feat(auth): add session traces cleanup procedure

packages/auth/src/Domain/UseCase/CleanupSessionTraces/CleanupSessionTraces.spec.ts

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+import { SessionTraceRepositoryInterface } from '../../Session/SessionTraceRepositoryInterface'
+import { CleanupSessionTraces } from './CleanupSessionTraces'
+
+describe('CleanupSessionTraces', () => {
+  let sessionTracesRepository: SessionTraceRepositoryInterface
+
+  const createUseCase = () => new CleanupSessionTraces(sessionTracesRepository)
+
+  beforeEach(() => {
+    sessionTracesRepository = {} as jest.Mocked<SessionTraceRepositoryInterface>
+    sessionTracesRepository.removeExpiredBefore = jest.fn()
+  })
+
+  it('should remove stale session traces', async () => {
+    await createUseCase().execute({ date: new Date() })
+
+    expect(sessionTracesRepository.removeExpiredBefore).toHaveBeenCalled()
+  })
+})

packages/auth/src/Domain/UseCase/CleanupSessionTraces/CleanupSessionTraces.ts

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+import { Result, UseCaseInterface } from '@standardnotes/domain-core'
+
+import { SessionTraceRepositoryInterface } from '../../Session/SessionTraceRepositoryInterface'
+import { CleanupSessionTracesDTO } from './CleanupSessionTracesDTO'
+
+export class CleanupSessionTraces implements UseCaseInterface<string> {
+  constructor(private sessionTracesRepository: SessionTraceRepositoryInterface) {}
+
+  async execute(dto: CleanupSessionTracesDTO): Promise<Result<string>> {
+    await this.sessionTracesRepository.removeExpiredBefore(dto.date)
+
+    return Result.ok('Session traces removed')
+  }
+}

packages/auth/src/Domain/UseCase/CleanupSessionTraces/CleanupSessionTracesDTO.ts

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+export interface CleanupSessionTracesDTO {
+  date: Date
+}