Fix keyword alarm and add visual indicators

- Fix: Only keyword-matched deals send notifications
- Add: Visual indicator for keyword-matched deals (badge + border)
- Add: Polling interval setting with persistence
- Add: Version check in settings
- Add: Update dialog on app start

app/src/main/java/com/hotdeal/alarm/data/local/preferences/AppSettings.kt

@@ -0,0 +1,40 @@
+package com.hotdeal.alarm.data.local.preferences
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.intPreferencesKey
+import androidx.datastore.preferences.preferencesDataStore
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+
+/**
+ * 앱 설정 저장 (DataStore)
+ */
+class AppSettings(private val context: Context) {
+    
+    private val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "app_settings")
+    
+    companion object {
+        private val POLLING_INTERVAL_KEY = intPreferencesKey("polling_interval_minutes")
+        private const val DEFAULT_INTERVAL = 2
+    }
+    
+    /**
+     * 폴� 주기 (분)
+     */
+    val pollingInterval: Flow<Int> = context.dataStore.data
+        .map { preferences ->
+            preferences[POLLING_INTERVAL_KEY] ?: DEFAULT_INTERVAL
+        }
+    
+    /**
+     * 폴� 주기 설정 저장
+     */
+    suspend fun setPollingInterval(minutes: Int) {
+        context.dataStore.edit { preferences ->
+            preferences[POLLING_INTERVAL_KEY] = minutes
+        }
+    }
+}

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

@@ -6,6 +6,7 @@ import com.hotdeal.alarm.data.local.db.AppDatabase
 import com.hotdeal.alarm.data.local.db.dao.HotDealDao
 import com.hotdeal.alarm.data.local.db.dao.KeywordDao
 import com.hotdeal.alarm.data.local.db.dao.SiteConfigDao
+import com.hotdeal.alarm.data.local.preferences.AppSettings
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -52,4 +53,12 @@ object DatabaseModule {
     fun provideKeywordDao(database: AppDatabase): KeywordDao {
         return database.keywordDao()
     }
+    
+    @Provides
+    @Singleton
+    fun provideAppSettings(
+        @ApplicationContext context: Context
+    ): AppSettings {
+        return AppSettings(context)
+    }
 }

app/src/main/java/com/hotdeal/alarm/presentation/components/DealItem.kt

@@ -2,6 +2,7 @@ package com.hotdeal.alarm.presentation.components
 
 import androidx.compose.animation.core.*
 import androidx.compose.foundation.background
+import androidx.compose.foundation.border
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.CircleShape
@@ -9,14 +10,16 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Favorite
 import androidx.compose.material.icons.filled.FavoriteBorder
+import androidx.compose.material.icons.filled.NotificationsActive
 import androidx.compose.material.icons.filled.Share
-import androidx.compose.material.icons.filled.Star
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.scale
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import com.hotdeal.alarm.domain.model.HotDeal
@@ -24,7 +27,6 @@ import com.hotdeal.alarm.ui.theme.Spacing
 import com.hotdeal.alarm.ui.theme.getSiteColor
 import com.hotdeal.alarm.util.ShareHelper
 
-@OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun DealItem(
     deal: HotDeal,
@@ -45,10 +47,34 @@ fun DealItem(
     
     val siteColor = getSiteColor(deal.siteType)
     
+    // 키워드 매칭된 핫딜은 다른 색상으로 강조
+    val cardColor = if (deal.isKeywordMatch) {
+        MaterialTheme.colorScheme.primaryContainer.copy(alpha = 0.3f)
+    } else {
+        MaterialTheme.colorScheme.surface
+    }
+    
+    val borderColor = if (deal.isKeywordMatch) {
+        MaterialTheme.colorScheme.primary.copy(alpha = 0.5f)
+    } else {
+        Color.Transparent
+    }
+    
+    val cardModifier = if (deal.isKeywordMatch) {
+        modifier
+            .fillMaxWidth()
+            .border(2.dp, borderColor, MaterialTheme.shapes.large)
+    } else {
+        modifier.fillMaxWidth()
+    }
+    
     ElevatedCard(
-        modifier = modifier.fillMaxWidth(),
+        modifier = cardModifier,
         shape = MaterialTheme.shapes.large,
-        elevation = CardDefaults.elevatedCardElevation(defaultElevation = 2.dp),
+        colors = CardDefaults.elevatedCardColors(containerColor = cardColor),
+        elevation = CardDefaults.elevatedCardElevation(
+            defaultElevation = if (deal.isKeywordMatch) 4.dp else 2.dp
+        ),
         onClick = onClick
     ) {
         Column(
@@ -88,25 +114,43 @@ fun DealItem(
                 
