setAuthToken method
🔹 Save token
Implementation
Future<void> setAuthToken(String token) async {
try {
_authToken = token;
final prefs = await SharedPreferences.getInstance();
await prefs.setString('auth_token', token);
print('✅ Token saved');
} catch (e) {
print('⚠️ Failed to save token: $e');
}
}