[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/auth/authStore.ts

@@ -52,6 +52,10 @@ export async function initAuth() {
       user.set(result ?? null);
       if (result) {
         setCookieFromUser(result);
+        // Reload to let server see the new cookie
+        const cleanUrl = `${url.origin}${url.pathname}`;
+        window.location.href = cleanUrl;
+        return;
       }
     } catch (e) {
       console.error('Failed to complete sign-in redirect', e);