diff --git a/apps/api/src/modules/projects/application/__tests__/create-project.handler.spec.ts b/apps/api/src/modules/projects/application/__tests__/create-project.handler.spec.ts
new file mode 100644
index 0000000..9c2d264
--- /dev/null
+++ b/apps/api/src/modules/projects/application/__tests__/create-project.handler.spec.ts
@@ -0,0 +1,97 @@
+import { ConflictException } from '@modules/shared';
+import { CreateProjectCommand } from '../commands/create-project/create-project.command';
+import { CreateProjectHandler } from '../commands/create-project/create-project.handler';
+
+function makeCommand(overrides: Partial<Record<string, unknown>> = {}): CreateProjectCommand {
+  return new CreateProjectCommand(
+    (overrides.name as string) ?? 'Test Project',
+    (overrides.slug as string) ?? 'test-project',
+    (overrides.developer as string) ?? 'DevCorp',
+    (overrides.developerLogo as string | null) ?? null,
+    (overrides.totalUnits as number) ?? 100,
+    (overrides.status as 'PLANNING') ?? 'PLANNING',
+    (overrides.latitude as number) ?? 10.82,
+    (overrides.longitude as number) ?? 106.83,
+    (overrides.address as string) ?? 'addr',
+    (overrides.ward as string) ?? 'ward',
+    (overrides.district as string) ?? 'dist',
+    (overrides.city as string) ?? 'HCM',
+    null, null, null, null, null, null, null, null, null, null,
+    [],
+    null, null,
+    (overrides.suitableFor as string[]) ?? [],
+    (overrides.whyThisLocation as string | null) ?? null,
+    (overrides.ownerId as string | null) ?? null,
+  );
+}
+
+describe('CreateProjectHandler', () => {
+  let handler: CreateProjectHandler;
+  let mockRepo: {
+    findBySlug: ReturnType<typeof vi.fn>;
+    save: ReturnType<typeof vi.fn>;
+  };
+
+  beforeEach(() => {
+    mockRepo = {
+      findBySlug: vi.fn().mockResolvedValue(null),
+      save: vi.fn().mockResolvedValue(undefined),
+    };
+    handler = new CreateProjectHandler(mockRepo as any);
+  });
+
+  it('should create project and return id + slug', async () => {
+    const cmd = makeCommand();
+    const result = await handler.execute(cmd);
+
+    expect(result.id).toBeDefined();
+    expect(result.slug).toBe('test-project');
+    expect(mockRepo.save).toHaveBeenCalledTimes(1);
+  });
+
+  it('should generate unique id via cuid2', async () => {
+    const r1 = await handler.execute(makeCommand({ slug: 'slug-1' }));
+    mockRepo.findBySlug.mockResolvedValue(null);
+    const r2 = await handler.execute(makeCommand({ slug: 'slug-2' }));
+
+    expect(r1.id).not.toBe(r2.id);
+  });
+
+  it('should throw ConflictException when slug already exists', async () => {
+    mockRepo.findBySlug.mockResolvedValue({ id: 'existing' });
+
+    await expect(handler.execute(makeCommand())).rejects.toThrow(ConflictException);
+    expect(mockRepo.save).not.toHaveBeenCalled();
+  });
+
+  it('should pass suitableFor and whyThisLocation to entity', async () => {
+    const cmd = makeCommand({ suitableFor: ['family'], whyThisLocation: 'Near metro' });
+    await handler.execute(cmd);
+
+    const saved = mockRepo.save.mock.calls[0][0];
+    expect(saved.suitableFor).toEqual(['family']);
+    expect(saved.whyThisLocation).toBe('Near metro');
+  });
+
+  it('should pass ownerId to entity', async () => {
+    const cmd = makeCommand({ ownerId: 'dev-1' });
+    await handler.execute(cmd);
+
+    const saved = mockRepo.save.mock.calls[0][0];
+    expect(saved.ownerId).toBe('dev-1');
+  });
+
+  it('should default completedUnits to 0', async () => {
+    await handler.execute(makeCommand());
+
+    const saved = mockRepo.save.mock.calls[0][0];
+    expect(saved.completedUnits).toBe(0);
+  });
+
+  it('should default isVerified to false', async () => {
+    await handler.execute(makeCommand());
+
+    const saved = mockRepo.save.mock.calls[0][0];
+    expect(saved.isVerified).toBe(false);
+  });
+});
diff --git a/apps/api/src/modules/projects/application/__tests__/delete-project.handler.spec.ts b/apps/api/src/modules/projects/application/__tests__/delete-project.handler.spec.ts
new file mode 100644
index 0000000..a5e8e86
--- /dev/null
+++ b/apps/api/src/modules/projects/application/__tests__/delete-project.handler.spec.ts
@@ -0,0 +1,89 @@
+import { ForbiddenException } from '@nestjs/common';
+import { NotFoundException } from '@modules/shared';
+import { ProjectDevelopmentEntity, type ProjectDevelopmentProps } from '../../domain/entities/project-development.entity';
+import { DeleteProjectCommand } from '../commands/delete-project/delete-project.command';
+import { DeleteProjectHandler } from '../commands/delete-project/delete-project.handler';
+
+function makeProps(overrides: Partial<ProjectDevelopmentProps> = {}): ProjectDevelopmentProps {
+  return {
+    name: 'Vinhomes Grand Park', slug: 'vinhomes-grand-park',
+    developer: 'Vingroup', developerLogo: null, totalUnits: 10000,
+    completedUnits: 5000, status: 'UNDER_CONSTRUCTION',
+    startDate: null, completionDate: null, description: null,
+    amenities: null, masterPlanUrl: null, latitude: 10.8231,
+    longitude: 106.8368, address: 'addr', ward: 'ward',
+    district: 'dist', city: 'HCM', minPrice: null, maxPrice: null,
+    pricePerM2Range: null, totalArea: null, buildingCount: null,
+    floorCount: null, unitTypes: null, media: null, documents: null,
+    tags: [], suitableFor: [], whyThisLocation: null,
+    isVerified: false, ownerId: 'dev-user-1', ...overrides,
+  };
+}
+
+function makeEntity(id = 'proj-1', overrides: Partial<ProjectDevelopmentProps> = {}): ProjectDevelopmentEntity {
+  return new ProjectDevelopmentEntity(id, makeProps(overrides), new Date(), new Date());
+}
+
+describe('DeleteProjectHandler', () => {
+  let handler: DeleteProjectHandler;
+  let mockRepo: {
+    findById: ReturnType<typeof vi.fn>;
+    delete: ReturnType<typeof vi.fn>;
+  };
+
+  beforeEach(() => {
+    mockRepo = {
+      findById: vi.fn(),
+      delete: vi.fn().mockResolvedValue(undefined),
+    };
+    handler = new DeleteProjectHandler(mockRepo as any);
+  });
+
+  it('should delete project as ADMIN', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity());
+
+    const cmd = new DeleteProjectCommand('proj-1', 'admin-1', 'ADMIN');
+    await handler.execute(cmd);
+
+    expect(mockRepo.delete).toHaveBeenCalledWith('proj-1');
+  });
+
