slug: user-preferences
title: User Preferences API
created: 2026-02-09T02:15:19.934404761Z
phase: specified
phase_history:
    - phase: draft
      entered: 2026-02-09T02:15:19.934404761Z
      exited: 2026-02-09T02:18:19.466533103Z
    - phase: specified
      entered: 2026-02-09T02:18:19.466533103Z
artifacts:
    audit:
        status: pending
        path: audit.md
    design:
        status: approved
        path: design.md
        approved_by: user
        approved_at: 2026-02-09T02:23:50.511364172Z
    qa_plan:
        status: draft
        path: qa-plan.md
    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: 2026-02-09T02:18:15.533898188Z
    tasks:
        status: approved
        path: tasks.md
        approved_by: user
        approved_at: 2026-02-09T02:26:14.114770656Z
        total: 6
tasks:
    - id: task-001
      title: Domain layer - preferences entity, validation, defaults, and errors
      status: pending
    - id: task-002
      title: Port layer - PreferencesRepository interface
      status: pending
    - id: task-003
      title: Service layer - PreferencesService with deep merge, get/update logic, and unit tests
      status: pending
    - id: task-004
      title: Database migration and PostgreSQL adapter
      status: pending
    - id: task-005
      title: HTTP handlers - GET and PUT preferences with request/response types and unit tests
      status: pending
    - id: task-006
      title: Wiring, routes, OpenAPI spec, and example scaffolding removal
      status: pending