                 Spacer(modifier = Modifier.width(Spacing.sm))
                 
-                // 게시판 이름 (ppomppu8 → 알리뽐뿌)
+                // 게시판 이름
                 Text(
                     text = deal.boardDisplayName,
                     style = MaterialTheme.typography.labelSmall,
                     color = MaterialTheme.colorScheme.onSurfaceVariant
                 )
                 
-                if (deal.isKeywordMatch) {
-                    Spacer(modifier = Modifier.width(Spacing.xs))
-                    Icon(
-                        imageVector = Icons.Default.Star,
-                        contentDescription = "키워드 매칭",
-                        tint = MaterialTheme.colorScheme.primary,
-                        modifier = Modifier.size(16.dp)
-                    )
-                }
-                
                 Spacer(modifier = Modifier.weight(1f))
                 
+                // 키워드 매칭 배지 (있을 때만)
+                if (deal.isKeywordMatch) {
+                    Surface(
+                        shape = RoundedCornerShape(12.dp),
+                        color = MaterialTheme.colorScheme.primary,
+                        modifier = Modifier.height(26.dp)
+                    ) {
+                        Row(
+                            verticalAlignment = Alignment.CenterVertically,
+                            horizontalArrangement = Arrangement.spacedBy(4.dp),
+                            modifier = Modifier.padding(horizontal = 8.dp, vertical = 4.dp)
+                        ) {
+                            Icon(
+                                imageVector = Icons.Default.NotificationsActive,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.onPrimary,
+                                modifier = Modifier.size(14.dp)
+                            )
+                            Text(
+                                text = "키워드 매칭",
+                                style = MaterialTheme.typography.labelSmall,
+                                color = MaterialTheme.colorScheme.onPrimary
+                            )
+                        }
+                    }
+                    Spacer(modifier = Modifier.width(Spacing.xs))
+                }
+                
                 // 공유 버튼
                 IconButton(
                     onClick = { ShareHelper.shareDeal(context, deal) },
@@ -139,10 +183,14 @@ fun DealItem(
             
             Spacer(modifier = Modifier.height(Spacing.sm))
             
-            // 제목
+            // 제목 (키워드 매칭 시 굵게)
             Text(
                 text = deal.title,
-                style = MaterialTheme.typography.bodyLarge,
+                style = if (deal.isKeywordMatch) {
+                    MaterialTheme.typography.bodyLarge.copy(fontWeight = FontWeight.Bold)
+                } else {
+                    MaterialTheme.typography.bodyLarge
+                },
                 maxLines = 2,
                 overflow = TextOverflow.Ellipsis,
                 color = MaterialTheme.colorScheme.onSurface

app/src/main/java/com/hotdeal/alarm/presentation/main/MainViewModel.kt

@@ -6,6 +6,7 @@ import com.hotdeal.alarm.data.local.db.dao.HotDealDao
 import com.hotdeal.alarm.data.local.db.dao.KeywordDao
 import com.hotdeal.alarm.data.local.db.dao.SiteConfigDao
 import com.hotdeal.alarm.data.local.db.entity.SiteConfigEntity
+import com.hotdeal.alarm.data.local.preferences.AppSettings
 import com.hotdeal.alarm.domain.model.SiteType
 import com.hotdeal.alarm.worker.WorkerScheduler
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -18,12 +19,17 @@ class MainViewModel @Inject constructor(
     private val hotDealDao: HotDealDao,
     private val siteConfigDao: SiteConfigDao,
     private val keywordDao: KeywordDao,
-    private val workerScheduler: WorkerScheduler
+    private val workerScheduler: WorkerScheduler,
+    private val appSettings: AppSettings
 ) : ViewModel() {
     
     private val _uiState = MutableStateFlow<MainUiState>(MainUiState.Loading)
     val uiState: StateFlow<MainUiState> = _uiState.asStateFlow()
     
