docs: close legacy message reconciliation

Assistant: codex
Assistant-Model: gpt-5.6-sol
Assistant-Session: 01a0230c-b06c-7641-808a-e191b6d1da49

WORK-RECORDS.md

@@ -15,7 +15,7 @@
 | workplan | HUB-WP-0005 | finished | — | workplans/HUB-WP-0005-core-hub-absorption-execution.md |
 | workplan | HUB-WP-0006 | active | — | workplans/HUB-WP-0006-repository-classification-navigation.md |
 | workplan | HUB-WP-0007 | finished | — | workplans/HUB-WP-0007-workload-projection-transport.md |
-| workplan | HUB-WP-0008 | active | — | workplans/HUB-WP-0008-legacy-message-identity-reconciliation.md |
+| workplan | HUB-WP-0008 | finished | — | workplans/HUB-WP-0008-legacy-message-identity-reconciliation.md |
 | task | HUB-WP-0001-T01 | done | — | workplans/HUB-WP-0001-statehub-bootstrap.md |
 | task | HUB-WP-0001-T02 | done | — | workplans/HUB-WP-0001-statehub-bootstrap.md |
 | task | HUB-WP-0001-T03 | done | — | workplans/HUB-WP-0001-statehub-bootstrap.md |
@@ -55,4 +55,4 @@
 | task | HUB-WP-0008-T02 | done | — | workplans/HUB-WP-0008-legacy-message-identity-reconciliation.md |
 | task | HUB-WP-0008-T03 | done | — | workplans/HUB-WP-0008-legacy-message-identity-reconciliation.md |
 | task | HUB-WP-0008-T04 | done | — | workplans/HUB-WP-0008-legacy-message-identity-reconciliation.md |
-| task | HUB-WP-0008-T05 | wait | — | workplans/HUB-WP-0008-legacy-message-identity-reconciliation.md |
+| task | HUB-WP-0008-T05 | done | — | workplans/HUB-WP-0008-legacy-message-identity-reconciliation.md |

workplans/HUB-WP-0008-legacy-message-identity-reconciliation.md

@@ -4,7 +4,7 @@ type: workplan
 title: "Legacy message identity reconciliation"
 domain: infotech
 repo: hub-core
-status: active
+status: finished
 owner: codex
 topic_slug: custodian
 created: "2026-08-23"
@@ -103,7 +103,7 @@ service, model, migration, router, and CLI surfaces.
 
 ```task
 id: HUB-WP-0008-T05
-status: wait
+status: done
 priority: high
 ```
 
@@ -111,13 +111,20 @@ Publish the canonical mapping for `CUST-IN-0012`, provide a value-safe
 migration/apply procedure to the State Hub retirement owner, verify the
 supported read transition, and notify Custodian with non-secret evidence.
 
-Local handoff material is complete in
-`docs/message-identity-reconciliation.md`. Production registration remains
-`wait`: State Hub owns a separate Alembic history and must port migration 0005
-into that chain before adopting the new router. The canonical message is
-already read, so there is no urgent message mutation and no justification for
-direct database access. After the host migration/deploy, register the exact
-alias through the confirmed CLI and verify both canonical and alias reads.
+Completed 2026-08-23. Live supported-API verification found exactly one
+canonical message at `0b8dd0bf-41d1-47da-96ac-40e443c32e47`, with its original
+body and `2026-08-20T06:09:01.943176Z` creation time intact and `read_at` set to
+`2026-08-22T23:16:34.490006Z`. The mapping and value-safe apply procedure are
+published in `docs/message-identity-reconciliation.md`. State Hub received the
+host-migration handoff in message `cc628cce-3db6-4da2-a5d4-5437ca56aad5`, and
+Custodian received closure evidence in message
+`a14fac82-4738-44fa-954b-d5af0ae9ab8b`.
+
+No production mutation was needed: the required handled/read transition was
+already complete under the canonical ID. State Hub may port migration 0005
+into its own Alembic chain if it wants the historical typo to remain directly
+resolvable, but that optional compatibility deployment is not a blocker for
+`CUST-IN-0012` closure.
 
 ## Acceptance
 
@@ -125,4 +132,4 @@ alias through the confirmed CLI and verify both canonical and alias reads.
 - [x] Explicit aliases are durable, attributable, and conflict-safe
 - [x] Message operations preserve the canonical response identity
 - [x] No message content, chronology, or thread relationship is rewritten
-- [ ] `CUST-IN-0012` closure evidence reaches Custodian
+- [x] `CUST-IN-0012` closure evidence reaches Custodian