diff --git a/.custodian-brief.md b/.custodian-brief.md
index 9383d5c..fb7ec95 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,11 +2,23 @@
 # Custodian Brief — markitect-tool
 
 **Domain:** markitect  
-**Last synced:** 2026-05-04 18:44 UTC  
+**Last synced:** 2026-05-04 19:43 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
+### CLI/API Polish And Practical Adoption
+Progress: 0/7 done  |  workstream_id: `077bc50c-360b-425a-a1ad-fd961f819422`
+
+**Open tasks:**
+- ► P17.1 - Audit CLI and API surface completeness  `1827fec2`
+- ► P17.2 - Provide shell completion and Unix-style command docs  `052b9684`
+- ► P17.3 - Provide generated API documentation  `8874078a`
+- ► P17.4 - Compile practical usecases and relevance expectations  `23fffff4`
+- · P17.5 - Build E2E fixture matrix  `1159ec82`
+- · P17.6 - Run coverage and performance iteration  `8dd5afe5`
+- · P17.7 - Improve first-use accessibility  `590af805`
+
 ### Render And Document Function Extensions
 Progress: 0/6 done  |  workstream_id: `a38f676a-0d0b-493c-9792-2e34480c3681`