Reporter is now a collector: checks declare a verdict (OK/Skip/Warn/Fail/
Fatal) plus findings, and a single central render() prints output. Default
output is silent on pass/skip — only FAIL/WARN/ERR checks print, followed by
one tally line, so a clean run is two lines. --verbose restores full per-check
output. All ~30 checks were converted to this API; orphaned guidance/label
helpers (printPerTargetOKLines, per-check *Help blocks, colors_format.go) were
removed.
The any-usage check (2e) now defaults to only the unstaged working-tree diff
(changed lines), via a new per-repo git-diff index in changedlines.go; --all-any
restores the full scan. Not-a-git-repo / no-diff warns on nothing.
Golden fixtures regenerated; integration tests updated to the new format; added
unit tests for the diff index.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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