLogger);
+    const passwordService = new InMemoryPasswordHashingService();
+    const authRepo = new InMemoryAuthRepository(userRepo, passwordService, mockLogger);
+
+    const user = User.create({
+      id: UserId.fromString('user-2'),
+      displayName: 'User Two',
+      email: 'two@example.com',
+    });
+
+    await authRepo.create(user, 'pw');
+
+    const updated = User.create({
+      id: UserId.fromString('user-2'),
+      displayName: 'User Two Updated',
+      email: 'two@example.com',
+    });
+
+    await authRepo.save(updated);
+
+    const stored = await userRepo.findById('user-2');
+    expect(stored?.displayName).toBe('User Two Updated');
+  });
+});
diff --git a/adapters/identity/persistence/inmemory/InMemorySponsorAccountRepository.test.ts b/adapters/identity/persistence/inmemory/InMemorySponsorAccountRepository.test.ts
new file mode 100644
index 000000000..2c639c0fb
--- /dev/null
+++ b/adapters/identity/persistence/inmemory/InMemorySponsorAccountRepository.test.ts
@@ -0,0 +1,54 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { UserId, type SponsorAccount } from '@core/identity';
+import { InMemorySponsorAccountRepository } from './InMemorySponsorAccountRepository';
+
+describe('InMemorySponsorAccountRepository', () => {
+  let repository: InMemorySponsorAccountRepository;
+  let logger: Logger;
+
+  const makeAccount = (id: string, sponsorId: string, email: string): SponsorAccount => {
+    return {
+      getId: () => ({ value: id }),
+      getSponsorId: () => sponsorId,
+      getEmail: () => email,
+    } as unknown as SponsorAccount;
+  };
+
+  beforeEach(() => {
+    logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    repository = new InMemorySponsorAccountRepository(logger);
+    repository.clear();
+  });
+
+  it('saves and finds sponsor accounts by id / sponsorId / email', async () => {
+    const account = makeAccount('user-1', 'sponsor-1', 'Sponsor@Example.com');
+
+    await repository.save(account);
+
+    expect(await repository.findById(UserId.fromString('user-1'))).toBe(account);
+    expect(await repository.findBySponsorId('sponsor-1')).toBe(account);
+    expect(await repository.findByEmail('sponsor@example.com')).toBe(account);
+  });
+
+  it('deletes sponsor accounts', async () => {
+    const account = makeAccount('user-del', 'sponsor-del', 'del@example.com');
+    await repository.save(account);
+
+    await repository.delete(UserId.fromString('user-del'));
+    expect(await repository.findById(UserId.fromString('user-del'))).toBeNull();
+  });
+
+  it('seeds via constructor', async () => {
+    const seeded = makeAccount('user-seed', 'sponsor-seed', 'seed@example.com');
+    repository = new InMemorySponsorAccountRepository(logger, [seeded]);
+
+    expect(await repository.findBySponsorId('sponsor-seed')).toBe(seeded);
+  });
+});
diff --git a/adapters/identity/persistence/inmemory/InMemoryUserRatingRepository.test.ts b/adapters/identity/persistence/inmemory/InMemoryUserRatingRepository.test.ts
new file mode 100644
index 000000000..eca75b227
--- /dev/null
+++ b/adapters/identity/persistence/inmemory/InMemoryUserRatingRepository.test.ts
@@ -0,0 +1,57 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import type { UserRating } from '@core/identity';
+import { InMemoryUserRatingRepository } from './InMemoryUserRatingRepository';
+
+describe('InMemoryUserRatingRepository', () => {
+  let repository: InMemoryUserRatingRepository;
+  let mockLogger: Logger;
+
+  const rating = (userId: string, driverValue: number, trustValue: number, canSteward: boolean): UserRating => {
+    return {
+      userId,
+      driver: { sampleSize: 10, value: driverValue },
+      trust: { sampleSize: 5, value: trustValue },
+      canBeSteward: () => canSteward,
+      getDriverTier: () => (driverValue >= 2400 ? 'elite' : 'rookie'),
+    } as unknown as UserRating;
+  };
+
+  beforeEach(() => {
+    mockLogger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    repository = new InMemoryUserRatingRepository(mockLogger);
+    repository.clear();
+  });
+
+  it('saves and finds ratings', async () => {
+    await repository.save(rating('u1', 2300, 50, false));
+    await repository.save(rating('u2', 2500, 70, true));
+
+    expect((await repository.findByUserId('u1'))?.userId).toBe('u1');
+    expect((await repository.findByUserIds(['u1', 'u2'])).length).toBe(2);
+
+    const topDrivers = await repository.getTopDrivers(1);
+    expect(topDrivers[0]?.userId).toBe('u2');
+
+    const topTrusted = await repository.getTopTrusted(1);
+    expect(topTrusted[0]?.userId).toBe('u2');
+
+    const stewards = await repository.getEligibleStewards();
+    expect(stewards.map(r => r.userId)).toEqual(['u2']);
+
+    const elite = await repository.findByDriverTier('elite');
+    expect(elite.map(r => r.userId)).toEqual(['u2']);
+  });
+
+  it('deletes ratings', async () => {
+    await repository.save(rating('u3', 2200, 10, false));
+    await repository.delete('u3');
+    expect(await repository.findByUserId('u3')).toBeNull();
+  });
+});
