correct everything and some intention based checks

code/game/machinery/doors/airlock.dm

@@ -700,6 +700,10 @@
 /obj/machinery/door/airlock/add_context(atom/source, list/context, obj/item/held_item, mob/living/user)
 	. = ..()
 
+	if(istype(held_item, /obj/item/stack/sheet/plasteel))
+		context[SCREENTIP_CONTEXT_LMB] = "Reinforce"
+		return CONTEXTUAL_SCREENTIP_SET
+
 	switch (held_item?.tool_behaviour)
 		if (TOOL_CROWBAR)
 			if (panel_open)

code/game/machinery/doors/door.dm

@@ -58,7 +58,7 @@
 /obj/machinery/door/add_context(atom/source, list/context, obj/item/held_item, mob/living/user)
 	. = ..()
 
-	if (isnull(held_item))
+	if (isnull(held_item) && !istype(src, /obj/machinery/door/firedoor)) // You cannot open/close with your hands
 		context[SCREENTIP_CONTEXT_LMB] = density ? "Open" : "Close"
 		return CONTEXTUAL_SCREENTIP_SET
 

code/game/machinery/doors/firedoor.dm

@@ -51,25 +51,16 @@
 
 	if (isnull(held_item))
 		if (density)
-			// This should be LMB/RMB one day
-			if (user.a_intent == INTENT_HARM)
-				context[SCREENTIP_CONTEXT_LMB] = "Knock"
-			else
-				context[SCREENTIP_CONTEXT_LMB] = "Bash"
-
+			context[SCREENTIP_CONTEXT_LMB] = "Knock"
 			return CONTEXTUAL_SCREENTIP_SET
 		else
 			return .
 
 	switch (held_item.tool_behaviour)
 		if (TOOL_CROWBAR)
-			if (density)
-				context[SCREENTIP_CONTEXT_LMB] = "Close"
-			else if (!welded)
-				context[SCREENTIP_CONTEXT_LMB] = "Hold open"
-				context[SCREENTIP_CONTEXT_RMB] = "Open permanently"
-
-			return CONTEXTUAL_SCREENTIP_SET
+			if(!welded)
+				context[SCREENTIP_CONTEXT_LMB] = density ? "Open" : "Close"
+				return CONTEXTUAL_SCREENTIP_SET
 		if (TOOL_WELDER)
 			context[SCREENTIP_CONTEXT_LMB] = welded ? "Unweld shut" : "Weld shut"
 			return CONTEXTUAL_SCREENTIP_SET
@@ -79,9 +70,8 @@
 				return CONTEXTUAL_SCREENTIP_SET
 		if (TOOL_SCREWDRIVER)
 			if (welded)
-				context[SCREENTIP_CONTEXT_LMB] = "Unlock bolts"
+				context[SCREENTIP_CONTEXT_LMB] = boltslocked ? "Unlock bolts" : "Lock bolts"
 				return CONTEXTUAL_SCREENTIP_SET
-
 	return .
 
 /obj/machinery/door/firedoor/proc/CalculateAffectingAreas()

code/game/machinery/firealarm.dm

@@ -51,11 +51,12 @@
 	myarea = get_base_area(src)
 	LAZYADD(myarea.firealarms, src)
 
-	AddElement( \
-		/datum/element/contextual_screentip_bare_hands, \
-		lmb_text = "Turn on", \
-		rmb_text = "Turn off", \
-	)
+/obj/machinery/firealarm/add_context(atom/source, list/context, obj/item/held_item, mob/living/user)
+	. = ..()
+
+	if(isnull(held_item))
+		context[SCREENTIP_CONTEXT_LMB] = triggered ? "Turn off" : "Turn on"
+		return CONTEXTUAL_SCREENTIP_SET
 
 /obj/machinery/firealarm/Destroy()
 	myarea.firereset(src)