Yaarel
🇮🇱 🇺🇦 He-Mage
By definition, "Downtime" means there is no adventure. Not a combat one anyway. So when the players do start a new combat adventure, they start fresh - as is already normal now.
If players end an adventure to go into Downtime, it means the players chose to abandon the adventure.
If players end an adventure to go into Downtime, it means the players chose to abandon the adventure.