Complete DISCTL-WP-0001: bootstrap State Hub integration

Replace repo-seed template identity with disaster-control across
AGENTS.md, SCOPE.md, and .claude/rules. Archive REPO-WP template
workplans. Document dev workflow and classification. Mark WP-0001 finished.

.claude/rules/repo-boundary.md

@@ -1,8 +1,12 @@
 ## Repo boundary
 
-This repo owns **Repo Seed** only. It does not own:
+This repo owns **disaster-control** (Resilience Control Plane) only.
 
-<!-- TODO: List what belongs in adjacent repos, e.g.:
-- SSH key management → railiance-infra/
-- State hub code     → state-hub/
--->
+| Concern | Owner repo |
+| --- | --- |
+| Backup scripts (`railiance-backup`, `forgejo-backup`, `-s1`, `-s2`) | `railiance-platform`, `railiance-cluster`, `railiance-infra` |
+| Forgejo restore orchestration | `railiance-infra` |
+| State Hub code | `state-hub` |
+| SSH certificates | `ops-warden` |
+| Application runtime | `railiance-apps`, product repos |
+| Repo template / `statehub register` | `repo-seed` |