feat: PWA offline capture — IndexedDB queue, service worker cache, auto-sync on reconnect

app/report/page.tsx

@@ -4,6 +4,7 @@ import { redirect } from 'next/navigation'
 import { createClient } from '@/lib/supabase/server'
 import { ReportForm } from '@/components/incidents/report-form'
 import { LanguageSwitcher } from '@/components/language-switcher'
+import { OfflineSync } from '@/components/incidents/offline-sync'
 
 interface Props {
   searchParams: Promise<{ zone?: string }>
@@ -47,6 +48,7 @@ export default async function ReportPage({ searchParams }: Props) {
         )}
       </div>
       <ReportForm zoneToken={zone ?? null} zoneName={zoneName} siteName={siteName} />
+      <OfflineSync />
     </main>
   )
 }