{
  "description": "Invented business knowledge graph: six nodes and five relationships. sample:// sources are fictional labels, not client evidence.",
  "nodes": [
    { "id": "client-a", "type": "Client", "label": "Client A" },
    { "id": "agreement-a-v2", "type": "Agreement", "label": "Agreement v2", "reportingFrequency": "monthly" },
    { "id": "monthly-report-a", "type": "Task", "label": "Monthly report" },
    { "id": "account-owner-a", "type": "Person", "label": "Account owner A" },
    { "id": "reporting-reviewer", "type": "Person", "label": "Reporting reviewer" },
    { "id": "approved-agreement-source", "type": "Source", "label": "Approved agreement source", "origin": "sample://client-a/agreement-v2", "quote": "The reporting frequency is monthly." }
  ],
  "relationships": [
    { "from": "client-a", "type": "has_agreement", "to": "agreement-a-v2", "sourceOrigin": "sample://client-a/agreement-v2", "valid_from": "2026-09-01", "valid_to": "2026-12-31", "recorded_at": "2026-09-02" },
    { "from": "agreement-a-v2", "type": "governs", "to": "monthly-report-a", "sourceOrigin": "sample://client-a/agreement-v2", "valid_from": "2026-09-01", "valid_to": "2026-12-31", "recorded_at": "2026-09-02" },
    { "from": "account-owner-a", "type": "maintains", "to": "agreement-a-v2", "sourceOrigin": "sample://team/role-decision", "valid_from": "2026-09-01", "valid_to": "2026-12-31", "recorded_at": "2026-09-02" },
    { "from": "reporting-reviewer", "type": "reviews", "to": "monthly-report-a", "sourceOrigin": "sample://team/review-method", "valid_from": "2026-09-01", "valid_to": "2026-12-31", "recorded_at": "2026-09-02" },
    { "from": "agreement-a-v2", "type": "evidenced_by", "to": "approved-agreement-source", "sourceOrigin": "sample://client-a/agreement-v2", "valid_from": "2026-09-01", "valid_to": "2026-12-31", "recorded_at": "2026-09-02" }
  ]
}