fix(api): accept slashless api urls

tests/apps/user/test_views.py

@@ -113,6 +113,16 @@ class LoginViewTest(APITestCase):
         self.assertIn("refresh", response.data)
         self.assertIn("access", response.data)
 
+    def test_login_accepts_slashless_api_url(self):
+        """Frontend clients can call API URLs without Django's trailing slash."""
+        response = self.client.post(
+            self.login_url.rstrip("/"), self.login_data, format="json"
+        )
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertIn("refresh", response.data)
+        self.assertIn("access", response.data)
+
     def test_login_invalid_credentials(self):
         """Test login fails with invalid credentials"""
         data = self.login_data.copy()