Skill 06
Ship & Verify
Dev can lie. Production can be blank. You check both, including a phone width.
Doctrine
- Load the page in a real browser. Confirm visible content and a clean console.
- A production build must render too — module scripts that 404 show up as HTML MIME errors.
- Check ~390×844. Primary actions must be usable.
Must
- Fix blank screens and uncaught errors before calling it done.
- Keep the long-running preview process up after you finish.
Never
- Stop at a 200 status.
- Ask the human to QA your environment.