fix(frontend): resolve lint blockers for gitea frontend-ci

frontend/e2e/auth.spec.ts

@@ -15,7 +15,7 @@ import { test, expect } from '@playwright/test';
 /**
  * Robust club selection helper with fallback locators
  */
-async function selectClubIfPresent(page: any) {
+async function selectClubIfPresent(page: import('@playwright/test').Page) {
   const isOnSelectClub = page.url().includes('/select-club');
   
   if (!isOnSelectClub) {
@@ -182,7 +182,7 @@ test.describe('Authentication Flow', () => {
   });
 });
 
-async function authenticateUser(page: any, email: string, password: string) {
+async function authenticateUser(page: import('@playwright/test').Page, email: string, password: string) {
   await page.goto('/login');
   await page.click('button:has-text("Sign in with Keycloak")');