slug: user-preferences
title: User Preferences API
created: 2026-02-09T03:07:55.541048432Z
phase: implementation
phase_history:
    - phase: draft
      entered: 2026-02-09T03:07:55.541048432Z
      exited: 2026-02-09T03:10:34.140197173Z
    - phase: specified
      entered: 2026-02-09T03:10:34.140197173Z
      exited: 2026-02-09T03:20:24.506185043Z
    - phase: planned
      entered: 2026-02-09T03:20:24.506185043Z
      exited: 2026-02-09T03:20:30.611901038Z
    - phase: ready
      entered: 2026-02-09T03:20:30.611901038Z
      exited: 2026-02-09T03:22:37.766271477Z
    - phase: implementation
      entered: 2026-02-09T03:22:37.766271477Z
artifacts:
    audit:
        status: pending
        path: audit.md
    design:
        status: approved
        path: design.md
        approved_by: user
        approved_at: 2026-02-09T03:15:39.312285548Z
    qa_plan:
        status: approved
        path: qa-plan.md
        approved_by: user
        approved_at: 2026-02-09T03:20:19.110881084Z
    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: 2026-02-09T03:10:29.025362903Z
    tasks:
        status: approved
        path: tasks.md
        approved_by: user
        approved_at: 2026-02-09T03:18:20.547304636Z
        total: 7
        completed: 7
tasks:
    - id: task-001
      title: Domain layer - UserPreferences model and domain errors
      status: complete
      started_at: 2026-02-09T03:22:45.05034374Z
      done_at: 2026-02-09T03:23:09.596316012Z
    - id: task-002
      title: Port layer - PreferenceRepository interface
      status: complete
      started_at: 2026-02-09T03:23:15.366917585Z
      done_at: 2026-02-09T03:23:28.228255343Z
    - id: task-003
      title: Service layer - PreferenceService with validation logic and tests
      status: complete
      started_at: 2026-02-09T03:23:34.579590762Z
      done_at: 2026-02-09T03:24:56.650842143Z
    - id: task-004
      title: Database migration and PostgreSQL adapter
      status: complete
      started_at: 2026-02-09T03:25:05.810659873Z
      done_at: 2026-02-09T03:25:35.931875082Z
    - id: task-005
      title: HTTP handlers - GET and PUT preference endpoints with tests
      status: complete
      started_at: 2026-02-09T03:25:41.767966428Z
      done_at: 2026-02-09T03:27:06.980076413Z
    - id: task-006
      title: Routes, OpenAPI spec, and main.go wiring
      status: complete
      started_at: 2026-02-09T03:27:14.505352647Z
      done_at: 2026-02-09T03:28:39.057928335Z
    - id: task-007
      title: Cleanup - Remove example scaffolding files
      status: complete
      started_at: 2026-02-09T03:28:46.479063131Z
      done_at: 2026-02-09T03:29:25.590171477Z