Module utils 

Structs

RomGroup

One game entry for list display: same name (base + updates/DLC) shown once.

Functions

format_size

Human-readable file size.

group_roms_by_name

Group ROMs by game name; primary is the “base” file (prefer over "[Update]" / "[DLC]" tags in fs_name when present).

sanitize_filename

Make a filename safe for the local filesystem.

truncate

Truncate a string to max chars, appending “…” if trimmed.