One speakerless event over a place subtree: recipients derived at apply
time by the one reach owner, already-holders untouched, an empty subtree
refused at both layers, confinement through the operation's place, an
affordance slot so a world can author a beacon or a blast. Schemas at
consumer.v2; the operation count aligned to the catalog's pinned count.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>