ℹ️ How it works: Fee rates are date-effective. The rate "from 2026-05-10" will be used for all dates ≥ May 10 (until a newer rate kicks in).
Total Fees = (Total Payin + Wallet Adjustment) × Fee Rate (auto-calculated).
+ New Agent Settlement
💡 VND mode: If filled, this overrides "Paid VND" as the actual settled amount.
💡 USDT mode: If filled, Rate auto-reverts to Partial ÷ Paid USDT. Otherwise Rate = Accrued ÷ Paid USDT.