Beta and env changes

backend/middleware/betaAuth.js

@@ -0,0 +1,21 @@
+const verifyBetaPassword = (req, res, next) => {
+  const betaPassword = req.headers['x-beta-password'];
+  const configuredPassword = process.env.BETA_PASSWORD;
+  
+  if (!configuredPassword) {
+    console.error('BETA_PASSWORD environment variable is not set');
+    return res.status(500).json({ error: 'Beta password not configured on server' });
+  }
+  
+  if (!betaPassword) {
+    return res.status(401).json({ error: 'Beta password required' });
+  }
+  
+  if (betaPassword !== configuredPassword) {
+    return res.status(403).json({ error: 'Invalid beta password' });
+  }
+  
+  next();
+};
+
+module.exports = { verifyBetaPassword };