+    // 폴� 주기
+    val pollingInterval: StateFlow<Int> = appSettings.pollingInterval
+        .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), 2)
+    
     init {
         initializeApp()
     }
@@ -32,6 +38,9 @@ class MainViewModel @Inject constructor(
         viewModelScope.launch {
             initializeDefaultSiteConfigs()
             loadState()
+            // 저장된 폴� 주기로 시작
+            val savedInterval = appSettings.pollingInterval.first()
+            startPolling(savedInterval.toLong())
         }
     }
     
@@ -105,8 +114,14 @@ class MainViewModel @Inject constructor(
         workerScheduler.executeOnce()
     }
     
+    /**
+     * 폴� 시작 (주기 저장)
+     */
     fun startPolling(intervalMinutes: Long = WorkerScheduler.DEFAULT_INTERVAL_MINUTES) {
-        workerScheduler.schedulePeriodicPolling(intervalMinutes)
+        viewModelScope.launch {
+            appSettings.setPollingInterval(intervalMinutes.toInt())
+            workerScheduler.schedulePeriodicPolling(intervalMinutes)
+        }
     }
     
     fun stopPolling() {

app/src/main/java/com/hotdeal/alarm/presentation/settings/SettingsScreen.kt

@@ -26,7 +26,6 @@ import com.hotdeal.alarm.presentation.main.MainUiState
 import com.hotdeal.alarm.presentation.main.MainViewModel
 import com.hotdeal.alarm.util.PermissionHelper
 import com.hotdeal.alarm.util.VersionManager
-import com.hotdeal.alarm.worker.WorkerScheduler
 import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -35,6 +34,7 @@ fun SettingsScreen(viewModel: MainViewModel) {
     val context = LocalContext.current
     val uiState by viewModel.uiState.collectAsStateWithLifecycle()
     val scope = rememberCoroutineScope()
+    val currentPollingInterval by viewModel.pollingInterval.collectAsState()
 
     var showPermissionDialog by remember { mutableStateOf(false) }
     var permissionDialogTitle by remember { mutableStateOf("") }
@@ -47,28 +47,23 @@ fun SettingsScreen(viewModel: MainViewModel) {
         if (!isGranted) {
             permissionDialogTitle = "알림 권한 필요"
             permissionDialogMessage = "핫딜 알림을 받으려면 알림 권한이 필요합니다."
-            permissionDialogAction = {
-                PermissionHelper.openNotificationSettings(context)
-            }
+            permissionDialogAction = { PermissionHelper.openNotificationSettings(context) }
             showPermissionDialog = true
         }
     }
 
     val permissionStatus = PermissionHelper.checkAllPermissions(context)
-    val hasEnabledSites = (uiState as? MainUiState.Success)
-        ?.siteConfigs?.any { it.isEnabled } ?: false
+    val hasEnabledSites = (uiState as? MainUiState.Success)?.siteConfigs?.any { it.isEnabled } ?: false
 
     LazyColumn(
-        modifier = Modifier
-            .fillMaxSize()
-            .padding(16.dp),
+        modifier = Modifier.fillMaxSize().padding(16.dp),
         verticalArrangement = Arrangement.spacedBy(16.dp)
     ) {
         item {
-            PermissionStatusSection(
+            PermissionCard(
                 permissionStatus = permissionStatus,
                 hasEnabledSites = hasEnabledSites,
-                onRequestNotificationPermission = {
+                onRequestPermission = {
                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
                         notificationPermissionLauncher.launch(Manifest.permission.POST_NOTIFICATIONS)
                     }
@@ -77,29 +72,26 @@ fun SettingsScreen(viewModel: MainViewModel) {
         }
 
         item {
-            PollingIntervalSection(
-                currentInterval = 2,
+            PollingIntervalCard(
+                currentInterval = currentPollingInterval,
                 onIntervalChange = { minutes ->
                     viewModel.stopPolling()
                     viewModel.startPolling(minutes)
+                    Toast.makeText(context, "${minutes}분으로 변경됨", Toast.LENGTH_SHORT).show()
                 }
             )
         }
 
