feat: initial SchwarmbLog monorepo setup

- React + Vite + TanStack Router/Query frontend
- Hono + Prisma + MySQL backend
- Prisma schema mit allen Entitäten
- Docker + docker-compose Setup
- Tailwind mit Salm/Ozean Farbpalette

apps/api/prisma/schema.prisma

@@ -0,0 +1,260 @@
+// SchwarmbLog – Prisma Schema
+// Stack: Hono + Prisma + MySQL
+// Conventions: camelCase in Prisma, snake_case in DB, cuid() for IDs
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "mysql"
+  url      = env("DATABASE_URL")
+}
+
+// ─────────────────────────────────────────────
+// USERS & AUTH
+// ─────────────────────────────────────────────
+
+model User {
+  id              String    @id @default(cuid())
+  name            String
+  email           String?   @unique
+  role            Role      @default(STUDENT)
+
+  // Auth
+  passwordHash    String?
+  qrToken         String?   @unique @map("qr_token")
+  qrTokenCreated  DateTime? @map("qr_token_created")
+
+  createdAt       DateTime  @default(now()) @map("created_at")
+  updatedAt       DateTime  @updatedAt @map("updated_at")
+
+  // Relations
+  classMemberships  ClassMembership[]
+  swarmMemberships  SwarmMembership[]
+  blog              Blog?
+  assignedTodos     Todo[]            @relation("AssignedTodos")
+  reactions         Reaction[]
+  comments          Comment[]
+
+  @@map("users")
+}
+
+enum Role {
+  ADMIN
+  TEACHER
+  STUDENT
+  PARENT
+}
+
+// ─────────────────────────────────────────────
+// CLASSES & SWARMS
+// ─────────────────────────────────────────────
+
+model Class {
+  id          String   @id @default(cuid())
+  name        String   // z.B. "7a"
+  schoolYear  String   @map("school_year") // z.B. "2025/26"
+  createdAt   DateTime @default(now()) @map("created_at")
+
+  memberships ClassMembership[]
+  swarms      Swarm[]
+  blogs       Blog[]
+
+  @@map("classes")
+}
+
+model ClassMembership {
+  id        String          @id @default(cuid())
+  user      User            @relation(fields: [userId], references: [id])
+  userId    String          @map("user_id")
+  class     Class           @relation(fields: [classId], references: [id])
+  classId   String          @map("class_id")
+  role      ClassRole       @default(STUDENT)
+
+  @@unique([userId, classId])
+  @@map("class_memberships")
+}
+
+enum ClassRole {
+  TEACHER
+  STUDENT
+}
+
+// Schwarm = Sichtbarkeitsgruppe (Klasse oder ganzer Jahrgang)
+model Swarm {
+  id        String      @id @default(cuid())
+  name      String      // z.B. "Schwarm 7a" oder "Schwarm Jahrgang 7"
+  scope     SwarmScope
+  class     Class?      @relation(fields: [classId], references: [id])
+  classId   String?     @map("class_id")
+  createdAt DateTime    @default(now()) @map("created_at")
+
+  memberships SwarmMembership[]
+
+  @@map("swarms")
+}
+
+enum SwarmScope {
+  CLASS   // nur eine Klasse
+  YEAR    // ganzer Jahrgang
+}
+
+model SwarmMembership {
+  id      String @id @default(cuid())
+  swarm   Swarm  @relation(fields: [swarmId], references: [id])
+  swarmId String @map("swarm_id")
+  user    User   @relation(fields: [userId], references: [id])
+  userId  String @map("user_id")
+
+  @@unique([swarmId, userId])
+  @@map("swarm_memberships")
+}
+
+// ─────────────────────────────────────────────
+// STATIONEN & TEMPLATES
+// ─────────────────────────────────────────────
+
+model Station {
+  id          String   @id @default(cuid())
+  name        String   // z.B. "Lagos"
+  country     String
+  latitude    Float
+  longitude   Float
+  bneTopic    String   @map("bne_topic")  // z.B. "Elektroschrott"
+  description String?  @db.Text
+  orderIndex  Int      @map("order_index") // optimale Reihenfolge
+  createdAt   DateTime @default(now()) @map("created_at")
+  updatedAt   DateTime @updatedAt @map("updated_at")
+
+  templates   EntryTemplate[]
+  blogEntries BlogEntry[]
+
+  @@map("stations")
+}
+
+// Vorstrukturierter Eintrag (Lückentext, Bildblock, etc.)
+// blocks: JSON-Array von Block-Objekten
+// Beispiel: [{ type: "gap_text", content: "Ich bin in ___ angekommen..." }, { type: "image" }, { type: "free_text" }]
+model EntryTemplate {