+  it('should throw NotFoundException when project not found', async () => {
+    mockRepo.findById.mockResolvedValue(null);
+
+    const cmd = new DeleteProjectCommand('missing', 'admin-1', 'ADMIN');
+    await expect(handler.execute(cmd)).rejects.toThrow(NotFoundException);
+    expect(mockRepo.delete).not.toHaveBeenCalled();
+  });
+
+  it('should allow DEVELOPER to delete own project', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity('proj-1', { ownerId: 'dev-user-1' }));
+
+    const cmd = new DeleteProjectCommand('proj-1', 'dev-user-1', 'DEVELOPER');
+    await handler.execute(cmd);
+
+    expect(mockRepo.delete).toHaveBeenCalledWith('proj-1');
+  });
+
+  it('should deny DEVELOPER deleting another owners project', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity('proj-1', { ownerId: 'other-dev' }));
+
+    const cmd = new DeleteProjectCommand('proj-1', 'dev-user-1', 'DEVELOPER');
+    await expect(handler.execute(cmd)).rejects.toThrow(ForbiddenException);
+    expect(mockRepo.delete).not.toHaveBeenCalled();
+  });
+
+  it('should deny USER role from deleting', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity());
+
+    const cmd = new DeleteProjectCommand('proj-1', 'user-1', 'USER');
+    await expect(handler.execute(cmd)).rejects.toThrow(ForbiddenException);
+  });
+
+  it('should deny AGENT role from deleting', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity());
+
+    const cmd = new DeleteProjectCommand('proj-1', 'agent-1', 'AGENT');
+    await expect(handler.execute(cmd)).rejects.toThrow(ForbiddenException);
+  });
+});
diff --git a/apps/api/src/modules/projects/application/__tests__/get-project-stats.handler.spec.ts b/apps/api/src/modules/projects/application/__tests__/get-project-stats.handler.spec.ts
new file mode 100644
index 0000000..082af5c
--- /dev/null
+++ b/apps/api/src/modules/projects/application/__tests__/get-project-stats.handler.spec.ts
@@ -0,0 +1,106 @@
+import { ForbiddenException } from '@nestjs/common';
+import { NotFoundException } from '@modules/shared';
+import { ProjectDevelopmentEntity, type ProjectDevelopmentProps } from '../../domain/entities/project-development.entity';
+import { GetProjectStatsHandler } from '../queries/get-project-stats/get-project-stats.handler';
+import { GetProjectStatsQuery } from '../queries/get-project-stats/get-project-stats.query';
+
+function makeProps(overrides: Partial<ProjectDevelopmentProps> = {}): ProjectDevelopmentProps {
+  return {
+    name: 'Test', slug: 'test', developer: 'Dev', developerLogo: null,
+    totalUnits: 100, completedUnits: 0, status: 'PLANNING',
+    startDate: null, completionDate: null, description: null,
+    amenities: null, masterPlanUrl: null, latitude: 10, longitude: 106,
+    address: 'a', ward: 'w', district: 'd', city: 'HCM',
+    minPrice: null, maxPrice: null, pricePerM2Range: null,
+    totalArea: null, buildingCount: null, floorCount: null,
+    unitTypes: null, media: null, documents: null,
+    tags: [], suitableFor: [], whyThisLocation: null,
+    isVerified: false, ownerId: 'dev-1', ...overrides,
+  };
+}
+
+function makeEntity(id = 'proj-1', overrides: Partial<ProjectDevelopmentProps> = {}): ProjectDevelopmentEntity {
+  return new ProjectDevelopmentEntity(id, makeProps(overrides), new Date(), new Date());
+}
+
+describe('GetProjectStatsHandler', () => {
+  let handler: GetProjectStatsHandler;
+  let mockRepo: { findById: ReturnType<typeof vi.fn> };
+  let mockPrisma: { $queryRaw: ReturnType<typeof vi.fn> };
+
+  const defaultStatsRow = [{
+    linked: BigInt(5), active: BigInt(3),
+    inquiries: BigInt(10), unread: BigInt(2), saves: BigInt(7),
+  }];
+
+  beforeEach(() => {
+    mockRepo = { findById: vi.fn() };
+    mockPrisma = { $queryRaw: vi.fn().mockResolvedValue(defaultStatsRow) };
+    handler = new GetProjectStatsHandler(mockRepo as any, mockPrisma as any);
+  });
+
+  it('should return stats for ADMIN', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity());
+
+    const query = new GetProjectStatsQuery('proj-1', 'admin-1', 'ADMIN');
+    const result = await handler.execute(query);
+
+    expect(result.projectId).toBe('proj-1');
+    expect(result.linkedListingCount).toBe(5);
+    expect(result.activeListingCount).toBe(3);
+    expect(result.totalInquiries).toBe(10);
+    expect(result.unreadInquiries).toBe(2);
+    expect(result.savedByUsers).toBe(7);
+  });
+
+  it('should return stats for DEVELOPER who owns the project', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity('proj-1', { ownerId: 'dev-1' }));
+
+    const query = new GetProjectStatsQuery('proj-1', 'dev-1', 'DEVELOPER');
+    const result = await handler.execute(query);
+
+    expect(result.projectId).toBe('proj-1');
+  });
+
+  it('should throw NotFoundException when project not found', async () => {
+    mockRepo.findById.mockResolvedValue(null);
+
+    const query = new GetProjectStatsQuery('missing', 'admin-1', 'ADMIN');
+    await expect(handler.execute(query)).rejects.toThrow(NotFoundException);
+  });
+
+  it('should deny DEVELOPER viewing stats of another owners project', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity('proj-1', { ownerId: 'other-dev' }));
+
+    const query = new GetProjectStatsQuery('proj-1', 'dev-1', 'DEVELOPER');
+    await expect(handler.execute(query)).rejects.toThrow(ForbiddenException);
+  });
+
+  it('should deny USER role', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity());
+
+    const query = new GetProjectStatsQuery('proj-1', 'user-1', 'USER');
+    await expect(handler.execute(query)).rejects.toThrow(ForbiddenException);
+  });
+
+  it('should handle empty stats row', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity());
+    mockPrisma.$queryRaw.mockResolvedValue([]);
+
+    const query = new GetProjectStatsQuery('proj-1', 'admin-1', 'ADMIN');
+    const result = await handler.execute(query);
+
+    expect(result.linkedListingCount).toBe(0);
+    expect(result.activeListingCount).toBe(0);
+    expect(result.totalInquiries).toBe(0);
+    expect(result.unreadInquiries).toBe(0);
+    expect(result.savedByUsers).toBe(0);
+  });
+
+  it('should construct query DTO correctly', () => {
+    const q = new GetProjectStatsQuery('p1', 'u1', 'ADMIN');
+    expect(q.projectId).toBe('p1');
+    expect(q.requesterUserId).toBe('u1');
+    expect(q.requesterRole).toBe('ADMIN');
+  });
+});
