diff --git a/app/src/main/java/come/stormborntales/notevault/data/local/AppDatabase.kt b/app/src/main/java/come/stormborntales/notevault/data/local/AppDatabase.kt
index abdda36..6ee3254 100644
--- a/app/src/main/java/come/stormborntales/notevault/data/local/AppDatabase.kt
+++ b/app/src/main/java/come/stormborntales/notevault/data/local/AppDatabase.kt
@@ -8,8 +8,9 @@ import androidx.room.RoomDatabase
 import androidx.room.TypeConverters
 import come.stormborntales.notevault.data.local.dao.NoteDao
 import come.stormborntales.notevault.data.local.entity.NoteEntity
+import come.stormborntales.notevault.data.local.entity.SyncTime
 
-@Database(entities = [NoteEntity::class], version = 1)
+@Database(entities = [NoteEntity::class, SyncTime::class], version = 1)
 @TypeConverters(UriListConverter::class)
 abstract class AppDatabase : RoomDatabase() {
     abstract fun noteDao(): NoteDao
diff --git a/app/src/main/java/come/stormborntales/notevault/data/local/entity/NoteEntity.kt b/app/src/main/java/come/stormborntales/notevault/data/local/entity/NoteEntity.kt
index 9be2a13..095c3f2 100644
--- a/app/src/main/java/come/stormborntales/notevault/data/local/entity/NoteEntity.kt
+++ b/app/src/main/java/come/stormborntales/notevault/data/local/entity/NoteEntity.kt
@@ -3,6 +3,11 @@ package come.stormborntales.notevault.data.local.entity
 import androidx.room.Entity
 import androidx.room.PrimaryKey
 
+enum class SyncStatus {
+    PENDING,  // Lokale Änderungen warten auf Synchronisation
+    SYNCHRONIZED,  // Der Eintrag wurde mit dem Server synchronisiert
+    DELETED  // Der Eintrag wurde lokal gelöscht und wartet auf Serverabgleich
+}
 @Entity(tableName = "notes")
 data class NoteEntity(
     @PrimaryKey(autoGenerate = true) val id: Int = 0,
@@ -12,5 +17,10 @@ data class NoteEntity(
     var year: Int?,
     var genre: String?,
     var description: String?,
-    val imagePreview: String
+    val imagePreview: String,
+
+    val remoteId: String? = null,
+    val localModificationTimestamp: Long = System.currentTimeMillis(),  // Zeitstempel der letzten lokalen Änderung
+    val syncStatus: SyncStatus = SyncStatus.PENDING  // Status der Synchronisation
+
 )
diff --git a/app/src/main/java/come/stormborntales/notevault/data/local/entity/SyncTime.kt b/app/src/main/java/come/stormborntales/notevault/data/local/entity/SyncTime.kt
new file mode 100644
index 0000000..8de61ed
--- /dev/null
+++ b/app/src/main/java/come/stormborntales/notevault/data/local/entity/SyncTime.kt
@@ -0,0 +1,8 @@
+package come.stormborntales.notevault.data.local.entity
+
+import androidx.room.PrimaryKey
+
+data class SyncTime(
+    @PrimaryKey val id: Long = 1,  // Einziger Eintrag für das Gerät
+    val lastSyncTimestamp: Long = System.currentTimeMillis()  // Zeitstempel des letzten Syncsy
+)