diff --git a/.custodian-brief.md b/.custodian-brief.md
index b70d03c..9b01dad 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,17 +2,16 @@
 # Custodian Brief — whitehat-security
 
 **Domain:** infotech  
-**Last synced:** 2026-08-21 21:52 UTC  
+**Last synced:** 2026-08-21 22:43 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 ### Produce the adversarial evidence the Tenancy Posture ladders require
-Progress: 2/7 done  |  workplan_id: `ecc16edc-9f9b-4fc4-8fb1-96b947a59299`
+Progress: 3/7 done  |  workplan_id: `ecc16edc-9f9b-4fc4-8fb1-96b947a59299`
 
 **Open tasks:**
 - ► T03 — Differential cross-tenant harness (the E2 artifact)  `742561f1`
-- ► T04 — Prove the probes fail  `a2afc0f5`
 - ► T05 — RLS conformance under attack (the E3 artifact)  `6df676e7`
 - ► T06 — Noisy-neighbour characterisation (the P1/P2 artifact)  `99254ab5`
 - ► T07 — Reporting into risk-nexus  `54f33288`