diff --git a/.custodian-brief.md b/.custodian-brief.md
index 350fd03..c082e5b 100644
--- a/.custodian-brief.md
+++ b/.custodian-brief.md
@@ -2,7 +2,7 @@
 # Custodian Brief — open-cmis-tck
 
 **Domain:** markitect  
-**Last synced:** 2026-05-07 15:06 UTC  
+**Last synced:** 2026-05-07 19:00 UTC  
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
@@ -16,17 +16,16 @@ Progress: 8/11 done  |  workstream_id: `1d812b7d-74f0-4d71-86a7-0f390b22daf7`
 - · D1.10 - Compliance Evidence Pack Strategy  `2f845860`
 
 ### OpenCMIS TCK Harness Foundation
-Progress: 0/8 done  |  workstream_id: `276483ee-1497-495b-8710-fd8bb7dace22`
+Progress: 1/8 done  |  workstream_id: `276483ee-1497-495b-8710-fd8bb7dace22`
 
 **Open tasks:**
-- · D1.1 - Repository Foundation  `add6a26d`
+- ► D1.3 - Preflight Probe  `6d45885b`
+- ► D1.4 - OpenCMIS TCK Runner Wrapper  `502d7586`
+- ► D1.6 - Capability Mapping And Reports  `9f7dacc5`
 - · D1.2 - Target Profile Schema  `2ccc74a7`
-- · D1.3 - Preflight Probe  `6d45885b`
-- · D1.4 - OpenCMIS TCK Runner Wrapper  `502d7586`
 - · D1.5 - Result Normalization  `716486b6`
-- · D1.6 - Capability Mapping And Reports  `9f7dacc5`
 - · D1.7 - Optional Local Service API  `a05e47bd`
-- … and 1 more open tasks
+- · D1.8 - Historical Result Retention  `c27ea43f`
 
 ---
 ## MCP Orientation (when available)