Accept the security layer model; companion v0.2 to the repository root
The standard is accepted at v0.7 on the owner's decision. §14 keeps two things apart, as ops-warden asked: boundary assent, given by four repositories at the version named in each record and undisturbed since; and revision review, where all four reviewed v0.6 and every change in v0.7 is the adopted remedy of a finding they raised. What is not claimed: nobody has reviewed v0.7 as text. Accepting a standard nobody has re-read is deliberate. The estate will learn more from using it than from another round of prose, and the v0.7 changes were requested rather than invented. Findings against the accepted text stay welcome — that is §12's normal business, not an exception. The companion moves from canon/standards to the repository root as SECURITY-COMPANION.md and becomes v0.2, so onboarding starts at the front door rather than three directories down. One copy, not two: a second copy of a fact is how the estate gets two sources for it. v0.2 closes the gap access-engine found in v0.1 — it said publish your stance map without saying where, and omitted the inventory obligation, so a repository could satisfy it faithfully and no register would learn of its stance. It also carries what v0.7 added: the corrected PEP obligations, the evidence threat decomposition with its stated residual, cadence as MUST for load-bearing sources with heartbeat for rare ones, the four agent rules and the glas-harness seam, and the Railiance axes with their unsettled mapping. It points readers at ops-warden for how to get things done. The companion says what the rules are; ops-warden stewards the paths through them. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Assistant: claude-code Assistant-Model: opus Assistant-Process: 2564823@bnt-lap001 Assistant-Session: 2a7ed827-4928-4b9f-8613-9135c9cadfe9
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---
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id: netkingdom-security-layer-model-companion-v0.1
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type: standard-companion
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title: "NetKingdom Security Layer Model — Agent Companion v0.1"
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domain: netkingdom
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status: proposed
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version: "0.1"
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companion_to: canon/standards/security-layer-model_v0.7.md
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owner: gate-house
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publication_owner: net-kingdom
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created: "2026-08-29"
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updated: "2026-08-29"
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review_interval: 3m
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standard_token: security-layer-model-companion_v0.1
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---
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# Security Layer Model — Agent Companion
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**This is the operative form of `security-layer-model_v0.7.md`.** Same rules, no
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change log, no review history. The statute governs where the two disagree; if you
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find a disagreement, report it — that is a finding, not a formatting problem.
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Read this if you are an agent or an operator working in a NetKingdom repository,
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or if your repository has been asked to declare its layer.
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---
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## 1. The four layers
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| Layer | You are this if you produce | Deterministic |
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| --- | --- | --- |
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| **Taxonomy** | terms, semantic contracts, standards | n/a |
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| **Tooling** | state and persistence | yes |
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| **Engine** | a deterministic API for one modeled concept | yes |
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| **Staff** | specifications, decisions, workplans, tasks | **no** |
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One test decides it: **given the same authoritative inputs, do you always return
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the same result?** If your core function is inference or judgment, you are Staff
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— however much of your work happens at runtime.
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Engines carry a role: **PDP** (decides — `access-engine` only), **PIP**
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(supplies facts as claims), **Evidence** (`audit-core`), **Lifecycle** (an API
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over Tooling it owns). A new engine is a PIP unless the statute says otherwise.
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## 2. Declare your layer
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Put this in your `INTENT.md` frontmatter. A layer someone else stated about you
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is not a declaration.
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```yaml
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layer: Staff # Taxonomy | Tooling | Engine | Staff
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role: null # Engines only: PDP | PIP | Evidence | Lifecycle
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```
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Then state it in prose, in your own voice, in the body. Contest the proposed
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layer if it is wrong — a correction is worth more than a label.
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Reference implementation of the machine-readable form: `ops-warden`'s
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`layer.yaml`, `scripts/check_layer_conformance.py`, and
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`tests/test_layer_conformance.py`.
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## 3. The rules that bind everyone
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1. **One decision point.** `access-engine` renders authorization decisions. No
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other repository, in any layer, renders or caches one.
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2. **Compiled data that determines an outcome is still deciding.** A registry,
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cache, or schema that resolves a result before the engine runs has decided
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early.
