cleaner nullable name

server/src/routes/account.ts

@@ -11,6 +11,18 @@ const uploadsDir = process.env.UPLOADS_DIR || path.join(__dirname, '../../upload
 const router = Router();
 router.use(requireAuth);
 
+// POST /api/account/name — update (or clear) the authenticated user's display name
+router.post('/name', async (req, res) => {
+  const { name } = req.body;
+  const cleanName = typeof name === 'string' && name.trim() !== '' ? name.trim() : null;
+  try {
+    await pool.query('UPDATE "user" SET name = $1 WHERE id = $2', [cleanName, req.user!.id]);
+    res.json({ name: cleanName });
+  } catch {
+    res.status(500).json({ error: 'Failed to update name' });
+  }
+});
+
 // POST /api/account/delete
 router.post('/delete', async (req, res) => {
   const userId = req.user!.id;