diff --git a/adapters/identity/persistence/inmemory/InMemoryUserRepository.test.ts b/adapters/identity/persistence/inmemory/InMemoryUserRepository.test.ts
new file mode 100644
index 000000000..eeeab7b72
--- /dev/null
+++ b/adapters/identity/persistence/inmemory/InMemoryUserRepository.test.ts
@@ -0,0 +1,69 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import type { StoredUser } from '@core/identity/domain/repositories/IUserRepository';
+import { InMemoryUserRepository } from './InMemoryUserRepository';
+
+describe('InMemoryUserRepository', () => {
+  let repository: InMemoryUserRepository;
+  let mockLogger: Logger;
+
+  beforeEach(() => {
+    mockLogger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    const seeded: StoredUser[] = [
+      {
+        id: 'u1',
+        email: 'seed@example.com',
+        displayName: 'Seed',
+        passwordHash: 'hash',
+        salt: 'salt',
+        createdAt: new Date('2025-01-01T00:00:00.000Z'),
+      },
+    ];
+
+    repository = new InMemoryUserRepository(mockLogger, seeded);
+  });
+
+  it('finds by email and id', async () => {
+    expect((await repository.findByEmail('seed@example.com'))?.id).toBe('u1');
+    expect((await repository.findById('u1'))?.email).toBe('seed@example.com');
+    expect(await repository.findByEmail('missing@example.com')).toBeNull();
+  });
+
+  it('creates and rejects duplicate emails', async () => {
+    const user: StoredUser = {
+      id: 'u2',
+      email: 'new@example.com',
+      displayName: 'New',
+      passwordHash: 'hash2',
+      salt: 'salt2',
+      createdAt: new Date(),
+    };
+
+    await repository.create(user);
+    expect(await repository.emailExists('new@example.com')).toBe(true);
+
+    await expect(repository.create({ ...user, id: 'u3' })).rejects.toThrow('Email already exists');
+  });
+
+  it('updates and maintains email index', async () => {
+    const existing = await repository.findById('u1');
+    expect(existing).not.toBeNull();
+
+    const updated: StoredUser = {
+      ...(existing as StoredUser),
+      email: 'changed@example.com',
+      displayName: 'Changed',
+    };
+
+    await repository.update(updated);
+
+    expect(await repository.findByEmail('seed@example.com')).toBeNull();
+    expect((await repository.findByEmail('changed@example.com'))?.displayName).toBe('Changed');
+  });
+});
diff --git a/adapters/identity/services/InMemoryPasswordHashingService.test.ts b/adapters/identity/services/InMemoryPasswordHashingService.test.ts
new file mode 100644
index 000000000..aff296165
--- /dev/null
+++ b/adapters/identity/services/InMemoryPasswordHashingService.test.ts
@@ -0,0 +1,14 @@
+import { describe, expect, it } from 'vitest';
+import { InMemoryPasswordHashingService } from './InMemoryPasswordHashingService';
+
+describe('InMemoryPasswordHashingService', () => {
+  it('hashes and verifies deterministically', async () => {
+    const service = new InMemoryPasswordHashingService();
+
+    const hash = await service.hash('secret');
+    expect(hash).toBe('demo_salt_terces');
+
+    expect(await service.verify('secret', hash)).toBe(true);
+    expect(await service.verify('wrong', hash)).toBe(false);
+  });
+});
diff --git a/adapters/logging/ConsoleLogger.test.ts b/adapters/logging/ConsoleLogger.test.ts
index 1be54f2dd..33133352f 100644
--- a/adapters/logging/ConsoleLogger.test.ts
+++ b/adapters/logging/ConsoleLogger.test.ts
@@ -23,37 +23,47 @@ describe('ConsoleLogger', () => {
     consoleErrorSpy.mockRestore();
   });
 
-  it('should call console.debug with the correct arguments when debug is called', () => {
+  it('should call console.debug with a formatted message when debug is called', () => {
     const message = 'Debug message';
     const context = { key: 'value' };
     logger.debug(message, context);
     expect(consoleDebugSpy).toHaveBeenCalledTimes(1);
-    expect(consoleDebugSpy).toHaveBeenCalledWith(message, context);
+    expect(consoleDebugSpy).toHaveBeenCalledWith(
+      expect.stringContaining('DEBUG: Debug message | {"key":"value"}'),
+    );
   });
 
-  it('should call console.info with the correct arguments when info is called', () => {
+  it('should call console.info with a formatted message when info is called', () => {
     const message = 'Info message';
     const context = { key: 'value' };
     logger.info(message, context);
     expect(consoleInfoSpy).toHaveBeenCalledTimes(1);
-    expect(consoleInfoSpy).toHaveBeenCalledWith(message, context);
+    expect(consoleInfoSpy).toHaveBeenCalledWith(
+      expect.stringContaining('INFO: Info message | {"key":"value"}'),
+    );
   });
 
-  it('should call console.warn with the correct arguments when warn is called', () => {
+  it('should call console.warn with a formatted message when warn is called', () => {
     const message = 'Warn message';
     const context = { key: 'value' };
     logger.warn(message, context);
     expect(consoleWarnSpy).toHaveBeenCalledTimes(1);
-    expect(consoleWarnSpy).toHaveBeenCalledWith(message, context);
+    expect(consoleWarnSpy).toHaveBeenCalledWith(
+      expect.stringContaining('WARN: Warn message | {"key":"value"}'),
+    );
