Function computeTempToMainPromotionAt

computeTempToMainPromotionAt(
    livestream: Pick<
        Livestream,
        | "status"
        | "keySlot"
        | "scheduledStartTime"
        | "autoPromoteToMainKey"
        | "autoPromoteToMainKeyMinutes"
        | "keySwapPromotedAt",
    >,
): Date
Computes the wall-clock instant when a temp-slot livestream should auto-promote to main.
Parameters
- livestream: Pick<
      Livestream,
      | "status"
      | "keySlot"
      | "scheduledStartTime"
      | "autoPromoteToMainKey"
      | "autoPromoteToMainKeyMinutes"
      | "keySwapPromotedAt",
  >
  Livestream row or editor snapshot.
Returns Date
Promotion time, or null when auto-promote does not apply.
- Defined in lib/livestreams/promote-temp-to-main.ts:33