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/watchlist/add.rs

@@ -15,7 +15,8 @@ pub async fn execute(
 
     let (movie, _is_new) = resolve_and_persist_movie(
         &cmd.input,
-        deps.movie.as_ref(),
+        deps.movie_command.as_ref(),
+        deps.movie_query.as_ref(),
         deps.metadata.as_ref(),
         deps.event_publisher.as_ref(),
     )