diff --git a/docs/state-hub-railiance01-cutover-phase5-2026-07-06.md b/docs/state-hub-railiance01-cutover-phase5-2026-07-06.md
index e4114a3..ec8274e 100644
--- a/docs/state-hub-railiance01-cutover-phase5-2026-07-06.md
+++ b/docs/state-hub-railiance01-cutover-phase5-2026-07-06.md
@@ -33,6 +33,23 @@ Parent runbook: `docs/state-hub-railiance01-cutover-plan.md`
 
 Kickoff sweep (`source=phase5-kickoff`): **exit_code=0**, 10 repos processed, 0 missing.
 
+## Day-1 check (2026-07-06T22:35Z)
+
+`tools/phase5-stabilization-check.sh` — all green:
+
+| Check | Result |
+| --- | --- |
+| `/state/health` + totals | **pass** — 640 workstreams / 4002 tasks / 14 topics |
+| railiance01 pod | **pass** — `state-hub-76fdffdc9d-dtvpb`, 0 restarts, age ~4h |
+| CNPG | **pass** — healthy 1/1 |
+| coulombcore rollback | **pass** — replicas=0 |
+| activity-core | **pass** — in-cluster URL; bridge replicas=0 |
+| Sweeps (last 6) | **pass** — exit_code=0, proc=11, missing=0 |
+| Daily triage | **pass** — last run 2026-07-06T17:50Z |
+| Tunnels | **pass** — `state-hub-primary` connected + LIVE |
+
+Window closes **2026-07-09 ~17:35 UTC** (~65h remaining at check time).
+
 ## Monitoring
 
 Run daily (or after incidents):
diff --git a/workplans/CUST-WP-0054-workstation-independence-and-fleet-realignment.md b/workplans/CUST-WP-0054-workstation-independence-and-fleet-realignment.md
index c6482fa..e0ed854 100644
--- a/workplans/CUST-WP-0054-workstation-independence-and-fleet-realignment.md
+++ b/workplans/CUST-WP-0054-workstation-independence-and-fleet-realignment.md
@@ -231,10 +231,12 @@ writer still frozen (rollback).
 `host_paths[239.62.205.92.host.secureserver.net]` registered, state-hub pod mounts
 clone tree + sweep hostname override, remote-all sweep exit_code=0 —
 `docs/state-hub-railiance01-cutover-phase4-2026-07-06.md`.
-**Phase 5 started** (2026-07-06): 72h stabilization window open; kickoff baseline
-green (640/4002/14, CNPG healthy, sweeps exit_code=0, coulombcore replicas=0) —
-`docs/state-hub-railiance01-cutover-phase5-2026-07-06.md`. Post-cutover daily triage verified (manual 2026-07-06T17:50Z, event `a99e644e`).
-Watch: Forgejo CI image promotion; 72h window through 2026-07-09.
+**Phase 5 in progress** (2026-07-06 → 2026-07-09): 72h stabilization window open;
+kickoff baseline green — `docs/state-hub-railiance01-cutover-phase5-2026-07-06.md`.
+Post-cutover daily triage verified (manual 2026-07-06T17:50Z, event `a99e644e`).
+Forgejo CI image promoted (`main-375961c`, Helm rev 7). Day-1 check (2026-07-06T22:35Z):
+640/4002/14, pod 0 restarts, 6/6 sweeps exit_code=0 proc=11 missing=0,
+`state-hub-primary` LIVE. Remaining: 72h window + operator coulombcore teardown sign-off.
 
 ## Task: Working-memory and sink path decoupling