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/indexes/federated.yaml

@@ -109,10 +109,6 @@ sources:
   count: 1
   url: https://gitea.coulomb.social/coulomb/infospace-bench/raw/main/registry/indexes/capabilities.yaml
   cache: registry/federation/cache/infospace-bench.yaml
-- repo: inter-hub
-  count: 1
-  url: https://gitea.coulomb.social/coulomb/inter-hub/raw/main/registry/indexes/capabilities.yaml
-  cache: registry/federation/cache/inter-hub.yaml
 - repo: issue-core
   count: 0
   url: https://gitea.coulomb.social/coulomb/issue-core/raw/main/registry/indexes/capabilities.yaml
@@ -875,28 +871,6 @@ capabilities:
   source_repo: email-connect
   source_url: https://gitea.coulomb.social/coulomb/email-connect/raw/main/registry/indexes/capabilities.yaml
   source_index: registry/federation/cache/email-connect.yaml
-- id: capability.infotech.interaction-hub-framework
-  name: Interaction Hub Framework (IHF)
-  summary: Specification and reference implementation of a governed, observable interaction
-    substrate connecting rendered UI widgets to structured feedback, requirements,
-    decisions, implementation changes, and observed outcomes. Retired (Haskell/IHP
-    build-chain problems); superseded by core-hub.
-  vector: D5 / A1 / C3 / R0
-  domain: infotech
-  status: deprecated
-  owner: inter-hub
-  path: registry/capabilities/capability.infotech.interaction-hub-framework.md
-  tags:
-  - interaction
-  - governance
-  - ihp
-  - haskell
-  - retired
-  consumption_modes:
-  - application
-  source_repo: inter-hub
-  source_url: https://gitea.coulomb.social/coulomb/inter-hub/raw/main/registry/indexes/capabilities.yaml
-  source_index: registry/federation/cache/inter-hub.yaml
 - id: capability.infotech.oss-integration-continuity
   name: Managed Continuity For OSS Integrations
   summary: Turns proven open-source integrations into structured, maintainable, continuously