   });
 
-  it('should call console.error with the correct arguments when error is called', () => {
+  it('should call console.error with a formatted message when error is called', () => {
     const message = 'Error message';
     const error = new Error('Something went wrong');
     const context = { key: 'value' };
     logger.error(message, error, context);
     expect(consoleErrorSpy).toHaveBeenCalledTimes(1);
-    expect(consoleErrorSpy).toHaveBeenCalledWith(message, error, context);
+    expect(consoleErrorSpy).toHaveBeenCalledWith(
+      expect.stringContaining(
+        'ERROR: Error message | {"key":"value"} | Error: Something went wrong',
+      ),
+    );
   });
 
 });
\ No newline at end of file
diff --git a/adapters/media/persistence/inmemory/InMemoryAvatarGenerationRepository.test.ts b/adapters/media/persistence/inmemory/InMemoryAvatarGenerationRepository.test.ts
new file mode 100644
index 000000000..0ca3ea771
--- /dev/null
+++ b/adapters/media/persistence/inmemory/InMemoryAvatarGenerationRepository.test.ts
@@ -0,0 +1,69 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { AvatarGenerationRequest } from '@core/media/domain/entities/AvatarGenerationRequest';
+import { InMemoryAvatarGenerationRepository } from './InMemoryAvatarGenerationRepository';
+
+describe('InMemoryAvatarGenerationRepository', () => {
+  let repository: InMemoryAvatarGenerationRepository;
+  let mockLogger: Logger;
+
+  beforeEach(() => {
+    mockLogger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    repository = new InMemoryAvatarGenerationRepository(mockLogger);
+  });
+
+  it('saves and finds latest by user', async () => {
+    const base1 = AvatarGenerationRequest.create({
+      id: 'req-1',
+      userId: 'user-1',
+      facePhotoUrl: 'https://example.com/face1.png',
+      suitColor: 'red',
+    });
+
+    const base2 = AvatarGenerationRequest.create({
+      id: 'req-2',
+      userId: 'user-1',
+      facePhotoUrl: 'https://example.com/face2.png',
+      suitColor: 'blue',
+    });
+
+    const r1Props = base1.toProps();
+    const r2Props = base2.toProps();
+
+    const r1 = AvatarGenerationRequest.reconstitute(r1Props);
+    const r2 = AvatarGenerationRequest.reconstitute({
+      ...r2Props,
+      createdAt: new Date(r1Props.createdAt.getTime() + 1000),
+      updatedAt: new Date(r1Props.updatedAt.getTime() + 1000),
+    });
+
+    await repository.save(r1);
+    await repository.save(r2);
+
+    expect((await repository.findById('req-1'))?.id).toBe('req-1');
+    expect((await repository.findByUserId('user-1')).length).toBe(2);
+
+    const latest = await repository.findLatestByUserId('user-1');
+    expect(latest?.id).toBe('req-2');
+  });
+
+  it('deletes requests', async () => {
+    const r = AvatarGenerationRequest.create({
+      id: 'req-del',
+      userId: 'user-del',
+      facePhotoUrl: 'https://example.com/face.png',
+      suitColor: 'green',
+    });
+
+    await repository.save(r);
+    await repository.delete('req-del');
+
+    expect(await repository.findById('req-del')).toBeNull();
+  });
+});
diff --git a/adapters/media/ports/InMemoryFaceValidationAdapter.test.ts b/adapters/media/ports/InMemoryFaceValidationAdapter.test.ts
new file mode 100644
index 000000000..877634b53
--- /dev/null
+++ b/adapters/media/ports/InMemoryFaceValidationAdapter.test.ts
@@ -0,0 +1,21 @@
+import { describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { InMemoryFaceValidationAdapter } from './InMemoryFaceValidationAdapter';
+
+describe('InMemoryFaceValidationAdapter', () => {
+  it('validates face photos as valid (mock)', async () => {
+    const logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    const adapter = new InMemoryFaceValidationAdapter(logger);
+
+    const result = await adapter.validateFacePhoto('data');
+    expect(result.isValid).toBe(true);
+    expect(result.hasFace).toBe(true);
+    expect(result.faceCount).toBe(1);
+  });
+});
diff --git a/adapters/media/ports/InMemoryImageServiceAdapter.test.ts b/adapters/media/ports/InMemoryImageServiceAdapter.test.ts
new file mode 100644
index 000000000..364bd72aa
--- /dev/null
+++ b/adapters/media/ports/InMemoryImageServiceAdapter.test.ts
@@ -0,0 +1,21 @@
+import { describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { InMemoryImageServiceAdapter } from './InMemoryImageServiceAdapter';
+
+describe('InMemoryImageServiceAdapter', () => {
+  it('returns mock urls', () => {
+    const logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    const adapter = new InMemoryImageServiceAdapter(logger);
+
+    expect(adapter.getDriverAvatar('driver-1')).toContain('/avatars/driver-1.png');
+    expect(adapter.getTeamLogo('team-1')).toContain('/logos/team-team-1.png');
+    expect(adapter.getLeagueCover('league-1')).toContain('/covers/league-league-1.png');
+    expect(adapter.getLeagueLogo('league-1')).toContain('/logos/league-league-1.png');
+  });
+});
diff --git a/adapters/notifications/persistence/inmemory/InMemoryNotificationPreferenceRepository.test.ts b/adapters/notifications/persistence/inmemory/InMemoryNotificationPreferenceRepository.test.ts
