docs(reuse): establish reviewed NetKingdom security capabilities

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a137ca-5c77-7a71-b9ae-23ad9b0b5684

registry/indexes/capabilities.yaml

@@ -1,4 +1,19 @@
 version: 1
-updated: '2026-06-16'
+updated: '2026-10-14'
 domain: helix_forge
-capabilities: []
+capabilities:
+- id: capability.coordination.cross-owner-work
+  name: Cross-owner coordination lifecycle
+  summary: Observation, lease, wake-up, checkpoint and receipt contracts/runtime.
+  domain: infotech
+  status: draft
+  owner: coordination-engine
+  tags:
+  - security
+  - netkingdom
+  - framework-reuse
+  vector: D3 / A2 / C1 / R0
+  path: registry/capabilities/capability.coordination.cross-owner-work.md
+  consumption_modes:
+  - CLI
+  - source