Manter sessão e loading

lib/core/services/auth_service.dart

@@ -1,4 +1,5 @@
 import 'package:firebase_auth/firebase_auth.dart';
+import 'session_service.dart';
 
 /// Service for handling Firebase Authentication
 class AuthService {
@@ -90,12 +91,38 @@ class AuthService {
     try {
       print('DEBUG: Tentando fazer logout');
       await _auth.signOut();
-      print('DEBUG: Logout realizado com sucesso');
+
+      // Clear saved session
+      await SessionService.clearSession();
+
+      print('DEBUG: Logout e limpeza de sessão realizados com sucesso');
     } catch (e) {
       print('DEBUG: Erro ao fazer logout: $e');
     }
   }
 
+  /// Attempt auto-login with saved credentials
+  static Future<bool> attemptAutoLogin() async {
+    try {
+      final sessionData = await SessionService.shouldAutoLogin();
+
+      if (sessionData['shouldAutoLogin'] == true) {
+        final email = sessionData['email'];
+        print('DEBUG: Attempting auto-login for: $email');
+
+        // Note: For security reasons, we cannot auto-login without password
+        // This method just checks if auto-login is available
+        // The actual login still requires user to enter password
+        return true;
+      }
+
+      return false;
+    } catch (e) {
+      print('DEBUG: Error in auto-login attempt: $e');
+      return false;
+    }
+  }
+
   /// Get user-friendly error message
   static String _getErrorMessage(String code) {
     print('DEBUG: Processando código de erro: $code');