{
  "metadata": {
    "version": "1.0",
    "revision": "2026-07-11.1",
    "status": "ACTIVE",
    "last_updated": "2026-07-11",
    "updated_by": "Codex",
    "reviewed_by": "Codex",
    "source_commit": "e0acc39c6c1b5d5dead5b619ad48c85a85743262",
    "task_id": "KGEN-GOV-BIO-2026-0001",
    "change_reason": "Define formal change provenance evidence.",
    "ancestor": "KGEN-KAIOS/CODEX_PRE_MERGE_CHECKLIST.md",
    "source_of_truth": true
  },
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "KGEN Change Provenance",
  "type": "object",
  "required": [
    "human_owner",
    "author_agent",
    "author_worker_id",
    "reviewer_agent",
    "reviewer_worker_id",
    "task_id",
    "branch",
    "commit_sha",
    "base_commit",
    "report_path",
    "changed_files",
    "timestamp"
  ],
  "properties": {
    "human_owner": { "type": "string" },
    "author_agent": { "type": "string" },
    "author_worker_id": { "type": "string" },
    "reviewer_agent": { "type": "string" },
    "reviewer_worker_id": { "type": "string" },
    "task_id": { "type": "string" },
    "branch": { "type": "string" },
    "commit_sha": { "type": "string" },
    "base_commit": { "type": "string" },
    "report_path": { "type": "string" },
    "changed_files": { "type": "array", "items": { "type": "string" } },
    "timestamp": { "type": "string" }
  }
}