The number
A quote is a claim with an expiry
A routing provider looks at liquidity it can see and returns an estimate. That estimate can move before you sign, and it can fail the price check after you do. Light Wire keeps the words apart: estimated output, minimum output, price impact when the provider sent one, and the moment the quote stops being usable. Until a provider is attached, the quote route refuses. Refusal is the honest state. An invented output would be a lie with a decimal point.
