95 lines
1.6 KiB
Plaintext
95 lines
1.6 KiB
Plaintext
// Prisma schema for the personal chat DB + LLM call log
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generator client {
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provider = "prisma-client-js"
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}
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datasource db {
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provider = "sqlite"
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url = env("DATABASE_URL")
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}
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enum Provider {
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openai
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anthropic
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xai
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}
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enum MessageRole {
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system
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user
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assistant
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tool
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}
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model User {
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id String @id @default(cuid())
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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// minimal for now (single-user is fine). Keep extensible.
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handle String? @unique
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chats Chat[]
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}
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model Chat {
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id String @id @default(cuid())
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createdAt DateTime @default(now())
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updatedAt DateTime @updatedAt
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title String?
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user User? @relation(fields: [userId], references: [id])
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userId String?
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messages Message[]
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calls LlmCall[]
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@@index([userId])
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}
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model Message {
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id String @id @default(cuid())
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createdAt DateTime @default(now())
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chat Chat @relation(fields: [chatId], references: [id], onDelete: Cascade)
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chatId String
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role MessageRole
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content String
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// for tool messages or attachments later
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name String?
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metadata Json?
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@@index([chatId, createdAt])
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}
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model LlmCall {
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id String @id @default(cuid())
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createdAt DateTime @default(now())
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chat Chat @relation(fields: [chatId], references: [id], onDelete: Cascade)
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chatId String
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provider Provider
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model String
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// request/response snapshots for debugging + replay
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request Json
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response Json?
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// usage/cost basics
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inputTokens Int?
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outputTokens Int?
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totalTokens Int?
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latencyMs Int?
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error String?
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@@index([chatId, createdAt])
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@@index([provider, model, createdAt])
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}
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