W1.2: enrolled custom-html (recipe_meta.WARM_CANONICAL); live proof ALL PASS
(seed canonical → idle-with-volume-retained → re-warm → marker survived).
WC2 (registry+data-warm model) + WC3 (snapshot+restore) proven. 61 unit pass.
custom-html now the first real data-warm canonical (idle).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>