diff --git a/src/main/kotlin/com/project/movienight/domain/model/Film.kt b/src/main/kotlin/com/project/movienight/domain/model/Film.kt
index 32122de..76f2657 100644
--- a/src/main/kotlin/com/project/movienight/domain/model/Film.kt
+++ b/src/main/kotlin/com/project/movienight/domain/model/Film.kt
@@ -6,4 +6,21 @@ data class Film(
     val id: UUID,
     val title: String,
     val description: String,
+    val contentType: ContentType = ContentType.FILM,
+    val releaseYear: Int? = null,
+    val genres: List<String> = emptyList(),
+    val cast: List<String> = emptyList(),
+    val directors: List<String> = emptyList(),
+    val imdbRating: Double? = null,
+    val platformRating: Double? = null,
+    val externalUrl: String? = null,
+    val jellyfinItemId: String? = null,
+    val jellyfinLibraryId: String? = null,
 )
+
+enum class ContentType {
+    FILM,
+    SERIES,
+    EPISODE,
+    OTHER,
+}
diff --git a/src/main/kotlin/com/project/movienight/domain/model/FilmLibrary.kt b/src/main/kotlin/com/project/movienight/domain/model/FilmLibrary.kt
index 868f57a..8d7861c 100644
--- a/src/main/kotlin/com/project/movienight/domain/model/FilmLibrary.kt
+++ b/src/main/kotlin/com/project/movienight/domain/model/FilmLibrary.kt
@@ -1,5 +1,6 @@
 package com.project.movienight.domain.model
 
+import java.time.LocalDateTime
 import java.util.UUID
 
 data class FilmLibrary(
@@ -8,4 +9,5 @@ data class FilmLibrary(
     val filmId: UUID,
     val comment: String?,
     val isViewed: Boolean,
+    val watchedAt: LocalDateTime? = null,
 )
diff --git a/src/main/kotlin/com/project/movienight/domain/model/FilmRating.kt b/src/main/kotlin/com/project/movienight/domain/model/FilmRating.kt
new file mode 100644
index 0000000..380060d
--- /dev/null
+++ b/src/main/kotlin/com/project/movienight/domain/model/FilmRating.kt
@@ -0,0 +1,14 @@
+package com.project.movienight.domain.model
+
+import java.time.LocalDateTime
+import java.util.UUID
+
+data class FilmRating(
+    val id: UUID,
+    val userId: UUID,
+    val filmId: UUID,
+    val score: Int,
+    val note: String? = null,
+    val createdAt: LocalDateTime = LocalDateTime.now(),
+    val updatedAt: LocalDateTime = createdAt,
+)
diff --git a/src/main/kotlin/com/project/movienight/domain/model/JellyfinSyncState.kt b/src/main/kotlin/com/project/movienight/domain/model/JellyfinSyncState.kt
new file mode 100644
index 0000000..d2395fa
--- /dev/null
+++ b/src/main/kotlin/com/project/movienight/domain/model/JellyfinSyncState.kt
@@ -0,0 +1,19 @@
+package com.project.movienight.domain.model
+
+import java.time.LocalDateTime
+import java.util.UUID
+
+data class JellyfinSyncState(
+    val userId: UUID,
+    val lastSyncedAt: LocalDateTime? = null,
+    val lastSuccessfulSyncAt: LocalDateTime? = null,
+    val lastError: String? = null,
+    val syncedItemCount: Int = 0,
+)
+
+data class JellyfinSyncSummary(
+    val syncedUsers: Int,
+    val skippedUsers: Int,
+    val syncedItems: Int,
+    val durationMs: Long,
+)
diff --git a/src/main/kotlin/com/project/movienight/domain/model/RecommendationContext.kt b/src/main/kotlin/com/project/movienight/domain/model/RecommendationContext.kt
new file mode 100644
index 0000000..1049513
--- /dev/null
+++ b/src/main/kotlin/com/project/movienight/domain/model/RecommendationContext.kt
@@ -0,0 +1,16 @@
+package com.project.movienight.domain.model
+
+import java.util.UUID
+
+data class RecommendationContext(
+    val userId: UUID,
+    val contentType: ContentType? = null,
+    val mood: String? = null,
+    val limit: Int = 10,
+)
+
+data class RecommendationResult(
+    val film: Film,
+    val score: Double,
+    val reasons: List<String>,
+)
diff --git a/src/main/kotlin/com/project/movienight/domain/model/User.kt b/src/main/kotlin/com/project/movienight/domain/model/User.kt
index b4f2d9b..236a698 100644
--- a/src/main/kotlin/com/project/movienight/domain/model/User.kt
+++ b/src/main/kotlin/com/project/movienight/domain/model/User.kt
@@ -7,4 +7,6 @@ data class User(
     val name: String,
     val email: String,
     val library: FilmLibrary?,
+    val preferences: UserPreferences? = null,
+    val jellyfinUserId: String? = null,
 )
diff --git a/src/main/kotlin/com/project/movienight/domain/model/UserPreferences.kt b/src/main/kotlin/com/project/movienight/domain/model/UserPreferences.kt
new file mode 100644
index 0000000..451e227
--- /dev/null
+++ b/src/main/kotlin/com/project/movienight/domain/model/UserPreferences.kt
@@ -0,0 +1,13 @@
+package com.project.movienight.domain.model
+
+import java.util.UUID
+
+data class UserPreferences(
+    val userId: UUID,
+    val weightedGenres: Map<String, Int> = emptyMap(),
+    val plotTypes: List<String> = emptyList(),
+    val eras: List<String> = emptyList(),
+    val castAndDirectors: List<String> = emptyList(),
+    val moods: List<String> = emptyList(),
+    val contentTypes: List<ContentType> = emptyList(),
+)