fix(cloud): request automatic Space launch (#2501)

Co-authored-by: dadachann <185672915+dadachann@users.noreply.github.com>

tests/unit_tests/api/service/test_space_service.py

@@ -134,6 +134,18 @@ class TestSpaceServiceGetOAuthAuthorizeUrl:
         # Verify - uses default URL
         assert 'https://space.langbot.app/auth/authorize' in result
 
+    def test_cloud_entry_url_requests_automatic_launch(self):
+        """Cloud's login entry must continue through the Space launcher."""
+        ap = SimpleNamespace(
+            instance_config=SimpleNamespace(
+                data={'space': {'url': 'https://space.example/base/'}},
+            ),
+        )
+
+        result = SpaceService(ap).get_cloud_entry_url()
+
+        assert result == 'https://space.example/base/cloud?environment=beta&auto_launch=1'
+
 
 class TestSpaceServiceGetUserByEmail:
     """Tests for _get_user_by_email internal method."""