-        item {
-            Text("사이트 선택", style = MaterialTheme.typography.titleMedium)
-        }
+        item { Text("사이트 선택", style = MaterialTheme.typography.titleMedium) }
 
         when (val state = uiState) {
             is MainUiState.Success -> {
                 SiteType.entries.forEach { site ->
                     item {
-                        SiteSection(
+                        SiteCard(
                             siteType = site,
                             configs = state.siteConfigs.filter { it.siteName == site.name },
-                            onToggle = { key, enabled ->
-                                viewModel.toggleSiteConfig(key, enabled)
-                            }
+                            onToggle = { key, enabled -> viewModel.toggleSiteConfig(key, enabled) }
                         )
                     }
                 }
@@ -111,10 +103,7 @@ fun SettingsScreen(viewModel: MainViewModel) {
 
                 item {
                     var keywordText by remember { mutableStateOf("") }
-                    Row(
-                        modifier = Modifier.fillMaxWidth(),
-                        verticalAlignment = Alignment.CenterVertically
-                    ) {
+                    Row(verticalAlignment = Alignment.CenterVertically) {
                         OutlinedTextField(
                             value = keywordText,
                             onValueChange = { keywordText = it },
@@ -144,16 +133,14 @@ fun SettingsScreen(viewModel: MainViewModel) {
                     )
                 }
 
-                // 버전 정보 섹션
                 item {
                     Spacer(modifier = Modifier.height(24.dp))
-                    VersionSection(
+                    VersionCard(
                         currentVersion = VersionManager.getCurrentVersion(context),
                         onCheckUpdate = {
                             scope.launch {
                                 val currentCode = VersionManager.getCurrentVersionCode(context)
                                 val remoteInfo = VersionManager.checkForUpdate()
-                                
                                 if (remoteInfo != null && VersionManager.isUpdateAvailable(currentCode, remoteInfo.versionCode)) {
                                     Toast.makeText(context, "새 버전 ${remoteInfo.version} 사용 가능", Toast.LENGTH_LONG).show()
                                 } else {
@@ -164,9 +151,7 @@ fun SettingsScreen(viewModel: MainViewModel) {
                     )
                 }
             }
-            else -> {
-                item { CircularProgressIndicator() }
-            }
+            else -> { item { CircularProgressIndicator() } }
         }
     }
 
@@ -181,33 +166,47 @@ fun SettingsScreen(viewModel: MainViewModel) {
 }
 
 @Composable
-fun VersionSection(currentVersion: String, onCheckUpdate: () -> Unit) {
+fun PermissionCard(
+    permissionStatus: PermissionHelper.PermissionStatus,
+    hasEnabledSites: Boolean,
+    onRequestPermission: () -> Unit
+) {
     Card(modifier = Modifier.fillMaxWidth()) {
         Column(modifier = Modifier.padding(16.dp)) {
-            Row(
-                modifier = Modifier.fillMaxWidth(),
-                horizontalArrangement = Arrangement.SpaceBetween,
-                verticalAlignment = Alignment.CenterVertically
-            ) {
-                Column {
-                    Text("앱 버전", style = MaterialTheme.typography.labelMedium)
-                    Text("v$currentVersion", style = MaterialTheme.typography.titleMedium)
-                }
-                Button(onClick = onCheckUpdate) {
-                    Text("업데이트 확인")
+            Text("알림 설정", style = MaterialTheme.typography.titleMedium, fontWeight = FontWeight.Bold)
+            Spacer(modifier = Modifier.height(8.dp))
+            Row(verticalAlignment = Alignment.CenterVertically) {
+                Icon(
+                    imageVector = if (permissionStatus.hasNotificationPermission) Icons.Default.Check else Icons.Default.Close,
+                    contentDescription = null,
+                    tint = if (permissionStatus.hasNotificationPermission) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.error
+                )
+                Spacer(modifier = Modifier.width(12.dp))
+                Text("알림 권한", modifier = Modifier.weight(1f))
+                if (!permissionStatus.hasNotificationPermission) {
+                    Button(onClick = onRequestPermission) { Text("설정") }
                 }
             }
+            Row(verticalAlignment = Alignment.CenterVertically) {
+                Icon(
+                    imageVector = if (hasEnabledSites) Icons.Default.Check else Icons.Default.Close,
+                    contentDescription = null,
+                    tint = if (hasEnabledSites) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.error
+                )
+                Spacer(modifier = Modifier.width(12.dp))
+                Text("사이트 선택")
+            }
         }
     }
 }
 
