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

Updated by fix-consistency on 2026-05-16:
  - update .custodian-brief.md for artifact-store

.custodian-brief.md

@@ -2,7 +2,7 @@
 # Custodian Brief — artifact-store
 
 **Domain:** stack  
-**Last synced:** 2026-05-16 21:07 UTC  
+**Last synced:** 2026-05-16 21:24 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -18,14 +18,11 @@ Progress: 0/5 done  |  workstream_id: `701c4d8c-5cf4-4a4a-ab60-1dcae53fe771`
 - · D5.5 - Operator Smoke Procedure For The Real Producer  `bffa3573`
 
 ### S3-Compatible Backend (Ceph RGW Target)
-Progress: 0/5 done  |  workstream_id: `d0526cfc-e532-431f-970d-f3e548d27a80`
+Progress: 4/5 done  |  workstream_id: `d0526cfc-e532-431f-970d-f3e548d27a80`
 
 **Open tasks:**
-- · D4.1 - Configuration Surface  `1db0d548`
-- · D4.2 - S3 Backend Implementation  `14b50595`
-- · D4.3 - Backend Selection And Routing  `725dafd6`
-- · D4.4 - Test Strategy: MinIO In CI, RGW As Documented Manual Smoke  `4fd7b73b`
-- · D4.5 - Verification Pass  `5a55546f`
+- ! D4.4 - Test Strategy: MinIO In CI, RGW As Documented Manual Smoke  `4fd7b73b`
+  *(blocked: Missing Python dependency/bootstrap path for MinIO testcontainers verification.)*
 
 ---
 ## MCP Orientation (when available)