// Story branching for narrative generation (Phase 2)

model StoryBranch {
  id              String    @id @default(uuid())
  title           String?
  content         String
  userDirection   String
  generationParams Json?
  depth           Int       @default(0)
  branchOrder     Int       @default(0)
  createdAt       DateTime  @default(now())

  conversationId  String
  conversation    Conversation  @relation(fields: [conversationId], references: [id], onDelete: Cascade)
  parentId        String?
  parent          StoryBranch?  @relation("BranchTree", fields: [parentId], references: [id], onDelete: Cascade)
  children        StoryBranch[] @relation("BranchTree")

  @@index([conversationId])
  @@index([parentId])
}