fix: compute liked_by_viewer/boosted_by_viewer from DB — viewer_id was ignored in all feed queries

crates/presentation/src/handlers/feed.rs

@@ -158,10 +158,11 @@ pub async fn get_popular_tags(
 pub async fn tag_thoughts_handler(
     State(s): State<AppState>,
     Path(tag_name): Path<String>,
+    OptionalAuthUser(viewer): OptionalAuthUser,
     Query(q): Query<PaginationQuery>,
 ) -> Result<Json<serde_json::Value>, ApiError> {
     let page = PageParams { page: q.page(), per_page: q.per_page() };
-    let result = get_by_tag(&*s.feed, &tag_name, page).await?;
+    let result = get_by_tag(&*s.feed, &tag_name, page, viewer.as_ref()).await?;
     Ok(Json(serde_json::json!({
         "tag": tag_name,
         "total": result.total,