Draft capability entry (reuse-surface REUSE-WP-0017-T04, cohort 3)

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.agents.custodian-runtime-tooling
+  name: Custodian Runtime And Repo-Classification Tooling
+  summary: 'Generic tooling from The Custodian''s runtime and ecosystem-management surface: an agent runtime
+    framework (context, actions, tool adapters, policies) and repo-classification batch tooling used across
+    the workstation''s 61 repos.'
+  vector: D2 / A1 / C1 / R0
+  domain: custodian
+  status: draft
+  owner: the-custodian
+  path: registry/capabilities/capability.agents.custodian-runtime-tooling.md
+  tags:
+  - agents
+  - runtime
+  - classification
+  consumption_modes:
+  - library import (runtime/)
+  - cli (tools/ scripts)