Function get_lock_file_name 

pub fn get_lock_file_name(
    directory: &Path,
    name: &str,
) -> Result<PathBuf, LockError>

Converts a lock name to a safe file name and constructs the full path.

Rules

• Names with only alphanumeric, -, and _ are used as-is (with prefix)
• Other characters are replaced with underscores
• A Base32 hash is appended to ensure uniqueness and case-sensitivity
• The result is truncated to fit filesystem limits