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 +1,20 @@
 version: 1
-updated: '2026-06-16'
+updated: '2026-07-06'
 domain: helix_forge
-capabilities: []
+capabilities:
+- id: capability.agents.cli-assistant
+  name: Console-Native LLM Assistant (cya)
+  summary: Console-native, backend-agnostic assistant CLI that expresses user intent in natural language
+    and returns safe, explainable, context-aware help.
+  vector: D2 / A2 / C1 / R0
+  domain: agents
+  status: draft
+  owner: can-you-assist
+  path: registry/capabilities/capability.agents.cli-assistant.md
+  tags:
+  - cli
+  - assistant
+  - llm
+  - safety
+  consumption_modes:
+  - cli