[
  {
    "source_table": "smartstore_orders",
    "raw_column": "주문일",
    "sample_values": "2026-05-04 | 2026-05-05",
    "inferred_type": "date",
    "suggested_field": "order_date",
    "match_score": 0.94
  },
  {
    "source_table": "smartstore_orders",
    "raw_column": "상품명",
    "sample_values": "콜드브루 1L | 콜드브루1L",
    "inferred_type": "text",
    "suggested_field": "sku_name",
    "match_score": 0.88
  },
  {
    "source_table": "smartstore_orders",
    "raw_column": "결제금액",
    "sample_values": "4480000 | 4452000",
    "inferred_type": "number",
    "suggested_field": "revenue_krw",
    "match_score": 0.76
  },
  {
    "source_table": "coupang_orders",
    "raw_column": "date",
    "sample_values": "2026/05/04 | 2026/05/05",
    "inferred_type": "date",
    "suggested_field": "order_date",
    "match_score": 0.9
  },
  {
    "source_table": "coupang_orders",
    "raw_column": "item",
    "sample_values": "콜드브루 1L | 원두 200g",
    "inferred_type": "text",
    "suggested_field": "sku_name",
    "match_score": 0.83
  },
  {
    "source_table": "coupang_orders",
    "raw_column": "amount",
    "sample_values": "2940 | 2940000",
    "inferred_type": "number",
    "suggested_field": null,
    "match_score": 0.42
  },
  {
    "source_table": "own_mall_orders",
    "raw_column": "판매가(천원)",
    "sample_values": "1408 | 1440",
    "inferred_type": "number",
    "suggested_field": "revenue_krw",
    "match_score": 0.55
  },
  {
    "source_table": "own_mall_orders",
    "raw_column": "채널",
    "sample_values": "자사몰 | 자체몰",
    "inferred_type": "text",
    "suggested_field": "channel",
    "match_score": 0.86
  },
  {
    "source_table": "ads_meta",
    "raw_column": "spend",
    "sample_values": "600000 | 520000",
    "inferred_type": "number",
    "suggested_field": "ad_spend_krw",
    "match_score": 0.79
  },
  {
    "source_table": "ads_meta",
    "raw_column": "campaign",
    "sample_values": "cb_may_01 | bean_may_03",
    "inferred_type": "text",
    "suggested_field": null,
    "match_score": 0.18
  },
  {
    "source_table": "reviews_dump",
    "raw_column": "별점",
    "sample_values": "4.6 | 3.1",
    "inferred_type": "number",
    "suggested_field": "rating_1to5",
    "match_score": 0.81
  },
  {
    "source_table": "reviews_dump",
    "raw_column": "작성일",
    "sample_values": "05/06/2026 | 06/05/2026",
    "inferred_type": "date",
    "suggested_field": "review_date",
    "match_score": 0.63
  }
]