diff --git a/.custodian-brief.md b/.custodian-brief.md
index 8a2f292..bd469b4 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — ground-game
 
 **Domain:** consumer  
-**Last synced:** 2026-08-05 13:23 UTC  
+**Last synced:** 2026-08-05 17:25 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -17,6 +17,9 @@ Progress: 0/5 done  |  workplan_id: `998e00a0-cdc8-4e1d-879b-7df0858d26dc`
 - · Task: 4p coalitions full game  `9a048533`
 - · Task: write playtest notes back into repo  `0b5d2785`
 
+### clay-borg difficulty measurement, 2026-08-05 — and a retraction of what we nearly sent instead
+Progress: no tasks done  |  workplan_id: `61cabf31-88a8-4ca6-9383-55b8fccddecf`
+
 ### clay-borg finding report, 2026-08-05 — one withdrawal, and ten rulings we had not collected
 Progress: no tasks done  |  workplan_id: `09350395-f628-4d8e-8c36-3cea330a8b6f`