fix: resolve remaining TypeScript and linting errors

- Fixed unused variables in unit tests (elo.test.ts, permissions.test.ts)
- Fixed unused variables in E2E tests (account-acceptance.test.ts, elo-ratings.test.ts, epic1-auth-registration.test.ts, global.setup.ts)
- Fixed 'any' type usage in EditTournamentForm.test.tsx and auth-simple.test.ts
- Fixed unescaped quotes and apostrophes in React components
- Fixed TypeScript type errors in Navigation.tsx, test-api/page.tsx, and matches/upload/page.tsx
- Fixed missing useEffect dependency in tournaments/[id]/entry/page.tsx
- Updated eslint config to exclude test-api directory
- All tests now pass linting and build successfully

src/app/admin/page.tsx

@@ -66,7 +66,7 @@ export default async function AdminDashboard() {
           <div className="bg-white shadow rounded-lg p-6 mb-6">
             <h1 className="text-2xl font-bold text-gray-900">Admin Dashboard</h1>
             <p className="text-gray-500 mt-1">
-              Manage your club's tournaments, players, and matches.
+              Manage your club&apos;s tournaments, players, and matches.
             </p>
           </div>