fix: tag feed returns full FeedEntry with author and counts

crates/domain/src/ports.rs

@@ -138,6 +138,7 @@ pub trait FeedRepository: Send + Sync {
     async fn home_feed(&self, following_ids: &[UserId], page: &PageParams, viewer_id: Option<&UserId>) -> Result<Paginated<FeedEntry>, DomainError>;
     async fn public_feed(&self, page: &PageParams, viewer_id: Option<&UserId>) -> Result<Paginated<FeedEntry>, DomainError>;
     async fn search(&self, query: &str, page: &PageParams, viewer_id: Option<&UserId>) -> Result<Paginated<FeedEntry>, DomainError>;
+    async fn tag_feed(&self, tag_name: &str, page: &PageParams, viewer_id: Option<&UserId>) -> Result<Paginated<FeedEntry>, DomainError>;
 }
 
 #[async_trait]

crates/domain/src/testing.rs

@@ -287,6 +287,9 @@ pub struct TestStore {
     async fn search(&self, _q: &str, _p: &PageParams, _v: Option<&UserId>) -> Result<Paginated<FeedEntry>, DomainError> {
         Ok(Paginated { items: vec![], total: 0, page: 1, per_page: 20 })
     }
+    async fn tag_feed(&self, _tag_name: &str, _page: &PageParams, _viewer_id: Option<&UserId>) -> Result<Paginated<FeedEntry>, DomainError> {
+        Ok(Paginated { items: vec![], total: 0, page: 1, per_page: 20 })
+    }
 }
 
 #[async_trait] impl SearchPort for TestStore {