diff --git a/workplans/CUST-WP-0041-api-performance.md b/workplans/CUST-WP-0041-api-performance.md
index b76ca76..b7483f3 100644
--- a/workplans/CUST-WP-0041-api-performance.md
+++ b/workplans/CUST-WP-0041-api-performance.md
@@ -187,7 +187,7 @@ The detail endpoints (`GET /topics/{id}`) keep `TopicRead` (full schema).
 
 ```task
 id: CUST-WP-0041-T4
-status: todo
+status: done
 priority: medium
 depends_on: [CUST-WP-0041-T2]
 state_hub_task_id: "20213c08-da5b-4ecf-9219-017969c2200b"