Fix Google Login CORS and role-based redirection

frontend/src/components/auth/LoginForm.vue

@@ -50,6 +50,14 @@ const handleLogin = async () => {
   }
 }
 
+const navigateByUserRole = (role: string) => {
+  const r = role.toUpperCase()
+  if (r === 'ADMIN') router.push('/admin')
+  else if (r === 'DRIVER') router.push('/driver')
+  else if (r === 'PROMOTER') router.push('/promoter')
+  else router.push('/map')
+}
+
 const handleGoogleLogin = async () => {
   isLoading.value = true
   errorMessage.value = ''
@@ -63,11 +71,17 @@ const handleGoogleLogin = async () => {
       const response = await authService.googleLogin(token)
       console.log('Backend Google login exitoso:', response)
       authStore.login(response.access_token, response.role, response.full_name)
-      router.push('/map')
+      
+      // Navigate based on actual role from backend
+      navigateByUserRole(response.role)
     }
   } catch (error: any) {
     console.error('Error Google Login:', error)
-    errorMessage.value = `Error con Google: ${error.message || 'Error desconocido'}`
+    if (error.response?.data?.detail) {
+      errorMessage.value = `Error: ${error.response.data.detail}`
+    } else {
+      errorMessage.value = `Error con Google: ${error.message || 'Error desconocido'}`
+    }
   } finally {
     isLoading.value = false
   }