Replace replace UI with search result navigation

frontend/index.html

@@ -163,9 +163,6 @@
               <button class="search-btn icon-only" id="search-filter-btn" type="button" title="Filtres de chemin (Alt-F)">
                 <i data-lucide="filter" style="width:14px;height:14px"></i>
               </button>
-              <button class="search-btn icon-only" id="search-replace-btn" type="button" title="Rechercher et remplacer (Alt-Shift-H)">
-                <i data-lucide="replace" style="width:14px;height:14px"></i>
-              </button>
               <span class="search-sep"></span>
               <span class="search-count" id="search-match-count">0/0</span>
               <button class="search-btn icon-only" id="search-prev-btn" type="button" title="Résultat précédent">&#8593;</button>
@@ -180,12 +177,6 @@
             <input type="text" class="search-filter-input" id="search-include-input" placeholder="Inclure: **/*.md, notes/**">
             <input type="text" class="search-filter-input" id="search-exclude-input" placeholder="Exclure: vendor/*, *.lock">
           </div>
-          <!-- Replace row -->
-          <div class="search-replace-row" id="search-replace-row" style="display:none">
-            <input type="text" class="search-filter-input" id="search-replace-input" placeholder="Remplacer par...">
-            <button class="search-replace-btn" id="search-replace-one-btn" type="button" title="Remplacer">Remplacer</button>
-            <button class="search-replace-btn" id="search-replace-all-btn" type="button" title="Remplacer tout">Tout remplacer</button>
-          </div>
           <!-- Advanced search autocomplete dropdown -->
           <div class="search-dropdown" id="search-dropdown" role="listbox" aria-label="Suggestions de recherche" hidden>
             <div class="search-dropdown__section search-dropdown__section--history" id="search-dropdown-history">