diff --git a/.custodian-brief.md b/.custodian-brief.md
index 5045ec1..3de9e3a 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,44 +2,29 @@
 # Custodian Brief — coulomb-loop
 
 **Domain:** coulomb_social  
-**Last synced:** 2026-06-18 10:09 UTC  
+**Last synced:** 2026-06-18 11:11 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 ### Reactive Quality Escalation (signal-driven improvement)
-Progress: 0/7 done  |  workstream_id: `d4d3b624-dad3-4e1d-9db3-e84548d133de`
+Progress: 5/7 done  |  workstream_id: `d4d3b624-dad3-4e1d-9db3-e84548d133de`
 
 **Open tasks:**
-- · Define escalation signals and thresholds  `f6f549e5`
-- · Draft low-success-rate ActivityDefinition  `a19c2ade`
-- · Specify event emitter contract  `6dbdb335`
-- · Hourly metrics sweep fallback  `604a9515`
 - · Wire activity-core and smoke test  `a5d8a6e1`
-- · test-maintenance escalation for CI-degraded repos  `206d33c2`
 - · Promote sweep to daily  `fa4205f4`
 
 ### Loop Regulator (second-order improvement)
-Progress: 0/9 done  |  workstream_id: `08970648-dbd8-48f6-9b3a-72f196013089`
+Progress: 7/9 done  |  workstream_id: `08970648-dbd8-48f6-9b3a-72f196013089`
 
 **Open tasks:**
-- · Define loop health model and state machine  `d3a9aa4c`
-- · Create loops directory structure  `3ae8f36f`
-- · Hourly loop-health-collector ActivityDefinition  `734c76b6`
-- · optimization-agent regulator session template  `e417226b`
-- · Hourly bootstrap collection  `9d4dc665`
-- · First cadence promotion decision  `e8fb9e66`
-- · Supplier customer-repo playbook  `9600bd31`
-- … and 2 more open tasks
+- · Promote regulator cadence  `e67820e4`
+- · Diminishing returns and repo rotation (ADR-004)  `431ebe91`
 
 ### Registry & Orientation Hygiene (fleet legibility)
-Progress: 0/7 done  |  workstream_id: `f3a4b60a-7bc2-400d-bf8a-e7209a9e45c4`
+Progress: 4/7 done  |  workstream_id: `f3a4b60a-7bc2-400d-bf8a-e7209a9e45c4`
 
 **Open tasks:**
-- · Define hygiene signals and rollout order  `cacc914e`
-- · Hourly registry gap sweep ActivityDefinition  `7c6b15cd`
-- · scope-analyst orientation template  `e8eb2700`
-- · Integrate SBOM staleness with hygiene roster  `09cec748`
 - · Hourly bootstrap on custodian pilot slice  `76029879`
 - · Expand domain batch  `f6e5a9d5`
 - · Promote cadence  `5b6bb667`