fix: support conversational mode draft updates

tests/integration/test_multidomain_service.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 
 import tempfile
 import unittest
+from shutil import copytree
 from pathlib import Path
 from unittest.mock import MagicMock, patch
 
@@ -96,6 +97,9 @@ class MultiDomainServiceTests(unittest.TestCase):
         self.temporary_directory = tempfile.TemporaryDirectory()
         self.addCleanup(self.temporary_directory.cleanup)
         self.service.artifact_root = Path(self.temporary_directory.name)
+        isolated_modes = Path(self.temporary_directory.name) / "modes"
+        copytree(REPOSITORY_ROOT / "config" / "modes", isolated_modes)
+        self.service.mode_profiles = ModeProfileRegistry(isolated_modes)
 
     def test_driver_massage_mode_and_strength_continuations_compile_locally(
         self,