{
  "pair_id": "tc6_spend_conc",
  "ui_evidence": "screenshots/card_spend_conc.png",
  "ui_values": {
    "c1": 51.5,
    "c2": 27.4,
    "c3": 21.1
  },
  "api_evidence": "api/01_public_live_dashboard.json (reports.concentration + campaigns)",
  "api_concentration": {
    "totals": {
      "campaigns": 3,
      "spend": 793.0500000000001,
      "purchaseValue": 58210,
      "clicks": 728
    },
    "summary": {
      "top3SpendShare": 99.99999999999999,
      "top5SpendShare": 99.99999999999999,
      "top3ValueShare": 100,
      "campaignsTo80Spend": 3,
      "campaignsTo80Value": 3,
      "spendHHI": 3847.8406161408193,
      "valueHHI": 6779.853973143286,
      "risk": "high"
    },
    "topRows": [
      {
        "campaign": "1 [buy]tsm \"✅ไฟตุ้มโซล่าเซลล์ 250 วัตต์สว่างยันเช้า\" - สำเนา",
        "spend": 408.31,
        "purchaseValue": 46470,
        "clicks": 483,
        "spendSharePct": 51.48603492844083,
        "valueSharePct": 79.83164404741453,
        "clicksSharePct": 66.34615384615384,
        "cumulativeSpendSharePct": 51.48603492844083,
        "cumulativeValueSharePct": 79.83164404741453
      },
      {
        "campaign": "Post: \"✅โคมไฟหัวเสาโซล่าเซลล์ รุ่น 2 สีในตัวเดียว...\"",
        "spend": 217.59,
        "purchaseValue": 0,
        "clicks": 78,
        "spendSharePct": 27.43710989218838,
        "valueSharePct": 0,
        "clicksSharePct": 10.714285714285714,
        "cumulativeSpendSharePct": 78.9231448206292,
        "cumulativeValueSharePct": 79.83164404741453
      },
      {
        "campaign": "4[buy]tsmPost: \"✅ไฟตุ้มโซล่าเซลล์ 250 วัตต์สว่างยันเช้า\" - สำเนา",
        "spend": 167.15,
        "purchaseValue": 11740,
        "clicks": 167,
        "spendSharePct": 21.07685517937078,
        "valueSharePct": 20.16835595258547,
        "clicksSharePct": 22.939560439560438,
        "cumulativeSpendSharePct": 99.99999999999999,
        "cumulativeValueSharePct": 100
      }
    ]
  },
  "verdict": "PASS"
}