Summary

Cada entrega inclui X-ChatBeep-Event, X-ChatBeep-Signature e X-ChatBeep-Timestamp.
O corpo segue um envelope com event_id, event, version, occurred_at, tenant_slug e data.
A plataforma atual ja modela subscriptions por tenant; o dispatcher publico evolui sobre esse contrato.
X-ChatBeep-Event: conversation.created
X-ChatBeep-Timestamp: 2026-06-17T12:00:00Z
X-ChatBeep-Signature: sha256=ASSINATURA_HMAC