model User {
    id       String  @id @default(uuid())
    username String  @unique
    admin    Boolean @default(false)
    enabled  Boolean @default(true)

    email                  String
    displayName            String
    profilePictureObjectId String // Object

    authMecs LinkedAuthMec[]
    mfas     LinkedMFAMec[]

    clients       Client[]
    notifications Notification[]
    collections   Collection[]
    articles      Article[]

    tokens   APIToken[]
    sessions Session[]

    saves       SaveSlot[]
    screenshots Screenshot[]
    playtime    Playtime[]

    // See content.prisma's Game model for why M5 (and future milestones) do
    // NOT add a relation array here -- Mod/ModInstallation reference User.id
    // as a plain, unenforced-by-FK column, same pattern as devices.prisma.

    // --- M3: friends, presence, chat ---
    friendshipsSent     Friendship[]    @relation("FriendshipRequester")
    friendshipsReceived Friendship[]    @relation("FriendshipAddressee")
    chatRoomsCreated    ChatRoom[]      @relation("ChatRoomCreatedBy")
    chatMessages        ChatMessage[]   @relation("ChatMessageSender")
    chatReadStates      ChatReadState[] @relation("ChatReadState")
}

model Notification {
    id String @id @default(uuid())

    nonce String?

    userId String
    user   User     @relation(fields: [userId], references: [id], onDelete: Cascade)
    acls   String[]

    created     DateTime @default(now())
    title       String
    description String
    actions     String[]

    read Boolean @default(false)

    @@unique([userId, nonce])
}