refactor(application): remove pass-through search use cases — call SearchPort directly

crates/presentation/src/handlers/feed.rs

@@ -11,7 +11,6 @@ use application::use_cases::feed::{
     get_popular_tags as uc_get_popular_tags, get_public_feed, get_user_feed,
 };
 use application::use_cases::profile::{get_user_by_id_or_username, get_user_by_username};
-use application::use_cases::search::{search_thoughts, search_users};
 use axum::{
     extract::{Path, Query, State},
     http::{header, HeaderMap},
@@ -104,22 +103,14 @@ pub async fn search_handler(
     let query = q.q.trim().to_string();
 
     let (thoughts_result, users_result) = tokio::join!(
-        search_thoughts(
-            &*s.search,
+        s.search.search_thoughts(
             &query,
-            PageParams {
-                page: page.page,
-                per_page: page.per_page
-            },
+            &page,
             viewer.as_ref()
         ),
-        search_users(
-            &*s.search,
+        s.search.search_users(
             &query,
-            PageParams {
-                page: page.page,
-                per_page: page.per_page
-            }
+            &page
         ),
     );
 

crates/presentation/src/handlers/users.rs

@@ -12,7 +12,6 @@ use application::use_cases::feed::list_users_paginated;
 use application::use_cases::profile::{
     get_user as fetch_user, get_user_by_id_or_username, update_profile,
 };
-use application::use_cases::search::search_users;
 use axum::{
     extract::{Path, Query, State},
     http::{header, HeaderMap},
@@ -135,7 +134,7 @@ pub async fn get_users(
     let page_params = PageParams { page, per_page };
 
     if let Some(q) = params.get("q").filter(|q| !q.trim().is_empty()) {
-        let result = search_users(&*s.search, q, page_params).await?;
+        let result = s.search.search_users(q, &page_params).await?;
         let users: Vec<_> = result
             .items
             .iter()