diff --git a/.custodian-brief.md b/.custodian-brief.md
index 768ee66..1ffb9de 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,16 +2,15 @@
 # Custodian Brief — ops-mason
 
 **Domain:** infotech  
-**Last synced:** 2026-10-08 20:18 UTC  
+**Last synced:** 2026-10-08 21:21 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 ### Materialize SecurityCases from their type, with acceptance as the only gate
-Progress: 0/4 done  |  workplan_id: `eabf2c39-94bd-5a11-8f2e-76d7a95d1583`
+Progress: 1/4 done  |  workplan_id: `eabf2c39-94bd-5a11-8f2e-76d7a95d1583`
 
 **Open tasks:**
-- ! Tasks  `3382ea7b`
 - ! T01 — Define the type's materialization section  `fd385537`
 - ! T02 — Render a construction plan from a case  `56cea6be`
 - ! T03 — Build from an accepted case  `f6ad0d3c`
diff --git a/workplans/MASON-WP-0010-security-case-materialization.md b/workplans/MASON-WP-0010-security-case-materialization.md
index 63ddae6..488023a 100644
--- a/workplans/MASON-WP-0010-security-case-materialization.md
+++ b/workplans/MASON-WP-0010-security-case-materialization.md
@@ -4,7 +4,7 @@ type: workplan
 title: "Materialize SecurityCases from their type, with acceptance as the only gate"
 domain: infotech
 repo: ops-mason
-status: ready
+status: active
 flavor: implementation
 owner: claude-code
 topic_slug: netkingdom