code/validation/phase1_validation.json

{
  "version": "3.0.0",
  "timestamp": "2026-08-02T14:31:43.013745+00:00",
  "result": "PASS",
  "failures": [],
  "checks": {
    "schema": {
      "pass": true,
      "note": "All 16 expected columns present"
    },
    "external_id_uniqueness": {
      "total_rows": 4440,
      "null_count": 0,
      "unique_count": 4440,
      "duplicate_count": 0,
      "pass": "True"
    },
    "duplicates": {
      "full_row_duplicates": 0,
      "external_id_duplicates": 0,
      "upc_duplicates": 1168,
      "title_size_brand_duplicates": 60
    },
    "null_columns": {
      "expected_100pct_null": [
        "size_total",
        "size_per_unit"
      ],
      "dropped": [
        "size_per_unit",
        "size_total"
      ]
    }
  }
}