upgrade to tamagui v2 and guest pwa overhaul

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

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+import React from 'react';
+import { fetchGallery } from '../services/photosApi';
+
+export type GalleryDelta = {
+  photos: Record<string, unknown>[];
+  latestPhotoAt: string | null;
+  nextCursor: string | null;
+};
+
+const emptyDelta: GalleryDelta = {
+  photos: [],
+  latestPhotoAt: null,
+  nextCursor: null,
+};
+
+export function usePollGalleryDelta(
+  eventToken: string | null,
+  options: { intervalMs?: number; locale?: string } = {}
+) {
+  const intervalMs = options.intervalMs ?? 30000;
+  const [data, setData] = React.useState<GalleryDelta>(emptyDelta);
+  const [loading, setLoading] = React.useState(Boolean(eventToken));
+  const [error, setError] = React.useState<string | null>(null);
+  const latestRef = React.useRef<string | null>(null);
+
+  React.useEffect(() => {
+    if (!eventToken) {
+      setData(emptyDelta);
+      setLoading(false);
+      setError(null);
+      latestRef.current = 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 response = await fetchGallery(eventToken, {
+          since: latestRef.current ?? undefined,
+          locale: options.locale,
+        });
+        if (!active) return;
+        const photos = Array.isArray(response.data) ? response.data : [];
+        const latestPhotoAt = response.latest_photo_at ?? latestRef.current ?? null;
+        latestRef.current = latestPhotoAt;
+        setData({
+          photos,
+          latestPhotoAt,
+          nextCursor: response.next_cursor ?? null,
+        });
+        setError(null);
+      } catch (err) {
+        if (!active) return;
+        setError(err instanceof Error ? err.message : 'Failed to load gallery updates');
+      } finally {
+        if (active) {
+          setLoading(false);
+          timer = window.setTimeout(poll, intervalMs);
+        }
+      }
+    };
+
+    poll();
+
+    return () => {
+      active = false;
+      if (timer) {
+        window.clearTimeout(timer);
+      }
+    };
+  }, [eventToken, intervalMs, options.locale]);
+
+  return { data, loading, error } as const;
+}

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

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+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;
+}