Further tweaks

server/logging_utils.py

@@ -1,13 +1,35 @@
 import logging
+from pathlib import Path
 from typing import Optional
 
 
 DEFAULT_LOG_FORMAT = "%(asctime)s - %(levelname)s - %(message)s"
+DEFAULT_LOG_PATH = Path(__file__).resolve().parent.parent / "sublogue.log"
 
 
-def configure_logging(level: int = logging.INFO, fmt: str = DEFAULT_LOG_FORMAT) -> None:
-    """Configure application logging."""
-    logging.basicConfig(level=level, format=fmt)
+def configure_logging(
+    level: int = logging.INFO,
+    fmt: str = DEFAULT_LOG_FORMAT,
+    log_path: Path = DEFAULT_LOG_PATH,
+) -> None:
+    """Configure console and root-level file logging for the application."""
+    root_logger = logging.getLogger()
+
+    if getattr(root_logger, "_sublogue_logging_configured", False):
+        return
+
+    formatter = logging.Formatter(fmt)
+    handlers = [
+        logging.StreamHandler(),
+        logging.FileHandler(log_path, encoding="utf-8"),
+    ]
+
+    for handler in handlers:
+        handler.setFormatter(formatter)
+        root_logger.addHandler(handler)
+
+    root_logger.setLevel(level)
+    root_logger._sublogue_logging_configured = True
 
 
 def get_logger(name: Optional[str] = None) -> logging.Logger: