diff --git a/workplans/USER-WP-0018-postgres-store-adapter.md b/workplans/USER-WP-0018-postgres-store-adapter.md
index a64896f..213efe9 100644
--- a/workplans/USER-WP-0018-postgres-store-adapter.md
+++ b/workplans/USER-WP-0018-postgres-store-adapter.md
@@ -14,6 +14,7 @@ updated: "2026-06-16"
 depends_on:
   - USER-WP-0016
   - USER-WP-0017
+state_hub_workstream_id: "192a3a0c-81af-4004-a466-bf670fa99212"
 ---
 
 # USER-WP-0018 - Postgres Store Adapter
@@ -41,6 +42,7 @@ observability.
 id: USER-WP-0018-T1
 status: done
 priority: high
+state_hub_task_id: "b1beac60-bc8f-4d00-9387-aecb5c721755"
 ```
 
 Add a Postgres adapter that implements the `UserEngineStore` protocol using the
@@ -50,6 +52,7 @@ generic record, audit, and outbox tables.
 id: USER-WP-0018-T2
 status: done
 priority: high
+state_hub_task_id: "794796a0-0851-44c1-a27a-18e037295cb7"
 ```
 
 Wire the adapter to `StoreRecord` serialization and deterministic record keys.
@@ -58,6 +61,7 @@ Wire the adapter to `StoreRecord` serialization and deterministic record keys.
 id: USER-WP-0018-T3
 status: done
 priority: high
+state_hub_task_id: "160909a7-f626-4afc-97e2-151eedc4f255"
 ```
 
 Support schema readiness, migration execution, transactions, audit reads,
@@ -67,6 +71,7 @@ pending outbox reads, and adapter-neutral record counts.
 id: USER-WP-0018-T4
 status: done
 priority: medium
+state_hub_task_id: "4eeb3043-28a3-46d0-b7da-563686e9e28b"
 ```
 
 Add a fake Postgres connection that runs the shared conformance harness without
@@ -76,6 +81,7 @@ requiring production infrastructure.
 id: USER-WP-0018-T5
 status: done
 priority: medium
+state_hub_task_id: "58a6d45d-7f27-477e-9ddf-0d734086db21"
 ```
 
 Document the provider boundary and remaining provider-backed conformance work.