 @Composable
-fun PollingIntervalSection(currentInterval: Int, onIntervalChange: (Long) -> Unit) {
-    var selected by remember { mutableStateOf(currentInterval) }
+fun PollingIntervalCard(currentInterval: Int, onIntervalChange: (Long) -> Unit) {
+    var selected by remember(currentInterval) { mutableStateOf(currentInterval) }
     Card(modifier = Modifier.fillMaxWidth()) {
         Column(modifier = Modifier.padding(16.dp)) {
             Text("폴� 주기", style = MaterialTheme.typography.titleMedium)
-            Text("2분 권장 (배터리/데이터 절약)", style = MaterialTheme.typography.bodySmall)
+            Text("2분 권장", style = MaterialTheme.typography.bodySmall)
             Spacer(modifier = Modifier.height(8.dp))
             listOf(1, 2, 5, 10, 15, 30).forEach { minutes ->
                 Row(verticalAlignment = Alignment.CenterVertically) {
@@ -234,44 +233,7 @@ fun PollingIntervalSection(currentInterval: Int, onIntervalChange: (Long) -> Uni
 }
 
 @Composable
-fun PermissionStatusSection(
-    permissionStatus: PermissionHelper.PermissionStatus,
-    hasEnabledSites: Boolean,
-    onRequestNotificationPermission: () -> Unit
-) {
-    Card(modifier = Modifier.fillMaxWidth()) {
-        Column(modifier = Modifier.padding(16.dp)) {
-            Text("알림 설정", style = MaterialTheme.typography.titleMedium, fontWeight = FontWeight.Bold)
-            Spacer(modifier = Modifier.height(8.dp))
-            
-            Row(verticalAlignment = Alignment.CenterVertically) {
-                Icon(
-                    imageVector = if (permissionStatus.hasNotificationPermission) Icons.Default.Check else Icons.Default.Close,
-                    contentDescription = null,
-                    tint = if (permissionStatus.hasNotificationPermission) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.error
-                )
-                Spacer(modifier = Modifier.width(12.dp))
-                Text("알림 권한", modifier = Modifier.weight(1f))
-                if (!permissionStatus.hasNotificationPermission) {
-                    Button(onClick = onRequestNotificationPermission) { Text("설정") }
-                }
-            }
-            
-            Row(verticalAlignment = Alignment.CenterVertically) {
-                Icon(
-                    imageVector = if (hasEnabledSites) Icons.Default.Check else Icons.Default.Close,
-                    contentDescription = null,
-                    tint = if (hasEnabledSites) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.error
-                )
-                Spacer(modifier = Modifier.width(12.dp))
-                Text("사이트 선택", modifier = Modifier.weight(1f))
-            }
-        }
-    }
-}
-
-@Composable
-fun SiteSection(siteType: SiteType, configs: List<SiteConfig>, onToggle: (String, Boolean) -> Unit) {
+fun SiteCard(siteType: SiteType, configs: List<SiteConfig>, onToggle: (String, Boolean) -> Unit) {
     Card(modifier = Modifier.fillMaxWidth()) {
         Column(modifier = Modifier.padding(16.dp)) {
             Text(siteType.displayName, style = MaterialTheme.typography.titleSmall)
@@ -305,3 +267,22 @@ fun KeywordItem(keyword: Keyword, onToggle: () -> Unit, onDelete: () -> Unit) {
         }
     )
 }
+
+@Composable
+fun VersionCard(currentVersion: String, onCheckUpdate: () -> Unit) {
+    Card(modifier = Modifier.fillMaxWidth()) {
+        Column(modifier = Modifier.padding(16.dp)) {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                Column {
+                    Text("앱 버전", style = MaterialTheme.typography.labelMedium)
+                    Text("v$currentVersion", style = MaterialTheme.typography.titleMedium)
+                }
+                Button(onClick = onCheckUpdate) { Text("업데이트 확인") }
+            }
+        }
+    }
+}

