feature: "examine what is missing in current app and implement it"
mode: full_auto
finalized_at: 2025-12-20T22:05:00Z

analysis:
  current_state: "Next.js music streaming platform with complete data model but most features unimplemented"
  app_type: "music streaming platform"
  core_purpose: "Allow users to discover, stream, and manage music"

missing_critical:
  - feature: "Audio Playback Engine"
    reason: "Core functionality - users cannot play music"
    impact: "App is non-functional without audio playback"
  - feature: "User Authentication"
    reason: "No way to identify users or save preferences"
    impact: "Cannot provide personalized experience"
  - feature: "File Upload System"
    reason: "No mechanism to add music to the platform"
    impact: "Platform has no content to stream"
  - feature: "Search Implementation"
    reason: "UI exists but no backend search capability"
    impact: "Users cannot discover music beyond browsing"

missing_important:
  - feature: "User Library/Favorites"
    reason: "No way for users to save liked music"
    impact: "Poor user retention and experience"
  - feature: "Music Discovery"
    reason: "No recommendations beyond basic listings"
    impact: "Limited content exploration"
  - feature: "Artist Analytics Dashboard"
    reason: "Artists cannot track their performance"
    impact: "No value proposition for content creators"
  - feature: "Playlist Collaboration"
    reason: "No social features or sharing"
    impact: "Limited community engagement"

missing_nice_to_have:
  - feature: "Mobile App"
    reason: "No native mobile experience"
    impact: "Limited accessibility"
  - feature: "AI Recommendations"
    reason: "No personalized discovery engine"
    impact: "Generic user experience"
  - feature: "Live Streaming"
    reason: "No real-time performance features"
    impact: "Limited artist engagement"
  - feature: "Social Features"
    reason: "No user profiles or following"
    impact: "No community building"

technical_gaps:
  - gap: "No WebSocket implementation"
    category: "real-time"
    priority: "high"
  - gap: "No CDN for audio delivery"
    category: "performance"
    priority: "high"
  - gap: "No API rate limiting"
    category: "security"
    priority: "medium"
  - gap: "No caching layer"
    category: "performance"
    priority: "medium"
  - gap: "Limited accessibility features"
    category: "accessibility"
    priority: "low"

acceptance_criteria:
  - criterion: "Users can play audio tracks"
    verification: "Click play on any song and verify audio plays with controls"
  - criterion: "Users can register and login"
    verification: "Complete registration flow, verify login works, session persists"
  - criterion: "Users can upload music files"
    verification: "Upload mp3/other format, verify file stored and appears in library"
  - criterion: "Search returns relevant results"
    verification: "Search for songs/artists/albums, verify accurate results"
  - criterion: "Player controls work properly"
    verification: "Play, pause, skip, volume, seek all function correctly"
  - criterion: "Queue system works"
    verification: "Add songs to queue, verify they play in order"
  - criterion: "User can save favorites"
    verification: "Like songs, verify they appear in favorites list"
  - criterion: "Responsive design works"
    verification: "Test on mobile/tablet, verify layout adapts properly"

implementation_plan:
  phase_1: "Audio player, authentication, file upload, search implementation"
  phase_2: "User library, favorites, basic discovery, artist dashboard"
  phase_3: "Social features, advanced recommendations, performance optimizations"