Arrow up/down to navigate entries, Enter to open selected for editing

js/app.js

@@ -1409,6 +1409,30 @@ document.addEventListener('keydown', function(e) {
         return;
     }
 
+    // Arrow up/down — navigate entries in vault
+    if ((e.key === 'ArrowUp' || e.key === 'ArrowDown') && !isInput && document.getElementById('authSection').classList.contains('hidden')) {
+        e.preventDefault();
+        const filtered = getFilteredEntries();
+        if (!filtered.length) return;
+        let idx = -1;
+        if (selectedIds.size > 0) {
+            const firstId = [...selectedIds][0];
+            idx = filtered.findIndex(e => e.id == firstId);
+        }
+        if (e.key === 'ArrowDown') idx = idx < filtered.length - 1 ? idx + 1 : 0;
+        else idx = idx > 0 ? idx - 1 : filtered.length - 1;
+        selectedIds.clear(); selectedIds.add(filtered[idx].id);
+        updateBatchBar(); render(); playSound('click');
+        return;
+    }
+
+    // Enter — open edit for single selected entry
+    if (e.key === 'Enter' && !isInput && selectedIds.size === 1 && document.getElementById('authSection').classList.contains('hidden') && !document.getElementById('editModal').classList.contains('show') && !document.getElementById('addModal').classList.contains('show')) {
+        e.preventDefault();
+        openEdit([...selectedIds][0]);
+        return;
+    }
+
     // ? or / to show shortcuts help (only in vault)
     if ((e.key === '?' || e.key === '/') && !isInput) {
         if (!document.getElementById('authSection').classList.contains('hidden')) return;