feat: implement tenant OAuth flow and guest achievements

resources/js/guest/context/EventStatsContext.tsx

@@ -0,0 +1,29 @@
+import React from 'react';
+import { usePollStats } from '../polling/usePollStats';
+
+type EventStatsContextValue = ReturnType<typeof usePollStats> & {
+  slug: string;
+};
+
+const EventStatsContext = React.createContext<EventStatsContextValue | undefined>(undefined);
+
+export function EventStatsProvider({ slug, children }: { slug: string; children: React.ReactNode }) {
+  const stats = usePollStats(slug);
+  const value = React.useMemo<EventStatsContextValue>(
+    () => ({ slug, ...stats }),
+    [slug, stats.onlineGuests, stats.tasksSolved, stats.latestPhotoAt, stats.loading]
+  );
+  return <EventStatsContext.Provider value={value}>{children}</EventStatsContext.Provider>;
+}
+
+export function useEventStats() {
+  const ctx = React.useContext(EventStatsContext);
+  if (!ctx) {
+    throw new Error('useEventStats must be used within an EventStatsProvider');
+  }
+  return ctx;
+}
+
+export function useOptionalEventStats() {
+  return React.useContext(EventStatsContext);
+}