diff --git a/apps/api/src/modules/projects/application/__tests__/queries.spec.ts b/apps/api/src/modules/projects/application/__tests__/queries.spec.ts
new file mode 100644
index 0000000..e1f0524
--- /dev/null
+++ b/apps/api/src/modules/projects/application/__tests__/queries.spec.ts
@@ -0,0 +1,105 @@
+import { GetProjectQuery } from '../queries/get-project/get-project.query';
+import { GetProjectHandler } from '../queries/get-project/get-project.handler';
+import { ListProjectsQuery } from '../queries/list-projects/list-projects.query';
+import { ListProjectsHandler } from '../queries/list-projects/list-projects.handler';
+
+describe('GetProjectQuery', () => {
+  it('should store slugOrId', () => {
+    const q = new GetProjectQuery('my-slug');
+    expect(q.slugOrId).toBe('my-slug');
+  });
+});
+
+describe('GetProjectHandler', () => {
+  let handler: GetProjectHandler;
+  let mockRepo: {
+    findDetailBySlug: ReturnType<typeof vi.fn>;
+    findDetailById: ReturnType<typeof vi.fn>;
+  };
+
+  beforeEach(() => {
+    mockRepo = {
+      findDetailBySlug: vi.fn().mockResolvedValue(null),
+      findDetailById: vi.fn().mockResolvedValue(null),
+    };
+    handler = new GetProjectHandler(mockRepo as any);
+  });
+
+  it('should try slug first', async () => {
+    const detail = { id: 'p1', name: 'Project' };
+    mockRepo.findDetailBySlug.mockResolvedValue(detail);
+
+    const result = await handler.execute(new GetProjectQuery('my-slug'));
+
+    expect(result).toBe(detail);
+    expect(mockRepo.findDetailBySlug).toHaveBeenCalledWith('my-slug');
+    expect(mockRepo.findDetailById).not.toHaveBeenCalled();
+  });
+
+  it('should fall back to id when slug returns null', async () => {
+    const detail = { id: 'p1', name: 'Project' };
+    mockRepo.findDetailById.mockResolvedValue(detail);
+
+    const result = await handler.execute(new GetProjectQuery('some-id'));
+
+    expect(result).toBe(detail);
+    expect(mockRepo.findDetailBySlug).toHaveBeenCalledWith('some-id');
+    expect(mockRepo.findDetailById).toHaveBeenCalledWith('some-id');
+  });
+
+  it('should return null when neither slug nor id match', async () => {
+    const result = await handler.execute(new GetProjectQuery('nope'));
+    expect(result).toBeNull();
+  });
+});
+
+describe('ListProjectsQuery', () => {
+  it('should store all params', () => {
+    const q = new ListProjectsQuery('search', 'PLANNING', 'HCM', 'Q1', 'Dev', true, 2, 10, 'owner-1');
+    expect(q.query).toBe('search');
+    expect(q.status).toBe('PLANNING');
+    expect(q.city).toBe('HCM');
+    expect(q.district).toBe('Q1');
+    expect(q.developer).toBe('Dev');
+    expect(q.isVerified).toBe(true);
+    expect(q.page).toBe(2);
+    expect(q.limit).toBe(10);
+    expect(q.ownerId).toBe('owner-1');
+  });
+});
+
+describe('ListProjectsHandler', () => {
+  let handler: ListProjectsHandler;
+  let mockRepo: { search: ReturnType<typeof vi.fn> };
+
+  beforeEach(() => {
+    mockRepo = { search: vi.fn() };
+    handler = new ListProjectsHandler(mockRepo as any);
+  });
+
+  it('should delegate to repo.search with correct params', async () => {
+    const expected = { data: [], total: 0, page: 1, limit: 20, totalPages: 0 };
+    mockRepo.search.mockResolvedValue(expected);
+
+    const q = new ListProjectsQuery('q', 'COMPLETED', 'HCM', 'Q2', 'VG', false, 1, 20, 'own-1');
+    const result = await handler.execute(q);
+
+    expect(mockRepo.search).toHaveBeenCalledWith({
+      query: 'q', status: 'COMPLETED', city: 'HCM', district: 'Q2',
+      developer: 'VG', isVerified: false, ownerId: 'own-1', page: 1, limit: 20,
+    });
+    expect(result).toBe(expected);
+  });
+
+  it('should return paginated result from repo', async () => {
+    const data = { data: [{ id: 'p1' }], total: 1, page: 1, limit: 10, totalPages: 1 };
+    mockRepo.search.mockResolvedValue(data);
+
+    const result = await handler.execute(
+      new ListProjectsQuery(undefined, undefined, undefined, undefined, undefined, undefined, 1, 10),
+    );
+
+    expect(result.data).toHaveLength(1);
+    expect(result.total).toBe(1);
+  });
+});
diff --git a/apps/api/src/modules/projects/application/__tests__/update-project.handler.spec.ts b/apps/api/src/modules/projects/application/__tests__/update-project.handler.spec.ts
new file mode 100644
index 0000000..76a709b
--- /dev/null
+++ b/apps/api/src/modules/projects/application/__tests__/update-project.handler.spec.ts
@@ -0,0 +1,155 @@
+import { ForbiddenException } from '@nestjs/common';
+import { NotFoundException } from '@modules/shared';
+import { ProjectDevelopmentEntity, type ProjectDevelopmentProps } from '../../domain/entities/project-development.entity';
+import { UpdateProjectCommand } from '../commands/update-project/update-project.command';
+import { UpdateProjectHandler } from '../commands/update-project/update-project.handler';
+
+function makeProps(overrides: Partial<ProjectDevelopmentProps> = {}): ProjectDevelopmentProps {
+  return {
+    name: 'Vinhomes Grand Park', slug: 'vinhomes-grand-park',
+    developer: 'Vingroup', developerLogo: null, totalUnits: 10000,
+    completedUnits: 5000, status: 'UNDER_CONSTRUCTION',
+    startDate: null, completionDate: null, description: null,
+    amenities: null, masterPlanUrl: null, latitude: 10.8231,
+    longitude: 106.8368, address: 'addr', ward: 'ward',
+    district: 'dist', city: 'HCM', minPrice: null, maxPrice: null,
+    pricePerM2Range: null, totalArea: null, buildingCount: null,
+    floorCount: null, unitTypes: null, media: null, documents: null,
+    tags: [], suitableFor: [], whyThisLocation: null,
+    isVerified: false, ownerId: 'dev-user-1', ...overrides,
+  };
+}
+
+function makeEntity(id = 'proj-1', overrides: Partial<ProjectDevelopmentProps> = {}): ProjectDevelopmentEntity {
+  return new ProjectDevelopmentEntity(id, makeProps(overrides), new Date(), new Date());
+}
+
+describe('UpdateProjectHandler', () => {
+  let handler: UpdateProjectHandler;
+  let mockRepo: {
+    findById: ReturnType<typeof vi.fn>;
+    update: ReturnType<typeof vi.fn>;
+  };
+
+  beforeEach(() => {
+    mockRepo = {
+      findById: vi.fn(),
+      update: vi.fn().mockResolvedValue(undefined),
+    };
+    // NOTE: EventBusService is imported as `type` in the handler, so the
+    // constructor param and publish call are stripped from compiled output.
