Direct answer: GetCodingTools publishing notes now recommend a fixture-first check for CLI and library helpers: lock input JSON, compare normalized output, and refuse “looks fine” reviews without a diff.
Small coding utilities fail quietly when formatting drifts—key order, floating precision, or trailing whitespace. The 2026-07-20 note adds a practical gate for news and blog writers covering those tools: show the fixture path, the command, and the expected exit code in English, Chinese, and Japanese.
Use the same gate before you publish a tutorial about JSON transformers, diff helpers, or rate-limit header parsers. Feedback: sapsap@qq.com.