to help some one on the intenet with InvetorySystem

InvetorySystem.gd

# In Player script
var stats := {
	healt = 0,
	mana = 0,
}

var healt := 0: # change to 0.0 if you want float
	set(value):
		stats.healt = value
	get: return stats.healt
	
var mana := 0: # change to 0.0 if you want float
	set(value):
		stats.mana = value
	get: return stats.mana

# In ItemDataConsumable
var stats := {
	healt = 0,
	mana = 0,
}

@export
var healt := 0: # change to 0.0 if you want float
	set(value):
		healt = value # to make sure it's saved in Resource
		stats.healt = value
	get: return healt

@export
var mana := 0: # change to 0.0 if you want float
	set(value):
		mana = value # to make sure it's saved in Resource
		stats.mana = value
	get: return mana
	
	func use(target):
		target.stats += stats