Adds upgraded cybernetic kidneys (#31407)

* Adds upgraded cybernetic kidneys

* How the fuck did I forget this

* a

code/modules/research/designs/medical_designs.dm

@@ -840,6 +840,17 @@
 	build_path = /obj/item/organ/internal/kidneys/cybernetic
 	category = list("Medical")
 
+/datum/design/cybernetic_kidneys_u
+	name = "Upgraded Cybernetic Kidneys"
+	desc = "An upgraded cybernetic pair of kidneys."
+	id = "cybernetic_kidneys_u"
+	req_tech = list("biotech" = 5, "materials" = 5, "engineering" = 5)
+	build_type = PROTOLATHE | MECHFAB
+	materials = list(MAT_METAL = 500, MAT_GLASS = 500, MAT_SILVER = 500)
+	construction_time = 60
+	build_path = /obj/item/organ/internal/kidneys/cybernetic/upgraded
+	category = list("Medical")
+
 /datum/design/cybernetic_heart
 	name = "Cybernetic Heart"
 	desc = "A cybernetic heart."

code/modules/surgery/organs/kidneys.dm

@@ -12,3 +12,14 @@
 	desc = "An electronic device designed to mimic the functions of human kidneys. It has no benefits over a pair of organic kidneys, but is easy to produce."
 	origin_tech = "biotech=4"
 	status = ORGAN_ROBOT
+
+/obj/item/organ/internal/kidneys/cybernetic/upgraded
+	name = "upgraded cybernetic kidneys"
+	icon_state = "kidneys-c-u"
+	desc = "An electronic device designed to mimic the functions of human kidneys. It passively heals any toxin damage the user might have."
+	origin_tech = "biotech=5"
+
+/obj/item/organ/internal/kidneys/cybernetic/upgraded/on_life()
+	if(!owner)
+		return
+	owner.adjustToxLoss(-0.4)