Update server.js

server.js

@@ -55,12 +55,17 @@ app.post('/login', async (_req, res) => {
     return res.status(500).json(out);
   }
 
-  const b64 = out.png.toString('base64');
-  res.json({
-    ok: true,
-    screenshot_b64: out.png,  // ready for <img src=...>
-  });
-  /* res.type('png').send(out.png); */
+  const boundary = '---PNG_BOUNDARY';
+  res.set('Content-Type', `multipart/mixed; boundary=${boundary}`);
+
+  res.write(`--${boundary}\r\n`);
+  res.write('Content-Type: application/json\r\n\r\n');
+  res.write(JSON.stringify({ ok: true }) + '\r\n');
+
+  res.write(`--${boundary}\r\n`);
+  res.write('Content-Type: image/png\r\n\r\n');
+  res.write(out.png);
+  res.end(`\r\n--${boundary}--`);
 });
 
 console.log('🛰️  Public URL will be:', HOSTNAME);