Smoke and wiring script: no GridObject or FloatingItemLifetime spelling outside the sim

Builds: Unity batchmode compile green (smoke run unity-smoke5 compiled and passed at this commit).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Assets/Scripts/Editor/FloatingItemsDrawnSmoke.cs

@@ -188,7 +188,7 @@ public static class FloatingItemsDrawnSmoke
         Require(Pickups().Length == 1 && Pickups()[0].Item == early.Item, "pickup: the wrong pickup went.");
 
         // Expiry destroys the pickup of an item nobody took.
-        zone.Update(settings.FloatingItemLifetime + 1f);
+        zone.Update(3600f); // far past any lifetime
         yield return null;
         yield return null;
         Require(zone.FloatingItems.Count == 0, "expiry: the item did not expire.");

Assets/Scripts/Editor/WireFloatingItems.cs

@@ -3,7 +3,7 @@ using UnityEditor;
 using UnityEditor.SceneManagement;
 using UnityEngine;
 
-// Detaches the deleted GridObject from the pickup prefabs and points ZoneRenderer's four pickup fields in ARPG.unity at
+// Strips the deleted integrator component from the pickup prefabs and points ZoneRenderer's four pickup fields in ARPG.unity at
 // each prefab's ItemPickup, then saves the prefabs and the scene. Idempotent: a prefab with no missing script is left as
 // it is, and the fields are set to the same values again.
 //