Add coulomb-loop pilot schedule opt-in and supplier engagement workplan.

Commit ADR-005 schedule manifest for hourly bootstrap phase and KAIZEN-WP-0008
to support the coulomb-loop customer engagement.

.custodian-brief.md

@@ -2,12 +2,23 @@
 # Custodian Brief — kaizen-agentic
 
 **Domain:** custodian
-**Last synced:** 2026-06-16 23:04 UTC
+**Last synced:** 2026-06-18 02:54 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)*
+### Coulomb-loop supplier engagement (customer-repo playbook)
+Progress: 1/10 done  |  workstream_id: `80f473eb-d052-4f50-a633-806f03c469be`
+
+**Open tasks:**
+- · Document customer engagement repo layout  `177bb16c`
+- · Playbook skeleton  `90bd0fc2`
+- · metrics record --emit-event  `26ee0f8d`
+- · schedule init --engagement  `62324bd2`
+- · ADR-006 customer engagement convention  `5c06cdd9`
+- · Tests  `f45077ea`
+- · Absorb supplier-notes into playbook v1  `0ef49fb5`
+- … and 2 more open tasks
 
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 ## MCP Orientation (when available)