feat(sidebar+assistant): filtre Recents/Sauvegardes (#99), pastille Deep Research (#100) et icone du bouton + (BUG-049)

frontend/js/viewer.js

@@ -1811,6 +1811,14 @@ function _renderSyncPanel(panel) {
 // ── Saved searches filter ──
 var _savedFilterType = 'all';
 var _savedFilterInitDone = false;
+var _savedQuery = '';
+
+function _savedNorm(value) {
+  return String(value || '')
+    .normalize('NFD')
+    .replace(/[\u0300-\u036f]/g, '')
+    .toLowerCase();
+}
 
 function _initSavedFilter() {
   if (_savedFilterInitDone) return;
@@ -1827,18 +1835,41 @@ function _initSavedFilter() {
   _savedFilterInitDone = true;
 }
 
+/** #99 — Filter the saved-searches list by the global sidebar filter input. */
+export function filterSavedSearches(query) {
+  _savedQuery = (query || '').trim();
+  _applySavedFilter();
+}
+
 function _applySavedFilter() {
   var items = document.querySelectorAll('.saved-search-item');
+  var list = document.getElementById('saved-searches-list');
+  var q = _savedNorm(_savedQuery);
   var hasVisible = false;
   items.forEach(function(item) {
     var type = item.dataset.type;
-    var show = _savedFilterType === 'all' || type === _savedFilterType;
+    var typeOk = _savedFilterType === 'all' || type === _savedFilterType;
+    var textOk = !q || _savedNorm(item.textContent).includes(q);
+    var show = typeOk && textOk;
     item.style.display = show ? '' : 'none';
     if (show) hasVisible = true;
   });
+  // Remove a previous "no match" hint before deciding whether to add one.
+  if (list) {
+    var prev = list.querySelector('.sidebar-filter-empty');
+    if (prev) prev.remove();
+  }
   // Show/hide empty state
   var empty = document.getElementById('saved-searches-empty');
   if (empty) empty.style.display = hasVisible ? 'none' : '';
+  // Explain an empty result caused by the global search rather than by an
+  // actually empty saved-searches list.
+  if (!hasVisible && q && list && items.length) {
+    var hint = document.createElement('div');
+    hint.className = 'sidebar-filter-empty';
+    hint.textContent = t('sidebar.no_results');
+    list.appendChild(hint);
+  }
 }