feat: implement dynamic categories, admin category CRUD, fix routing and cleanup

prisma/schema.prisma

@@ -126,6 +126,13 @@ model Listing {
   featuredUntil   DateTime?
   collections     Collection[] @relation("CollectionListings")
   instagramFeed   InstagramFeedCache?
+
+  // Phase 3 Fields
+  hasWidgetInstalled  Boolean   @default(false)
+  widgetInstalledAt   DateTime?
+  widgetSiteUrl       String?
+  analytics           ListingAnalyticsDaily[]
+  events              Event[]
 }
 
 model Gallery {
@@ -210,3 +217,49 @@ model InstagramFeedCache {
 
   listing    Listing  @relation(fields: [listingId], references: [id], onDelete: Cascade)
 }
+
+model ListingAnalyticsDaily {
+  id             String   @id @default(cuid())
+  listingId      String
+  date           DateTime
+  views          Int      @default(0)
+  whatsappClicks Int      @default(0)
+  phoneClicks    Int      @default(0)
+  menuClicks     Int      @default(0)
+
+  listing        Listing  @relation(fields: [listingId], references: [id], onDelete: Cascade)
+
+  @@unique([listingId, date])
+}
+
+model Event {
+  id            String    @id @default(cuid())
+  slug          String    @unique
+  listingId     String?
+  titleTr       String
+  titleEn       String
+  titleRu       String
+  descriptionTr String    @db.Text
+  descriptionEn String    @db.Text
+  descriptionRu String    @db.Text
+  startDate     DateTime
+  endDate       DateTime?
+  coverImage    String?   // Openinary
+  isSponsored   Boolean   @default(false)
+
+  listing       Listing?  @relation(fields: [listingId], references: [id])
+
+  createdAt     DateTime  @default(now())
+  updatedAt     DateTime  @updatedAt
+  deletedAt     DateTime?
+}
+
+model GeneratedItinerary {
+  id          String   @id @default(cuid())
+  paramsHash  String   @unique
+  params      Json     // budget, groupType, interests, days
+  content     String   @db.Text
+  listingIds  String[]
+
+  createdAt   DateTime @default(now())
+}