new file mode 100644
index 000000000..0fd709546
--- /dev/null
+++ b/adapters/notifications/persistence/inmemory/InMemoryNotificationPreferenceRepository.test.ts
@@ -0,0 +1,39 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { NotificationPreference } from '@core/notifications/domain/entities/NotificationPreference';
+import { InMemoryNotificationPreferenceRepository } from './InMemoryNotificationPreferenceRepository';
+
+describe('InMemoryNotificationPreferenceRepository', () => {
+  let repository: InMemoryNotificationPreferenceRepository;
+  let logger: Logger;
+
+  beforeEach(() => {
+    logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    repository = new InMemoryNotificationPreferenceRepository(logger);
+  });
+
+  it('returns default preferences when missing', async () => {
+    const pref = await repository.getOrCreateDefault('driver-1');
+    expect(pref).toBeInstanceOf(NotificationPreference);
+    expect(pref.driverId).toBe('driver-1');
+
+    const found = await repository.findByDriverId('driver-1');
+    expect(found?.driverId).toBe('driver-1');
+  });
+
+  it('saves and deletes', async () => {
+    const pref = NotificationPreference.createDefault('driver-2');
+    await repository.save(pref);
+
+    expect((await repository.findByDriverId('driver-2'))?.driverId).toBe('driver-2');
+
+    await repository.delete('driver-2');
+    expect(await repository.findByDriverId('driver-2')).toBeNull();
+  });
+});
diff --git a/adapters/notifications/persistence/inmemory/InMemoryNotificationRepository.test.ts b/adapters/notifications/persistence/inmemory/InMemoryNotificationRepository.test.ts
new file mode 100644
index 000000000..24bba78ea
--- /dev/null
+++ b/adapters/notifications/persistence/inmemory/InMemoryNotificationRepository.test.ts
@@ -0,0 +1,80 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { Notification } from '@core/notifications/domain/entities/Notification';
+import { InMemoryNotificationRepository } from './InMemoryNotificationRepository';
+
+describe('InMemoryNotificationRepository', () => {
+  let repository: InMemoryNotificationRepository;
+  let logger: Logger;
+
+  beforeEach(() => {
+    logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    repository = new InMemoryNotificationRepository(logger);
+  });
+
+  it('creates, finds, counts and marks as read', async () => {
+    const n1 = Notification.create({
+      id: 'n1',
+      recipientId: 'driver-1',
+      type: 'system_announcement',
+      title: 'T1',
+      body: 'B1',
+      channel: 'in_app',
+      status: 'unread',
+    });
+    const n2 = Notification.create({
+      id: 'n2',
+      recipientId: 'driver-1',
+      type: 'system_announcement',
+      title: 'T2',
+      body: 'B2',
+      channel: 'in_app',
+      status: 'unread',
+    });
+    const n3 = Notification.create({
+      id: 'n3',
+      recipientId: 'driver-2',
+      type: 'system_announcement',
+      title: 'T3',
+      body: 'B3',
+      channel: 'in_app',
+      status: 'unread',
+    });
+
+    await repository.create(n1);
+    await repository.create(n2);
+    await repository.create(n3);
+
+    expect((await repository.findById('n1'))?.id).toBe('n1');
+    expect((await repository.findByRecipientId('driver-1')).length).toBe(2);
+    expect(await repository.countUnreadByRecipientId('driver-1')).toBe(2);
+
+    await repository.markAllAsReadByRecipientId('driver-1');
+    expect(await repository.countUnreadByRecipientId('driver-1')).toBe(0);
+
+    const unread = await repository.findUnreadByRecipientId('driver-1');
+    expect(unread).toEqual([]);
+  });
+
+  it('deletes all by recipient', async () => {
+    const n = Notification.create({
+      id: 'n-del',
+      recipientId: 'driver-del',
+      type: 'system_announcement',
+      title: 'T',
+      body: 'B',
+      channel: 'in_app',
+    });
+
+    await repository.create(n);
+    await repository.deleteAllByRecipientId('driver-del');
+
+    expect(await repository.findById('n-del')).toBeNull();
+  });
+});
diff --git a/adapters/payments/persistence/inmemory/InMemoryMembershipFeeRepository.test.ts b/adapters/payments/persistence/inmemory/InMemoryMembershipFeeRepository.test.ts
new file mode 100644
index 000000000..da35fed33
--- /dev/null
+++ b/adapters/payments/persistence/inmemory/InMemoryMembershipFeeRepository.test.ts
@@ -0,0 +1,102 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application/Logger';
+import type { MembershipFee } from '@core/payments/domain/entities/MembershipFee';
+import { MembershipFeeType } from '@core/payments/domain/entities/MembershipFee';
+import type { MemberPayment } from '@core/payments/domain/entities/MemberPayment';
+import { MemberPaymentStatus } from '@core/payments/domain/entities/MemberPayment';
+import { InMemoryMemberPaymentRepository, InMemoryMembershipFeeRepository } from './InMemoryMembershipFeeRepository';
+
+describe('InMemoryMembershipFeeRepository', () => {
+  let feeRepo: InMemoryMembershipFeeRepository;
+  let paymentRepo: InMemoryMemberPaymentRepository;
+  let logger: Logger;
+
+  beforeEach(() => {