+    const mockEventBus = { publish: vi.fn() };
+
+    handler = new UpdateProjectHandler(mockRepo as any, mockEventBus as any);
+  });
+
+  it('should update project as ADMIN', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity());
+
+    const cmd = new UpdateProjectCommand('proj-1', 'admin-1', 'ADMIN', 'Updated Name');
+
+    const result = await handler.execute(cmd);
+
+    expect(result.id).toBe('proj-1');
+    expect(mockRepo.update).toHaveBeenCalledTimes(1);
+    const updated: ProjectDevelopmentEntity = mockRepo.update.mock.calls[0][0];
+    expect(updated.name).toBe('Updated Name');
+  });
+
+  it('should throw NotFoundException when project not found', async () => {
+    mockRepo.findById.mockResolvedValue(null);
+
+    const cmd = new UpdateProjectCommand('missing', 'admin-1', 'ADMIN', 'Name');
+
+    await expect(handler.execute(cmd)).rejects.toThrow(NotFoundException);
+    expect(mockRepo.update).not.toHaveBeenCalled();
+  });
+
+  it('should allow DEVELOPER to update their own project', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity('proj-1', { ownerId: 'dev-user-1' }));
+
+    const cmd = new UpdateProjectCommand('proj-1', 'dev-user-1', 'DEVELOPER', 'New Name');
+
+    const result = await handler.execute(cmd);
+    expect(result.id).toBe('proj-1');
+    expect(mockRepo.update).toHaveBeenCalledTimes(1);
+  });
+
+  it('should deny DEVELOPER editing another owners project', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity('proj-1', { ownerId: 'other-dev' }));
+
+    const cmd = new UpdateProjectCommand('proj-1', 'dev-user-1', 'DEVELOPER', 'Hacked');
+
+    await expect(handler.execute(cmd)).rejects.toThrow(ForbiddenException);
+    expect(mockRepo.update).not.toHaveBeenCalled();
+  });
+
+  it('should deny DEVELOPER reassigning ownerId', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity('proj-1', { ownerId: 'dev-user-1' }));
+
+    // UpdateProjectCommand params: id, requesterUserId, requesterRole,
+    // name, developer, developerLogo, totalUnits, completedUnits,
+    // status, description, amenities, masterPlanUrl,
+    // minPrice, maxPrice, pricePerM2Range, totalArea,
+    // buildingCount, floorCount, unitTypes, media, documents,
+    // tags, isVerified, startDate, completionDate,
+    // suitableFor, whyThisLocation, ownerId
+    const cmd = new UpdateProjectCommand(
+      'proj-1', 'dev-user-1', 'DEVELOPER',
+      undefined, undefined, undefined, undefined, undefined,
+      undefined, undefined, undefined, undefined,
+      undefined, undefined, undefined, undefined,
+      undefined, undefined, undefined, undefined, undefined,
+      undefined, undefined, undefined, undefined,
+      undefined, undefined,
+      'another-user', // ownerId (28th param)
+    );
+
+    await expect(handler.execute(cmd)).rejects.toThrow(ForbiddenException);
+  });
+
+  it('should allow ADMIN to reassign ownerId', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity('proj-1'));
+
+    const cmd = new UpdateProjectCommand(
+      'proj-1', 'admin-1', 'ADMIN',
+      undefined, undefined, undefined, undefined, undefined,
+      undefined, undefined, undefined, undefined,
+      undefined, undefined, undefined, undefined,
+      undefined, undefined, undefined, undefined, undefined,
+      undefined, undefined, undefined, undefined,
+      undefined, undefined,
+      'new-owner', // ownerId (28th param)
+    );
+
+    const result = await handler.execute(cmd);
+    expect(result.id).toBe('proj-1');
+    const updated: ProjectDevelopmentEntity = mockRepo.update.mock.calls[0][0];
+    expect(updated.ownerId).toBe('new-owner');
+  });
+
+  it('should deny USER role from editing any project', async () => {
+    mockRepo.findById.mockResolvedValue(makeEntity());
+
+    const cmd = new UpdateProjectCommand('proj-1', 'user-1', 'USER', 'Name');
+
+    await expect(handler.execute(cmd)).rejects.toThrow(ForbiddenException);
+  });
+
+  it('should only update provided fields', async () => {
+    const entity = makeEntity();
+    mockRepo.findById.mockResolvedValue(entity);
+
+    const cmd = new UpdateProjectCommand(
+      'proj-1', 'admin-1', 'ADMIN',
+      undefined, undefined, undefined, undefined, undefined,
+      'COMPLETED',
+    );
+
+    await handler.execute(cmd);
+
+    const updated: ProjectDevelopmentEntity = mockRepo.update.mock.calls[0][0];
+    expect(updated.status).toBe('COMPLETED');
+    expect(updated.name).toBe('Vinhomes Grand Park'); // unchanged
+  });
+});
diff --git a/apps/api/src/modules/projects/domain/__tests__/project-development.entity.spec.ts b/apps/api/src/modules/projects/domain/__tests__/project-development.entity.spec.ts
new file mode 100644
index 0000000..c0467ab
--- /dev/null
+++ b/apps/api/src/modules/projects/domain/__tests__/project-development.entity.spec.ts
@@ -0,0 +1,155 @@
+import { ProjectDevelopmentEntity, type ProjectDevelopmentProps } from '../entities/project-development.entity';
+
+function makeProps(overrides: Partial<ProjectDevelopmentProps> = {}): ProjectDevelopmentProps {
+  return {
+    name: 'Vinhomes Grand Park', slug: 'vinhomes-grand-park',
+    developer: 'Vingroup', developerLogo: null, totalUnits: 10000,
+    completedUnits: 5000, status: 'UNDER_CONSTRUCTION',
+    startDate: null, completionDate: null, description: null,
+    amenities: null, masterPlanUrl: null, latitude: 10.8231,
+    longitude: 106.8368, address: 'addr', ward: 'ward',
+    district: 'dist', city: 'HCM', minPrice: null, maxPrice: null,
