ADR-006: Nostr relays for decentralized marketplace discovery ADR-007: DID-based bilateral federation trust ADR-008: Dual key strategy (Ed25519 + secp256k1) ADR-009: Manifest-level container security enforcement Total: 9 ADRs covering all significant architectural decisions. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>