fix: tailwind v4 postcss, auth-server session, eslint cleanups

frontend/lib/AuthContext.jsx

@@ -0,0 +1,58 @@
+// frontend/context/AuthContext.jsx
+'use client';
+
+import { createContext, useState, useContext, useEffect } from 'react';
+import { api } from '@/lib/api';
+import { cookieDriver } from '@/app/_auth/drivers/cookieDriver';
+
+const AuthContext = createContext(null);
+const COOKIE_NAME = "access_token";
+
+export function AuthProvider({ children }) {
+  const [user, setUser] = useState(null);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    const initializeAuth = async () => {
+      const token = cookieDriver.get(COOKIE_NAME); 
+      if (token) {
+        try {
+          api.defaults.headers.Authorization = `Bearer ${token}`;
+          const response = await api.get('/auth/me');
+          setUser(response.data.user || response.data);
+        } catch (error) {
+          cookieDriver.remove(COOKIE_NAME);
+          delete api.defaults.headers.Authorization;
+        }
+      }
+      setLoading(false);
+    };
+    initializeAuth();
+  }, []);
+
+  const login = async (credentials) => {
+    const response = await api.post('/auth/login', credentials);
+    const { token, user } = response.data;
+    cookieDriver.set(COOKIE_NAME, token, { expires: 7 });
+    api.defaults.headers.Authorization = `Bearer ${token}`;
+    setUser(user);
+    return user;
+  };
+
+  const logout = () => {
+    cookieDriver.remove(COOKIE_NAME);
+    delete api.defaults.headers.Authorization;
+    setUser(null);
+    window.location.href = '/login';
+  };
+
+  return (
+    <AuthContext.Provider value={{ user, isAuthenticated: !!user, loading, login, logout }}>
+      {!loading && children}
+    </AuthContext.Provider>
+  );
+}
+
+export const useAuth = () => {
+  return useContext(AuthContext);
+};