Mining Points Carryover (#22941)

* Mining points now carry over between rounds for each character.
* Mining point carryover is capped at 15,000 points and expires after
one week of inactivity.


AI usage disclosure: The code for this was created in-part using GPT 5.6
Sol.

code/modules/mining/machine_processing.dm

@@ -189,7 +189,7 @@
 		if(ID)
 			if(params["choice"] == "claim")
 				if(points >= 0)
-					ID.mining_points += points
+					ID.adjust_mining_points(points)
 					if(points != 0)
 						ping("<b>\The [src]</b> pings, \"Point transfer complete! Transaction total: [points] points!\"")
 						var/character_id = astype(ID.mob_id.resolve(), /mob/living/carbon/human/)?.character_id

code/modules/mining/machine_vending.dm

@@ -148,12 +148,12 @@ GLOBAL_LIST_INIT(minevendor_list, list(
 			if(prize.cost <= ID.mining_points)
 				if(prize.shuttle)
 					if(SScargo.order_mining(prize.equipment_path))
-						ID.mining_points -= prize.cost
+						ID.adjust_mining_points(-prize.cost)
 						to_chat(usr, SPAN_NOTICE("Order passed. Your order has been placed on the next available supply shuttle."))
 					else
 						to_chat(usr, SPAN_DANGER("{ERR Code: NO_SHUTTLE_SPACE} Order failed! Please try again."))
 				else
-					ID.mining_points -= prize.cost
+					ID.adjust_mining_points(-prize.cost)
 					if(prize.amount != -1)
 						prize.amount--
 					new prize.equipment_path(get_turf(src))

code/modules/mining/mine_items.dm

@@ -868,7 +868,7 @@
 	if(istype(attacking_item, /obj/item/card/id))
 		if(points)
 			var/obj/item/card/id/C = attacking_item
-			C.mining_points += points
+			C.adjust_mining_points(points)
 			to_chat(user, SPAN_INFO("You transfer [points] points to \the [C]."))
 			points = 0
 		else