+    logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    feeRepo = new InMemoryMembershipFeeRepository(logger);
+    paymentRepo = new InMemoryMemberPaymentRepository(logger);
+  });
+
+  it('creates and finds membership fees', async () => {
+    const fee: MembershipFee = {
+      id: 'fee-1',
+      leagueId: 'league-1',
+      type: MembershipFeeType.SEASON,
+      amount: 100,
+      enabled: true,
+      createdAt: new Date('2025-01-01T00:00:00.000Z'),
+      updatedAt: new Date('2025-01-01T00:00:00.000Z'),
+    };
+
+    await feeRepo.create(fee);
+
+    expect((await feeRepo.findById('fee-1'))?.id).toBe('fee-1');
+    expect((await feeRepo.findByLeagueId('league-1'))?.id).toBe('fee-1');
+
+    const updated = await feeRepo.update({
+      ...fee,
+      amount: 120,
+      updatedAt: new Date('2025-01-02T00:00:00.000Z'),
+    });
+    expect(updated.amount).toBe(120);
+  });
+
+  it('creates and queries member payments by league via fee lookup', async () => {
+    const fee1: MembershipFee = {
+      id: 'fee-a',
+      leagueId: 'league-a',
+      type: MembershipFeeType.SEASON,
+      amount: 100,
+      enabled: true,
+      createdAt: new Date('2025-01-01T00:00:00.000Z'),
+      updatedAt: new Date('2025-01-01T00:00:00.000Z'),
+    };
+    const fee2: MembershipFee = {
+      id: 'fee-b',
+      leagueId: 'league-b',
+      type: MembershipFeeType.SEASON,
+      amount: 50,
+      enabled: true,
+      createdAt: new Date('2025-01-01T00:00:00.000Z'),
+      updatedAt: new Date('2025-01-01T00:00:00.000Z'),
+    };
+
+    await feeRepo.create(fee1);
+    await feeRepo.create(fee2);
+
+    const p1: MemberPayment = {
+      id: 'mp-1',
+      feeId: 'fee-a',
+      driverId: 'driver-1',
+      amount: 100,
+      platformFee: 5,
+      netAmount: 95,
+      status: MemberPaymentStatus.PENDING,
+      dueDate: new Date('2025-02-01T00:00:00.000Z'),
+    };
+    const p2: MemberPayment = {
+      id: 'mp-2',
+      feeId: 'fee-b',
+      driverId: 'driver-1',
+      amount: 50,
+      platformFee: 2.5,
+      netAmount: 47.5,
+      status: MemberPaymentStatus.PENDING,
+      dueDate: new Date('2025-02-01T00:00:00.000Z'),
+    };
+
+    await paymentRepo.create(p1);
+    await paymentRepo.create(p2);
+
+    expect((await paymentRepo.findByFeeIdAndDriverId('fee-a', 'driver-1'))?.id).toBe('mp-1');
+
+    const leagueAPayments = await paymentRepo.findByLeagueIdAndDriverId('league-a', 'driver-1', feeRepo);
+    expect(leagueAPayments.map(p => p.id)).toEqual(['mp-1']);
+  });
+});
diff --git a/adapters/payments/persistence/inmemory/InMemoryPaymentRepository.test.ts b/adapters/payments/persistence/inmemory/InMemoryPaymentRepository.test.ts
new file mode 100644
index 000000000..5aa81a4c8
--- /dev/null
+++ b/adapters/payments/persistence/inmemory/InMemoryPaymentRepository.test.ts
@@ -0,0 +1,64 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application/Logger';
+import type { Payment } from '@core/payments/domain/entities/Payment';
+import { PaymentType, PaymentStatus, PayerType } from '@core/payments/domain/entities/Payment';
+import { InMemoryPaymentRepository } from './InMemoryPaymentRepository';
+
+describe('InMemoryPaymentRepository', () => {
+  let repository: InMemoryPaymentRepository;
+  let logger: Logger;
+
+  beforeEach(() => {
+    logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+    repository = new InMemoryPaymentRepository(logger);
+  });
+
+  it('creates and finds by filters', async () => {
+    const payment: Payment = {
+      id: 'pay-1',
+      type: PaymentType.SPONSORSHIP,
+      amount: 100,
+      platformFee: 5,
+      netAmount: 95,
+      payerId: 'sponsor-1',
+      payerType: PayerType.SPONSOR,
+      leagueId: 'league-1',
+      status: PaymentStatus.PENDING,
+      createdAt: new Date('2025-01-01T00:00:00.000Z'),
+    };
+
+    await repository.create(payment);
+
+    expect((await repository.findById('pay-1'))?.id).toBe('pay-1');
+    expect((await repository.findByLeagueId('league-1')).length).toBeGreaterThanOrEqual(1);
+    expect((await repository.findByPayerId('sponsor-1')).length).toBeGreaterThanOrEqual(1);
+    expect((await repository.findByType(PaymentType.SPONSORSHIP)).length).toBeGreaterThanOrEqual(1);
+
+    const filtered = await repository.findByFilters({ leagueId: 'league-1', payerId: 'sponsor-1', type: PaymentType.SPONSORSHIP });
+    expect(filtered.map(p => p.id)).toContain('pay-1');
+  });
+
+  it('updates', async () => {
+    const payment: Payment = {
+      id: 'pay-2',
+      type: PaymentType.MEMBERSHIP_FEE,
+      amount: 50,
+      platformFee: 2.5,
+      netAmount: 47.5,
+      payerId: 'driver-1',
+      payerType: PayerType.DRIVER,
+      leagueId: 'league-2',
+      status: PaymentStatus.PENDING,
+      createdAt: new Date('2025-01-02T00:00:00.000Z'),
+    };
+
+    await repository.create(payment);
+    const updated = await repository.update({ ...payment, status: PaymentStatus.COMPLETED, completedAt: new Date('2025-01-03T00:00:00.000Z') });
+    expect(updated.status).toBe(PaymentStatus.COMPLETED);
+  });
+});
