[
 {
  "date": "2026-09-13",
  "type": "rate_change",
  "item": "storage.std_low",
  "status": "confirmed",
  "old": 0.87,
  "new": 0.78,
  "source": "https://ylishi.tools/js/fba-rates-2026.js"
 },
 {
  "date": "2026-09-22",
  "type": "dataset_correction",
  "item": "return_fees, categories_referral",
  "status": "corrected",
  "old": "return_fees: 12 values; categories_referral: empty",
  "new": "return_fees: 4 values (1.90, 3.39, 4.63, 4.73); categories_referral: 24 categories",
  "source": "https://ylishi.tools/data/rate-snapshot.json"
 }
]