auctoriseal: establish authority surface contract (CODEOWNERS + baselines + docs stub)

CITATION.cff

@@ -0,0 +1,8 @@
+cff-version: 1.2.0
+title: "AUCTORISEAL"
+message: "Cite this repository when referencing VERIFRAX authority issuance semantics."
+type: software
+authors:
+  - name: "Verifrax"
+repository-code: "https://github.com/Verifrax/AUCTORISEAL"
+license: "Proprietary"

CONTRIBUTING.md

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+# Contributing (AUCTORISEAL)
+
+Authority issuance surface. Treat as high-integrity code.
+
+Rules:
+- PRs only (no direct pushes to main)
+- deterministic outputs (no time/random/env dependence)
+- all authority semantics must be test-backed
+- changes must preserve stable identifiers once published

README.md

@@ -158,3 +158,11 @@ It promises one thing only:
 > **If an action mattered, you can prove who was allowed to authorize it — or prove that no one was.**
 
 Everything else builds on that.
+
+## Contract
+- issues/rotates authority material under strict policy
+- deterministic issuance records
+- compatible with VERIFRAX evidence + sealing surfaces
+
+## Interfaces
+- CLI / API surface documented in `docs/`

docs/USAGE.md

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+# Usage (Pinned Surface)
+
+This file defines the stable public usage surface.
+
+Add:
+- install
+- minimal issue/rotate flows
+- inputs/outputs
+- exit codes / error taxonomy
+- security considerations