Developer uses automated build checks to catch AI-generated code errors before deployment

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A developer writing for DEV Community describes replacing manual AI code review with an automated verification script after noticing a pattern of subtle but consistent bugs slipping through. The 169-line dependency-free Node.js script, called scripts/verify.mjs, scans the built output for issues such as dead internal links, missing alt text, duplicate canonical URLs, and placeholder copy. The tool runs on every pull request and blocks deployment if any check fails, ensuring the same gate applies in both local and CI environments. A separate Lighthouse budget enforces minimum scores for performance, accessibility, best practices, and SEO, with flaky performance checks handled by a retry loop to avoid false failures. The author argues that rules should be added reactively as real bugs surface, rather than attempting to write a comprehensive linter upfront.

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