feat(ui): panneau repliable, carnets plus lisibles et accueil plus clair

Harmonise la liste des notes et l’éditeur (titres, dates, retour),
rend la saisie rapide et les raccourcis de l’accueil utilisables
sur téléphone, et conserve le panneau latéral repliable.

memento-note/components/inbox-bulk-bar.tsx

@@ -38,13 +38,12 @@ export function InboxBulkBar({
       >
         {allSelected ? t('notes.deselectAll') : t('notes.selectAll')}
       </button>
-      <span className="text-[12px] text-muted-foreground">
+      {hasSelection && <span className="text-[12px] text-muted-foreground" aria-live="polite">
         {selectedCount === 1
           ? t('notes.selectedCountOne')
           : t('notes.selectedCount', { count: selectedCount })}
-      </span>
-      <div className="flex items-center gap-2 ms-auto">
-        {hasSelection ? (
+      </span>}
+      {hasSelection && <div className="flex items-center gap-2 ms-auto">
           <MoveToNotebookPicker
             notebooks={notebooks}
             currentNotebookId={null}
@@ -62,16 +61,6 @@ export function InboxBulkBar({
               {t('notes.bulkMove')}
             </button>
           </MoveToNotebookPicker>
-        ) : (
-          <button
-            type="button"
-            disabled
-            className="flex items-center gap-1.5 px-3 py-1.5 rounded-full text-[12px] font-medium border border-transparent text-muted-foreground/50 cursor-not-allowed"
-          >
-            <FolderOpen size={14} />
-            {t('notes.bulkMove')}
-          </button>
-        )}
         <button
           type="button"
           disabled={!hasSelection || busy}
@@ -86,7 +75,7 @@ export function InboxBulkBar({
           <Trash2 size={14} />
           {t('notes.bulkTrash')}
         </button>
-      </div>
+      </div>}
     </div>
   )
 }