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3. **Doctrine arrives as a claim.** Anything that changes an outcome — an
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authority ceiling, a zone stance, a posture, a maturity level — reaches the
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decision as a request claim or a versioned policy rule, never by a side
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channel.
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4. **Adaptive systems may only tighten.** Reduce authority, require step-up,
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request containment — never manufacture authority.
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5. **Staff never touches Tooling directly.** It acts through Engine APIs. See §4.
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6. **Every allow has a lifetime.** A TTL, or a binding to a session or
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obligation that ends.
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## 4. If you touch Tooling
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"Tooling" means a system catalogued as Tooling in the statute's §4 — today
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`key-cape` and `OpenBao`. Uncatalogued infrastructure (the State Hub,
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`llm-connect`) is outside this rule, but list it anyway so your check is total.
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Three sanctioned shapes. Anything else is a violation:
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| Shape | When | You must |
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| --- | --- | --- |
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| **Read-only diagnostic** | no engine exposes the read | declare it; no writes; treat it as a gap to close |
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| **Conduit** | you run the *owner's* tool under the *caller's* identity | present no credential of your own, widen nothing, stay reconstructable as the caller |
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| **Declared gap** | you must contact Tooling and no engine exposes it | declare `capability`, `intended_owner`, `blocked_on`, `review` — machine-readably |
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A conduit that presents its own token is not a conduit. A declared gap is
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**tracked non-conformance**, not conformance — but declaring it is always better
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than hiding it, and it will never be scored below silence.
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## 5. If you cause side effects (you are PEP-shaped)
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Being PEP-shaped does not change your layer. `ops-warden` issuing a certificate
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and `ops-mason` opening a route are both Staff and both PEP-shaped.
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1. **No side effect without a decision record** naming the request it was
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rendered for.
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2. **Never cache the verdict.** Caching an input claim under its own freshness
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rule is fine; caching the answer is a second decision point.
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3. **Publish your unreachable-engine stance** — total, per zone or equivalent,
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no implicit default, no per-call discretion. Reference shape: `ops-warden`
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`ADR-0009`.
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4. **Stay reconstructable**, within the bound in §6.
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If `access-engine` is reachable but degraded, the fallback is the engine's. If it
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is unreachable, the behaviour is necessarily yours — which is why it must be
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declared in advance rather than decided in the moment.
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## 6. What you may never claim about evidence
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An append-only archive with a verified chain proves records were **not altered
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or truncated after arrival**. It proves nothing about an event never sent.
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- ✗ "the audit record proves it happened"
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- ✗ "there is no record, so it did not happen"
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- ✓ "the archive proves the records it holds were not altered or truncated after arrival"
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The event an adversary most wants missing is the negative one — a revocation, a
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denial, a containment action. If a control's soundness depends on an event being
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present, that evidence is **load-bearing** and its emission must be atomic with
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the state change, queued locally. Otherwise it is **attributive**: seek
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atomicity, and if you trade it away deliberately, declare the trade and never
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describe the trail as complete.
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If you emit adaptive-relevant events, publish an expected cadence. A drop below
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it is a finding. Silence is a signal.
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## 7. If you are an agent
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Same layer as your human colleagues, different blast radius:
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1. **No standing credential.** Authority is per task, time-bounded, attributable.
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2. **Tool use is a conduit or an Engine API.** There is no third route.
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3. **Your memory is not a state plane.** Memory, tool-call traces, and prompt
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caches must not become state another layer depends on unless catalogued.
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4. **Every action is reconstructable as the caller's action.**
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Tool availability is not permission. A tool being callable says the operation
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exists, not that you may invoke it.
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## 8. Conformance: four states
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| State | Meaning |
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| --- | --- |
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| **Conforming** | no Tooling contact, or only declared diagnostic/conduit shapes |
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| **Blocked-clean** | the capability does not exist because no engine exposes it, and you make no Tooling contact |
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| **Declared gap** | a declared §5.3 contact — tracked non-conformance |
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| **Undeclared violation** | anything else |
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**Blocked-clean is not worse than conforming.** Declining a shortcut and leaving
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a capability at zero is compliance at cost. It will never be ranked below a
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repository that quietly opened a client and said nothing.
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## 9. Consuming NetKingdom security from outside
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Operations is **HelixForge's** responsibility — its reef, rail, rapp, and rein
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concepts — and NetKingdom provides the security and approval framework those
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operations consume.
