Browser QA and delivery
Before delivery:
- Serve or open the artifact inside the writable sandbox.
- Navigate with the sandbox Playwright tools and capture a desktop screenshot.
- Inspect the semantic snapshot, browser console, and failed network requests.
- Test the primary interaction and keyboard focus path.
- Repeat at a narrow mobile viewport. Check overflow and content order.
- Fix defects and rerun the affected checks.
- Ensure the delivered document contains no inspector code, secrets, local-only URLs, missing assets, or development placeholders.
- Call
sandbox-deliver-fileswith the exact HTML file that passed QA.
Do not paste the full source into chat. The attachment is the product; the final text should only identify what was delivered and any unavoidable limitation.