feat: integrate R2 for secure build artifact downloads and update flashing flow with authentication

src/components/Navbar.tsx

@@ -31,7 +31,9 @@ export default function Navbar() {
           <div className="flex items-center gap-4">
             <Unauthenticated>
               <Button
-                onClick={() => signIn('google', { redirectTo: '/dashboard' })}
+                onClick={() =>
+                  signIn('google', { redirectTo: window.location.href })
+                }
                 className="bg-white text-slate-900 hover:bg-slate-200"
               >
                 Sign in

src/components/ProfileCard.tsx

@@ -30,7 +30,7 @@ export function ProfileStatisticPills({
 }
 
 interface ProfileCardContentProps {
-  profile: Doc
+  profile: Doc<'profiles'>
 }
 
 export function ProfileCardContent({ profile }: ProfileCardContentProps) {

src/components/ProfileEditor.tsx

@@ -18,7 +18,7 @@ interface ProfileFormValues {
 }
 
 interface ProfileEditorProps {
-  initialData?: Doc
+  initialData?: Doc<'profiles'>
   onSave: () => void
   onCancel: () => void
 }