chore: close KAIZEN-WP-0008 — fix gitea links and sync brief

Replace placeholder gitea.example URLs with gitea.coulomb.social in
engagement docs; apply fix-consistency brief writeback.

.custodian-brief.md

@@ -2,21 +2,12 @@
 # Custodian Brief — kaizen-agentic
 
 **Domain:** custodian
-**Last synced:** 2026-06-18 08:54 UTC
+**Last synced:** 2026-06-18 09:03 UTC
 **State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
 
 ## Active Workstreams
 
-### Coulomb-loop supplier engagement (customer-repo playbook)
-Progress: 4/10 done  |  workstream_id: `80f473eb-d052-4f50-a633-806f03c469be`
-
-**Open tasks:**
-- · Document customer engagement repo layout  `177bb16c`
-- · ADR-006 customer engagement convention  `5c06cdd9`
-- · Tests  `f45077ea`
-- · Absorb supplier-notes into playbook v1  `0ef49fb5`
-- · ActivityDefinition override manifest  `c9bee570`
-- · Documentation release  `052a592b`
+*(none — repo may need first-session setup)*
 
 ---
 ## MCP Orientation (when available)

docs/integrations/customer-engagement-playbook.md

@@ -1,7 +1,7 @@
 # Customer Engagement Playbook v1 (supplier)
 
 How kaizen-agentic supports a **customer engagement repo** (reference:
-[coulomb-loop](https://gitea.example/coulomb/coulomb-loop)). Second engagements
+[coulomb-loop](https://gitea.coulomb.social/coulomb/coulomb-loop)). Second engagements
 should copy [customer-engagement-repo-layout.md](customer-engagement-repo-layout.md)
 and complete the checklist in one session.
 
@@ -74,7 +74,7 @@ kaizen-agentic schedule init --engagement <slug> --bootstrap-cadence weekly --fo
 
 ## Reference implementation
 
-- Customer: [coulomb-loop INTENT](https://gitea.example/coulomb/coulomb-loop/blob/main/INTENT.md)
+- Customer: [coulomb-loop INTENT](https://gitea.coulomb.social/coulomb/coulomb-loop/src/branch/main/INTENT.md)
 - Supplier workplan: [KAIZEN-WP-0008](../../workplans/kaizen-agentic-WP-0008-coulomb-loop-supplier-engagement.md)
 - Convention: [ADR-006](../adr/ADR-006-customer-engagement-convention.md)
 

docs/integrations/customer-engagement-repo-layout.md

@@ -2,7 +2,7 @@
 
 Contract for a **customer engagement repository** that orchestrates kaizen
 improvement loops across a fleet roster. Reference implementation:
-[coulomb-loop](https://gitea.example/coulomb/coulomb-loop) (`coulomb_social` domain).
+[coulomb-loop](https://gitea.coulomb.social/coulomb/coulomb-loop) (`coulomb_social` domain).
 
 Supplier agents and CLI live in `kaizen-agentic`. Runtime `.kaizen/` state lives
 in **target repos**, not in the customer repo.