[BACKEND] More explicit error message for PermissionError

src/ytdl_sub/utils/logger.py

@@ -221,6 +221,12 @@ class Logger:
             # Log validation exceptions as-is
             if isinstance(exception, ValidationException):
                 logger.error(str(exception))
+            # Log permission errors explicitly
+            elif isinstance(exception, PermissionError):
+                logger.error("A permission error occurred:\n%s", str(exception))
+                logger.error(
+                    "The user running ytdl-sub must have permission to this file/directory."
+                )
             # For other uncaught errors, log as bug:
             else:
                 logger.exception("An uncaught error occurred:")