2026-10-09T09:54:34Z	preflight	started	none
2026-10-09T09:54:40Z	preflight	complete	exact_vm121_source_alembic_schema_and_candidate_verified
2026-10-09T09:54:40Z	backup	started	none
2026-10-09T09:54:42Z	backup	complete	vm121_agent_source_and_backend_database_backed_up
2026-10-09T09:54:42Z	apply	started	none
2026-10-09T09:55:36Z	apply	complete	runtime_activity_schema_and_best_effort_observer_applied
2026-10-09T09:55:36Z	postcheck	started	none
2026-10-09T09:55:40Z	postcheck	complete	runtime_activity_contract_passed_without_vm100_mutation
2026-10-09T09:55:40Z	source_publish	started	none
2026-10-09T09:57:04Z	source_publish	complete	vm121_machine_git_github_roundtrip_published_exact_target_tree
2026-10-09T09:57:04Z	report_build	started	none