Add public catalog APIs, website slots, featured slots, and int category/product IDs.

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

prisma/schema.prisma

@@ -131,24 +131,27 @@ model Store {
   blogs        BlogPost[]
   orderItems   OrderItem[]
   fulfillments OrderStoreFulfillment[]
+  websiteSlots WebsiteSlotItem[]
 
   @@index([status])
 }
 
 model Category {
-  id        String     @id @default(cuid())
+  id        Int        @id @default(autoincrement())
   storeId   String
   store     Store      @relation(fields: [storeId], references: [id], onDelete: Cascade)
-  parentId  String?
+  parentId  Int?
   parent    Category?  @relation("CategoryTree", fields: [parentId], references: [id], onDelete: SetNull)
   children  Category[] @relation("CategoryTree")
   nameFa    String
   nameEn    String     @default("")
   sortOrder Int        @default(0)
-  colors    String[]   @default([])
-  sizes     String[]   @default([])
-  packages  String[]   @default([])
-  products  Product[]
+  colors           String[]   @default([])
+  sizes            String[]   @default([])
+  packages         String[]   @default([])
+  /// Ordered form-builder defs: [{ id, labelFa, labelEn?, type: "text", required? }]
+  technicalFields  Json       @default("[]")
+  products         Product[]
 
   @@index([storeId])
   @@index([parentId])
@@ -169,10 +172,10 @@ model Brand {
 }
 
 model Product {
-  id            String           @id @default(cuid())
+  id            Int              @id @default(autoincrement())
   storeId       String
   store         Store            @relation(fields: [storeId], references: [id], onDelete: Cascade)
-  categoryId    String?
+  categoryId    Int?
   category      Category?        @relation(fields: [categoryId], references: [id], onDelete: SetNull)
   brandId       String?
   brand         Brand?           @relation(fields: [brandId], references: [id], onDelete: SetNull)
@@ -188,10 +191,14 @@ model Product {
   galleryKeys   String[]         @default([])
   tags            String[]         @default([])
   published       Boolean          @default(true)
+  /// Home carousel featured slot: promo-1 | promo-2 | promo-3
+  featuredSlot    String?
   vipEnabled      Boolean          @default(false)
   vipOnly         Boolean          @default(false)
   vipSpecialPrice Boolean          @default(false)
   vipPrice        Int?
+  /// Values keyed by category technical field id: { [fieldId]: string }
+  technicalData   Json             @default("{}")
   createdAt       DateTime         @default(now())
   updatedAt       DateTime         @updatedAt
   variants        ProductVariant[]
@@ -202,13 +209,14 @@ model Product {
   @@index([brandId])
   @@index([price])
   @@index([published])
+  @@index([featuredSlot])
   @@index([vipEnabled])
   @@index([vipOnly])
 }
 
 model ProductVariant {
   id            String  @id @default(cuid())
-  productId     String
+  productId     Int
   product       Product @relation(fields: [productId], references: [id], onDelete: Cascade)
   colorId       String  @default("")
   sizeId        String  @default("")
@@ -289,7 +297,7 @@ model OrderItem {
   order        Order    @relation(fields: [orderId], references: [id], onDelete: Cascade)
   storeId      String
   store        Store    @relation(fields: [storeId], references: [id], onDelete: Restrict)
-  productId    String?
+  productId    Int?
   product      Product? @relation(fields: [productId], references: [id], onDelete: SetNull)
   nameFa       String
   variantLabel String?
@@ -313,3 +321,26 @@ model OrderStoreFulfillment {
   @@index([storeId])
   @@index([status])
 }
+
+/// Homepage / storefront image slots (hero slides, banners, category thumbs, …)
+model WebsiteSlotItem {
+  id        String   @id @default(cuid())
+  storeId   String
+  store     Store    @relation(fields: [storeId], references: [id], onDelete: Cascade)
+  /// e.g. home.hero | home.category.shirts | home.banner.leather
+  slotKey   String
+  sortOrder Int      @default(0)
+  nameFa    String   @default("")
+  nameEn    String   @default("")
+  subtext   String   @default("")
+  linkText  String   @default("")
+  link      String   @default("")
+  imageUrl  String?
+  imageKey  String?
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+
+  @@index([storeId])
+  @@index([storeId, slotKey])
+  @@index([storeId, slotKey, sortOrder])
+}