SchemaHealthResponseDto

{
    "checkedAt": "2026-02-26T14:30:00.000Z",
    "healthy": true,
    "clickhouse": {
        "healthy": true,
        "drifts": [
            {
                "layer": "clickhouse.events",
                "field": "new_column",
                "issue": "Column missing in real table",
                "codeValue": "String",
                "actualValue": "missing"
            }
        ]
    },
    "elasticsearch": {
        "healthy": true,
        "drifts": [
            {
                "layer": "clickhouse.events",
                "field": "new_column",
                "issue": "Column missing in real table",
                "codeValue": "String",
                "actualValue": "missing"
            }
        ]
    }
}