refactor: fix HIGH+MEDIUM architectural violations from code review

HIGH: fix watch_medium data-loss bug, standardize error handling on
ApiError, fix dep direction (rss/template-askama no longer dep on
application), extract ImageFetcher port (remove reqwest from app layer),
move event construction from save_review to use case, extract
infra-wiring crate (DbPool/EventBusBackend dedup), deduplicate
presentation helpers (encode_error, export streaming, multipart parsing)

MEDIUM: split LocalApContentQuery god-trait 10→3 methods, dedup movie
resolution orchestration, add RemoteActorDto/PersonDto mappers, move
AppConfig to infra-wiring, fix SocialQueryPort Uuid→UserId, replace
stringly-typed api-types with domain enums, move count_reviews_in_year
to StatsRepository, dedup event publisher cfg blocks, extract
should_enrich, move group_by_month to application, dedup
count_local_posts, add FederationFlags Default, TUI input helper +
ShowError rename + typed auth errors, api-types cleanup
(UserSettingsDto/UserProfileBase/PreviewRowData)

102 files changed, -681 lines net

crates/presentation/src/mappers/movies.rs

@@ -37,7 +37,7 @@ pub fn review_to_dto(review: &Review) -> ReviewDto {
         rating: review.rating().value(),
         comment: review.comment().map(|c| c.value().to_string()),
         watched_at: domain::value_objects::format_watched_at(review.watched_at()),
-        watch_medium: review.watch_medium().map(|wm| wm.to_string()),
+        watch_medium: review.watch_medium().copied(),
     }
 }