feat: implement initial Electron chat application with core UI components and Convex backend integration.

Frontend/Electron/src/pages/Register.jsx

@@ -13,6 +13,7 @@ function parseInviteParams(input) {
 const Register = () => {
     const [username, setUsername] = useState('');
     const [password, setPassword] = useState('');
+    const [confirmPassword, setConfirmPassword] = useState('');
     const [error, setError] = useState('');
     const [loading, setLoading] = useState(false);
     const [inviteKeys, setInviteKeys] = useState(null);
@@ -70,6 +71,12 @@ const Register = () => {
     const handleRegister = async (e) => {
         e.preventDefault();
         setError('');
+
+        if (password !== confirmPassword) {
+            setError('Passwords do not match');
+            return;
+        }
+
         setLoading(true);
 
         try {
@@ -176,6 +183,16 @@ const Register = () => {
                                 disabled={loading}
                             />
                         </div>
+                        <div className="form-group">
+                            <label>Confirm Password</label>
+                            <input
+                                type="password"
+                                value={confirmPassword}
+                                onChange={(e) => setConfirmPassword(e.target.value)}
+                                required
+                                disabled={loading}
+                            />
+                        </div>
                         <button type="submit" className="auth-button" disabled={loading}>
                             {loading ? 'Generating Keys...' : 'Continue'}
                         </button>