Module validation 

Structs

ValidationContext

Validation context for different command types

Functions

validate_context

Validate a complete validation context

validate_custom_format

Validate custom format string

validate_custom_format_file

Validate custom format file content and extension

validate_file_path

Validate file path exists and is readable

validate_language_code

Validate language code format using unic-langid (same as lib crate)

validate_output_path

Validate output directory exists or can be created

validate_standard_format

Validate standard format string