add 'entity.despawn' command

res/layouts/console.xml.lua

@@ -11,6 +11,10 @@ function setup_variables()
     if pentity ~= 0 then
         console.set('entity.id', pentity)
     end
+    local sentity = player.get_selected_entity(pid)
+    if sentity ~= nil then
+        console.set('entity.selected', sentity)
+    end
 end
 
 function on_history_up()

res/scripts/stdcmd.lua

@@ -156,3 +156,16 @@ console.add_command(
         return "spawned new player entity #"..tostring(eid)
     end
 )
+
+console.add_command(
+    "entity.despawn entity:sel=$entity.selected",
+    "Despawn entity",
+    function (args, kwargs)
+        local eid = args[1]
+        local entity = entities.get(eid)
+        if entity ~= nil then
+            entity:despawn()
+            return "despawned entity #"..tostring(eid)
+        end
+    end
+)