slug: user-preferences
title: User Preferences API
created: 2026-02-08T01:41:06.381540844Z
phase: implementation
phase_history:
    - phase: draft
      entered: 2026-02-08T01:41:06.381540844Z
      exited: 2026-02-08T01:55:28.531349406Z
    - phase: specified
      entered: 2026-02-08T01:55:28.531349406Z
      exited: 2026-02-08T01:55:40.135247101Z
    - phase: planned
      entered: 2026-02-08T01:55:40.135247101Z
      exited: 2026-02-08T01:55:43.596783684Z
    - phase: ready
      entered: 2026-02-08T01:55:43.596783684Z
      exited: 2026-02-08T01:55:43.600701486Z
    - phase: implementation
      entered: 2026-02-08T01:55:43.600701486Z
artifacts:
    audit:
        status: pending
        path: audit.md
    design:
        status: approved
        path: design.md
        approved_by: user
        approved_at: 2026-02-08T01:54:48.460583158Z
    qa_plan:
        status: approved
        path: qa-plan.md
        approved_by: user
        approved_at: 2026-02-08T01:55:40.125951198Z
    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: 2026-02-08T01:54:48.456496388Z
    tasks:
        status: approved
        path: tasks.md
        approved_by: user
        approved_at: 2026-02-08T01:54:48.465193053Z
        total: 8
        completed: 8
tasks:
    - id: task-001
      title: Remove example scaffold - delete all example entity files
      status: complete
      started_at: 2026-02-08T01:55:53.824913396Z
      done_at: 2026-02-08T01:56:04.69416161Z
    - id: task-002
      title: Domain layer - preferences entity, validation, merge logic
      status: complete
      started_at: 2026-02-08T01:56:04.699266877Z
      done_at: 2026-02-08T01:56:55.635118124Z
    - id: task-003
      title: Port interface - PreferencesRepository with Get and Upsert
      status: complete
      started_at: 2026-02-08T01:56:55.64353869Z
      done_at: 2026-02-08T01:57:11.987282578Z
    - id: task-004
      title: In-memory adapter - thread-safe map implementation
      status: complete
      started_at: 2026-02-08T01:57:11.992734588Z
      done_at: 2026-02-08T01:57:36.505934659Z
    - id: task-005
      title: Service layer - PreferencesService with Get and Upsert merge logic
      status: complete
      started_at: 2026-02-08T01:57:36.512188517Z
      done_at: 2026-02-08T01:58:17.276360723Z
    - id: task-006
      title: HTTP handlers - GET and PUT with auth, validation, error mapping
      status: complete
      started_at: 2026-02-08T01:58:17.283902455Z
      done_at: 2026-02-08T02:00:03.080855521Z
    - id: task-007
      title: Routes and OpenAPI spec - wire endpoints and document API
      status: complete
      started_at: 2026-02-08T02:00:03.087855474Z
      done_at: 2026-02-08T02:00:55.561269209Z
    - id: task-008
      title: Wire main.go and integration - connect all layers
      status: complete
      started_at: 2026-02-08T02:00:55.567098899Z
      done_at: 2026-02-08T02:01:30.333129918Z