Draft capability entry (reuse-surface REUSE-WP-0017-T04, cohort 1)

Honest first-pass maturity vector grounded in README/docs/tests present
in this repo; no invented evidence. Flagged for human review before
publish. See reuse-surface history/2026-07-06-coverage-classification.md.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

registry/indexes/capabilities.yaml

@@ -1,4 +1,21 @@
 version: 1
-updated: '2026-06-16'
+updated: '2026-07-06'
 domain: helix_forge
-capabilities: []
+capabilities:
+- 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.
+  vector: D3 / A1 / C1 / R0
+  domain: infotech
+  status: draft
+  owner: inter-hub
+  path: registry/capabilities/capability.infotech.interaction-hub-framework.md
+  tags:
+  - interaction
+  - governance
+  - ihp
+  - haskell
+  consumption_modes:
+  - application