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

@@ -1,19 +1,23 @@
 version: 1
-updated: '2026-06-16'
+updated: '2026-10-14'
 domain: helix_forge
 capabilities:
 - id: capability.activity.event-coordinate
-  name: Organizational Event Coordination
-  summary: Coordinate structured responses to cross-domain events through activity
-    workflows and automation.
-  vector: D3 / A1 / C1 / R0
+  name: Durable automation and bounded operations
+  summary: Temporal/NATS/webhook/manual trigger, validated definitions and evidence/runtime
+    sinks.
   domain: helix_forge
   status: draft
   owner: activity-core
-  path: registry/capabilities/capability.activity.event-coordinate.md
   tags:
   - activity
   - coordination
   - automation
+  - security
+  - netkingdom
+  - framework-reuse
+  vector: D3 / A4 / C1 / R0
+  path: registry/capabilities/capability.activity.event-coordinate.md
   consumption_modes:
-  - informational
+  - HTTP API
+  - source