diff --git a/adapters/payments/persistence/inmemory/InMemoryPrizeRepository.test.ts b/adapters/payments/persistence/inmemory/InMemoryPrizeRepository.test.ts
new file mode 100644
index 000000000..f5e29ff3c
--- /dev/null
+++ b/adapters/payments/persistence/inmemory/InMemoryPrizeRepository.test.ts
@@ -0,0 +1,45 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application/Logger';
+import type { Prize } from '@core/payments/domain/entities/Prize';
+import { PrizeType } from '@core/payments/domain/entities/Prize';
+import { InMemoryPrizeRepository } from './InMemoryPrizeRepository';
+
+describe('InMemoryPrizeRepository', () => {
+  let repository: InMemoryPrizeRepository;
+  let logger: Logger;
+
+  beforeEach(() => {
+    logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+    repository = new InMemoryPrizeRepository(logger);
+  });
+
+  it('creates and queries prizes', async () => {
+    const prize: Prize = {
+      id: 'prize-1',
+      leagueId: 'league-1',
+      seasonId: 'season-1',
+      position: 1,
+      name: 'First Place',
+      amount: 100,
+      type: PrizeType.CASH,
+      description: 'First place',
+      awarded: false,
+      createdAt: new Date('2025-01-01T00:00:00.000Z'),
+    };
+
+    await repository.create(prize);
+
+    expect((await repository.findById('prize-1'))?.id).toBe('prize-1');
+    expect((await repository.findByLeagueId('league-1')).map(p => p.id)).toContain('prize-1');
+    expect((await repository.findByLeagueIdAndSeasonId('league-1', 'season-1')).map(p => p.id)).toContain('prize-1');
+    expect((await repository.findByPosition('league-1', 'season-1', 1))?.id).toBe('prize-1');
+
+    await repository.delete('prize-1');
+    expect(await repository.findById('prize-1')).toBeNull();
+  });
+});
diff --git a/adapters/payments/persistence/inmemory/InMemoryWalletRepository.test.ts b/adapters/payments/persistence/inmemory/InMemoryWalletRepository.test.ts
new file mode 100644
index 000000000..15babcb30
--- /dev/null
+++ b/adapters/payments/persistence/inmemory/InMemoryWalletRepository.test.ts
@@ -0,0 +1,60 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application/Logger';
+import type { Wallet, Transaction } from '@core/payments/domain/entities/Wallet';
+import { TransactionType } from '@core/payments/domain/entities/Wallet';
+import { InMemoryTransactionRepository, InMemoryWalletRepository } from './InMemoryWalletRepository';
+
+describe('InMemoryWalletRepository', () => {
+  let walletRepo: InMemoryWalletRepository;
+  let txRepo: InMemoryTransactionRepository;
+  let logger: Logger;
+
+  beforeEach(() => {
+    logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    walletRepo = new InMemoryWalletRepository(logger);
+    txRepo = new InMemoryTransactionRepository(logger);
+  });
+
+  it('creates and finds wallets', async () => {
+    const wallet: Wallet = {
+      id: 'wallet-1',
+      leagueId: 'league-1',
+      balance: 0,
+      totalRevenue: 0,
+      totalPlatformFees: 0,
+      totalWithdrawn: 0,
+      currency: 'USD',
+      createdAt: new Date('2025-01-01T00:00:00.000Z'),
+    };
+
+    await walletRepo.create(wallet);
+
+    expect((await walletRepo.findById('wallet-1'))?.id).toBe('wallet-1');
+    expect((await walletRepo.findByLeagueId('league-1'))?.id).toBe('wallet-1');
+
+    const updated = await walletRepo.update({ ...wallet, balance: 10 });
+    expect(updated.balance).toBe(10);
+  });
+
+  it('creates and queries transactions', async () => {
+    const tx: Transaction = {
+      id: 'tx-1',
+      walletId: 'wallet-2',
+      type: TransactionType.DEPOSIT,
+      amount: 25,
+      description: 'Test deposit',
+      createdAt: new Date('2025-01-02T00:00:00.000Z'),
+    };
+
+    await txRepo.create(tx);
+
+    expect((await txRepo.findById('tx-1'))?.id).toBe('tx-1');
+    expect((await txRepo.findByWalletId('wallet-2')).map(t => t.id)).toContain('tx-1');
+  });
+});
diff --git a/adapters/persistence/inmemory/achievement/InMemoryAchievementRepository.test.ts b/adapters/persistence/inmemory/achievement/InMemoryAchievementRepository.test.ts
new file mode 100644
index 000000000..2873d533c
--- /dev/null
+++ b/adapters/persistence/inmemory/achievement/InMemoryAchievementRepository.test.ts
@@ -0,0 +1,18 @@
+import { describe, expect, it } from 'vitest';
+import { InMemoryAchievementRepository } from './InMemoryAchievementRepository';
+
+describe('adapters/persistence/inmemory/achievement/InMemoryAchievementRepository', () => {
+  it('saves and queries achievements', async () => {
+    const repo = new InMemoryAchievementRepository();
+
+    const achievement: { id: string } = { id: 'a1' };
+
+    await repo.save(achievement as unknown as Parameters<InMemoryAchievementRepository['save']>[0]);
+
+    const found = await repo.findById('a1');
+    expect((found as { id: string } | null)?.id).toBe('a1');
+
+    const all = await repo.findAll();
+    expect(all.map(a => (a as { id: string }).id)).toContain('a1');
+  });
+});
diff --git a/adapters/racing/persistence/inmemory/InMemoryLeagueMembershipRepository.test.ts b/adapters/racing/persistence/inmemory/InMemoryLeagueMembershipRepository.test.ts
