Initial commit: deardiary project setup

backend/prisma/schema.prisma

@@ -0,0 +1,101 @@
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "sqlite"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  id           String   @id @default(uuid())
+  email        String   @unique
+  passwordHash String
+  createdAt    DateTime @default(now())
+  updatedAt    DateTime @updatedAt
+
+  apiKeys  ApiKey[]
+  entries  Entry[]
+  journals Journal[]
+  tasks    Task[]
+  settings Settings?
+}
+
+model ApiKey {
+  id         String   @id @default(uuid())
+  userId     String
+  keyHash    String   @unique
+  name       String
+  lastUsedAt DateTime?
+  createdAt  DateTime @default(now())
+
+  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  @@index([userId])
+}
+
+model Entry {
+  id        String   @id @default(uuid())
+  userId    String
+  date      String
+  type      String
+  content   String
+  mediaPath String?
+  metadata  String?
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  @@index([userId, date])
+  @@index([date])
+}
+
+model Journal {
+  id          String   @id @default(uuid())
+  userId      String
+  date        String
+  content     String
+  entryCount  Int
+  generatedAt DateTime @default(now())
+
+  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
+  tasks Task[]
+
+  @@unique([userId, date])
+  @@index([userId])
+}
+
+model Task {
+  id          String   @id @default(uuid())
+  userId     String
+  journalId   String
+  type       String   @default("journal_generate")
+  status     String   @default("pending")
+  provider   String
+  model      String?
+  prompt     String
+  request    String?
+  response   String?
+  error      String?
+  createdAt  DateTime @default(now())
+  completedAt DateTime?
+
+  user    User    @relation(fields: [userId], references: [id], onDelete: Cascade)
+  journal Journal @relation(fields: [journalId], references: [id], onDelete: Cascade)
+
+  @@index([userId])
+  @@index([journalId])
+}
+
+model Settings {
+  userId        String @id
+  aiProvider    String @default("openai")
+  aiApiKey      String?
+  aiModel       String @default("gpt-4")
+  aiBaseUrl     String?
+  journalPrompt String @default("You are a thoughtful journal writer. Based on the entries provided, write a reflective journal entry for this day in a warm, personal tone.")
+  language      String @default("en")
+
+  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
+}