Sync federation state after core-hub registration and hub compose.

Pull hub-enabled sources via hub sync (inter-hub excluded), mark
core-hub hub_registered, note inter-hub retirement on the roster, and
refresh federated.yaml to 53 capabilities matching production.

registry/federation/sources.yaml

@@ -62,12 +62,7 @@ sources:
   url: https://gitea.coulomb.social/coulomb/config-atlas/raw/main/registry/indexes/capabilities.yaml
   enabled: true
   required: false
-  domain: helix_forge
-  description: >-
-    Configuration Surface Atlas. Owns the `surface.*` id namespace (configuration
-    surfaces in registry/indexes/surfaces.yaml) as a typed sibling of `capability.*`;
-    only its capability index is federated here. Raw URL returns 303 until publish
-    is resolved (same block as state-hub/feature-control).
+  domain: infotech
   cache_ttl_seconds: 86400
   auth_header: Authorization
 - repo: coordination-engine
@@ -189,13 +184,6 @@ sources:
   domain: helix_forge
   cache_ttl_seconds: 86400
   auth_header: Authorization
-- repo: inter-hub
-  url: https://gitea.coulomb.social/coulomb/inter-hub/raw/main/registry/indexes/capabilities.yaml
-  enabled: true
-  required: false
-  domain: helix_forge
-  cache_ttl_seconds: 86400
-  auth_header: Authorization
 - repo: issue-core
   url: https://gitea.coulomb.social/coulomb/issue-core/raw/main/registry/indexes/capabilities.yaml
   enabled: true