refactor(frontend): lint, one session guard, one request helper, one user context

src/pages/AdminHintsPage.jsx

@@ -1,5 +1,4 @@
 import {useCallback, useEffect, useState} from 'react';
-import {useNavigate} from 'react-router-dom';
 import {useTranslation} from 'react-i18next';
 import {Loader2, Send, Square} from 'lucide-react';
 import {toast} from 'sonner';
@@ -12,8 +11,6 @@ import {Label} from '@/components/ui/label';
 import {Textarea} from '@/components/ui/textarea';
 import HintCard from '../components/HintCard.jsx';
 import PageContainer from '../components/PageContainer.jsx';
-import useSessionExpired from '../hooks/useSessionExpired.js';
-import {hasSession} from '../utils/auth.js';
 import {createHint, endHint, fetchAdminHints} from '../utils/hints.js';
 import {MAX_HINT_LENGTH} from '../utils/limits.js';
 
@@ -35,8 +32,6 @@ const emptyForm = () => {
  */
 export default function AdminHintsPage() {
     const {t, i18n} = useTranslation();
-    const navigate = useNavigate();
-    const expireSession = useSessionExpired();
     const [hints, setHints] = useState([]);
     const [status, setStatus] = useState('loading');
     const [form, setForm] = useState(emptyForm);
@@ -45,10 +40,7 @@ export default function AdminHintsPage() {
     const load = useCallback(async () => {
         try {
             const response = await fetchAdminHints();
-            if (response.status === 401) {
-                expireSession();
-                return;
-            }
+            if (response.status === 401) return;
             if (response.status === 403) {
                 setStatus('forbidden');
                 return;
@@ -63,24 +55,17 @@ export default function AdminHintsPage() {
             console.error('Admin hints error:', err);
             setStatus('error');
         }
-    }, [expireSession]);
+    }, []);
 
     useEffect(() => {
-        if (!hasSession()) {
-            navigate('/login');
-            return;
-        }
         load();
-    }, [load, navigate]);
+    }, [load]);
 
     const run = async (request, doneKey, onOk) => {
         setBusy(true);
         try {
             const response = await request();
-            if (response.status === 401) {
-                expireSession();
-                return;
-            }
+            if (response.status === 401) return;
             if (response.ok) {
                 toast.success(t(doneKey));
                 onOk?.();