{
  "passed": true,
  "checks": [
    "27 distinct leads; duplicate form event is not a lead",
    "16 qualified leads",
    "250000 paid + 50000 other costs",
    "7 unique full paid orders and customers",
    "7 x 48000 - 48000 refund = 288000",
    "CPL recomputed, not averaged",
    "CPQL 18750",
    "CAC uses unique customers",
    "unknown channel cost is null, not free",
    "Direct 8/5/2 and source-backed ratios",
    "all channel additive totals reconcile",
    "one replayed payment removed",
    "another exact payment replay does not change cash/orders",
    "conflicting transaction ID stops calculation",
    "over-refund stops calculation",
    "zero and missing denominator return null",
    "no qualifications gives CPQL null",
    "cash after acquisition is not profit"
  ],
  "count": 18,
  "scope": "Arithmetic and stated input invariants; visual/browser acceptance is separate."
}