Module validation 

Input and path validation helpers. Input validation helpers for CLI flags and paths.

Functions

is_valid_session_name

Check if a session name is valid (alphanumeric, hyphens, and underscores only).

reject_path_traversal

Reject path strings that attempt directory traversal via .. components.

reject_path_traversal_str

Same as reject_path_traversal for stringy CLI inputs.

reject_windows_reserved_basename

Reject basenames that are Windows reserved device names (NUL, COM1, …).

sanitize_session_component

Convert arbitrary caller-provided text into a valid session-name component.

session_name_error

Generate error message for invalid session name