+    pricePerM2Range: null, totalArea: null, buildingCount: null,
+    floorCount: null, unitTypes: null, media: null, documents: null,
+    tags: [], suitableFor: [], whyThisLocation: null,
+    isVerified: false, ownerId: null, ...overrides,
+  };
+}
+
+describe('ProjectDevelopmentEntity', () => {
+  const now = new Date();
+
+  it('should expose all getters correctly', () => {
+    const entity = new ProjectDevelopmentEntity('id-1', makeProps(), now, now);
+
+    expect(entity.id).toBe('id-1');
+    expect(entity.name).toBe('Vinhomes Grand Park');
+    expect(entity.slug).toBe('vinhomes-grand-park');
+    expect(entity.developer).toBe('Vingroup');
+    expect(entity.developerLogo).toBeNull();
+    expect(entity.totalUnits).toBe(10000);
+    expect(entity.completedUnits).toBe(5000);
+    expect(entity.status).toBe('UNDER_CONSTRUCTION');
+    expect(entity.latitude).toBe(10.8231);
+    expect(entity.longitude).toBe(106.8368);
+    expect(entity.address).toBe('addr');
+    expect(entity.city).toBe('HCM');
+    expect(entity.tags).toEqual([]);
+    expect(entity.suitableFor).toEqual([]);
+    expect(entity.isVerified).toBe(false);
+    expect(entity.ownerId).toBeNull();
+    expect(entity.createdAt).toBe(now);
+    expect(entity.updatedAt).toBe(now);
+  });
+
+  it('should support nullable fields', () => {
+    const entity = new ProjectDevelopmentEntity('id-1', makeProps({
+      startDate: new Date('2024-01-01'),
+      completionDate: new Date('2026-12-31'),
+      description: 'A project',
+      amenities: { pool: true },
+      masterPlanUrl: 'https://example.com/plan.pdf',
+      minPrice: BigInt(1_000_000_000),
+      maxPrice: BigInt(5_000_000_000),
+      pricePerM2Range: { min: 50, max: 80 },
+      totalArea: 250.5,
+      buildingCount: 10,
+      floorCount: 30,
+      unitTypes: { studio: 100 },
+      media: [{ url: 'img.jpg' }],
+      documents: [{ url: 'doc.pdf' }],
+      whyThisLocation: 'Near metro',
+      ownerId: 'dev-1',
+    }), now, now);
+
+    expect(entity.startDate).toEqual(new Date('2024-01-01'));
+    expect(entity.minPrice).toBe(BigInt(1_000_000_000));
+    expect(entity.media).toEqual([{ url: 'img.jpg' }]);
+    expect(entity.ownerId).toBe('dev-1');
+    expect(entity.whyThisLocation).toBe('Near metro');
+  });
+
+  it('should update only provided fields via updateDetails', () => {
+    const entity = new ProjectDevelopmentEntity('id-1', makeProps(), now, now);
+
+    entity.updateDetails({ name: 'New Name', status: 'COMPLETED' });
+
+    expect(entity.name).toBe('New Name');
+    expect(entity.status).toBe('COMPLETED');
+    expect(entity.developer).toBe('Vingroup'); // unchanged
+  });
+
+  it('should allow setting fields to null via updateDetails', () => {
+    const entity = new ProjectDevelopmentEntity('id-1', makeProps({
+      description: 'desc', masterPlanUrl: 'url',
+    }), now, now);
+
+    entity.updateDetails({ description: null, masterPlanUrl: null });
+
+    expect(entity.description).toBeNull();
+    expect(entity.masterPlanUrl).toBeNull();
+  });
+
+  it('should update ownerId via updateDetails', () => {
+    const entity = new ProjectDevelopmentEntity('id-1', makeProps({ ownerId: 'old' }), now, now);
+
+    entity.updateDetails({ ownerId: 'new-owner' });
+
+    expect(entity.ownerId).toBe('new-owner');
+  });
+
+  it('should update suitableFor and whyThisLocation', () => {
+    const entity = new ProjectDevelopmentEntity('id-1', makeProps(), now, now);
+
+    entity.updateDetails({ suitableFor: ['family', 'investor'], whyThisLocation: 'Prime location' });
+
+    expect(entity.suitableFor).toEqual(['family', 'investor']);
+    expect(entity.whyThisLocation).toBe('Prime location');
+  });
+
+  it('should update updatedAt when updateDetails is called', () => {
+    const oldDate = new Date('2020-01-01');
+    const entity = new ProjectDevelopmentEntity('id-1', makeProps(), oldDate, oldDate);
+
+    entity.updateDetails({ name: 'X' });
+
+    expect(entity.updatedAt.getTime()).toBeGreaterThan(oldDate.getTime());
+  });
+
+  it('should implement equals from BaseEntity', () => {
+    const a = new ProjectDevelopmentEntity('id-1', makeProps(), now, now);
+    const b = new ProjectDevelopmentEntity('id-1', makeProps({ name: 'Other' }), now, now);
+    const c = new ProjectDevelopmentEntity('id-2', makeProps(), now, now);
+
+    expect(a.equals(b)).toBe(true);
+    expect(a.equals(c)).toBe(false);
+  });
+
+  it('should support domain events (AggregateRoot)', () => {
+    const entity = new ProjectDevelopmentEntity('id-1', makeProps(), now, now);
+
+    expect(entity.domainEvents).toEqual([]);
+    expect(entity.commit()).toEqual([]);
+  });
+
+  it('should update media and documents', () => {
+    const entity = new ProjectDevelopmentEntity('id-1', makeProps(), now, now);
+
+    entity.updateDetails({
+      media: [{ url: 'new.jpg', type: 'image' }],
+      documents: [{ url: 'doc.pdf' }],
+    });
+
+    expect(entity.media).toEqual([{ url: 'new.jpg', type: 'image' }]);
+    expect(entity.documents).toEqual([{ url: 'doc.pdf' }]);
+  });
+
+  it('should update tags and isVerified', () => {
+    const entity = new ProjectDevelopmentEntity('id-1', makeProps(), now, now);
+
+    entity.updateDetails({ tags: ['luxury', 'new'], isVerified: true });
+
+    expect(entity.tags).toEqual(['luxury', 'new']);
+    expect(entity.isVerified).toBe(true);
+  });
+});
diff --git a/apps/api/src/modules/projects/infrastructure/__tests__/prisma-project-development.repository.spec.ts b/apps/api/src/modules/projects/infrastructure/__tests__/prisma-project-development.repository.spec.ts
