feat: bootstrap codexdash app

apps/api/prisma/schema.prisma

@@ -0,0 +1,35 @@
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "sqlite"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  id           String          @id @default(cuid())
+  email        String          @unique
+  passwordHash String
+  name         String
+  createdAt    DateTime        @default(now())
+  updatedAt    DateTime        @updatedAt
+  accounts     OpenAiAccount[]
+}
+
+model OpenAiAccount {
+  id              String   @id @default(cuid())
+  userId          String
+  label           String
+  emailHint       String?
+  encryptedCookie String
+  lastUsageJson   Json?
+  lastSyncedAt    DateTime?
+  lastError       String?
+  createdAt       DateTime @default(now())
+  updatedAt       DateTime @updatedAt
+
+  user User @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  @@index([userId])
+}