converting to pydantic-settings

tests/test_ebook_search_core.py

@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 import logging
-from dataclasses import replace
 from datetime import UTC, datetime
 from os import environ
 from pathlib import Path
@@ -528,7 +527,7 @@ def test_chat_api_key_falls_back_to_ollama_api_key(monkeypatch) -> None:
 
 
 def test_answer_query_does_not_call_model_when_disabled() -> None:
-    config = replace(load_config(), answer_enabled=False)
+    config = load_config().model_copy(update={"answer_enabled": False})
     result = SearchResult(chunk_id=1, text="source text", source_title="Book")
 
     answer = answer_query("question", [result], config)