diff --git a/workplans/HOH-WP-0001-closing-routine-and-pqrst.md b/workplans/HOH-WP-0001-closing-routine-and-pqrst.md
index 918a3c3..23fb27e 100644
--- a/workplans/HOH-WP-0001-closing-routine-and-pqrst.md
+++ b/workplans/HOH-WP-0001-closing-routine-and-pqrst.md
@@ -18,6 +18,7 @@ parent_workplan: PQRST-WP-0002
 related:
   - PQRST-WP-0002
   - HOH-WP-ADHOC-2026-09-05
+state_hub_workstream_id: "c496866e-7f09-530b-b5a0-b28d512a11c1"
 ---
 
 # Specify the session-closing routine and carry a PQRST record in each seat
@@ -50,6 +51,7 @@ estimate is in canonical form.
 id: HOH-WP-0001-T01
 status: todo
 priority: high
+state_hub_task_id: "440a3b46-c3b2-526f-aec6-86831b31eed2"
 ```
 
 Create `CLOSING.md` in the repo root: the closing routine in order, one page.
@@ -79,6 +81,7 @@ of `ENTRY.md`, and from the **Close** section of `AGENTS.md`.
 id: HOH-WP-0001-T02
 status: todo
 priority: high
+state_hub_task_id: "664af0b9-365e-52c5-9dd0-917e47747abc"
 ```
 
 Both halves, since either alone is useless:
@@ -98,6 +101,7 @@ sections list) to match.
 id: HOH-WP-0001-T03
 status: todo
 priority: high
+state_hub_task_id: "40f75cdb-8e66-5764-8e17-cfcccdaed23a"
 ```
 
 In `scripts/check-entries.py`: when `pqrst_estimate` is present, validate the
@@ -113,6 +117,7 @@ adoption date. Human seats are exempt.
 id: HOH-WP-0001-T04
 status: todo
 priority: medium
+state_hub_task_id: "981aaad7-6db9-55dd-a8af-bf5fedd590e3"
 ```
 
 The 2026-09-05 Codex seat carries `pqrst_estimate: 30/23/18/19/10`. Rewrite it