diff --git a/.custodian-brief.md b/.custodian-brief.md
index 1fa54fc..2dea5f1 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,16 +2,27 @@
 # Custodian Brief — infospace-bench
 
 **Domain:** markitect  
-**Last synced:** 2026-05-17 16:18 UTC  
+**Last synced:** 2026-05-17 16:54 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
-### Lefevre EPUB3 Infospace Readiness Pilot
-Progress: 3/7 done  |  workstream_id: `23be7d20-b01f-4b17-9851-4d540e4c0984`
+### Budget and Usage Registry for Infospaces
+Progress: 0/7 done  |  workstream_id: `063c6285-a56e-476b-8666-109d6fa35858`
+
+**Open tasks:**
+- · T01 — Plan snapshot persistence  `7f1a4e0a`
+- · T02 — Usage rollup from run records  `a612f8d4`
+- · T03 — Cost computation from a rate table  `688c590d`
+- · T04 — Plan-vs-actual variance and surfacing  `c6adc4fb`
+- · T05 — State-hub token-event emission  `968bca1d`
+- · T06 — Workspace-level rollup CLI  `7cb34bfc`
+- · T07 — Archive integration  `b97906e0`
+
+### Lefevre EPUB3 Infospace Readiness Pilot
+Progress: 4/7 done  |  workstream_id: `23be7d20-b01f-4b17-9851-4d540e4c0984`
 
 **Open tasks:**
-- · Trading-literature profile  `1a1b8fde`
 - · Deterministic Lefevre acceptance fixture  `c9bbc84e`
 - · OpenRouter live-run guardrails  `c6bf97c3`
 - · Example output and review policy  `5ff1f11e`