diff --git a/workplans/ADAPTIVE-WP-0010-plan-derived-guardrail-ceilings.md b/workplans/ADAPTIVE-WP-0010-plan-derived-guardrail-ceilings.md
index e165113..95710fb 100644
--- a/workplans/ADAPTIVE-WP-0010-plan-derived-guardrail-ceilings.md
+++ b/workplans/ADAPTIVE-WP-0010-plan-derived-guardrail-ceilings.md
@@ -68,6 +68,8 @@ T01 produces a shape both repos accept.
 ```task
 id: ADAPTIVE-WP-0010-T01
 status: wait
+blocked_on: message-from:tenant-engine
+blocking_reason: "Feed shape agreed jointly with tenant-engine."
 priority: high
 state_hub_task_id: "7533431c-a0de-5ac8-a811-14e4604ad651"
 ```
@@ -129,6 +131,8 @@ were changed by this review.
 ```task
 id: ADAPTIVE-WP-0010-T02
 status: wait
+depends_on: [ADAPTIVE-WP-0010-T01]
+blocking_reason: "Blocked on T01."
 priority: medium
 state_hub_task_id: "7bd4dace-3505-5c68-977d-f80b30aebc77"
 ```
@@ -148,6 +152,8 @@ if the field is named or shaped like an allowance, it will be read as one.
 ```task
 id: ADAPTIVE-WP-0010-T03
 status: wait
+depends_on: [ADAPTIVE-WP-0010-T02]
+blocking_reason: "Blocked on T02."
 priority: medium
 state_hub_task_id: "46e49880-21ff-580f-a2ad-82c8f1401afc"
 ```
@@ -166,6 +172,8 @@ Boundary-engine rules, explainable in the existing style:
 ```task
 id: ADAPTIVE-WP-0010-T04
 status: wait
+depends_on: [ADAPTIVE-WP-0010-T02]
+blocking_reason: "Blocked on T02."
 priority: medium
 state_hub_task_id: "a3eeffa6-57b0-5dc1-8b07-4b9b2a3d3534"
 ```