feat: initial prototype works

I can log in and create a book! Woo!

apps/frontend/src/app/initializers/auth.initializer.ts

@@ -0,0 +1,17 @@
+/**
+ * @copyright 2026 NHCarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+
+import { AuthService } from '../services/auth.service';
+import { catchError, of } from 'rxjs';
+
+export function initializeAuth(authService: AuthService) {
+  return () => authService.getCurrentUser().pipe(
+    catchError(() => {
+      // If not authenticated, that's okay - just continue
+      return of(null);
+    })
+  );
+}