Vocal Range Session Config
data class VocalRangeSessionConfig(val countdownSeconds: Int = 3, val transitionDelayMs: Long = 500, val autoFlow: Boolean = true)
Configuration for the TesseraRangeSession guided flow.
Tunes the session orchestration only. The detection engine behind the session (note stability, confidence floor, etc.) is configured separately via VocalRangeConfig, passed to TesseraRangeSession.create.