Love the idea of this plugin, was looking for something like this.
May I suggest few ideas if your planning to extend/add more to this
"Cooldown" system:
-Maybe add in an effects that can nerf/buff up the Cooldown during combat? Like, lets say there's an item that can buff up the "cooldown" for 2 turns or, adding an additional number in TP to speedup the cooldown? Or maybe there's an item, spell, or an attack by the players/enemy to nerf the cooldown for 2 turns to slow down the TP? Maybe suggest a timer for the buff/nerf, how much MP should be use if its spell, and how many turns does it last.
-Maybe give a little level bar for player/enemy to see the cooldown building up/going down?
-(This one very particular, so you can easily brush this aside). Lets say there's a weight effect in game, character/npcs are heavy or light, items/weapons use, armor on or off. Maybe those aspect could affect cooldown system. Maybe some attacks takes longer by the weapon, maybe characters/npcs move faster base on how light they are? This suggestion is very narrow, mainly cause the dev gotta setup what weight could add or take base on the cooldown system/character/items. Much to ask? yeah, but its a neat idea (at least to me)