ok

code/controllers/configuration/entries/persistence.dm

@@ -15,3 +15,6 @@
 /datum/config_entry/number/persistent_debris_type_max
 	config_entry_value = 2000
 	integer = TRUE
+
+/// Wipe dirty stuff on nuke
+/datum/config_entry/flag/persistent_debris_wipe_on_nuke

code/controllers/subsystem/persistence/cleanable_debris.dm

@@ -63,6 +63,8 @@
 /datum/controller/subsystem/persistence/proc/SaveMapDebris()
 	if(fexists("[get_map_persistence_path()]/debris.json"))
 		fdel("[get_map_persistence_path()]/debris.json")
+	if(CONFIG_GET(flag/persistent_debris_wipe_on_nuke) && SSticker?.mode?.station_was_nuked)
+		return		// local janitor cheers on nukeop team to save some work
 	var/list/data = list()
 	var/list/z_lookup = SSmapping.z_to_station_z_index
 	var/list/debris = RelevantPersistentDebris()

code/game/turfs/simulated/floor/plating.dm

@@ -101,9 +101,9 @@
 			to_chat(user, "<span class='notice'>You begin adding reinforced glass to the floor...</span>")
 			if(do_after(user, 10, target = src))
 				if (RG.get_amount() >= 2 && !istype(src, /turf/open/transparent/glass/reinforced))
-				for(var/obj/effect/decal/cleanable/decal in src)
-					if(decal.wiped_by_floor_change)
-						qdel(decal)
+					for(var/obj/effect/decal/cleanable/decal in src)
+						if(decal.wiped_by_floor_change)
+							qdel(decal)
 					PlaceOnTop(/turf/open/transparent/glass/reinforced, flags = CHANGETURF_INHERIT_AIR)
 					playsound(src, 'sound/items/deconstruct.ogg', 80, 1)
 					RG.use(2)

config/config.txt

@@ -11,6 +11,7 @@ $include dynamic_config.txt
 $include plushies/defines.txt
 $include job_threats.txt
 $include policy.txt
+$include persistence.txt
 $include respawns.txt
 
 # You can use the @ character at the beginning of a config option to lock it from being edited in-game

config/persistence.txt

@@ -0,0 +1,14 @@
+### Whether or not cleanable object persistence is on
+PERSISTENT_DEBRIS
+
+### Whether or not ONLY persistent cleanable objects should be spawned, for supported objects
+PERSISTENT_DEBRIS_ONLY
+
+### Max objects to store, total
+PERSISTENT_DEBRIS_GLOBAL_MAX 10000
+
+### Max objects to store per type, total
+PERSISTENT_DEBRIS_TYPE_MAX 2000
+
+### Wipe objects on nuke for the above
+PERSISTENT_DEBRIS_WIPE_ON_NUKE