feat: menu contextuel repertoire → Sauvegarder recherche + icone dossier

- ContextMenuManager: option Ajouter aux recherches sauvegardees pour repertoires
- _saveDirectorySearch: POST /api/saved-searches avec include_paths=repertoire/**
- Bascule automatique vers longlet Sauvegardes dans le sidebar
- loadSavedSearches: icone folder-search + classe saved-search-dir pour recherches dossier
- Recherches dossier affichent le chemin au lieu d'une query vide

frontend/js/legacy.js

@@ -333,6 +333,9 @@ async function loadSavedSearches() {
     }
     if (empty) empty.style.display = "none";
     list.innerHTML = searches.map(s => {
+      var isDirSearch = (!s.query || s.query.trim() === '') && s.include_paths;
+      var displayQuery = isDirSearch ? (s.include_paths || 'Dossier') : escapeHtml(s.query);
+      var dirIcon = isDirSearch ? '<i data-lucide="folder-search" style="width:14px;height:14px;margin-right:4px;color:var(--accent)"></i>' : '';
       const badges = [];
       if (s.case_sensitive) badges.push('<span class="search-filter-badge">Aa</span>');
       if (s.whole_word) badges.push('<span class="search-filter-badge">wd</span>');
@@ -342,8 +345,8 @@ async function loadSavedSearches() {
       if (s.exclude_paths) pathFilters.push(`<span class="saved-search-path" title="Exclure: ${escapeHtml(s.exclude_paths)}">\u{1F4E4} ${escapeHtml(s.exclude_paths)}</span>`);
       const vaultStr = s.vault && s.vault !== "all" ? `<span class="saved-search-vault">\u{1F4C1} ${escapeHtml(s.vault)}</span>` : "";
       return `
-      <div class="saved-search-item">
+      <div class="saved-search-item${isDirSearch ? ' saved-search-dir' : ''}">
-        <div class="saved-search-query">${escapeHtml(s.query)}</div>
+        <div class="saved-search-query">${dirIcon}${displayQuery}</div>
         <div class="saved-search-meta">
           ${badges.join("")}
           ${vaultStr}

frontend/js/ui.js

@@ -1677,6 +1677,8 @@ export const ContextMenuManager = {
       this._addItem('folder-plus', 'Nouveau sous-dossier', () => this._createDirectory(), isReadonly);
       this._addItem('file-plus', 'Nouveau fichier ici', () => this._createFile(), isReadonly);
       this._addSeparator();
+      this._addItem('bookmark-plus', 'Ajouter aux recherches sauvegardees', () => this._saveDirectorySearch(), false);
+      this._addSeparator();
       this._addItem('edit', 'Renommer', () => this._renameItem(), isReadonly);
       this._addItem('trash-2', 'Supprimer', () => this._deleteDirectory(), isReadonly);
     } else if (type === 'file') {
@@ -1813,6 +1815,33 @@ export const ContextMenuManager = {
     } catch (err) { showToast("Erreur: " + err.message, "error"); }
   },
 
+  async _saveDirectorySearch() {
+    try {
+      var vault = this._targetVault || "all";
+      var dirPath = this._targetPath;
+      var dirName = dirPath.split("/").pop() || dirPath;
+      await api("/api/saved-searches", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({
+          query: "",
+          vault: vault,
+          case_sensitive: false,
+          whole_word: false,
+          regex: false,
+          include_paths: dirPath + "/**",
+          exclude_paths: "",
+        }),
+      });
+      showToast("Repertoire sauvegarde dans les recherches", "success");
+      // Switch to saved searches tab
+      var savedTab = document.getElementById("sidebar-tab-saved");
+      if (savedTab) savedTab.click();
+      // Reload saved searches
+      import('./viewer.js').then(function(m) { m.loadSavedSearches(); });
+    } catch (err) { showToast("Erreur: " + err.message, "error"); }
+  },
+
   _openBackupViewer() {
     // Dynamically import the backup viewer module to avoid circular deps
     import('./backups.js').then(mod => {

frontend/js/viewer.js

@@ -1038,6 +1038,10 @@ export async function loadSavedSearches() {
     }
     if (empty) empty.style.display = "none";
     list.innerHTML = searches.map(s => {
+      // Detect directory-based saved search (empty query + include_paths)
+      var isDirSearch = (!s.query || s.query.trim() === '') && s.include_paths;
+      var displayQuery = isDirSearch ? (s.include_paths || 'Dossier') : escapeHtml(s.query);
+      var dirIcon = isDirSearch ? '<i data-lucide="folder-search" style="width:14px;height:14px;margin-right:4px;color:var(--accent)"></i>' : '';
       const badges = [];
       if (s.case_sensitive) badges.push('<span class="search-filter-badge">Aa</span>');
       if (s.whole_word) badges.push('<span class="search-filter-badge">wd</span>');
@@ -1047,8 +1051,8 @@ export async function loadSavedSearches() {
       if (s.exclude_paths) pathFilters.push(`<span class="saved-search-path" title="Exclure: ${escapeHtml(s.exclude_paths)}">📤 ${escapeHtml(s.exclude_paths)}</span>`);
       const vaultStr = s.vault && s.vault !== "all" ? `<span class="saved-search-vault">📁 ${escapeHtml(s.vault)}</span>` : "";
       return `
-      <div class="saved-search-item">
+      <div class="saved-search-item${isDirSearch ? ' saved-search-dir' : ''}">
-        <div class="saved-search-query">${escapeHtml(s.query)}</div>
+        <div class="saved-search-query">${dirIcon}${displayQuery}</div>
         <div class="saved-search-meta">
           ${badges.join("")}
           ${vaultStr}