component: database

• Playlist model and related repository
• Playlist-song relations (many-to-many)
• Playlist-group relations (many-to-many)

component: core

• Facility for adding playlist to current play queue at specific position
• Background task to space out ordering
• Play queue generator restarts looping playlists at end

component: discord int.

• Browse playlists
• Create playlists
• Adding songs to playlist
• Updating song's frequency in playlist
• Change order in playlist
• Removing songs from playlist
• Deleting playlist
• Command to play playlist or add to queue

component: rest api

• Creating playlists
• Adding songs to playlist
• Updating song's frequency in playlist
• Change order in playlist
• Removing songs from playlist
• Deleting playlist
• Endpoint to play playlist or add to queue

component: web

• Browse playlists
• Create playlists
• Adding songs to playlist
• Updating song's frequency in playlist
• Change order in playlist
• Removing songs from playlist
• Deleting playlist
• Button to play playlist or add to queue