feat: rare values panel + fortune wheel UI + prize editor

Toolbar buttons, FortuneWheelView (animated wheel, prize icons, recent winners),
RareValuesView (diamond price guide + staff prize-editor tab), furni infostand
value line, useFortuneWheel/useRareValues hooks, it/en text examples.

src/hooks/rare-values/useRareValues.ts

@@ -0,0 +1,31 @@
+import { IRareValue, RareValuesEvent, RequestRareValuesComposer } from '@nitrots/nitro-renderer';
+import { useCallback, useEffect, useState } from 'react';
+import { useBetween } from 'use-between';
+import { SendMessageComposer } from '../../api';
+import { useMessageEvent } from '../events';
+
+// spriteId -> catalog value, fetched once from the server (RareValuesComposer).
+// Shared across all consumers via useBetween so the request fires a single time.
+// Read by both the furni infostand and the toolbar "Valore Rari" panel.
+const useRareValuesState = () =>
+{
+    const [ values, setValues ] = useState<Map<number, IRareValue>>(() => new Map());
+    const [ loaded, setLoaded ] = useState(false);
+
+    useMessageEvent<RareValuesEvent>(RareValuesEvent, event =>
+    {
+        setValues(event.getParser().values);
+        setLoaded(true);
+    });
+
+    useEffect(() =>
+    {
+        SendMessageComposer(new RequestRareValuesComposer());
+    }, []);
+
+    const getValue = useCallback((spriteId: number): IRareValue => (values.get(spriteId) ?? null), [ values ]);
+
+    return { values, loaded, getValue };
+};
+
+export const useRareValues = () => useBetween(useRareValuesState);