app/src/main/java/com/hotdeal/alarm/worker/HotDealPollingWorker.kt

@@ -21,6 +21,8 @@ import kotlinx.coroutines.withContext
 
 /**
  * 핫딜 폴� Worker
+ * 
+ * 키워드 매칭된 핫딜만 알림 발송
  */
 @HiltWorker
 class HotDealPollingWorker @AssistedInject constructor(
@@ -47,20 +49,13 @@ class HotDealPollingWorker @AssistedInject constructor(
             Log.d(TAG, "활성화된 사이트 설정: ${enabledConfigs.size}개")
             
             if (enabledConfigs.isEmpty()) {
-                Log.w(TAG, "활성화된 사이트 설정이 없습니다. 폴�을 건�뜁니다.")
+                Log.w(TAG, "활성화된 사이트 설정이 없습니다.")
                 return@withContext Result.success()
             }
-            
-            enabledConfigs.forEach { config ->
-                Log.d(TAG, " - 사이트: ${config.siteName}, 게시판: ${config.boardName}")
-            }
 
             // 2. 활성화된 키워드 조회
             val keywords = keywordDao.getEnabledKeywords()
             Log.d(TAG, "활성화된 키워드: ${keywords.size}개")
-            keywords.forEach { kw ->
-                Log.d(TAG, " - 키워드: ${kw.keyword}")
-            }
 
             // 3. 각 사이트/게시판 스크래핑 (병렬)
             Log.d(TAG, "스크래핑 시작...")
@@ -74,11 +69,10 @@ class HotDealPollingWorker @AssistedInject constructor(
             
             if (allDeals.isEmpty()) {
                 Log.w(TAG, "스크래핑된 핫딜이 없습니다.")
-                // 스크래핑은 성공했지만 결과가 없는 경우도 success로 처리
                 return@withContext Result.success()
             }
 
-            // 4. 새로운 핫딜 필터링 (URL과 ID 모두로 중복 체크)
+            // 4. 새로운 핫딜 필터링
             val newDeals = filterNewDeals(allDeals)
             Log.d(TAG, "새로운 핫딜: ${newDeals.size}개")
 
@@ -87,15 +81,17 @@ class HotDealPollingWorker @AssistedInject constructor(
                 return@withContext Result.success()
             }
 
-            newDeals.take(5).forEach { deal ->
-                Log.d(TAG, " 새 핫딜: ${deal.title.take(50)}...")
+            // 5. 키워드 매칭 (키워드가 있을 때만)
+            val keywordMatchedDeals = if (keywords.isNotEmpty()) {
+                filterByKeywords(newDeals, keywords).also {
+                    Log.d(TAG, "키워드 매칭 핫딜: ${it.size}개")
+                }
+            } else {
+                Log.d(TAG, "키워드가 없어 매칭 체크를 건�뜁니다.")
+                emptyList()
             }
 
-            // 5. 키워드 매칭
-            val keywordMatchedDeals = filterByKeywords(newDeals, keywords)
-            Log.d(TAG, "키워드 매칭 핫딜: ${keywordMatchedDeals.size}개")
-
-            // 6. DB 저장 (개별 삽입으로 변경하여 충돌 처리 개선)
+            // 6. DB 저장
             var insertedCount = 0
             newDeals.forEach { deal ->
                 try {
@@ -103,19 +99,18 @@ class HotDealPollingWorker @AssistedInject constructor(
                     dealDao.insertDeal(entity)
                     insertedCount++
                 } catch (e: Exception) {
-                    Log.w(TAG, "핫딜 저장 실패 (무시됨): ${deal.id}, 오류: ${e.message}")
+                    Log.w(TAG, "핫딜 저장 실패 (무시됨): ${deal.id}")
                 }
             }
             Log.d(TAG, "DB 저장 완료: $insertedCount/${newDeals.size}개 저장됨")
 
