v0.6.5 various updates

backend/src/routes/users.js

@@ -49,7 +49,7 @@ function getDefaultPassword(db) {
 router.get('/', authMiddleware, adminMiddleware, (req, res) => {
   const db = getDb();
   const users = db.prepare(`
-    SELECT id, name, email, role, status, is_default_admin, must_change_password, avatar, about_me, display_name, created_at
+    SELECT id, name, email, role, status, is_default_admin, must_change_password, avatar, about_me, display_name, created_at, last_login
     FROM users WHERE status != 'deleted'
     ORDER BY created_at ASC
   `).all();