[FA-misc] Switches to using DTOs, updates frontend with details and reader page, updates novel import to be an upsert

fictionarchive-web-astro/src/lib/components/AuthenticationDisplay.svelte

@@ -4,10 +4,10 @@
 
 	let isOpen = $state(false);
 
-	const email = $derived(
-		$user?.profile?.email ??
+	const name = $derived(
+		$user?.profile?.name ??
 			$user?.profile?.preferred_username ??
-			$user?.profile?.name ??
+			$user?.profile?.email ??
 			$user?.profile?.sub ??
 			'User'
 	);
@@ -38,7 +38,7 @@
 {:else if $user}
 	<div class="auth-dropdown relative">
 		<Button variant="outline" onclick={toggleDropdown}>
-			{email}
+			{name}
 		</Button>
 		{#if isOpen}
 			<div