new file mode 100644
index 0000000..cefbe17
--- /dev/null
+++ b/apps/api/src/modules/projects/infrastructure/__tests__/prisma-project-development.repository.spec.ts
@@ -0,0 +1,164 @@
+import { PrismaProjectDevelopmentRepository } from '../repositories/prisma-project-development.repository';
+import { ProjectDevelopmentEntity, type ProjectDevelopmentProps } from '../../domain/entities/project-development.entity';
+
+function makeProps(overrides: Partial<ProjectDevelopmentProps> = {}): ProjectDevelopmentProps {
+  return {
+    name: 'Test', slug: 'test', developer: 'Dev', developerLogo: null,
+    totalUnits: 100, completedUnits: 0, status: 'PLANNING',
+    startDate: null, completionDate: null, description: null,
+    amenities: null, masterPlanUrl: null, latitude: 10, longitude: 106,
+    address: 'a', ward: 'w', district: 'd', city: 'HCM',
+    minPrice: null, maxPrice: null, pricePerM2Range: null,
+    totalArea: null, buildingCount: null, floorCount: null,
+    unitTypes: null, media: null, documents: null,
+    tags: [], suitableFor: [], whyThisLocation: null,
+    isVerified: false, ownerId: null, ...overrides,
+  };
+}
+
+function makeRawRow(overrides: Record<string, unknown> = {}) {
+  return {
+    id: 'p1', name: 'Test', slug: 'test', developer: 'Dev',
+    developerLogo: null, totalUnits: 100, completedUnits: 0,
+    status: 'PLANNING', startDate: null, completionDate: null,
+    description: null, amenities: null, masterPlanUrl: null,
+    lat: 10, lng: 106, address: 'a', ward: 'w', district: 'd', city: 'HCM',
+    minPrice: null, maxPrice: null, pricePerM2Range: null,
+    totalArea: null, buildingCount: null, floorCount: null,
+    unitTypes: null, media: null, documents: null,
+    tags: [], suitableFor: [], whyThisLocation: null,
+    isVerified: false, ownerId: null,
+    createdAt: new Date(), updatedAt: new Date(),
+    ...overrides,
+  };
+}
+
+describe('PrismaProjectDevelopmentRepository', () => {
+  let repo: PrismaProjectDevelopmentRepository;
+  let mockPrisma: {
+    $queryRaw: ReturnType<typeof vi.fn>;
+    $executeRaw: ReturnType<typeof vi.fn>;
+    projectDevelopment: { delete: ReturnType<typeof vi.fn> };
+  };
+
+  beforeEach(() => {
+    mockPrisma = {
+      $queryRaw: vi.fn(),
+      $executeRaw: vi.fn().mockResolvedValue(1),
+      projectDevelopment: { delete: vi.fn().mockResolvedValue({}) },
+    };
+    repo = new PrismaProjectDevelopmentRepository(mockPrisma as any);
+  });
+
+  it('findById should return entity when found', async () => {
+    mockPrisma.$queryRaw.mockResolvedValue([makeRawRow()]);
+
+    const result = await repo.findById('p1');
+
+    expect(result).toBeInstanceOf(ProjectDevelopmentEntity);
+    expect(result!.id).toBe('p1');
+    expect(result!.name).toBe('Test');
+  });
+
+  it('findById should return null when not found', async () => {
+    mockPrisma.$queryRaw.mockResolvedValue([]);
+
+    const result = await repo.findById('missing');
+    expect(result).toBeNull();
+  });
+
+  it('findBySlug should return entity when found', async () => {
+    mockPrisma.$queryRaw.mockResolvedValue([makeRawRow({ slug: 'my-slug' })]);
+
+    const result = await repo.findBySlug('my-slug');
+    expect(result).toBeInstanceOf(ProjectDevelopmentEntity);
+    expect(result!.slug).toBe('my-slug');
+  });
+
+  it('findBySlug should return null when not found', async () => {
+    mockPrisma.$queryRaw.mockResolvedValue([]);
+    expect(await repo.findBySlug('nope')).toBeNull();
+  });
+
+  it('findDetailBySlug should return detail data when found', async () => {
+    mockPrisma.$queryRaw.mockResolvedValue([makeRawRow({ propertyCount: 5 })]);
+
+    const result = await repo.findDetailBySlug('test');
+    expect(result).not.toBeNull();
+    expect(result!.id).toBe('p1');
+    expect(result!.propertyCount).toBe(5);
+  });
+
+  it('findDetailBySlug should return null when not found', async () => {
+    mockPrisma.$queryRaw.mockResolvedValue([]);
+    expect(await repo.findDetailBySlug('nope')).toBeNull();
+  });
+
+  it('findDetailById should return detail data when found', async () => {
+    mockPrisma.$queryRaw.mockResolvedValue([makeRawRow({ propertyCount: 3 })]);
+
+    const result = await repo.findDetailById('p1');
+    expect(result).not.toBeNull();
+    expect(result!.propertyCount).toBe(3);
+  });
+
+  it('findDetailById should return null when not found', async () => {
+    mockPrisma.$queryRaw.mockResolvedValue([]);
+    expect(await repo.findDetailById('nope')).toBeNull();
+  });
+
+  it('save should call $executeRaw', async () => {
+    const entity = new ProjectDevelopmentEntity('p1', makeProps(), new Date(), new Date());
+    await repo.save(entity);
+    expect(mockPrisma.$executeRaw).toHaveBeenCalledTimes(1);
+  });
+
+  it('update should call $executeRaw', async () => {
+    const entity = new ProjectDevelopmentEntity('p1', makeProps(), new Date(), new Date());
+    await repo.update(entity);
+    expect(mockPrisma.$executeRaw).toHaveBeenCalledTimes(1);
+  });
+
+  it('delete should call prisma.projectDevelopment.delete', async () => {
+    await repo.delete('p1');
+    expect(mockPrisma.projectDevelopment.delete).toHaveBeenCalledWith({ where: { id: 'p1' } });
+  });
+
+  it('search should return paginated results', async () => {
+    // First call: count query; second call: data query
+    mockPrisma.$queryRaw
+      .mockResolvedValueOnce([{ count: BigInt(1) }])
