feat: richer profile stats, wrapup min-count filter, watch medium distribution

- filter wrapup top directors/actors with count < 2
- add watch_medium to wrapup report + adapters
- profile trends: genre breakdown, rating histogram, watch medium dist
- fix unused StarDisplay import in movie detail

crates/domain/src/models/mod.rs

@@ -4,7 +4,7 @@ mod feed;
 mod movie;
 mod refresh_session;
 mod review;
-mod stats;
+pub mod stats;
 mod user;
 
 pub mod collections;
@@ -26,7 +26,7 @@ pub use federation::*;
 pub use feed::*;
 pub use movie::*;
 pub use review::*;
-pub use stats::*;
+pub use stats::{DirectorStat, MonthActivity, MonthlyRating, MovieStats, UserStats, UserTrends};
 pub use user::*;
 
 pub use goal::{Goal, GoalWithProgress};

crates/domain/src/models/stats.rs

@@ -30,11 +30,26 @@ pub struct DirectorStat {
     pub count: i64,
 }
 
+#[derive(Clone, Debug)]
+pub struct GenreStat {
+    pub genre: String,
+    pub count: i64,
+}
+
+#[derive(Clone, Debug)]
+pub struct WatchMediumStat {
+    pub medium: String,
+    pub count: i64,
+}
+
 #[derive(Clone, Debug)]
 pub struct UserTrends {
     pub monthly_ratings: Vec<MonthlyRating>,
     pub top_directors: Vec<DirectorStat>,
     pub max_director_count: i64,
+    pub top_genres: Vec<GenreStat>,
+    pub rating_distribution: [i64; 5],
+    pub watch_medium_distribution: Vec<WatchMediumStat>,
 }
 
 #[derive(Clone, Debug)]

crates/domain/src/models/wrapup.rs

@@ -17,6 +17,7 @@ pub struct WrapUpMovieRow {
     pub runtime_minutes: Option<u32>,
     pub budget_usd: Option<i64>,
     pub original_language: Option<String>,
+    pub watch_medium: Option<String>,
     pub genres: Vec<String>,
     pub keywords: Vec<String>,
     pub cast_names: Vec<(String, u32, i64)>,
@@ -95,6 +96,12 @@ pub struct LangStat {
     pub count: u32,
 }
 
+#[derive(Clone, Debug, Serialize, Deserialize)]
+pub struct WatchMediumStat {
+    pub medium: String,
+    pub count: u32,
+}
+
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct MonthCount {
     pub year_month: String,
@@ -142,6 +149,7 @@ pub struct WrapUpReport {
     pub total_budget_watched: Option<i64>,
     pub avg_budget: Option<i64>,
     pub language_distribution: Vec<LangStat>,
+    pub watch_medium_distribution: Vec<WatchMediumStat>,
     pub oldest_movie: Option<MovieRef>,
     pub newest_movie: Option<MovieRef>,