Add skill enable controls and data factory SQL skill

tests/test_session_store.py

@@ -313,6 +313,7 @@ class TestRuntimeConfigSerialization(unittest.TestCase):
             session_directory=Path('/sessions'),
             scratchpad_root=Path('/scratch'),
             python_env_dir=Path('/python/.venv'),
+            enabled_skill_names=('verify', 'product-data'),
         )
         payload = serialize_runtime_config(config)
         restored = deserialize_runtime_config(payload)
@@ -346,6 +347,7 @@ class TestRuntimeConfigSerialization(unittest.TestCase):
         self.assertEqual(restored.output_schema.schema, config.output_schema.schema)
         self.assertTrue(restored.output_schema.strict)
         self.assertEqual(restored.python_env_dir, Path('/python/.venv'))
+        self.assertEqual(restored.enabled_skill_names, ('verify', 'product-data'))
 
     def test_round_trip_none_output_schema(self) -> None:
         config = AgentRuntimeConfig(
@@ -374,6 +376,7 @@ class TestRuntimeConfigSerialization(unittest.TestCase):
         self.assertFalse(config.disable_claude_md_discovery)
         self.assertIsNone(config.budget_config.max_total_tokens)
         self.assertIsNone(config.output_schema)
+        self.assertIsNone(config.enabled_skill_names)
 
     def test_deserialize_non_dict_permissions(self) -> None:
         payload = {'cwd': '/home', 'permissions': 'invalid'}