refactor(guest): retire legacy guest app and move shared modules

resources/js/guest-v2/lib/brandingTheme.tsx

@@ -2,9 +2,9 @@ import { Theme } from '@tamagui/core';
 import React from 'react';
 import type { Appearance } from '@/hooks/use-appearance';
 import { useAppearance } from '@/hooks/use-appearance';
-import { useEventBranding } from '@/guest/context/EventBrandingContext';
-import { relativeLuminance } from '@/guest/lib/color';
-import type { EventBranding } from '@/guest/types/event-branding';
+import { useEventBranding } from '@/shared/guest/context/EventBrandingContext';
+import { relativeLuminance } from '@/shared/guest/lib/color';
+import type { EventBranding } from '@/shared/guest/types/event-branding';
 
 const LIGHT_LUMINANCE_THRESHOLD = 0.65;
 const DARK_LUMINANCE_THRESHOLD = 0.35;

resources/js/guest-v2/lib/cachePolicy.ts

@@ -0,0 +1,20 @@
+export function shouldCacheResponse(response: Response | null): boolean {
+  if (!response) {
+    return false;
+  }
+
+  const cacheControl = response.headers.get('Cache-Control') ?? '';
+  const pragma = response.headers.get('Pragma') ?? '';
+  const normalizedCacheControl = cacheControl.toLowerCase();
+  const normalizedPragma = pragma.toLowerCase();
+
+  if (normalizedCacheControl.includes('no-store') || normalizedCacheControl.includes('private')) {
+    return false;
+  }
+
+  if (normalizedPragma.includes('no-cache')) {
+    return false;
+  }
+
+  return true;
+}

resources/js/guest-v2/lib/eventBranding.ts

@@ -1,5 +1,5 @@
-import type { EventBranding } from '@/guest/types/event-branding';
-import type { EventBrandingPayload } from '@/guest/services/eventApi';
+import type { EventBranding } from '@/shared/guest/types/event-branding';
+import type { EventBrandingPayload } from '@/shared/guest/services/eventApi';
 
 export function mapEventBranding(raw?: EventBrandingPayload | null): EventBranding | null {
   if (!raw) {

resources/js/guest-v2/lib/guestTheme.ts

@@ -1,5 +1,5 @@
-import { DEFAULT_EVENT_BRANDING, useOptionalEventBranding } from '@/guest/context/EventBrandingContext';
-import type { EventBranding } from '@/guest/types/event-branding';
+import { DEFAULT_EVENT_BRANDING, useOptionalEventBranding } from '@/shared/guest/context/EventBrandingContext';
+import type { EventBranding } from '@/shared/guest/types/event-branding';
 import { useAppearance, type Appearance } from '@/hooks/use-appearance';
 import { resolveGuestThemeName } from './brandingTheme';