new file mode 100644
index 000000000..34ac07ec9
--- /dev/null
+++ b/adapters/racing/persistence/inmemory/InMemoryLeagueMembershipRepository.test.ts
@@ -0,0 +1,52 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { InMemoryLeagueMembershipRepository } from './InMemoryLeagueMembershipRepository';
+
+describe('InMemoryLeagueMembershipRepository', () => {
+  let repository: InMemoryLeagueMembershipRepository;
+  let logger: Logger;
+
+  beforeEach(() => {
+    logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    repository = new InMemoryLeagueMembershipRepository(logger);
+  });
+
+  it('saves and queries memberships and join requests', async () => {
+    const membership: { id: string; leagueId: string; driverId: string; status: string } = {
+      id: 'm1',
+      leagueId: 'league-1',
+      driverId: 'driver-1',
+      status: 'active',
+    };
+
+    await repository.saveMembership(
+      membership as unknown as Parameters<InMemoryLeagueMembershipRepository['saveMembership']>[0],
+    );
+
+    expect((await repository.getMembership('league-1', 'driver-1'))?.id).toBe('m1');
+    expect((await repository.findActiveByLeagueIdAndDriverId('league-1', 'driver-1'))?.id).toBe('m1');
+
+    expect((await repository.findAllByLeagueId('league-1')).length).toBe(1);
+    expect((await repository.findAllByDriverId('driver-1')).length).toBe(1);
+    expect((await repository.getLeagueMembers('league-1')).length).toBe(1);
+
+    const joinRequest: { id: string; leagueId: string } = { id: 'jr1', leagueId: 'league-1' };
+    await repository.saveJoinRequest(
+      joinRequest as unknown as Parameters<InMemoryLeagueMembershipRepository['saveJoinRequest']>[0],
+    );
+
+    expect((await repository.getJoinRequests('league-1')).map(r => r.id)).toEqual(['jr1']);
+
+    await repository.removeJoinRequest('jr1');
+    expect((await repository.getJoinRequests('league-1')).length).toBe(0);
+
+    await repository.removeMembership('league-1', 'driver-1');
+    expect(await repository.getMembership('league-1', 'driver-1')).toBeNull();
+  });
+});
diff --git a/adapters/racing/persistence/inmemory/InMemoryStandingRepository.ts b/adapters/racing/persistence/inmemory/InMemoryStandingRepository.ts
index 5eb05c207..fe202dfdb 100644
--- a/adapters/racing/persistence/inmemory/InMemoryStandingRepository.ts
+++ b/adapters/racing/persistence/inmemory/InMemoryStandingRepository.ts
@@ -213,10 +213,19 @@ export class InMemoryStandingRepository implements IStandingRepository {
 
       const standingsMap = new Map<string, Standing>();
 
-      results.forEach(result => {
+      const normalizePosition = (position: unknown): number => {
+        if (typeof position === 'number') return position;
+        if (typeof position === 'string') return Number(position);
+        if (position && typeof (position as { toNumber?: unknown }).toNumber === 'function') {
+          return (position as { toNumber: () => number }).toNumber();
+        }
+        return Number(position);
+      };
+
+      results.forEach((result) => {
         const driverIdStr = result.driverId.toString();
         let standing = standingsMap.get(driverIdStr);
-        
+
         if (!standing) {
           standing = Standing.create({
             leagueId,
@@ -225,7 +234,8 @@ export class InMemoryStandingRepository implements IStandingRepository {
           this.logger.debug(`Created new standing for driver ${driverIdStr} in league ${leagueId}.`);
         }
 
-        standing = standing.addRaceResult(result.position.toNumber(), resolvedPointsSystem);
+        const position = normalizePosition((result as { position: unknown }).position);
+        standing = standing.addRaceResult(position, resolvedPointsSystem);
         standingsMap.set(driverIdStr, standing);
         this.logger.debug(`Driver ${driverIdStr} in league ${leagueId} accumulated ${standing.points} points.`);
       });
diff --git a/adapters/racing/ports/InMemoryDriverExtendedProfileProvider.test.ts b/adapters/racing/ports/InMemoryDriverExtendedProfileProvider.test.ts
new file mode 100644
index 000000000..e6ef6aef5
--- /dev/null
+++ b/adapters/racing/ports/InMemoryDriverExtendedProfileProvider.test.ts
@@ -0,0 +1,22 @@
+import { describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { InMemoryDriverExtendedProfileProvider } from './InMemoryDriverExtendedProfileProvider';
+
+describe('InMemoryDriverExtendedProfileProvider', () => {
+  it('returns an extended profile shape', () => {
+    const logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    const provider = new InMemoryDriverExtendedProfileProvider(logger);
+
+    const profile = provider.getExtendedProfile('driver-1');
+    expect(profile).not.toBeNull();
+    expect(profile?.socialHandles).toBeInstanceOf(Array);
+    expect(profile?.achievements).toBeInstanceOf(Array);
+    expect(typeof profile?.favoriteTrack).toBe('string');
+  });
+});
diff --git a/adapters/racing/ports/InMemoryDriverRatingProvider.test.ts b/adapters/racing/ports/InMemoryDriverRatingProvider.test.ts
new file mode 100644
index 000000000..73d1771f0
