Implement KB features with codex

api/tests/test_assistants.py

@@ -119,6 +119,14 @@ class TestAssistantAPI:
         assert response.status_code == 200
         assert response.json()["knowledgeBaseId"] == "non-existent-kb"
 
+        assistant_id = response.json()["id"]
+        runtime_resp = client.get(f"/api/assistants/{assistant_id}/runtime-config")
+        assert runtime_resp.status_code == 200
+        metadata = runtime_resp.json()["sessionStartMetadata"]
+        assert metadata["knowledgeBaseId"] == "non-existent-kb"
+        assert metadata["knowledge"]["enabled"] is True
+        assert metadata["knowledge"]["kbId"] == "non-existent-kb"
+
     def test_assistant_with_model_references(self, client, sample_assistant_data):
         """Test creating assistant with model references"""
         sample_assistant_data.update({