static checks: PASS with documented formatter exception
ruff lint (F400 Python files): PASS
py_compile (F400 Python files): PASS
git diff --check: PASS
diagram SVG/PNG parse, 1800x1080 SVG, 2700x1620 PNG, nonblank visual inspection: PASS
targeted Python: 27 passed + 6 subtests
related Python: 131 passed + 57 subtests
full Python exact-identity gate: 995 passed + 235 subtests, zero degradation
full LLVM 17 lit: 261 discovered, 259 passed, 2 unsupported, 0 failed
ruff formatter: NOT A REPOSITORY GATE; whole legacy modules would be reformatted
coverage/speedup/public-target claim: intentionally absent
AFL/native-replay coverage attribution: intentionally absent