--- /dev/null
+++ b/adapters/racing/ports/InMemoryDriverRatingProvider.test.ts
@@ -0,0 +1,25 @@
+import { describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { InMemoryDriverRatingProvider } from './InMemoryDriverRatingProvider';
+
+describe('InMemoryDriverRatingProvider', () => {
+  it('returns ratings for known drivers and null for unknown', () => {
+    const logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    const provider = new InMemoryDriverRatingProvider(logger);
+
+    expect(provider.getRating('driver-1')).toBe(2500);
+    expect(provider.getRating('driver-2')).toBe(2400);
+    expect(provider.getRating('driver-x')).toBeNull();
+
+    const map = provider.getRatings(['driver-1', 'driver-x', 'driver-2']);
+    expect(map.get('driver-1')).toBe(2500);
+    expect(map.get('driver-2')).toBe(2400);
+    expect(map.has('driver-x')).toBe(false);
+  });
+});
diff --git a/adapters/racing/services/InMemoryDriverStatsService.test.ts b/adapters/racing/services/InMemoryDriverStatsService.test.ts
new file mode 100644
index 000000000..0663f8950
--- /dev/null
+++ b/adapters/racing/services/InMemoryDriverStatsService.test.ts
@@ -0,0 +1,21 @@
+import { describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { InMemoryDriverStatsService } from './InMemoryDriverStatsService';
+
+describe('InMemoryDriverStatsService', () => {
+  it('returns stats for known drivers', () => {
+    const logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    const service = new InMemoryDriverStatsService(logger);
+
+    const stats = service.getDriverStats('driver-1');
+    expect(stats?.rating).toBe(2500);
+
+    expect(service.getDriverStats('unknown')).toBeNull();
+  });
+});
diff --git a/adapters/racing/services/InMemoryRankingService.test.ts b/adapters/racing/services/InMemoryRankingService.test.ts
new file mode 100644
index 000000000..75e1abd0c
--- /dev/null
+++ b/adapters/racing/services/InMemoryRankingService.test.ts
@@ -0,0 +1,21 @@
+import { describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import { InMemoryRankingService } from './InMemoryRankingService';
+
+describe('InMemoryRankingService', () => {
+  it('returns mock rankings', () => {
+    const logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+
+    const service = new InMemoryRankingService(logger);
+    const rankings = service.getAllDriverRankings();
+
+    expect(rankings.length).toBeGreaterThanOrEqual(3);
+    expect(rankings[0]).toHaveProperty('driverId');
+    expect(rankings[0]).toHaveProperty('rating');
+  });
+});
diff --git a/adapters/social/persistence/inmemory/InMemorySocialAndFeed.test.ts b/adapters/social/persistence/inmemory/InMemorySocialAndFeed.test.ts
new file mode 100644
index 000000000..8e23a6e88
--- /dev/null
+++ b/adapters/social/persistence/inmemory/InMemorySocialAndFeed.test.ts
@@ -0,0 +1,62 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import type { Logger } from '@core/shared/application';
+import type { RacingSeedData } from './InMemorySocialAndFeed';
+import { InMemoryFeedRepository, InMemorySocialGraphRepository } from './InMemorySocialAndFeed';
+
+describe('InMemorySocialAndFeed', () => {
+  let logger: Logger;
+
+  beforeEach(() => {
+    logger = {
+      debug: vi.fn(),
+      info: vi.fn(),
+      warn: vi.fn(),
+      error: vi.fn(),
+    } as unknown as Logger;
+  });
+
+  it('builds feed for a driver based on friendships', async () => {
+    const seed = {
+      drivers: [{ id: 'd1' }, { id: 'd2' }, { id: 'd3' }],
+      friendships: [
+        { driverId: 'd1', friendId: 'd2' },
+        { driverId: 'd1', friendId: 'd3' },
+      ],
+      feedEvents: [
+        { id: 'f1', actorDriverId: 'd2', timestamp: new Date('2025-01-02T00:00:00.000Z') },
+        { id: 'f2', actorDriverId: 'd3', timestamp: new Date('2025-01-03T00:00:00.000Z') },
+        { id: 'f3', actorDriverId: 'd1', timestamp: new Date('2025-01-04T00:00:00.000Z') },
+      ],
+    };
+
+    const feedRepo = new InMemoryFeedRepository(logger, seed as unknown as RacingSeedData);
+    const feed = await feedRepo.getFeedForDriver('d1');
+    expect(feed.map(f => (f as { id: string }).id)).toEqual(['f2', 'f1']);
+
+    const global = await feedRepo.getGlobalFeed(2);
+    expect(global.length).toBe(2);
+  });
+
+  it('returns friends and suggestions', async () => {
+    const seed = {
+      drivers: [{ id: 'a' }, { id: 'b' }, { id: 'c' }, { id: 'd' }],
+      friendships: [
+        { driverId: 'a', friendId: 'b' },
+        { driverId: 'b', friendId: 'c' },
+        { driverId: 'a', friendId: 'd' },
+        { driverId: 'd', friendId: 'c' },
+      ],
+      feedEvents: [],
+    };
+
+    const repo = new InMemorySocialGraphRepository(logger, seed as unknown as RacingSeedData);
+
+    expect(await repo.getFriendIds('a')).toEqual(['b', 'd']);
+
+    const friends = await repo.getFriends('a');
+    expect(friends.map(d => (d as { id: string }).id).sort()).toEqual(['b', 'd']);
+
+    const suggested = await repo.getSuggestedFriends('a');
+    expect(suggested.map(d => (d as { id: string }).id)).toContain('c');
+  });
+});