Preview Fallback ZERO-JS MODE

✓ Static hosting is working.

This is a zero-JavaScript fallback page. If you can see this, your preview infrastructure is serving HTML correctly, but scripts may be blocked in the preview frame.

What does this mean?

Your app is deployed and accessible
HTML delivery is functioning
JavaScript execution may be blocked by iframe sandbox settings
Or: Service Workers/cache may be serving stale content

Next Steps:

Click "Open Full App" to launch in a new tab (recommended)
Check diagnostics for detailed technical information
Review zero-JS probe to verify basic server functionality

Open Full App in New Tab Open Diagnostics Zero-JS Probe

Technical Details (TP01-V1.6):

Mode: Preview Safe Mode - Zero-JS Fallback
Cause: No React root painted within 1500ms timeout
Possible Issues:
- Iframe sandbox without allow-scripts or allow-same-origin
- CSP blocking script execution
- Stale Service Worker serving old/broken assets
- JavaScript bundle failed to load or execute

TP01-PREVIEW-RESCUE-V1.6 — Frame-Buster + Parent Relay + Static Fallback

This fallback ensures visibility in all preview scenarios. For full diagnostics, see: /diagnostics