Threating and actually using a signaler deadman switch now admin logged.

code/modules/assembly/signaler.dm

@@ -169,4 +169,5 @@
 		set desc = "BOOOOM!"
 		deadman = 1
 		processing_objects.Add(src)
+		log_and_message_admins("is threatening to trigger a signaler deadman's switch")
 		usr.visible_message("\red [usr] moves their finger over [src]'s signal button...")

code/modules/mob/living/living_defense.dm

@@ -52,6 +52,7 @@
 	if(istype(equipped(),/obj/item/device/assembly/signaler))
 		var/obj/item/device/assembly/signaler/signaler = equipped()
 		if(signaler.deadman && prob(80))
+			log_and_message_admins("has triggered a signaler deadman's switch")
 			src.visible_message("\red [src] triggers their deadman's switch!")
 			signaler.signal()