feat(backend): wire FeedRequest/FeedOptions sort+filter through all feed layers

crates/application/src/use_cases/feed.rs

@@ -1,7 +1,7 @@
 use domain::{
     errors::DomainError,
     models::feed::{FeedEntry, PageParams, Paginated},
-    ports::{FeedQuery, FeedRepository, FollowRepository},
+    ports::{FeedOptions, FeedQuery, FeedRepository, FeedRequest, FollowRepository},
     value_objects::UserId,
 };
 
@@ -10,9 +10,13 @@ pub async fn get_home_feed(
     follows: &dyn FollowRepository,
     user_id: &UserId,
     page: PageParams,
+    opts: FeedOptions,
 ) -> Result<Paginated<FeedEntry>, DomainError> {
     let mut following_ids = follows.get_accepted_following_ids(user_id).await?;
     following_ids.push(user_id.clone());
-    feed.query(&FeedQuery::home(user_id.clone(), following_ids, page))
-        .await
+    feed.query(&FeedRequest {
+        query: FeedQuery::home(user_id.clone(), following_ids, page),
+        options: opts,
+    })
+    .await
 }