ya isntala y da menor errores en desarrollo, aun no es perfecto pero ta bien

server/middleware/proxy-headers.ts

@@ -42,9 +42,12 @@ export default defineEventHandler(async (event) => {
       setHeader(event, 'Cache-Control', 'public, max-age=3600') // 1 hour cache
       setHeader(event, 'Accept-Ranges', 'bytes')
       
-      // Add security headers
+      // Add security headers (but allow DevTools)
       setHeader(event, 'X-Content-Type-Options', 'nosniff')
-      setHeader(event, 'X-Frame-Options', 'DENY')
+      // Don't set X-Frame-Options DENY for development
+      if (process.env.NODE_ENV === 'production') {
+        setHeader(event, 'X-Frame-Options', 'DENY')
+      }
     }
   }