feat: implement real user login state and fix profile view

pages/UserProfile.tsx

@@ -1,24 +1,29 @@
 import React, { useState, useEffect } from 'react';
 import { Camera, Save, Mail, User as UserIcon, Building, Shield, Loader2, CheckCircle2 } from 'lucide-react';
-import { USERS } from '../constants';
+import { getUserById } from '../services/dataService';
 import { User } from '../types';
 
 export const UserProfile: React.FC = () => {
-  // Simulating logged-in user state
   const [user, setUser] = useState<User | null>(null);
   const [isLoading, setIsLoading] = useState(false);
   const [isSuccess, setIsSuccess] = useState(false);
   
-  // Form State
   const [name, setName] = useState('');
   const [bio, setBio] = useState('');
   
   useEffect(() => {
-    // Simulate fetching user data
-    const currentUser = USERS[0];
-    setUser(currentUser);
-    setName(currentUser.name);
-    setBio(currentUser.bio || '');
+    const fetchUser = async () => {
+      const storedId = localStorage.getItem('ctms_user_id');
+      if (storedId) {
+        const fetchedUser = await getUserById(storedId);
+        if (fetchedUser) {
+          setUser(fetchedUser);
+          setName(fetchedUser.name);
+          setBio(fetchedUser.bio || '');
+        }
+      }
+    };
+    fetchUser();
   }, []);
 
   const handleSubmit = (e: React.FormEvent) => {