feat: EduEasy checkpoint - plan, scaffolding, pedagogia modules, components child+parent, API routes, Prisma schema, Docker infra, Better Auth

prisma/schema.prisma

@@ -0,0 +1,152 @@
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model Parent {
+  id           String    @id @default(cuid())
+  email        String    @unique
+  name         String?
+  emailVerified Boolean  @default(false)
+  image        String?
+  createdAt    DateTime  @default(now())
+  updatedAt    DateTime  @updatedAt
+
+  familyId String
+  family   Family  @relation(fields: [familyId], references: [id])
+
+  sessions Session[]
+  accounts Account[]
+}
+
+model Session {
+  id           String   @id @default(cuid())
+  email        String?
+  userId       String?
+  parentId     String?
+  parent       Parent?  @relation(fields: [parentId], references: [id])
+  token        String   @unique
+  expiresAt    DateTime
+  ipAddress    String?
+  userAgent    String?
+  createdAt    DateTime @default(now())
+  updatedAt    DateTime @updatedAt
+}
+
+model Account {
+  id              String  @id @default(cuid())
+  accountId       String
+  providerId      String
+  parentId        String
+  parent          Parent  @relation(fields: [parentId], references: [id])
+  accessToken     String?
+  refreshToken    String?
+  idToken         String?
+  accessTokenExpiresAt DateTime?
+  scope           String?
+  password        String?
+  createdAt       DateTime @default(now())
+  updatedAt       DateTime @updatedAt
+}
+
+model Verification {
+  id         String   @id @default(cuid())
+  identifier String
+  value      String
+  expiresAt  DateTime
+  createdAt  DateTime @default(now())
+  updatedAt  DateTime @updatedAt
+}
+
+model Family {
+  id        String   @id @default(cuid())
+  name      String?
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  parents  Parent[]
+  children Child[]
+}
+
+model Child {
+  id            String   @id @default(cuid())
+  name          String?
+  avatar        String?
+  birthdate     DateTime?
+  profileNotes  String?
+  createdAt     DateTime @default(now())
+  updatedAt     DateTime @updatedAt
+
+  familyId String
+  family   Family @relation(fields: [familyId], references: [id])
+
+  devices     Device[]
+  sessions    SessionLog[]
+  fsrsCards   FsrsCard[]
+  milestones  Milestone[]
+}
+
+model Device {
+  id                String   @id @default(cuid())
+  deviceFingerprint String
+  pairedAt          DateTime @default(now())
+  lastSeen          DateTime @updatedAt
+  role              String   @default("child")
+  createdAt         DateTime @default(now())
+
+  childId String
+  child   Child @relation(fields: [childId], references: [id])
+}
+
+model SessionLog {
+  id             String   @id @default(cuid())
+  startedAt      DateTime @default(now())
+  endedAt        DateTime?
+  durationSec    Int?
+  skillsPracticed String?
+
+  childId String
+  child   Child @relation(fields: [childId], references: [id])
+
+  skillAttempts SkillAttempt[]
+}
+
+model SkillAttempt {
+  id          String   @id @default(cuid())
+  skillCode   String
+  promptLevel Int      @default(0)
+  correct     Boolean
+  responseMs  Int?
+  createdAt   DateTime @default(now())
+
+  sessionLogId String
+  sessionLog   SessionLog @relation(fields: [sessionLogId], references: [id])
+}
+
+model FsrsCard {
+  id         String   @id @default(cuid())
+  skillCode  String
+  dueAt      DateTime @default(now())
+  stability  Float    @default(0)
+  difficulty Float    @default(0)
+  reps       Int      @default(0)
+  lapses     Int      @default(0)
+  createdAt  DateTime @default(now())
+  updatedAt  DateTime @updatedAt
+
+  childId String
+  child   Child @relation(fields: [childId], references: [id])
+}
+
+model Milestone {
+  id        String   @id @default(cuid())
+  skillCode String
+  reachedAt DateTime @default(now())
+
+  childId String
+  child   Child @relation(fields: [childId], references: [id])
+}