diff --git a/.custodian-brief.md b/.custodian-brief.md
index acdd1be..6c67f26 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,12 +2,81 @@
 # Custodian Brief — net-kingdom
 
 **Domain:** netkingdom  
-**Last synced:** 2026-05-20 20:52 UTC  
+**Last synced:** 2026-05-22 17:24 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)*
+### User Engine Preparation And Boundary Contracts
+Progress: 0/6 done  |  workstream_id: `b9bf56bc-7ef6-43eb-badc-fa0f4896c63c`
+
+**Open tasks:**
+- · Tasks  `4e941174`
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+- · Tasks  `04fd2f92`
+
+### User Engine Isolated MVP
+Progress: 0/7 done  |  workstream_id: `343e035d-41e1-4fc4-b209-6872e4a5fdc8`
+
+**Open tasks:**
+- · Tasks  `81a88eaa`
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+- · Tasks  `cedd6319`
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+- · Tasks  `d627db12`
+- · Tasks  `803e979d`
+
+### User Engine Multi-Tenancy
+Progress: 0/7 done  |  workstream_id: `2d592e18-e63d-4856-97a1-f8c3e019e150`
+
+**Open tasks:**
+- · Tasks  `d4bb49a9`
+- · Tasks  `4a9083c0`
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+- · Tasks  `dc0fc00a`
+- · Tasks  `17460786`
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+- · Tasks  `187cdc5d`
+
+### User Engine Multi-Application And Catalog Support
+Progress: 0/7 done  |  workstream_id: `08398d26-cadf-44bc-97ee-67da790040e6`
+
+**Open tasks:**
+- · Tasks  `9363492d`
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+- · Tasks  `09f38d5c`
+
+### User Engine Integrated Test Scenarios
+Progress: 0/7 done  |  workstream_id: `6f75035a-e056-4eab-8fdb-00a18bacdf87`
+
+**Open tasks:**
+- · Tasks  `6da86ef6`
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+- · Tasks  `a46e6e78`
+
+### User Engine Implementation Assessment And Polish
+Progress: 0/7 done  |  workstream_id: `d2daa8b4-8ecf-4377-b382-492e653735f7`
+
+**Open tasks:**
+- · Tasks  `116b5362`
+- · Tasks  `08bd8ca3`
+- · Tasks  `b8ff89a1`
+- · Tasks  `f57d87d7`
+- · Tasks  `42a01f4e`
+- · Tasks  `7838d62b`
+- · Tasks  `19569b30`
 
 ---
 ## MCP Orientation (when available)