Sub-ticket of VENUS-3 D2 relay leg (appEvents→agent): (1) commit db/migrations uxPainDigestRelay sidecar (eventId PK→appEvents.id, deliveredAt) — already applied on prod but uncommitted, parity; (2) latest-ux-pain-digest INSERT-based claim route (descoped from D1); (3) wire venus to the shared whey host relay daemon. BLOCKED on canonical SSOT sidecar shape + Elazar relay-owner pick. · venus