Phase A — Hard Gate 0 + Baseline + Backup

Hard Gate 0 — Write channel probe

check	result
ssh contabo reachable	✓
docker exec postgres works	✓
psql -U workflow_admin -d directus works	✓
SELECT 1 channel_probe	1
BEGIN; CREATE TEMP TABLE; INSERT; SELECT; ROLLBACK;	DDL+DML OK, ddl_dml_ok=1

Baseline read of current Điều 39 case

field	value
cut_request_id	c7133284-a579-4266-aed8-c91f75a22283
status	cut_failed
copy_staging_record_id	e08d627f-e802-4a70-8262-9c7bf7c0a21a
manifest_staging_record_id	5ef349ac-830f-4851-be0a-bcca12bbb1f2
manifest_digest	9ad8ad53c225ac262cc5f9f4ecddd358
cut_run_id	c42ebc50-20eb-459e-9099-eb46638f63b1 (LEGACY fake state)
cut_done_at	2026-05-27 05:45:54.928814+00 (LEGACY fake state)
cut_verified_at	NULL
completed_at	NULL
mark_verdict	approved
manifest lifecycle_status	approved

The fact that cut_run_id and cut_done_at are non-NULL while status='cut_failed' is the failure-state bug — fn_cut_apply (pre-fix) wrote these unconditionally after the alias returned a refusal.

Gates at entry

key	value
iu_core.composer_enabled	false
queue.job_substrate.enabled	false
queue.heartbeat.enabled	true
queue.dlq.replay_enabled	false

Counts at entry

metric	value
iu_total (public.information_unit)	200
iu_dieu39_count (doc_code DIEU-39%)	0
iu_vector_sync_point count	152
event_outbox count	139900
production_documents	absent

Function md5 at entry

function	md5
fn_cut_apply	ce488b884200893e38ffb17bca4baceb
fn_cut_mark_staged_file	e85065acb9996623e0ef1f654d991df6
fn_cut_request_transition	c392d3e156159852a97889df1af04165
fn_iu_create	dcade99af1ef096892748c9f14082e11
fn_iu_cut_from_manifest	c5d556bc22cc2d255c0484b5a969ebc5
fn_iu_cut_preflight_validate	914e26d61de0de914408af5cdc679c07
fn_iu_op_cut	66b813e50205448eb01170aebec614df
fn_iu_op_verify_mark	bf20bd1929998073865808d17b1dd648
fn_iu_verify_mark	c9c0553f3184bfaa3f2ee5488b5ff46c

pg_dump backups (single TX migration window)

dump	size B	md5
pre /tmp/pre_verify_approve_cut_gate_fix.dump	84,391,933	0578a9f58820b29c50f8c3d1c089c9f3
post /tmp/post_verify_approve_cut_gate_fix.dump	84,397,741	2a454fda2be1f54528aa76991c48d74e
delta	+5,808 B	— function bodies only