fix: export closeMobileSidebar, showLoading; add imports

frontend/js/search.js

@@ -1,6 +1,7 @@
 /* ObsiGate — Search module */
 import { state } from './state.js';
 import { safeCreateIcons } from './utils.js';
+import { showLoading } from './viewer.js';
 // ---------------------------------------------------------------------------
 // Search History Service (localStorage, LIFO, max 50, dedup)
 // ---------------------------------------------------------------------------

frontend/js/ui.js

@@ -411,7 +411,7 @@ export function initMobile() {
   });
 }
 
-function closeMobileSidebar() {
+export function closeMobileSidebar() {
   const sidebar = document.getElementById("sidebar");
   const overlay = document.getElementById("sidebar-overlay");
   if (sidebar) sidebar.classList.remove("mobile-open");

frontend/js/viewer.js

@@ -1034,7 +1034,7 @@ async function loadSavedSearches() {
   } catch (err) { /* silently ignore */ }
 }
 
-function showLoading() {
+export function showLoading() {
   const area = document.getElementById("content-area");
   area.innerHTML = `
     <div class="loading-indicator">