PCFC11 0.2.30: direct statement CFG labels/goto.
40 standard phases; 33 bootstrap steps; sanitizer build plus 30 suites; 9 references pass.
53 fresh PyCForge 1.3.82 conversions, 265 execution variants, 8 BuildService runs,
12 failed/stale/canceled preservation checks, 106 Windows assembly checks pass.
See docs/VALIDATION.md for precise scope, failed attempts and platform gaps.
