feat: Implement Phase 2 features including blog, collections, saved listings, manifest, and api cron sync

prisma/schema.prisma

@@ -53,9 +53,10 @@ model Session {
 }
 
 model VerificationToken {
-  identifier String
-  token      String   @unique
-  expires    DateTime
+  id_dummy     String   @id @default(cuid()) // Dummy ID to avoid next-auth adapter issue
+  identifier   String
+  token        String   @unique
+  expires      DateTime
 
   @@unique([identifier, token])
 }
@@ -118,6 +119,13 @@ model Listing {
 
   category        Category     @relation(fields: [categoryId], references: [id])
   neighborhood    Neighborhood @relation(fields: [neighborhoodId], references: [id])
+
+  // Phase 2 Fields
+  menuUrl         String?
+  isFeatured      Boolean      @default(false)
+  featuredUntil   DateTime?
+  collections     Collection[] @relation("CollectionListings")
+  instagramFeed   InstagramFeedCache?
 }
 
 model Gallery {
@@ -156,3 +164,49 @@ model ContactMessage {
   createdAt DateTime @default(now())
   updatedAt DateTime @updatedAt
 }
+
+model BlogPost {
+  id            String    @id @default(cuid())
+  slug          String    @unique
+  titleTr       String
+  titleEn       String
+  titleRu       String
+  contentTr     String    @db.Text
+  contentEn     String    @db.Text
+  contentRu     String    @db.Text
+  coverImage    String?
+  tags          String[]
+  relatedListingIds String[]
+
+  publishedAt   DateTime?
+  createdAt     DateTime  @default(now())
+  updatedAt     DateTime  @updatedAt
+  deletedAt     DateTime?
+}
+
+model Collection {
+  id           String    @id @default(cuid())
+  slug         String    @unique
+  titleTr      String
+  titleEn      String
+  titleRu      String
+  descriptionTr String   @db.Text
+  descriptionEn String   @db.Text
+  descriptionRu String   @db.Text
+  coverImage   String?
+
+  listings     Listing[] @relation("CollectionListings")
+
+  createdAt    DateTime  @default(now())
+  updatedAt    DateTime  @updatedAt
+}
+
+model InstagramFeedCache {
+  id         String   @id @default(cuid())
+  listingId  String   @unique
+  handle     String
+  posts      Json     // [{ imageUrl, caption, permalink, postedAt }]
+  fetchedAt  DateTime @default(now())
+
+  listing    Listing  @relation(fields: [listingId], references: [id], onDelete: Cascade)
+}