Refactor logging statements to use f-strings for improved readability and consistency across the codebase. This change enhances the clarity of log messages by directly embedding variable values, making it easier to trace and debug application behavior.

python/ebook_search/api/main.py

@@ -37,16 +37,9 @@ async def lifespan(app: FastAPI) -> AsyncIterator[None]:
     config = load_config()
     app.state.config = config
     logger.info(
-        "ebook_search_config_loaded top_k=%s embedding_model=%s embedding_base_url=%s vllm_base_url=%s "
-        "rerank_enabled=%s phrase_matching_enabled=%s answer_enabled=%s library_paths=%s",
-        config.top_k,
-        config.embedding_model,
-        config.embedding_base_url,
-        config.vllm_base_url,
-        config.rerank.enabled,
-        config.phrase_matching_enabled,
-        config.answer_enabled,
-        len(config.library_paths),
+        f"ebook_search_config_loaded {config.top_k=} {config.embedding_model=} {config.embedding_base_url=} "
+        f"{config.vllm_base_url=} {config.rerank.enabled=} {config.phrase_matching_enabled=} {config.answer_enabled=} "
+        f"library_paths={len(config.library_paths)}"
     )
     if not config.library_paths:
         logger.warning("ebook_search_no_library_paths_configured")