Bounded synthetic MQTT-to-Holochain WP4 B0-B8 proof.
Controlling run: WP4-20260622T164351Z
Runtime merge commit: 8bce93e672934b83734df1e66666388cc6b2ae2f
Claim boundary: no production readiness, empirical validation, legal, market, financial, certification, value, or universal duplicate-prevention claim.