Module persistence 

Enums

ModelError

Unified error type for model persistence and related operations.

Functions

load_zstd

Read and decompress a zstd-compressed file, returning the raw bytes.

pathbuf_to_string_result

Convert a PathBuf to a UTF-8 String, or return a ModelError.

save_zstd

Write data to path with zstd compression (level 19).