feat: Claude subscription usage widget with real OAuth data

src/app/(dashboard)/page.tsx

@@ -1,10 +1,10 @@
 export const dynamic = "force-dynamic";
-
 import { WeatherWidget } from "@/components/widgets/WeatherWidget";
 import { CalendarWidget } from "@/components/widgets/CalendarWidget";
 import { DashboardHeader } from "@/components/widgets/DashboardHeader";
 import { SavingsWidget } from "@/components/widgets/SavingsWidget";
 import { GitActivityWidget } from "@/components/widgets/GitActivityWidget";
+import { ClaudeUsageWidget } from "@/components/widgets/ClaudeUsageWidget";
 
 export default function DashboardPage() {
   return (
@@ -18,6 +18,7 @@ export default function DashboardPage() {
         <div className="space-y-5">
           <SavingsWidget />
           <GitActivityWidget />
+          <ClaudeUsageWidget />
         </div>
       </div>
     </div>