add instructor invite code..

prisma/auth.schema.prisma

@@ -44,6 +44,7 @@ model User {
   userLicenses UserLicense[]
   refreshTokens RefreshToken[]
   affiliations  UserAffiliation[]
+  appRoles      UserAppRole[]
 
   @@map("users")
 }
@@ -113,6 +114,7 @@ model Organization {
   type               OrganizationType  @default(OTHER)
   domain             String?
   defaultLicenseCode String?     @map("default_license_code")
+  instructorInviteCode String    @unique @map("instructor_invite_code")
   isActive           Boolean           @default(true) @map("is_active")
   createdById        String?           @map("created_by_id") @db.Uuid
   createdByName      String?           @map("created_by_name")
@@ -145,3 +147,22 @@ model UserAffiliation {
   @@index([organizationId])
   @@map("user_affiliations")
 }
+
+model UserAppRole {
+  id           String   @id @default(uuid()) @db.Uuid
+  userId       String   @map("user_id") @db.Uuid
+  appKey       String   @map("app_key")
+  roleCode     String   @map("role_code")
+  assignedById String?  @map("assigned_by") @db.Uuid
+  assignedAt   DateTime @default(now()) @map("assigned_at") @db.Timestamptz(3)
+  startsAt     DateTime? @map("starts_at") @db.Timestamptz(3)
+  endsAt       DateTime? @map("ends_at") @db.Timestamptz(3)
+  createdAt    DateTime @default(now()) @map("created_at") @db.Timestamptz(3)
+  updatedAt    DateTime @updatedAt @map("updated_at") @db.Timestamptz(3)
+  user         User     @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+  @@unique([userId, appKey, roleCode])
+  @@index([appKey, roleCode])
+  @@index([userId, appKey])
+  @@map("user_app_roles")
+}