feat: bulk XML upload, period selector, and session persistence

- Add bulk XML CFDI upload support (up to 300MB)
- Add period selector component for month/year navigation
- Fix session persistence on page refresh (Zustand hydration)
- Fix income/expense classification based on tenant RFC
- Fix IVA calculation from XML (correct Impuestos element)
- Add error handling to reportes page
- Support multiple CORS origins
- Update reportes service with proper Decimal/BigInt handling
- Add RFC to tenant view store for proper CFDI classification
- Update README with changelog and new features

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/web/app/(dashboard)/layout.tsx

@@ -17,17 +17,27 @@ export default function DashboardLayout({
   children: React.ReactNode;
 }) {
   const router = useRouter();
-  const { isAuthenticated } = useAuthStore();
+  const { isAuthenticated, _hasHydrated } = useAuthStore();
   const { theme } = useThemeStore();
 
   const currentTheme = themes[theme];
   const layout = currentTheme.layout;
 
   useEffect(() => {
-    if (!isAuthenticated) {
+    // Solo verificar autenticación después de que el store se rehidrate
+    if (_hasHydrated && !isAuthenticated) {
       router.push('/login');
     }
-  }, [isAuthenticated, router]);
+  }, [isAuthenticated, _hasHydrated, router]);
+
+  // Mostrar loading mientras se rehidrata el store
+  if (!_hasHydrated) {
+    return (
+      <div className="min-h-screen flex items-center justify-center bg-background">
+        <div className="animate-pulse text-muted-foreground">Cargando...</div>
+      </div>
+    );
+  }
 
   if (!isAuthenticated) {
     return null;