-            // 7. 알림 발송
+            // 7. 키워드 매칭 알림 발송 (키워드 매칭된 것만!)
             if (keywordMatchedDeals.isNotEmpty()) {
-                Log.d(TAG, "키워드 매칭 알림 발송...")
+                Log.d(TAG, "키워드 매칭 알림 발송: ${keywordMatchedDeals.size}개")
                 notificationService.showKeywordMatchNotification(keywordMatchedDeals)
                 dealDao.markAsKeywordMatch(keywordMatchedDeals.map { it.id })
             } else {
-                Log.d(TAG, "새 핫딜 알림 발송...")
-                notificationService.showNewDealsNotification(newDeals.take(5))
+                Log.d(TAG, "키워드 매칭된 핫딜이 없어 알림을 발송하지 않습니다.")
             }
 
             // 8. 알림 발송 상태 업데이트
@@ -124,7 +119,6 @@ class HotDealPollingWorker @AssistedInject constructor(
             // 9. 오래된 데이터 정리 (7일 이상)
             val threshold = System.currentTimeMillis() - (7 * 24 * 60 * 60 * 1000L)
             dealDao.deleteOldDeals(threshold)
-            Log.d(TAG, "오래된 데이터 정리 완료")
 
             Log.d(TAG, "===== 핫딜 폴� 완료 =====")
             Result.success()
@@ -138,16 +132,10 @@ class HotDealPollingWorker @AssistedInject constructor(
         }
     }
     
-    /**
-     * 포그라운드 서비스 정보 (빈번한 폴�용)
-     */
     override suspend fun getForegroundInfo(): ForegroundInfo {
         return notificationService.createForegroundInfo()
     }
     
-    /**
-     * 사이트 스크래핑
-     */
     private suspend fun scrapeSite(config: SiteConfigEntity): List<HotDeal> {
         val scraper = scraperFactory.getScraper(config.siteName)
         if (scraper == null) {
@@ -161,7 +149,6 @@ class HotDealPollingWorker @AssistedInject constructor(
         result.fold(
             onSuccess = { deals ->
                 Log.d(TAG, " ${config.siteName}: ${deals.size}개 핫딜 파싱됨")
-                // 스크래핑 성공 시 lastScrapedAt 업데이트
                 try {
                     siteConfigDao.updateLastScrapedAt(config.siteBoardKey, System.currentTimeMillis())
                 } catch (e: Exception) {
@@ -176,17 +163,11 @@ class HotDealPollingWorker @AssistedInject constructor(
         return result.getOrElse { emptyList() }
     }
     
-    /**
-     * 새로운 핫딜 필터링
-     * URL과 ID 모두로 중복 체크
-     */
     private suspend fun filterNewDeals(deals: List<HotDeal>): List<HotDeal> {
         return deals.filter { deal ->
-            // URL로 먼저 체크
             val existingByUrl = dealDao.getDealByUrl(deal.url)
             if (existingByUrl != null) return@filter false
             
-            // ID로도 체크 (추가 안전장치)
             val existingById = dealDao.getDealById(deal.id)
             if (existingById != null) return@filter false
             
@@ -194,15 +175,10 @@ class HotDealPollingWorker @AssistedInject constructor(
         }
     }
     
-    /**
-     * 키워드 매칭 필터링
-     */
-    private suspend fun filterByKeywords(deals: List<HotDeal>, keywords: List<KeywordEntity>): List<HotDeal> {
-        if (keywords.isEmpty()) return emptyList()
-        
+    private fun filterByKeywords(deals: List<HotDeal>, keywords: List<KeywordEntity>): List<HotDeal> {
         return deals.filter { deal ->
             keywords.any { keyword ->
-                keyword.toDomain().matches(deal.title)
+                deal.title.contains(keyword.keyword, ignoreCase = true)
             }
         }
     }