Candidate diff and manifest against 66ea40580; messaging suite now 12 tests;
gate green; 21/21 mutants caught (m16, m17 added). No push.
Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Broker send limits for the assistant (REQ-ASSIST-2, #1614): optional role
messaging lists, broker refusals logged both ways. Gate and 19 mutants green
on 85540a74e; patch applies to 9f1c14e57.
Co-Authored-By: Claude Sonnet 5.5 <[email protected]>