upgrade to tamagui v2 and guest pwa overhaul

resources/js/guest-v2/hooks/usePollStats.ts

@@ -0,0 +1,57 @@
+import React from 'react';
+import { fetchEventStats } from '../services/statsApi';
+import type { EventStats } from '../services/eventApi';
+
+const defaultStats: EventStats = { onlineGuests: 0, tasksSolved: 0, latestPhotoAt: null };
+
+export function usePollStats(eventToken: string | null, intervalMs = 10000) {
+  const [stats, setStats] = React.useState<EventStats>(defaultStats);
+  const [loading, setLoading] = React.useState<boolean>(Boolean(eventToken));
+  const [error, setError] = React.useState<string | null>(null);
+
+  React.useEffect(() => {
+    if (!eventToken) {
+      setStats(defaultStats);
+      setLoading(false);
+      setError(null);
+      return;
+    }
+
+    let active = true;
+    let timer: number | null = null;
+
+    const poll = async () => {
+      if (document.visibilityState === 'hidden') {
+        timer = window.setTimeout(poll, intervalMs);
+        return;
+      }
+
+      try {
+        setLoading(true);
+        const next = await fetchEventStats(eventToken);
+        if (!active) return;
+        setStats(next);
+        setError(null);
+      } catch (err) {
+        if (!active) return;
+        setError(err instanceof Error ? err.message : 'Failed to load stats');
+      } finally {
+        if (active) {
+          setLoading(false);
+          timer = window.setTimeout(poll, intervalMs);
+        }
+      }
+    };
+
+    poll();
+
+    return () => {
+      active = false;
+      if (timer) {
+        window.clearTimeout(timer);
+      }
+    };
+  }, [eventToken, intervalMs]);
+
+  return { stats, loading, error } as const;
+}