Hi Aletuno,
The rationale behind the existing ammo regeneration mechanism is centered on enabling ammo replenishment exclusively through perk pickups or upon reaching 100 experience points. This design choice aims to introduce an additional level of challenge to the game, encouraging players to prioritize evasion and accuracy over continuous rapid firing.
I am however going to be changing this when I introduce enemy variations, and bosses. Also, I really like the idea of mele as a right-click option, and might introduce this over the next few days!!
Thank you so much for playing!