+  id          String   @id @default(cuid())
+  station     Station  @relation(fields: [stationId], references: [id])
+  stationId   String   @map("station_id")
+  title       String
+  blocks      Json     // Block-Struktur des Templates
+  isOptional  Boolean  @default(false) @map("is_optional")
+  orderIndex  Int      @default(0) @map("order_index")
+  createdAt   DateTime @default(now()) @map("created_at")
+  updatedAt   DateTime @updatedAt @map("updated_at")
+
+  todos       Todo[]
+  blogEntries BlogEntry[]
+
+  @@map("entry_templates")
+}
+
+// ─────────────────────────────────────────────
+// BLOG & EINTRÄGE
+// ─────────────────────────────────────────────
+
+model Blog {
+  id        String   @id @default(cuid())
+  student   User     @relation(fields: [studentId], references: [id])
+  studentId String   @unique @map("student_id")
+  class     Class    @relation(fields: [classId], references: [id])
+  classId   String   @map("class_id")
+  title     String   @default("Mein Reiseblog")
+  createdAt DateTime @default(now()) @map("created_at")
+  updatedAt DateTime @updatedAt @map("updated_at")
+
+  entries   BlogEntry[]
+  todos     Todo[]
+
+  @@map("blogs")
+}
+
+model BlogEntry {
+  id          String          @id @default(cuid())
+  blog        Blog            @relation(fields: [blogId], references: [id])
+  blogId      String          @map("blog_id")
+  station     Station?        @relation(fields: [stationId], references: [id])
+  stationId   String?         @map("station_id")
+  template    EntryTemplate?  @relation(fields: [templateId], references: [id])
+  templateId  String?         @map("template_id") // null = freier Eintrag
+  title       String
+  blocks      Json            // Ausgefüllte Block-Inhalte (Text, Bildpfad, etc.)
+  status      EntryStatus     @default(DRAFT)
+  visibility  Visibility      @default(PRIVATE)
+  createdAt   DateTime        @default(now()) @map("created_at")
+  updatedAt   DateTime        @updatedAt @map("updated_at")
+
+  reactions   Reaction[]
+  comments    Comment[]
+
+  @@map("blog_entries")
+}
+
+enum EntryStatus {
+  DRAFT
+  PUBLISHED
+}
+
+enum Visibility {
+  PRIVATE   // nur Schüler + Lehrkraft
+  CLASS     // Klassen-Schwarm
+  YEAR      // Jahrgangs-Schwarm
+  PARENTS   // zusätzlich Eltern
+}
+
+// ─────────────────────────────────────────────
+// TODOS
+// ─────────────────────────────────────────────
+
+// Lehrkraft weist Schüler einen vorstrukturierten Eintrag zu
+model Todo {
+  id           String        @id @default(cuid())
+  blog         Blog          @relation(fields: [blogId], references: [id])
+  blogId       String        @map("blog_id")
+  template     EntryTemplate @relation(fields: [templateId], references: [id])
+  templateId   String        @map("template_id")
+  assignedBy   User          @relation("AssignedTodos", fields: [assignedById], references: [id])
+  assignedById String        @map("assigned_by")
+  dueDate      DateTime?     @map("due_date")
+  completedAt  DateTime?     @map("completed_at")
+  createdAt    DateTime      @default(now()) @map("created_at")
+
+  @@map("todos")
+}
+
+// ─────────────────────────────────────────────
+// SOZIALES
+// ─────────────────────────────────────────────
+
+model Reaction {
+  id      String       @id @default(cuid())
+  entry   BlogEntry    @relation(fields: [entryId], references: [id])
+  entryId String       @map("entry_id")
+  user    User         @relation(fields: [userId], references: [id])
+  userId  String       @map("user_id")
+  type    ReactionType @default(LIKE)
+
+  @@unique([entryId, userId]) // pro Eintrag nur eine Reaktion pro User
+  @@map("reactions")
+}
+
+enum ReactionType {
+  LIKE
+}
+
+model Comment {
+  id        String    @id @default(cuid())
+  entry     BlogEntry @relation(fields: [entryId], references: [id])
+  entryId   String    @map("entry_id")
+  user      User      @relation(fields: [userId], references: [id])
+  userId    String    @map("user_id")
+  text      String    @db.Text
+  createdAt DateTime  @default(now()) @map("created_at")
+  updatedAt DateTime  @updatedAt @map("updated_at")
+
+  @@map("comments")
+}