docs(reuse): establish reviewed NetKingdom security capabilities

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

registry/capabilities/capability.security.posture-assessment.md

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+---
+id: capability.security.posture-assessment
+owner: kings-guard
+status: draft
+domain: infotech
+maturity:
+  discovery:
+    current: D3
+    target: D5
+    confidence: medium
+    rationale: Owner scope, neighboring responsibilities, concrete use cases and limitations
+      are documented; no exhaustive or generalized maturity claim.
+  availability:
+    current: A2
+    target: A2
+    confidence: medium
+    rationale: 'Source interface assessed 2026-10-14: Normalized observation evaluator,
+      cadence checks and secret-use snapshot adapter. Availability describes the delivery
+      form, not production acceptance. Bounded reference pilot; containment proposals
+      only; deployed-stream admission remains open.'
+external_evidence:
+  completeness:
+    level: C1
+    confidence: low
+    basis: Source artifacts establish a bounded capability; no independent consumer-completeness
+      assessment in this review.
+  reliability:
+    level: R0
+    confidence: low
+    basis: No longitudinal consumer reliability measurement established by this review.
+name: Security posture assessment and response proposals
+summary: Normalized observation evaluator, cadence checks and secret-use snapshot
+  adapter.
+tags:
+- security
+- netkingdom
+- framework-reuse
+discovery:
+  intent: Normalized observation evaluator, cadence checks and secret-use snapshot
+    adapter
+  includes:
+  - Normalized observation evaluator, cadence checks and secret-use snapshot adapter
+  excludes:
+  - Bounded reference pilot; containment proposals only; deployed-stream admission
+    remains open
+  use_cases:
+  - 'U08: Consumer emits security events and reconciles independently retained evidence'
+  - 'U09: Maintainer observes posture, prioritizes findings, coordinates work and
+    verifies outcomes'
+availability:
+  current_level: A2
+  target_level: A2
+  current_artifacts:
+  - SCOPE.md
+  - docs/SecretUseSnapshotAdmission.md
+  consumption_modes:
+  - CLI
+  - source
+relations:
+  related_to:
+  - capability.security.maturity-claims
+  - capability.audit.event-retain
+  - capability.security.risk-register
+  - capability.security.iam-tooling-suite
+evidence:
+  documentation:
+  - SCOPE.md
+  - docs/SecretUseSnapshotAdmission.md
+consumer_guidance:
+  recommended_for:
+  - Consumer emits security events and reconciles independently retained evidence
+  - Maintainer observes posture, prioritizes findings, coordinates work and verifies
+    outcomes
+  not_recommended_for:
+  - Bounded reference pilot; containment proposals only; deployed-stream admission
+    remains open
+  known_limitations:
+  - Bounded reference pilot; containment proposals only; deployed-stream admission
+    remains open
+  - 2026-10-14 architecture review estimates operational maturity separately; a registry
+    entry does not authorize execution or establish deployment.
+---
+
+# Security posture assessment and response proposals
+
+Normalized observation evaluator, cadence checks and secret-use snapshot adapter.
+
+## Reuse boundary
+
+Bounded reference pilot; containment proposals only; deployed-stream admission remains open.
+
+## Supported use cases
+
+- U08: Consumer emits security events and reconciles independently retained evidence
+- U09: Maintainer observes posture, prioritizes findings, coordinates work and verifies outcomes
+
+## Evidence and integration
+
+- [SCOPE.md](../../SCOPE.md)
+- [docs/SecretUseSnapshotAdmission.md](../../docs/SecretUseSnapshotAdmission.md)
+
+Assessment: CUST-WP-0081, 2026-10-14. Relations identify interfaces to compose; they do not certify native integration. Existing external evidence levels are retained where present. New entries use conservative C1/R0 until consumer assessment exists.

registry/indexes/capabilities.yaml

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+version: 1
+domain: infotech
+capabilities:
+- id: capability.security.posture-assessment
+  name: Security posture assessment and response proposals
+  summary: Normalized observation evaluator, cadence checks and secret-use snapshot
+    adapter.
+  domain: infotech
+  status: draft
+  owner: kings-guard
+  tags:
+  - security
+  - netkingdom
+  - framework-reuse
+  vector: D3 / A2 / C1 / R0
+  path: registry/capabilities/capability.security.posture-assessment.md
+  consumption_modes:
+  - CLI
+  - source
+updated: '2026-10-14'