feat: 인기 게시물 필드 추가 (데이터 레이어)

- HotDeal 도메인 모델에 isPopular 필드 추가
- HotDealEntity에 isPopular 컬럼 추가
- Migration 4->5 추가 (isPopular 컬럼)
- DatabaseModule에 Migration 4_5 등록

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

app/src/main/java/com/hotdeal/alarm/data/local/db/AppDatabase.kt

@@ -21,7 +21,7 @@ import com.hotdeal.alarm.data.local.db.entity.SiteConfigEntity
         SiteConfigEntity::class,
         KeywordEntity::class
     ],
- version = 4,
+ version = 5,
     exportSchema = false
 )
 @TypeConverters(Converters::class)
@@ -61,5 +61,14 @@ abstract class AppDatabase : RoomDatabase() {
  db.execSQL("ALTER TABLE hot_deals ADD COLUMN isFavorite INTEGER NOT NULL DEFAULT 0")
  }
  }
+
+ /**
+ * Migration 4 -> 5: 인기 게시물 필드 추가
+ */
+ val MIGRATION_4_5 = object : Migration(4, 5) {
+ override fun migrate(db: SupportSQLiteDatabase) {
+ db.execSQL("ALTER TABLE hot_deals ADD COLUMN isPopular INTEGER NOT NULL DEFAULT 0")
+ }
+ }
  }
 }

app/src/main/java/com/hotdeal/alarm/data/local/db/entity/HotDealEntity.kt

@@ -26,6 +26,19 @@ data class HotDealEntity(
  val createdAt: Long,
  val isNotified: Boolean = false,
  val isKeywordMatch: Boolean = false,
+ val isFavorite: Boolean = false, // 즐겨찾기 여부
+ val isPopular: Boolean = false // 인기/핫 게시물 여부
+) {
+    @PrimaryKey
+    val id: String,
+    val siteName: String,
+    val boardName: String,
+    val title: String,
+    val url: String,
+    val mallUrl: String?,
+ val createdAt: Long,
+ val isNotified: Boolean = false,
+ val isKeywordMatch: Boolean = false,
  val isFavorite: Boolean = false // 즐겨찾기 여부
 ) {
     /**
@@ -42,6 +55,20 @@ data class HotDealEntity(
  createdAt = createdAt,
  isNotified = isNotified,
  isKeywordMatch = isKeywordMatch,
+ isFavorite = isFavorite,
+ isPopular = isPopular
+ )
+ }
+        return HotDeal(
+            id = id,
+            siteName = siteName,
+            boardName = boardName,
+            title = title,
+            url = url,
+            mallUrl = mallUrl,
+            createdAt = createdAt,
+ isNotified = isNotified,
+ isKeywordMatch = isKeywordMatch,
  isFavorite = isFavorite
         )
     }
@@ -61,6 +88,20 @@ data class HotDealEntity(
  createdAt = domain.createdAt,
  isNotified = domain.isNotified,
  isKeywordMatch = domain.isKeywordMatch,
+ isFavorite = domain.isFavorite,
+ isPopular = domain.isPopular
+ )
+ }
+            return HotDealEntity(
+                id = domain.id,
+                siteName = domain.siteName,
+                boardName = domain.boardName,
+                title = domain.title,
+                url = domain.url,
+                mallUrl = domain.mallUrl,
+                createdAt = domain.createdAt,
+ isNotified = domain.isNotified,
+ isKeywordMatch = domain.isKeywordMatch,
  isFavorite = domain.isFavorite
             )
         }

app/src/main/java/com/hotdeal/alarm/di/DatabaseModule.kt

@@ -34,6 +34,11 @@ object DatabaseModule {
  .addMigrations(
  AppDatabase.MIGRATION_1_2,
  AppDatabase.MIGRATION_2_3,
+ AppDatabase.MIGRATION_3_4,
+ AppDatabase.MIGRATION_4_5
+ )
+ AppDatabase.MIGRATION_1_2,
+ AppDatabase.MIGRATION_2_3,
  AppDatabase.MIGRATION_3_4
  )
             .fallbackToDestructiveMigration()

app/src/main/java/com/hotdeal/alarm/domain/model/HotDeal.kt

@@ -13,6 +13,18 @@ data class HotDeal(
  val createdAt: Long, // 수집 시간 (timestamp)
  val isNotified: Boolean = false,
  val isKeywordMatch: Boolean = false,
+ val isFavorite: Boolean = false, // 즐겨찾기 여부
+ val isPopular: Boolean = false // 인기/핫 게시물 여부
+) {
+    val id: String,              // siteName + "_" + postId
+    val siteName: String,        // ppomppu, clien, ruriweb, coolenjoy, quasarzone
+    val boardName: String,       // ppomppu, ppomppu4, allsell, jirum, etc.
+    val title: String,           // 게시글 제목
+    val url: String,             // 게시글 URL
+    val mallUrl: String? = null, // 쇼핑몰 URL (추출된 경우)
+ val createdAt: Long, // 수집 시간 (timestamp)
+ val isNotified: Boolean = false,
+ val isKeywordMatch: Boolean = false,
  val isFavorite: Boolean = false // 즐겨찾기 여부
 ) {
     /**