168 non-green runs since the first workflow run were classified (docs/analysis/ci-failures-2026-10-06.md): 102 were tree checks that finish in under 25 s on the pushing machine, 40 were GitHub-side refusals nobody saw.
tools/ci/pre-push.sh is the one list of fast checks; ci.yml's site job calls it with --ci and the pre-push hook with --hook (full gate for master and release-*, structural checks for other refs; never writes into the worktree). tools/ci/export-exclude.txt lists research documents outside the public export list, pruned by identity-check.sh and by the mirror's sync.sh (self-test: an excluded path may quote the patterns, an exported one may not); polish.md and this record are its first entries, which makes master green. tools/ci/windows-paths-check.sh (colon, trailing dot or space, reserved names, over 240 characters) runs as the pre-commit hook on staged paths and in the gate. tools/ci/red-watch.mjs plus the red job on the box's runner record one line per failed master or release-* run to /srv/ci-red/red.jsonl; igneum-ci-red.timer posts each once to the updates channel. pow and sims read IGNEUM_CI_RUNNER for the box. no-foreign-tree-writes.sh no longer exits silently on its warning pipeline under pipefail.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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