refactor: remaining MEDIUM — CQRS splits, DI Deps, profile dedup, event Value, response enum

M1: MovieRepository→MovieCommand/MovieQuery, WatchEventRepository→
WatchEventCommand/WatchEventQuery
M2: goals/ and import/ use Deps structs
M7: extract upload_image helper in update_profile
M8: FederationDeliveryRequested activity_json String→serde_json::Value
M11: UserProfileResponse uses ProfileViewData enum

crates/application/src/diary/get_movie_social_page.rs

@@ -24,7 +24,7 @@ pub async fn execute(
     let page = PageParams::new(Some(query.limit), Some(query.offset))?;
 
     let movie = deps
-        .movie
+        .movie_query
         .get_movie_by_id(&movie_id)
         .await?
         .ok_or_else(|| DomainError::NotFound(format!("Movie {}", query.movie_id)))?;