Add workshops CMS API with schedule, registrations, and public storefront routes.

Includes SQL migrations, Prisma models, dashboard CRUD, registration status workflow, and website OpenAPI updates for workshop listing and signup.

Co-authored-by: Cursor <cursoragent@cursor.com>

prisma/schema.prisma

@@ -40,6 +40,8 @@ model User {
   authoredPortfolios               portfolios[]       @relation("PortfolioAuthor")
   authoredVideos                   videos[]           @relation("VideoAuthor")
   authoredInstructions               instructions[]     @relation("InstructionAuthor")
+  authoredWorkshops                  workshops[]        @relation("WorkshopAuthor")
+  workshopRegistrations              workshop_registrations[]
   shoppingCardsCreated             ShoppingCard[]     @relation("ShoppingCardCreator")
   shoppingCards                    ShoppingCard[]     @relation("ShoppingCardCustomer")
   transactionsCreated              Transaction[]      @relation("TransactionCreator")
@@ -97,6 +99,8 @@ model Business {
   portfolios                      portfolios[]
   videos                          videos[]
   instructions                    instructions[]
+  workshops                       workshops[]
+  workshop_registrations          workshop_registrations[]
   productTechnicalFieldValues     ProductTechnicalFieldValue[]
   products                        Product[]
   shoppingCards                   ShoppingCard[]
@@ -290,6 +294,7 @@ model Media {
   portfolios            portfolios[]
   videos                videos[]
   instructions          instructions[]
+  workshops             workshops[]
   featuredProducts         Product[]                  @relation("ProductFeaturedMedia")
   featuredUserProducts     UserProduct[]              @relation("UserProductFeaturedMedia")
   website_image_slot_items website_image_slot_items[]
@@ -741,6 +746,63 @@ model instructions {
   @@index([author_id], map: "idx_instructions_author_id")
 }
 
+model workshops {
+  id                     BigInt                   @id @default(autoincrement())
+  business_id            BigInt
+  author_id              BigInt?
+  title                  String                   @db.VarChar(255)
+  title_fa               String?                  @db.VarChar(255)
+  title_en               String?                  @db.VarChar(255)
+  slug                   String                   @db.VarChar(255)
+  excerpt                String?
+  content                Json                     @default("{}")
+  status                 ContentStatus            @default(draft)
+  featured_media_id      BigInt?
+  published_at           DateTime?                @db.Timestamptz(6)
+  metadata               Json                     @default("{}")
+  created_at             DateTime                 @default(now()) @db.Timestamptz(6)
+  updated_at             DateTime                 @default(now()) @db.Timestamptz(6)
+  author                 User?                    @relation("WorkshopAuthor", fields: [author_id], references: [id], onUpdate: NoAction)
+  businesses             Business                 @relation(fields: [business_id], references: [id], onDelete: Cascade, onUpdate: NoAction)
+  media                  Media?                   @relation(fields: [featured_media_id], references: [id], onUpdate: NoAction)
+  workshop_registrations workshop_registrations[]
+
+  event_date       DateTime? @db.Date
+  event_time       String?   @db.VarChar(5)
+  duration         String?   @db.VarChar(100)
+
+  @@unique([business_id, slug], map: "workshops_business_slug_unique")
+  @@index([business_id], map: "idx_workshops_business_id")
+  @@index([business_id, published_at(sort: Desc)], map: "idx_workshops_business_published")
+  @@index([business_id, status], map: "idx_workshops_business_status")
+  @@index([author_id], map: "idx_workshops_author_id")
+}
+
+enum WorkshopRegistrationStatus {
+  pending
+  approved
+  rejected
+
+  @@map("workshop_registration_status")
+}
+
+model workshop_registrations {
+  id          BigInt                     @id @default(autoincrement())
+  business_id BigInt
+  workshop_id BigInt
+  user_id     BigInt
+  status      WorkshopRegistrationStatus @default(pending)
+  created_at  DateTime                   @default(now()) @db.Timestamptz(6)
+  business    Business @relation(fields: [business_id], references: [id], onDelete: Cascade, onUpdate: NoAction)
+  workshop    workshops @relation(fields: [workshop_id], references: [id], onDelete: Cascade, onUpdate: NoAction)
+  user        User     @relation(fields: [user_id], references: [id], onDelete: Cascade, onUpdate: NoAction)
+
+  @@unique([workshop_id, user_id], map: "workshop_registrations_workshop_user_unique")
+  @@index([business_id], map: "idx_workshop_registrations_business_id")
+  @@index([workshop_id], map: "idx_workshop_registrations_workshop_id")
+  @@index([user_id], map: "idx_workshop_registrations_user_id")
+}
+
 /// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
 model Address {
   id         BigInt    @id @default(autoincrement())
@@ -1455,6 +1517,7 @@ enum MediaEntityType {
   user_product
   video
   instruction
+  workshop
 
   @@map("media_entity_type")
 }