Release 0.2.9: diversity warning + CI lint matrix#17
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Surface the silent-degenerate failure mode that rstr's non-greedy bug hit on kubernetes_secret_yaml pre-0.2.8 (27 samples / 10 unique middles, all sharing one degenerate core). Parent-side pass after corpus collection: per-rule middle-50-char slice uniqueness, warn when ratio < 0.4 and samples >= 10. Works under both sequential and parallel backends (spawn workers don't forward logs). Threshold lets inherently narrow patterns (inst_tag at 0.53) through without noise.
Local dev on 3.14 and CI lint on 3.12 drifted: mypy passes on one, flags on the other (method-assign + warn_unused_ignores interaction). Expand the matrix so CI surfaces both sides of the drift. Also adds 3.14 to the test matrix and classifiers — local already runs it clean, just hadn't been declared supported.
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Summary
< 0.4and samples>= 10.Follow-ups from the lumen-argus 0.2.8 artifact review — two follow-ups evaluated but deferred as non-bugs: rstr
.char pool (rstr is correct,.legitimately matches any char) and rstr overgeneration waste (71% waste on pathological k8s pattern costs ~60ms per rule — not worth invasive rstr surgery).Test plan
pytest→ 280 passed under py3.14 localruff checkcleanmypy --strict crossfire/clean