generated: '2026-07-21'
method: derived
source: graphql/soundtrack-your-brand-introspection.json
notes: Entity-relationship graph derived from the Soundtrack GraphQL schema via introspection. Relationships
  are read from Relay connection fields (has_many) and direct object references (has_one) among the marquee
  domain entities. IDs are GraphQL opaque global IDs resolvable via the node(id) query.
id_scheme: 'graphql-global-id (opaque, base64-ish); fetch any entity via node(id: ID!)'
entities:
- Account
- Location
- SoundZone
- Device
- User
- Playlist
- Schedule
- MusicLibrary
- Track
- Album
- Artist
- PublicAPIClient
- SubscriptionItem
- Cart
- BillingGroup
relationships:
  Account:
  - field: activityLog
    kind: has_many
    target: ActivityLogItem
    via: connection
  - field: carts
    kind: has_many
    target: Cart
    via: connection
  - field: musicLibrary
    kind: has_one
    target: MusicLibrary
  - field: locations
    kind: has_many
    target: Location
    via: connection
  - field: soundZones
    kind: has_many
    target: SoundZone
    via: connection
  - field: onboardingSoundZone
    kind: has_one
    target: SoundZone
  - field: contacts
    kind: has_many
    target: User
    via: connection
  Location:
  - field: billingGroup
    kind: has_one
    target: BillingGroup
  - field: account
    kind: has_one
    target: Account
  - field: soundZones
    kind: has_many
    target: SoundZone
    via: connection
  - field: users
    kind: has_many
    target: User
    via: connection
  - field: invited
    kind: has_many
    target: PendingUser
    via: connection
  SoundZone:
  - field: activityLog
    kind: has_many
    target: ActivityLogItem
    via: connection
  - field: playbackHistory
    kind: has_many
    target: HistoryTrack
    via: connection
  - field: blockedTracks
    kind: has_many
    target: BlockedTrack
    via: connection
  - field: schedule
    kind: has_one
    target: Schedule
  - field: account
    kind: has_one
    target: Account
  - field: location
    kind: has_one
    target: Location
  - field: device
    kind: has_one
    target: Device
  - field: errors
    kind: has_many
    target: Error
    via: connection
  Device:
  - field: soundZone
    kind: has_one
    target: SoundZone
  User:
  - field: accounts
    kind: has_many
    target: Account
    via: connection
  - field: defaultAccount
    kind: has_one
    target: Account
  Playlist:
  - field: tracks
    kind: has_many
    target: Track
    via: connection
  - field: genres
    kind: has_many
    target: PlaylistGenre
    via: connection
  - field: similarPlaylists
    kind: has_many
    target: Playlist
    via: connection
  Schedule:
  - field: playlists
    kind: has_many
    target: Playlist
  MusicLibrary:
  - field: playlists
    kind: has_many
    target: Playlist
    via: connection
  - field: schedules
    kind: has_many
    target: Schedule
    via: connection
  - field: soundtracks
    kind: has_many
    target: Soundtrack
    via: connection
  Track:
  - field: album
    kind: has_one
    target: Album
  - field: artists
    kind: has_many
    target: Artist
  Album:
  - field: artists
    kind: has_many
    target: Artist
  - field: tracks
    kind: has_many
    target: Track
    via: connection
  Artist:
  - field: station
    kind: has_one
    target: Playlist
  - field: albums
    kind: has_many
    target: Album
    via: connection
  - field: tracks
    kind: has_many
    target: Track
    via: connection
  PublicAPIClient:
  - field: accounts
    kind: has_many
    target: Account
    via: connection