diff --git a/WORK-RECORDS.md b/WORK-RECORDS.md
index 2a4a3fd..0adf0b9 100644
--- a/WORK-RECORDS.md
+++ b/WORK-RECORDS.md
@@ -25,6 +25,7 @@
 | workplan | CB-WP-0015 | done | — | workplans/CB-WP-0015-the-inert-clauses.md |
 | workplan | CB-WP-0016 | done | — | workplans/CB-WP-0016-the-drop-target.md |
 | workplan | CB-WP-0017 | done | — | workplans/CB-WP-0017-legible-interaction.md |
+| workplan | CB-WP-0018 | done | — | workplans/CB-WP-0018-the-browser-is-a-client.md |
 | task | CB-WP-0001-T01 | done | — | workplans/CB-WP-0001-inner-loop.md |
 | task | CB-WP-0001-T02 | done | — | workplans/CB-WP-0001-inner-loop.md |
 | task | CB-WP-0001-T03 | done | — | workplans/CB-WP-0001-inner-loop.md |
@@ -117,3 +118,7 @@
 | task | CB-WP-0017-T02 | done | — | workplans/CB-WP-0017-legible-interaction.md |
 | task | CB-WP-0017-T03 | done | — | workplans/CB-WP-0017-legible-interaction.md |
 | task | CB-WP-0017-T04 | done | — | workplans/CB-WP-0017-legible-interaction.md |
+| task | CB-WP-0018-T01 | done | — | workplans/CB-WP-0018-the-browser-is-a-client.md |
+| task | CB-WP-0018-T02 | done | — | workplans/CB-WP-0018-the-browser-is-a-client.md |
+| task | CB-WP-0018-T03 | done | — | workplans/CB-WP-0018-the-browser-is-a-client.md |
+| task | CB-WP-0018-T04 | done | — | workplans/CB-WP-0018-the-browser-is-a-client.md |
diff --git a/workplans/CB-WP-0018-the-browser-is-a-client.md b/workplans/CB-WP-0018-the-browser-is-a-client.md
index e125086..fcba594 100644
--- a/workplans/CB-WP-0018-the-browser-is-a-client.md
+++ b/workplans/CB-WP-0018-the-browser-is-a-client.md
@@ -3,6 +3,7 @@ id: CB-WP-0018
 kind: product
 title: "The browser is a client: game over, a log, and where a drop goes"
 status: done
+state_hub_workstream_id: "8a87aaec-1fd1-4faa-87d9-e10220adf45c"
 ---
 
 # Purpose
@@ -60,6 +61,7 @@ refuses to say what happened and the player is left to infer it.
 id: CB-WP-0018-T01
 status: done
 priority: high
+state_hub_task_id: "5654aae5-dc87-4621-8061-6492f626f1c1"
 ```
 
 When `play()` returns — **`Ok` or `Err`** — the browser must be told, on
@@ -167,6 +169,7 @@ against a face-down problem, or against a suit the seat cannot match?**
 id: CB-WP-0018-T02
 status: done
 priority: high
+state_hub_task_id: "1ed3e87a-2a21-4b08-9a3a-2bbf69268dec"
 ```
 
 Requested: *"a game log about the events that have been generated and a
@@ -237,6 +240,7 @@ the question of whether the move should be offered at all.
 id: CB-WP-0018-T03
 status: done
 priority: high
+state_hub_task_id: "f603476c-8fc3-46c4-9897-361d243cec5d"
 ```
 
 Requested: *"an overlay arrow pointing to the droptarget element with an
@@ -275,6 +279,7 @@ offers two attack targets on purpose and both go red.
 id: CB-WP-0018-T04
 status: done
 priority: high
+state_hub_task_id: "590f5eb7-b2c9-468d-8db7-4dede4e95371"
 ```
 
 CB-EV-0015 §5 recommended and did not make the change, on the grounds that