Exit quote (fee projection)

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POST /vault/:address/exit-quote

{ "requestedUsd": 5000, "mode": "USDG" }

{
  "requestedUsd": 5000,
  "newProfitUsd": 1200.0,
  "feeUsd": 120.0,
  "netToWalletUsd": 4862.4,
  "conversionCostUsd": 17.6,
  "feeDueShortfall": null,
  "feedStale": false,
  "steps": [
    { "id": "unwind", "label": "Unstake & collect", "sig": true },
    { "id": "convert", "label": "Convert to USDG", "sig": false },
    { "id": "send", "label": "Send to wallet", "sig": true }
  ]
}

• newProfitUsd — the slice above your high-water mark; 0 for withdrawals within your fee-free headroom.
• feeUsd — your vault’s immutable rate applied to newProfitUsd; forced to 0 when feedStale is true (waiver, shown loudly).
• conversionCostUsd — estimated swap cost of converting to the exit asset (always 0 for in-kind). Bounded by the vault’s on-chain per-swap loss cap.
• feeDueShortfall — in-kind only: if the vault’s loose balances can’t cover the fee, the exact token amount to fund before signing. Never null-and-then-revert.
• steps — the plan the app’s stepper renders, marking which steps need a signature.