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**That interface is not specified yet.** What holds today is only what holds for
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any consumer: authorization decisions come from `access-engine`, approvals are
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objects in `approval-engine` consumed as claims, credentials are materialized by
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`secrets-engine` after a decision, and evidence goes to `audit-core` under the
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bound in §6. A HelixForge component that causes a protected side effect is
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PEP-shaped and §5 applies to it.
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What is **not** settled: how a reef, rail, rapp, or rein maps onto the layer
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model — whether they are subjects a decision is rendered about, principals that
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request, PEP-shaped consumers, or none of these. Until that is written, do not
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assume a mapping. Raising it is welcome.
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## 10. Two things the estate cannot do yet
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Stated so nobody plans around a capability that does not exist:
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- **Nothing is observed in production.** `kings-guard` has reported that it has
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never seen a real event. Do not cite "observed in operation" as evidence.
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- **Nothing can be contained automatically.** There is no actuation surface —
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no API to reduce authority, require step-up, or isolate a workload. The
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capability is at zero, not degraded.
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---
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**Statute:** `canon/standards/security-layer-model_v0.7.md`.
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**Known gap in this version:** §5.3 says publish your stance map but not *where*,
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and omits the statute's §6.4 inventory obligation — a repository could satisfy
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this document and no register would learn of its stance. Fixed in v0.2; until
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then read statute §6.4 and §13.1.
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**Owner:** gate-house. **Report a disagreement between this and the statute as a
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finding.**
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@ -3,7 +3,7 @@ id: netkingdom-security-layer-model-v0.7
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type: standard
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title: "NetKingdom Security Layer Model v0.7"
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domain: netkingdom
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status: proposed
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status: accepted
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version: "0.7"
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supersedes: canon/standards/security-layer-model_v0.6.md
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owner: gate-house
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@ -986,9 +986,21 @@ do while the register is nearly empty.
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## 14. Adoption
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Status is **proposed** — the frontmatter is authoritative, and v0.2 was the last
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version to reach `accepted`. Four repositories have assented, each with a record,
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and all four returned findings on the versions since:
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Status is **accepted**, on the owner's decision of 2026-08-29.
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Two things that acceptance does and does not mean, kept apart because
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`ops-warden` asked for the distinction:
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| | |
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| --- | --- |
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| **Boundary assent** | given by the four repositories below, at the version named in each record, and undisturbed since |
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| **Revision review** | each of the four reviewed v0.6 and returned findings; **every change in v0.7 is the adopted remedy of a finding they raised** |
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| **Not claimed** | no repository has reviewed v0.7 *as text*. The first revision review will confirm or correct it |
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Accepting a standard nobody has re-read is a deliberate call: the estate learns
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more from using it than from another round of prose refinement, and the changes
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in v0.7 were requested rather than invented. Findings against the accepted text
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remain welcome and are §12's normal business, not an exception.
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| Repository | Record | Outcome |
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| --- | --- | --- |
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@ -1218,14 +1230,11 @@ v0.3 → v0.4:
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text it grades. Raised by `access-engine`. Its two substantive points remain
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live: observation in production is unstaffed (§12) and actuation has no surface
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(§9.2).
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- The **agent companion** (`security-layer-model-companion_v0.1.md`) is the
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operative form of this statute. The statute governs on disagreement, and a
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disagreement is a finding. Its §5.3 omits where a stance map is published and
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omits the §6.4 inventory obligation entirely — a repository could satisfy the
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companion faithfully, publish into its own repo, believe itself conforming, and
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no register would learn of it. Raised by `access-engine` in answer to the
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question of what would show the companion insufficient. To be fixed in
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companion v0.2.
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- The **working companion** (`net-kingdom/SECURITY-COMPANION.md`, v0.2, root of
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the repository for onboarding) is the operative form of this statute. The statute governs on disagreement, and a
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disagreement is a finding. The v0.1 gap `access-engine` found — publish
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your stance map, but nowhere saying where, and no inventory obligation — is
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fixed in v0.2 §5.3.
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- How the Railiance operational axes meet this model beyond §20's first
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statement, which is deliberately minimal.
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