Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

backend/logger/formatter.py

@@ -93,7 +93,7 @@ def resolve_module_name(record: logging.LogRecord) -> str:
        package — the parent directory name — so it reads as ``roms`` instead.
     """
     explicit = getattr(record, "module_name", None)
-    if explicit:
+    if explicit is not None:
         return str(explicit)
 
     module = record.module