diff --git a/.custodian-brief.md b/.custodian-brief.md
index 0387fab..d29ae39 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,30 +2,16 @@
 # Custodian Brief — mail-address-semantics
 
 **Domain:** communication  
-**Last synced:** 2026-10-07 22:14 UTC  
+**Last synced:** 2026-10-07 22:25 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 ### MAS v0.1 reference experiment
-Progress: 0/10 done  |  workplan_id: `17d1228a-bfd1-5fed-ac90-a314b64f6f5b`
+Progress: 9/10 done  |  workplan_id: `17d1228a-bfd1-5fed-ac90-a314b64f6f5b`
 
 **Open tasks:**
-- · Milestone 0 — Establish the implementation baseline  `4cd7534b`
-- · Milestone 1 — Core parser and model  `099c957c`
-- · Milestone 2 — Statute model and linting  `90f803d5`
-- · Milestone 3 — Exact-host discovery  `c220fde2`
-- · Milestone 4 — Policy resolver  `940a1636`
-- · Milestone 5 — `mas` CLI  `6aedba08`
-- · Milestone 6 — Static statute deployment  `bb1e8e08`
-- … and 3 more open tasks
-
-### Bootstrap State Hub integration
-Progress: 1/3 done  |  workplan_id: `fa608a5b-21bf-535d-9e7f-ac3ac4e798dd`
-
-**Open tasks:**
-- · Review Generated Integration Files  `84104dd8`
-- · Verify Local Developer Workflow  `67aefc29`
+- ► Milestone 9 — Experiment review  `31bbfb56`
 
 ## Inbox Hygiene