slug: user-preferences
title: User Preferences API
created: 2026-02-08T18:17:02.968042724Z
phase: implementation
phase_history:
    - phase: draft
      entered: 2026-02-08T18:17:02.968042724Z
      exited: 2026-02-08T18:29:39.550381897Z
    - phase: specified
      entered: 2026-02-08T18:29:39.550381897Z
      exited: 2026-02-08T18:29:53.153864477Z
    - phase: planned
      entered: 2026-02-08T18:29:53.153864477Z
      exited: 2026-02-08T18:29:56.894993224Z
    - phase: ready
      entered: 2026-02-08T18:29:56.894993224Z
      exited: 2026-02-08T18:29:56.917360514Z
    - phase: implementation
      entered: 2026-02-08T18:29:56.917360514Z
      exited: 2026-02-09T01:46:54.158667513Z
    - phase: implementation
      entered: 2026-02-09T01:46:54.158667513Z
artifacts:
    audit:
        status: pending
        path: audit.md
    design:
        status: approved
        path: design.md
        approved_by: user
        approved_at: 2026-02-08T18:29:42.702450956Z
    qa_plan:
        status: approved
        path: qa-plan.md
        approved_by: user
        approved_at: 2026-02-08T18:29:53.146901385Z
    qa_results:
        status: pending
        path: qa-results.md
    review:
        status: pending
        path: review.md
    spec:
        status: approved
        path: spec.md
        approved_by: user
        approved_at: 2026-02-08T21:03:02.629393105Z
    tasks:
        status: approved
        path: tasks.md
        approved_by: user
        approved_at: 2026-02-08T18:29:49.407986092Z
        total: 8
        completed: 8
tasks:
    - id: task-001
      title: Domain layer - preference types, validation, defaults, and errors
      status: complete
      started_at: 2026-02-08T18:30:07.177070642Z
      done_at: 2026-02-08T18:30:47.563414677Z
    - id: task-002
      title: Port layer - PreferenceRepository interface
      status: complete
      started_at: 2026-02-08T18:30:54.092228454Z
      done_at: 2026-02-08T18:31:07.242219516Z
    - id: task-003
      title: Adapter layer - in-memory PreferenceRepository for tests
      status: complete
      started_at: 2026-02-08T18:31:10.959466002Z
      done_at: 2026-02-08T18:31:28.764295086Z
    - id: task-004
      title: Adapter layer - PostgreSQL PreferenceRepository with schema creation
      status: complete
      started_at: 2026-02-08T18:31:33.081182632Z
      done_at: 2026-02-08T18:32:08.171501928Z
    - id: task-005
      title: Service layer - PreferenceService with business logic and tests
      status: complete
      started_at: 2026-02-08T18:32:11.180930379Z
      done_at: 2026-02-08T18:32:50.251188405Z
    - id: task-006
      title: Handler layer - GET and PUT preference handlers with tests
      status: complete
      started_at: 2026-02-08T18:32:54.622410699Z
      done_at: 2026-02-08T18:34:07.986803108Z
    - id: task-007
      title: Routes, OpenAPI spec, and main.go wiring
      status: complete
      started_at: 2026-02-08T18:34:11.65603509Z
      done_at: 2026-02-08T18:35:40.301958539Z
    - id: task-008
      title: Remove example scaffold and verify clean build
      status: complete
      started_at: 2026-02-08T18:35:43.8274105Z
      done_at: 2026-02-08T18:36:22.369967627Z