diff --git a/src/main/kotlin/com/project/movienight/application/ports/output/FilmLibraryRepositoryPort.kt b/src/main/kotlin/com/project/movienight/application/ports/output/FilmLibraryRepositoryPort.kt
index a3eb9c9..933f45c 100644
--- a/src/main/kotlin/com/project/movienight/application/ports/output/FilmLibraryRepositoryPort.kt
+++ b/src/main/kotlin/com/project/movienight/application/ports/output/FilmLibraryRepositoryPort.kt
@@ -8,6 +8,11 @@ interface FilmLibraryRepositoryPort {
 
     fun findById(id: UUID): FilmLibrary?
 
+    fun findByUserIdAndFilmId(
+        userId: UUID,
+        filmId: UUID,
+    ): FilmLibrary?
+
     fun findAll(): List<FilmLibrary>
 
     fun deleteById(id: UUID)
diff --git a/src/main/kotlin/com/project/movienight/application/ports/output/FilmRatingRepositoryPort.kt b/src/main/kotlin/com/project/movienight/application/ports/output/FilmRatingRepositoryPort.kt
new file mode 100644
index 0000000..908e5ff
--- /dev/null
+++ b/src/main/kotlin/com/project/movienight/application/ports/output/FilmRatingRepositoryPort.kt
@@ -0,0 +1,15 @@
+package com.project.movienight.application.ports.output
+
+import com.project.movienight.domain.model.FilmRating
+import java.util.UUID
+
+interface FilmRatingRepositoryPort {
+    fun save(rating: FilmRating): FilmRating
+
+    fun findByUserId(userId: UUID): List<FilmRating>
+
+    fun findByUserIdAndFilmId(
+        userId: UUID,
+        filmId: UUID,
+    ): FilmRating?
+}
diff --git a/src/main/kotlin/com/project/movienight/application/ports/output/FilmRepositoryPort.kt b/src/main/kotlin/com/project/movienight/application/ports/output/FilmRepositoryPort.kt
index c0d3938..d18b2e6 100644
--- a/src/main/kotlin/com/project/movienight/application/ports/output/FilmRepositoryPort.kt
+++ b/src/main/kotlin/com/project/movienight/application/ports/output/FilmRepositoryPort.kt
@@ -8,6 +8,10 @@ interface FilmRepositoryPort {
 
     fun findById(id: UUID): Film?
 
+    fun findByJellyfinItemId(jellyfinItemId: String): Film?
+
+    fun findByJellyfinLibraryId(jellyfinLibraryId: String): Film?
+
     fun findAll(): List<Film>
 
     fun findByTitle(title: String): Film?
diff --git a/src/main/kotlin/com/project/movienight/application/ports/output/JellyfinSyncStateRepositoryPort.kt b/src/main/kotlin/com/project/movienight/application/ports/output/JellyfinSyncStateRepositoryPort.kt
new file mode 100644
index 0000000..78d75b5
--- /dev/null
+++ b/src/main/kotlin/com/project/movienight/application/ports/output/JellyfinSyncStateRepositoryPort.kt
@@ -0,0 +1,12 @@
+package com.project.movienight.application.ports.output
+
+import com.project.movienight.domain.model.JellyfinSyncState
+import java.util.UUID
+
+interface JellyfinSyncStateRepositoryPort {
+    fun save(state: JellyfinSyncState): JellyfinSyncState
+
+    fun findByUserId(userId: UUID): JellyfinSyncState?
+
+    fun findAll(): List<JellyfinSyncState>
+}
diff --git a/src/main/kotlin/com/project/movienight/application/ports/output/UserPreferencesRepositoryPort.kt b/src/main/kotlin/com/project/movienight/application/ports/output/UserPreferencesRepositoryPort.kt
new file mode 100644
index 0000000..0d110b5
--- /dev/null
+++ b/src/main/kotlin/com/project/movienight/application/ports/output/UserPreferencesRepositoryPort.kt
@@ -0,0 +1,10 @@
+package com.project.movienight.application.ports.output
+
+import com.project.movienight.domain.model.UserPreferences
+import java.util.UUID
+
+interface UserPreferencesRepositoryPort {
+    fun save(preferences: UserPreferences): UserPreferences
+
+    fun findByUserId(userId: UUID): UserPreferences?
+}