fix(auth): tratar credenciais invalidas com HTTP 401 e habilitar auto-login no cadastro

backend/src/main/java/net/beetechgroup/beetask/interfaceadapters/controllers/InvalidCredentialsExceptionMapper.java

@@ -0,0 +1,23 @@
+package net.beetechgroup.beetask.interfaceadapters.controllers;
+
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.Response;
+import jakarta.ws.rs.ext.ExceptionMapper;
+import jakarta.ws.rs.ext.Provider;
+import net.beetechgroup.beetask.usecase.auth.login.InvalidCredentialsException;
+
+import java.util.Map;
+
+@Provider
+public class InvalidCredentialsExceptionMapper implements ExceptionMapper<InvalidCredentialsException> {
+    @Override
+    public Response toResponse(InvalidCredentialsException exception) {
+        return Response.status(Response.Status.UNAUTHORIZED)
+                .type(MediaType.APPLICATION_JSON)
+                .entity(Map.of(
+                        "error", "Unauthorized",
+                        "message", exception.getMessage() != null ? exception.getMessage() : "Credenciais inválidas"
+                ))
+                .build();
+    }
+}

backend/src/main/java/net/beetechgroup/beetask/usecase/auth/login/InvalidCredentialsException.java

@@ -0,0 +1,7 @@
+package net.beetechgroup.beetask.usecase.auth.login;
+
+public class InvalidCredentialsException extends RuntimeException {
+    public InvalidCredentialsException(String message) {
+        super(message);
+    }
+}

backend/src/main/java/net/beetechgroup/beetask/usecase/auth/login/LoginUseCase.java

@@ -31,7 +31,7 @@ public class LoginUseCase {
 
         if (userOptional.isEmpty()) {
             LOGGER.warnf("Login failed because email %s was not found", input.email());
-            throw new RuntimeException("Invalid credentials");
+            throw new InvalidCredentialsException("E-mail ou senha incorretos.");
         }
 
         User user = userOptional.get();
@@ -56,7 +56,7 @@ public class LoginUseCase {
 
         if (!passwordMatches) {
             LOGGER.warnf("Login failed because password did not match for email %s", input.email());
-            throw new RuntimeException("Invalid credentials");
+            throw new InvalidCredentialsException("E-mail ou senha incorretos.");
         }
 
         LOGGER.infof("Login authenticated for user %s", input.email());

frontend/src/lib/api.ts

@@ -55,8 +55,12 @@ export async function apiFetch<T>(path: string, options: RequestOptions = {}): P
       const parsed = JSON.parse(text)
       if (parsed.message) {
         errorMessage = parsed.message
-      } else if (parsed.error) {
+      } else if (parsed.error && typeof parsed.error === 'string') {
         errorMessage = parsed.error
+      } else if (parsed.details) {
+        errorMessage = response.status >= 500
+          ? 'Ocorreu um erro interno no servidor. Tente novamente em instantes.'
+          : parsed.details
       }
     } catch {
       // Usar texto puro

frontend/src/pages/AuthPage.tsx

@@ -91,11 +91,19 @@ export const AuthPage = () => {
 
     try {
       await register(name, email, password)
-      setSuccessMessage('Conta criada com sucesso! Faça login para acessar seu workspace.')
+      try {
-      setMode('login')
+        const response = await login(email, password)
-      setSearchParams({ mode: 'login' })
+        if (!response.organizations || response.organizations.length === 0) {
-      setPassword('')
+          navigate('/organizations')
-      setConfirmPassword('')
+        } else {
+          navigate('/dashboard')
+        }
+        return
+      } catch {
+        setSuccessMessage('Conta criada com sucesso! Faça login para acessar seu workspace.')
+        setMode('login')
+        setSearchParams({ mode: 'login' })
+      }
     } catch (err: unknown) {
       const msg = err instanceof Error ? err.message : 'Erro ao criar conta. Tente novamente.'
       setErrorMessage(msg)