The lead's ruling of 12:5x (design 25 § 12.3): mesh-broker's events ride the bus module's own stream, 30 days, on mesh.seat.mesh-broker.said.<event>, outside the shared events stream's mesh.seat.*.event.>, so the bus never refuses the two as overlapping. Claude-Session: https://claude.ai/code/session_01JG73KJNrH5EgFXMKKYSrig