+      .mockResolvedValueOnce([makeRawRow({ propertyCount: 2 })]);
+
+    const result = await repo.search({ page: 1, limit: 10 });
+
+    expect(result.total).toBe(1);
+    expect(result.page).toBe(1);
+    expect(result.limit).toBe(10);
+    expect(result.totalPages).toBe(1);
+    expect(result.data).toHaveLength(1);
+    expect(result.data[0].id).toBe('p1');
+  });
+
+  it('search should handle null tags/suitableFor in raw rows', async () => {
+    mockPrisma.$queryRaw
+      .mockResolvedValueOnce([{ count: BigInt(1) }])
+      .mockResolvedValueOnce([makeRawRow({ tags: null, suitableFor: null, propertyCount: 0 })]);
+
+    const result = await repo.search({ page: 1, limit: 20 });
+
+    expect(result.data[0].tags).toEqual([]);
+    expect(result.data[0].suitableFor).toEqual([]);
+  });
+
+  it('search should default page=1 and limit=20', async () => {
+    mockPrisma.$queryRaw
+      .mockResolvedValueOnce([{ count: BigInt(0) }])
+      .mockResolvedValueOnce([]);
+
+    const result = await repo.search({});
+
+    expect(result.page).toBe(1);
+    expect(result.limit).toBe(20);
+  });
+});
diff --git a/apps/api/src/modules/projects/presentation/__tests__/projects.controller.spec.ts b/apps/api/src/modules/projects/presentation/__tests__/projects.controller.spec.ts
new file mode 100644
index 0000000..7e4fec0
--- /dev/null
+++ b/apps/api/src/modules/projects/presentation/__tests__/projects.controller.spec.ts
@@ -0,0 +1,254 @@
+import { NotFoundException } from '@modules/shared';
+import { ProjectsController } from '../controllers/projects.controller';
+
+describe('ProjectsController', () => {
+  let controller: ProjectsController;
+  let mockCommandBus: { execute: ReturnType<typeof vi.fn> };
+  let mockQueryBus: { execute: ReturnType<typeof vi.fn> };
+
+  beforeEach(() => {
+    mockCommandBus = { execute: vi.fn() };
+    mockQueryBus = { execute: vi.fn() };
+    controller = new ProjectsController(mockCommandBus as any, mockQueryBus as any);
+  });
+
+  // ── listProjects ──────────────────────────────────────────────────
+
+  describe('listProjects', () => {
+    it('should shape projects with developer object and thumbnailUrl', async () => {
+      mockQueryBus.execute.mockResolvedValue({
+        data: [{
+          id: 'p1', name: 'Test', slug: 'test',
+          developer: 'Vingroup', developerLogo: 'logo.png',
+          media: [{ url: 'img.jpg', type: 'image' }],
+        }],
+        total: 1, page: 1, limit: 20, totalPages: 1,
+      });
+
+      const result = await controller.listProjects({ page: 1, limit: 20 } as any);
+
+      expect(result.data[0].developer).toEqual({
+        id: 'Vingroup', name: 'Vingroup', logo: 'logo.png',
+      });
+      expect(result.data[0].thumbnailUrl).toBe('img.jpg');
+      expect(result.data[0]).not.toHaveProperty('media');
+    });
+
+    it('should handle null media', async () => {
+      mockQueryBus.execute.mockResolvedValue({
+        data: [{ id: 'p1', name: 'T', slug: 's', developer: 'D', developerLogo: null, media: null }],
+        total: 1, page: 1, limit: 20, totalPages: 1,
+      });
+
+      const result = await controller.listProjects({} as any);
+      expect(result.data[0].thumbnailUrl).toBeNull();
+    });
+
+    it('should handle empty media array', async () => {
+      mockQueryBus.execute.mockResolvedValue({
+        data: [{ id: 'p1', name: 'T', slug: 's', developer: 'D', developerLogo: null, media: [] }],
+        total: 1, page: 1, limit: 20, totalPages: 1,
+      });
+
+      const result = await controller.listProjects({} as any);
+      expect(result.data[0].thumbnailUrl).toBeNull();
+    });
+  });
+
+  // ── listMyProjects ────────────────────────────────────────────────
+
+  describe('listMyProjects', () => {
+    it('should pass user.sub as ownerId', async () => {
+      mockQueryBus.execute.mockResolvedValue({
+        data: [], total: 0, page: 1, limit: 20, totalPages: 0,
+      });
+
+      const user = { sub: 'dev-1', role: 'DEVELOPER' };
+      await controller.listMyProjects(user as any, {} as any);
+
+      const query = mockQueryBus.execute.mock.calls[0][0];
+      expect(query.ownerId).toBe('dev-1');
+    });
+  });
+
+  // ── getProjectStats ───────────────────────────────────────────────
+
+  describe('getProjectStats', () => {
+    it('should pass id, user.sub, and user.role', async () => {
+      const stats = { projectId: 'p1', linkedListingCount: 5 };
+      mockQueryBus.execute.mockResolvedValue(stats);
+
+      const user = { sub: 'admin-1', role: 'ADMIN' };
+      const result = await controller.getProjectStats(user as any, 'p1');
+
+      expect(result).toBe(stats);
+      const query = mockQueryBus.execute.mock.calls[0][0];
+      expect(query.projectId).toBe('p1');
+      expect(query.requesterUserId).toBe('admin-1');
+      expect(query.requesterRole).toBe('ADMIN');
+    });
+  });
+
+  // ── getProject ────────────────────────────────────────────────────
+
+  describe('getProject', () => {
+    it('should shape detail with media array preserved', async () => {
+      mockQueryBus.execute.mockResolvedValue({
+        id: 'p1', name: 'T', slug: 's', developer: 'D', developerLogo: null,
+        media: [{ url: 'img.jpg' }],
+      });
+
+      const result = await controller.getProject('s');
+      expect(result.media).toEqual([{ url: 'img.jpg' }]);
+      expect(result.developer).toEqual({ id: 'D', name: 'D', logo: null });
+    });
+
+    it('should throw NotFoundException when result is null', async () => {
