Implicite Many-to-Many relationship double primary key

model Kit {
  kitid            Int       @id @default(autoincrement())
  kitname          String
  guildid          BigInt
  guild            Guild     @relation(fields: [guildid], references: [guildid])
  channelid        BigInt?
  enable           Boolean   @default(false)
  kitrows          KitRow[]
  adminroles       KitRole[] @relation(name: "adminrole")
  requiredroles    KitRole[] @relation(name: "requiredrole")

  @@unique([kitname, guildid])
}

model Role {
  roleid           BigInt    
  guildid          BigInt 
  guild            Guild     @relation(fields: [guildid], references: [guildid])
  kitroles         KitRole[]

  @@id([roleid, guildid])
}

model KitRole {
  kitid            Int
  roleid           BigInt
  guildid          BigInt
  kit              Kit        @relation(fields: [kitid], references: [kitid])
  role             Role       @relation(fields: [roleid, guildid], references: [roleid, guildid])

  @@id([kitid, roleid, guildid])
}