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gbrain/test
Garry TanandClaude Fable 5 94662eb1e1 feat(ci): gate enforces the #3745 intent-paragraph + screenshot requirement
CONTRIBUTING.md (#3745) requires every PR to carry a paragraph the author
wrote themselves and a screenshot of gbrain actually in use. The gate now
checks both, mechanically, before it spends anything on review.

What it checks (no LLM, both exported for testing):
- hasScreenshot: markdown `![alt](url)`, a bare user-images.githubusercontent
  or github.com/user-attachments/assets URL, or an <img> tag. Anything inside
  a fenced code block does not count — pasting the syntax is not attaching
  the picture.
- hasIntentParagraph: >= 40 words of prose left after stripping fenced code,
  blockquotes, list items, headings, HTML comments, links and the PR
  template's own boilerplate. Per-character scripts are tokenized per
  character, so a paragraph written in Chinese counts as one.

The two lane consequences:
- missing_screenshot OR missing_intent forces close-lane from any recommended
  lane (exit 1) and skips the model call entirely — closed without review is
  the documented consequence, so there is nothing to spend a review on. The
  sticky comment leads with what is missing, how to fix it, and the reopen
  path; both misses are also recorded in the existing "Mechanical downgrades
  applied" section.
- The model's new advisory intent_authenticity verdict forces
  needs-maintainer (exit 0) when it reads "ai_generated", and never
  close-lane on that signal alone. The comment says only that a maintainer
  will read the paragraph personally; the model's reasoning is consumed and
  never published at the contributor.

Rubric + strict-JSON schema gain intent_authenticity and
intent_authenticity_reason, with explicit instructions that rough grammar,
terseness and non-native English are evidence of a HUMAN and that "unclear"
is the answer whenever the evidence is not clear-cut.

test/pr-gate-workflow.test.ts: 63 -> 88 tests, all green.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-04 10:46:09 +08:00
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