{
  "activity_references_before": 4,
  "crm_id_map": {
    "C101": "S001",
    "C202": "S001"
  },
  "distinct_deals_after": [
    "D01",
    "D02"
  ],
  "executed_date": "2026-10-22",
  "expected_fields": {
    "account": "AC01",
    "owner": "current-team",
    "phone": "+1-202-555-0101",
    "source": "event",
    "title": "Director"
  },
  "external_id_map": {
    "billing:88": "S001",
    "support:77": "S001"
  },
  "field_receipt": [
    {
      "evidence": "confirmed phone on 2026-10-20; C202 copied September data",
      "field": "phone",
      "selected_value": "+1-202-555-0101",
      "source_record": "C101"
    },
    {
      "evidence": "assignment accepted on 2026-10-21",
      "field": "owner",
      "selected_value": "current-team",
      "source_record": "C202"
    },
    {
      "evidence": "role confirmed on 2026-10-19",
      "field": "title",
      "selected_value": "Director",
      "source_record": "C202"
    },
    {
      "evidence": "AC01 confirmed against customer account; AC09 is former employer",
      "field": "account",
      "selected_value": "AC01",
      "source_record": "C101"
    },
    {
      "evidence": "original acquisition event; import is a later loading operation",
      "field": "source",
      "selected_value": "event",
      "source_record": "C101"
    }
  ],
  "illustrative_survivor_id": "S001",
  "limitations": [
    "single preconfirmed pair",
    "authored expected values",
    "no vendor account or API",
    "no identity matching",
    "no concurrency, automation, subscription-state, or recovery test",
    "union uses exact stable IDs; no semantic event matching"
  ],
  "method": "invented deterministic policy exercise; no product test",
  "modes": {
    "field_review": {
      "fields": {
        "account": "AC01",
        "owner": "current-team",
        "phone": "+1-202-555-0101",
        "source": "event",
        "title": "Director"
      },
      "mismatch_count": 0,
      "mismatches": []
    },
    "newest_record": {
      "fields": {
        "account": "AC09",
        "owner": "current-team",
        "phone": "+1-202-555-0199",
        "source": "import",
        "title": "Director"
      },
      "mismatch_count": 3,
      "mismatches": [
        "phone",
        "account",
        "source"
      ]
    },
    "primary_only": {
      "fields": {
        "account": "AC01",
        "owner": "old-team",
        "phone": "+1-202-555-0101",
        "source": "event",
        "title": "Analyst"
      },
      "mismatch_count": 2,
      "mismatches": [
        "owner",
        "title"
      ]
    }
  },
  "records": [
    {
      "activities": [
        "T01",
        "T02"
      ],
      "deals": [
        "D01"
      ],
      "external_ids": [
        "support:77"
      ],
      "fields": {
        "account": "AC01",
        "owner": "old-team",
        "phone": "+1-202-555-0101",
        "source": "event",
        "title": "Analyst"
      },
      "id": "C101",
      "modified": "2026-10-20"
    },
    {
      "activities": [
        "T02",
        "T03"
      ],
      "deals": [
        "D02"
      ],
      "external_ids": [
        "billing:88"
      ],
      "fields": {
        "account": "AC09",
        "owner": "current-team",
        "phone": "+1-202-555-0199",
        "source": "import",
        "title": "Director"
      },
      "id": "C202",
      "modified": "2026-10-21"
    }
  ],
  "review_rules": {
    "account": {
      "evidence": "AC01 confirmed against customer account; AC09 is former employer",
      "record": "C101"
    },
    "owner": {
      "evidence": "assignment accepted on 2026-10-21",
      "record": "C202"
    },
    "phone": {
      "evidence": "confirmed phone on 2026-10-20; C202 copied September data",
      "record": "C101"
    },
    "source": {
      "evidence": "original acquisition event; import is a later loading operation",
      "record": "C101"
    },
    "title": {
      "evidence": "role confirmed on 2026-10-19",
      "record": "C202"
    }
  },
  "unique_activities_after": [
    "T01",
    "T02",
    "T03"
  ]
}