- Reworked the tenant admin login page

- Updated the User model to implement Filament’s tenancy contracts
- Seeded a ready-to-use demo tenant (user, tenant, active package, purchase)
- Introduced a branded, translated 403 error page to replace the generic forbidden message for unauthorised admin hits
- Removed the public “Register” links from the marketing header
- hardened join event logic and improved error handling in the guest pwa.

resources/js/guest/polling/usePollStats.ts

@@ -28,6 +28,12 @@ export function usePollStats(eventKey: string | null | undefined) {
         headers: { 'Cache-Control': 'no-store' },
       });
       if (res.status === 304) return;
+      if (!res.ok) {
+        if (res.status === 404) {
+          setData({ onlineGuests: 0, tasksSolved: 0, latestPhotoAt: null });
+        }
+        return;
+      }
       const json: StatsResponse = await res.json();
       setData({
         onlineGuests: json.online_guests ?? 0,