fix: enable DEBUG logging for development (configurable via LOG_LEVEL env var)

backend/logger.py

@@ -14,7 +14,9 @@ LOG_FILE_PATH = os.path.join(LOGS_DIR, "backend.log")
 
 def setup_logger():
     logger = logging.getLogger("ainventory")
-    logger.setLevel(logging.INFO)
+    # Set to DEBUG for development; change to INFO for production
+    log_level = os.environ.get("LOG_LEVEL", "DEBUG")
+    logger.setLevel(getattr(logging, log_level.upper(), logging.INFO))
     
     # Avoid duplicate handlers if setup multiple times
     if logger.handlers: