fixed little controller issue and wired up stats in top bar

src/api/client.ts

@@ -126,6 +126,12 @@ export const rommApiClient = {
     return json.items ? json.items.map(mapRomToGame) : [];
   },
 
+  async fetchStats(): Promise<any> {
+    const res = await fetch(`${this.apiBase}/stats`, { headers: this.headers });
+    if (!res.ok) throw new Error('Failed to fetch stats.');
+    return res.json();
+  },
+
   async fetchCollections(): Promise<RommCollection[]> {
     const res = await fetch(`${this.apiBase}/collections`, { headers: this.headers });
     if (!res.ok) throw new Error('Failed to fetch collections meta.');