Unit rings and shadows lie on bridge decks; beds appear only once their creature has set them up

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

src/props.rs

@@ -46,7 +46,8 @@ fn usage(g: &Game) -> Use {
         if e.captive == 3 {
             u.tortured.insert(e.tile());
         }
-        if !e.hero || e.captive == 0 {
+        // the bed only stands once its owner has set it up (it is reserved earlier)
+        if (!e.hero || e.captive == 0) && e.settled {
             u.beds.insert(e.id + 1, e.kind);
         }
     }