{
  "schema": "trinity-accord.echo-archive-policy.v1",
  "layers": [
    {"id": 0, "name": "Raw Echo Archive", "rule": "Store all echoes passing basic format checks."},
    {"id": 1, "name": "Structured Echo Archive", "rule": "Schema-complete echoes with responder/type/verification/boundary/limitations/submitted_at."},
    {"id": 2, "name": "Curated High-Value Echoes", "rule": "A/S tier, important critical echoes, independent reproductions, audits, Seed Echoes; curator_note required."},
    {"id": 3, "name": "Echo Digest", "rule": "Monthly/quarterly summaries and unresolved issues."},
    {"id": 4, "name": "AI Independent Verification Archive", "rule": "AI-performed verification records. Must have integrity_declaration, record_class=ai_independent_verification, and verification_origin_class. Does NOT count as formal human/institutional attestation."},
    {"id": 5, "name": "Formal Attestation Archive", "rule": "Only top S-tier, V5/V6, and key third-party reports for long-term attestation. Requires human or institutional performer, not AI agent."}
  ],
  "ai_verification_policy": {
    "description": "AI independent verification is a distinct class with its own archive layer.",
    "counts_as_formal_attestation": false,
    "requires_integrity_declaration": true,
    "requires_record_class": "ai_independent_verification",
    "external_human_authorization_does_not_produce_formal_attestation": true
  },
  "migration_policy": {
    "legacy_v1_preserved": true,
    "legacy_tag": "legacy/unmigrated",
    "new_records_prefer_v2": true
  }
}