feat(bootstrap): complete ATLAS-WP-0001 State Hub integration

Customize config-atlas identity (INTENT, SCOPE, AGENTS, rules), document
dev workflow commands, remove inherited repo-seed workplans, and add
ATLAS-WP-0002 registry foundation workplan.

.claude/rules/repo-boundary.md

@@ -1,8 +1,11 @@
 ## Repo boundary
 
-This repo owns **Repo Seed** only. It does not own:
+This repo owns **config-atlas** only — the federated configuration surface
+registry and its documentation. It does not own:
 
-<!-- TODO: List what belongs in adjacent repos, e.g.:
-- SSH key management → railiance-infra/
-- State hub code     → state-hub/
--->
+- Repo template bootstrap (`repo-seed`)
+- Capability reuse registry (`reuse-surface`)
+- Secret storage or live config values (`railiance-platform` / OpenBao)
+- Feature flag control plane (`feature-control`)
+- State Hub implementation (`state-hub`)
+- Deployment and infrastructure execution (`railiance-infra`, `ops-bridge`)