chore(consistency): sync task status from DB [auto]

Updated by fix-consistency on 2026-06-03:
  - update .custodian-brief.md for activity-core

.custodian-brief.md

@@ -2,12 +2,21 @@
 # Custodian Brief — activity-core
 
 **Domain:** custodian  
-**Last synced:** 2026-05-14 22:06 UTC  
+**Last synced:** 2026-06-03 10:07 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
-*(none — repo may need first-session setup)*
+### Post-triage operational hardening
+Progress: 0/6 done  |  workstream_id: `5646e13a-13af-4724-bca6-3c0d86f96733`
+
+**Open tasks:**
+- · Task Status Canon Adaptation  `5d79e3da`
+- · Daily Triage Observability Runbook  `02c34443`
+- · Three-Run Calibration Feedback  `7cbf0a35`
+- · Rule Action Contract Documentation  `c9066d2e`
+- · Production Alerting And Failure Modes  `420ea629`
+- · Issue-Core Emission Boundary Verification  `78089aef`
 
 ---
 ## MCP Orientation (when available)