Parameters for the combined check-then-warm caching flow. Extends both validation and pre-cache parameter sets and adds lifecycle callbacks invoked before each phase of the flow.
onWarmStart: (symbol: string, interval: CandleInterval, from: Date, to: Date) => void
Invoked before the cache validation phase starts
onCheckStart: (symbol: string, interval: CandleInterval, from: Date, to: Date) => void
Invoked before the cache warm-up phase starts (after a validation miss)