{
  "freeze_version": "FDB-0012",
  "freeze_date": "2026-09-11",
  "included_stage": "Stage D Engineering Intelligence Layer",
  "audit_decision": "PASS WITH OPEN GAPS",
  "previous_frozen_baseline": "PICKLEBALL_DATABASE_APPROVED_FROZEN_BASELINES_THROUGH_STAGED_FOUNDATION_MAPPING_2026-09-11.zip",
  "previous_frozen_baseline_sha256": "33e1397ecaa2e52ffac41e68b42d6e82dd4dda70ab359279c8295e88f4f5b859",
  "approved_intelligence_payload": "STAGED_ENGINEERING_INTELLIGENCE_LAYER_DATABASE_REV1.zip",
  "approved_intelligence_payload_sha256": "535586dc669a9e3a3c064d94df37fd3525720d8a53f0bf5caed9887a2497577b",
  "intelligence_nodes": 603,
  "dependency_paths": 349,
  "inference_rules": 10,
  "validation_gates": 288,
  "gap_propagations": 35,
  "decision_boundaries": 13,
  "query_paths": 9,
  "intelligence_traceability_records": 1307,
  "controlled_open_gaps": 35,
  "gaps_closed": 0,
  "qa_checks": 27,
  "qa_passed": 27,
  "performance_leakage": 0,
  "historical_mutation": 0,
  "protection_rule": "Previous approved frozen baseline is preserved byte-identical as a nested immutable artifact."
}