Design docs

The specifications the registry, CLI, and portal are built against.

• AI Security Assessmentai-assessment.md
• Signet — REST API v1 Contract (v0.1)api-reference.md
• Signet — System Architecture & MVP Plan (Design v0.1)architecture.md
• Signet — Attestation Schema (Design v0.1)attestation-schema.md
• Signet — Backend Service Design (Spring Boot, v0.2)backend.md
• CI integration — skip-scan gateci-integration.md
• Signet — CLI Specification (Design v0.1)cli-spec.md
• Signet — Database Design (v0.1)database.md
• Signet — Frontend Design (Next.js Portal, v0.1)frontend.md
• Signet — Reputation & Trust Model (Design v0.1)reputation-trust-model.md
• Signet — Ecosystem & Distro Support Matrixsupport-matrix.md