+      mockQueryBus.execute.mockResolvedValue(null);
+
+      await expect(controller.getProject('nope')).rejects.toThrow(NotFoundException);
+    });
+
+    it('should handle null media in detail', async () => {
+      mockQueryBus.execute.mockResolvedValue({
+        id: 'p1', name: 'T', slug: 's', developer: 'D', developerLogo: null,
+        media: null,
+      });
+
+      const result = await controller.getProject('s');
+      expect(result.media).toEqual([]);
+    });
+  });
+
+  // ── createProject ─────────────────────────────────────────────────
+
+  describe('createProject', () => {
+    it('should set ownerId to user.sub for DEVELOPER', async () => {
+      mockCommandBus.execute.mockResolvedValue({ id: 'new-1', slug: 'test' });
+
+      const user = { sub: 'dev-1', role: 'DEVELOPER' };
+      const dto = {
+        name: 'P', slug: 'p', developer: 'D', totalUnits: 10,
+        status: 'PLANNING', latitude: 10, longitude: 106,
+        address: 'a', ward: 'w', district: 'd', city: 'HCM',
+      };
+
+      await controller.createProject(user as any, dto as any);
+
+      const cmd = mockCommandBus.execute.mock.calls[0][0];
+      expect(cmd.ownerId).toBe('dev-1');
+    });
+
+    it('should set ownerId to null for ADMIN', async () => {
+      mockCommandBus.execute.mockResolvedValue({ id: 'new-1', slug: 'test' });
+
+      const user = { sub: 'admin-1', role: 'ADMIN' };
+      const dto = {
+        name: 'P', slug: 'p', developer: 'D', totalUnits: 10,
+        status: 'PLANNING', latitude: 10, longitude: 106,
+        address: 'a', ward: 'w', district: 'd', city: 'HCM',
+      };
+
+      await controller.createProject(user as any, dto as any);
+
+      const cmd = mockCommandBus.execute.mock.calls[0][0];
+      expect(cmd.ownerId).toBeNull();
+    });
+
+    it('should convert minPrice/maxPrice to BigInt', async () => {
+      mockCommandBus.execute.mockResolvedValue({ id: 'new-1', slug: 'test' });
+
+      const user = { sub: 'dev-1', role: 'DEVELOPER' };
+      const dto = {
+        name: 'P', slug: 'p', developer: 'D', totalUnits: 10,
+        status: 'PLANNING', latitude: 10, longitude: 106,
+        address: 'a', ward: 'w', district: 'd', city: 'HCM',
+        minPrice: '1000000000', maxPrice: '5000000000',
+      };
+
+      await controller.createProject(user as any, dto as any);
+
+      const cmd = mockCommandBus.execute.mock.calls[0][0];
+      expect(cmd.minPrice).toBe(BigInt('1000000000'));
+      expect(cmd.maxPrice).toBe(BigInt('5000000000'));
+    });
+
+    it('should convert startDate/completionDate to Date', async () => {
+      mockCommandBus.execute.mockResolvedValue({ id: 'new-1', slug: 'test' });
+
+      const user = { sub: 'dev-1', role: 'DEVELOPER' };
+      const dto = {
+        name: 'P', slug: 'p', developer: 'D', totalUnits: 10,
+        status: 'PLANNING', latitude: 10, longitude: 106,
+        address: 'a', ward: 'w', district: 'd', city: 'HCM',
+        startDate: '2024-01-01', completionDate: '2026-12-31',
+      };
+
+      await controller.createProject(user as any, dto as any);
+
+      const cmd = mockCommandBus.execute.mock.calls[0][0];
+      expect(cmd.startDate).toBeInstanceOf(Date);
+      expect(cmd.completionDate).toBeInstanceOf(Date);
+    });
+  });
+
+  // ── updateProject ─────────────────────────────────────────────────
+
+  describe('updateProject', () => {
+    it('should pass user info and dto params to UpdateProjectCommand', async () => {
+      mockCommandBus.execute.mockResolvedValue({ id: 'p1' });
+
+      const user = { sub: 'admin-1', role: 'ADMIN' };
+      const dto = { name: 'Updated', status: 'COMPLETED' };
+
+      await controller.updateProject(user as any, 'p1', dto as any);
+
+      const cmd = mockCommandBus.execute.mock.calls[0][0];
+      expect(cmd.id).toBe('p1');
+      expect(cmd.requesterUserId).toBe('admin-1');
+      expect(cmd.requesterRole).toBe('ADMIN');
+      expect(cmd.name).toBe('Updated');
+      expect(cmd.status).toBe('COMPLETED');
+    });
+
+    it('should convert minPrice to BigInt when provided', async () => {
+      mockCommandBus.execute.mockResolvedValue({ id: 'p1' });
+
+      const user = { sub: 'admin-1', role: 'ADMIN' };
+      const dto = { minPrice: '2000000000' };
+
+      await controller.updateProject(user as any, 'p1', dto as any);
+
+      const cmd = mockCommandBus.execute.mock.calls[0][0];
+      expect(cmd.minPrice).toBe(BigInt('2000000000'));
+    });
+
+    it('should leave minPrice as undefined when not in dto', async () => {
+      mockCommandBus.execute.mockResolvedValue({ id: 'p1' });
+
+      const user = { sub: 'admin-1', role: 'ADMIN' };
+      await controller.updateProject(user as any, 'p1', {} as any);
+
+      const cmd = mockCommandBus.execute.mock.calls[0][0];
+      expect(cmd.minPrice).toBeUndefined();
+    });
+  });
+
+  // ── deleteProject ─────────────────────────────────────────────────
+
+  describe('deleteProject', () => {
+    it('should return { success: true }', async () => {
+      mockCommandBus.execute.mockResolvedValue(undefined);
+
+      const user = { sub: 'admin-1', role: 'ADMIN' };
+      const result = await controller.deleteProject(user as any, 'p1');
+
+      expect(result).toEqual({ success: true });
+
+      const cmd = mockCommandBus.execute.mock.calls[0][0];
+      expect(cmd.id).toBe('p1');
+      expect(cmd.requesterUserId).toBe('admin-1');
+      expect(cmd.requesterRole).toBe('ADMIN');
+    });
+  });
+});