Add container smoke acceptance

.custodian-brief.md

@@ -1,17 +1,16 @@
 <!-- custodian-brief: generated by fix-consistency — do not edit manually -->
 # Custodian Brief — guide-board
 
-**Domain:** markitect  
-**Last synced:** 2026-05-15 12:41 UTC  
+**Domain:** markitect
+**Last synced:** 2026-05-15 12:43 UTC
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
 ### Assessment Operations Baseline
-Progress: 4/6 done  |  workstream_id: `fc5b1573-91b2-4a19-b6a9-dd4d17057d9b`
+Progress: 5/6 done  |  workstream_id: `fc5b1573-91b2-4a19-b6a9-dd4d17057d9b`
 
 **Open tasks:**
-- ► D2.5 - Container Smoke Acceptance  `9e2e7fa7`
 - · D2.6 - External Extension Acceptance Path  `65fbf1df`
 
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