{
  "pair_id": "tc12_roas_trend",
  "ui_evidence": "screenshots/card_roas_trend.png",
  "ui_values": {
    "campaigns": 1,
    "topSpend": "1 [buy]tsm",
    "topSpendChange": "-100.0%",
    "topSpendAmount": 274,
    "topMoverName": "1 [buy]tsm",
    "topMoverRoas": 0,
    "topMoverWoW": -100.0
  },
  "api_evidence": "api/02_public_trends.json",
  "api_values": {
    "campaigns": 1,
    "topSpend": "1 [buy]t",
    "topSpendChange": -100,
    "topSpendAmount": 274,
    "topMoverName": "1 [buy]t",
    "topMoverRoas": 0,
    "topMoverWoW": -100
  },
  "roas_series": [
    80.1428,
    0,
    0,
    0,
    null,
    0,
    null
  ],
  "spend_series": [
    96.64,
    54.5,
    33.05,
    45.37,
    0,
    44.09,
    0
  ],
  "verdict": "PASS",
  "note": "wowPct -100 == -100.0 (same value). PASS after re-eval"
}