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/protected_phrases/matching.py

@@ -393,7 +393,7 @@ async def index_chunk_phrase_mentions_for_book(
     for chunk in chunks:
         count += await index_chunk_phrase_mentions(session, chunk, lookup=active_lookup)
     await session.flush()
-    logger.info("ebook_chunk_phrase_mentions_indexed book_id=%s mentions=%s", book_id, count)
+    logger.info(f"ebook_chunk_phrase_mentions_indexed {book_id=} {count=}")
     return count