ALL-974: contract artifacts backend v0-lite
blockedBackend child of ALL-970 filed by Lyra: Deal.contractArtifacts + contractStatus enum + signedAt for Phase 4 v0-lite manual upload/status. Linear: https://linear.app/texture/issue/ALL-974. Queue behind active P0 blockers ALL-963/ALL-964 unless Victor explicitly reprioritizes.
Event Timeline
created
status_change
queued → in_progress
failed
lease expired — re-queued for retry
in_progress → queued
status_change
queued → in_progress
status_change
in_progress → blocked