Pending course, rest ready for launch

prisma/schema.prisma

@@ -37,6 +37,12 @@ enum ExerciseType {
   MATCHING
 }
 
+enum MiniGameDifficulty {
+  BEGINNER
+  INTERMEDIATE
+  ADVANCED
+}
+
 // --- MODELS ---
 
 model Profile {
@@ -55,6 +61,8 @@ model Profile {
   progress        UserProgress[]
   certificates    Certificate[]
   authoredCourses Course[]       @relation("CourseAuthor") // Teachers own courses
+  miniGameAttempts MiniGameAttempt[]
+  recommendations StudyRecommendation[]
 }
 
 model Company {
@@ -94,7 +102,8 @@ model Course {
   description Json             // { "en": "...", "es": "..." }
   level       ProficiencyLevel @default(INTERMEDIATE)
   tags        String[]
-  
+  learningOutcomes Json?       // "What you will learn"; array of strings now, i18n object later
+
   status      ContentStatus    @default(DRAFT)
   price       Decimal          @default(0.00) // Price in MXN
 
@@ -111,6 +120,7 @@ model Course {
   modules      Module[]
   certificates Certificate[]
   enrollments  Enrollment[]
+  recommendations StudyRecommendation[]
 }
 
 model Enrollment {
@@ -152,6 +162,7 @@ model Lesson {
   slug              String?  // Optional for direct linking
   orderIndex        Int
   videoUrl          String?
+  youtubeUrl        String?
   estimatedDuration Int      // Seconds
   version           Int      @default(1)
   isFreePreview     Boolean  @default(false) // Marketing hook
@@ -206,10 +217,72 @@ model Certificate {
   userId           String
   courseId         String
   companyId        String?  // Captured for co-branding (Nullable for B2C)
+  certificateNumber String  @unique
+  pdfVersion       Int      @default(1)
   issuedAt         DateTime @default(now())
   metadataSnapshot Json     // Burn the course name/version here
 
   user    Profile  @relation(fields: [userId], references: [id])
   course  Course   @relation(fields: [courseId], references: [id])
   company Company? @relation(fields: [companyId], references: [id])
-}
+
+  @@unique([userId, courseId])
+}
+
+model MiniGame {
+  id          String             @id @default(uuid())
+  slug        String             @unique
+  title       String
+  description String
+  isActive    Boolean            @default(true)
+  difficulty  MiniGameDifficulty @default(INTERMEDIATE)
+  createdAt   DateTime           @default(now())
+  updatedAt   DateTime           @updatedAt
+
+  questions MiniGameQuestion[]
+  attempts  MiniGameAttempt[]
+}
+
+model MiniGameQuestion {
+  id         String   @id @default(uuid())
+  miniGameId String
+  prompt     String
+  choices    String[]
+  answerIndex Int
+  orderIndex Int      @default(0)
+
+  miniGame MiniGame @relation(fields: [miniGameId], references: [id], onDelete: Cascade)
+
+  @@index([miniGameId, orderIndex])
+}
+
+model MiniGameAttempt {
+  id             String   @id @default(uuid())
+  userId         String
+  miniGameId     String
+  scorePercent   Int
+  correctCount   Int
+  totalQuestions Int
+  startedAt      DateTime @default(now())
+  completedAt    DateTime @default(now())
+
+  user     Profile  @relation(fields: [userId], references: [id], onDelete: Cascade)
+  miniGame MiniGame @relation(fields: [miniGameId], references: [id], onDelete: Cascade)
+
+  @@index([userId, miniGameId, completedAt])
+}
+
+model StudyRecommendation {
+  id        String   @id @default(uuid())
+  userId    String
+  courseId  String
+  reason    String
+  priority  Int      @default(0)
+  isActive  Boolean  @default(true)
+  createdAt DateTime @default(now())
+
+  user   Profile @relation(fields: [userId], references: [id], onDelete: Cascade)
+  course Course  @relation(fields: [courseId], references: [id], onDelete: Cascade)
+
+  @@index([userId, isActive, priority])
+}