perf(www): cache index.html at edge, lazy-load auth dialogs

apps/www/public/_headers

@@ -0,0 +1,8 @@
+/assets/*
+  Cache-Control: public, max-age=31536000, immutable
+
+/fonts/*
+  Cache-Control: public, max-age=31536000, immutable
+
+/*.html
+  Cache-Control: public, max-age=60, must-revalidate

apps/www/src/routes/__root.tsx

@@ -2,15 +2,20 @@ import { Toaster } from '@gbfm/ui'
 import { FPSMeter } from '@overengineering/fps-meter'
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { createRootRouteWithContext, HeadContent, Outlet } from '@tanstack/react-router'
-import { Suspense } from 'react'
+import { lazy, Suspense } from 'react'
 import { VerifyEmailBanner } from '@/components/Auth/VerifyEmailBanner'
-import { AuthPromptDialog } from '@/components/AuthPromptDialog'
 import { ErrorBoundary } from '@/components/ErrorBoundary'
 import AppShell from '@/components/Layout/AppShell'
 import { OfflineBanner } from '@/components/OfflineBanner'
-import { WelcomeModal } from '@/components/onboarding/WelcomeModal'
 import { ThemeProvider } from '@/components/ThemeProvider'
 import { env } from '@/env'
+
+const AuthPromptDialog = lazy(() =>
+  import('@/components/AuthPromptDialog').then((m) => ({ default: m.AuthPromptDialog }))
+)
+const WelcomeModal = lazy(() =>
+  import('@/components/onboarding/WelcomeModal').then((m) => ({ default: m.WelcomeModal }))
+)
 export interface MyRouterContext {
   auth: {
     user: {
@@ -61,8 +66,10 @@ export const Route = createRootRouteWithContext<MyRouterContext>()({
               )}
               <OfflineBanner />
               <VerifyEmailBanner />
-              <WelcomeModal />
-              <AuthPromptDialog />
+              <Suspense fallback={null}>
+                <WelcomeModal />
+                <AuthPromptDialog />
+              </Suspense>
               <Outlet />
             </AppShell>
           </QueryClientProvider>

infra/www.ts

@@ -3,7 +3,7 @@ import { secret } from './secret'
 import { isLocal } from './stage'
 import { vps_gateway } from './vps'
 
-export const www = new sst.aws.StaticSite('gbfm-www', {
+export const www = new sst.cloudflare.StaticSiteV2('gbfm-www', {
   path: './apps/www',
   build: {
     command: 'bun run build',
@@ -18,7 +18,6 @@ export const www = new sst.aws.StaticSite('gbfm-www', {
   },
   domain: {
     name: `www.${domain}`,
-    dns: sst.cloudflare.dns({ proxy: true }),
     ...($app.stage === 'prod' ? { aliases: [domain] } : {})
   }
 })

sst-env.d.ts

@@ -99,7 +99,7 @@ declare module "sst" {
       "value": string
     }
     "gbfm-www": {
-      "type": "sst.aws.StaticSite"
+      "type": "sst.cloudflare.StaticSite"
       "url": string
     }
     "gbfm_network": {