Add pets for tiers 1-3.

web/src/components/ArrangePhase.tsx

@@ -17,10 +17,18 @@ export function ArrangePhase({ view, you, send }: Props) {
   const dragIndex = useRef<number | null>(null)
   const locked = you.ready
 
-  // If the server-side deck changes (shouldn't during arrange, but be safe),
-  // resync.
+  // Resync only if the deck's actual contents changed — every broadcast
+  // creates a fresh array, and blindly resetting would wipe an in-progress
+  // ordering whenever the opponent acts.
   useEffect(() => {
-    setOrder(you.deck ?? [])
+    setOrder((prev) => {
+      const deck = you.deck ?? []
+      const ids = new Set(deck.map((c) => c.id))
+      if (prev.length === deck.length && prev.every((c) => ids.has(c.id))) {
+        return prev
+      }
+      return deck
+    })
   }, [you.deck])
 
   function move(from: number, to: number) {