Retire successful imports to *.sav.imported and record content hashes so
re-pressing Import save (or the same bytes under a new name) cannot clone
slots. Surface multi-import counts and the active game tab in the notice.
Co-authored-by: Cursor <cursoragent@cursor.com>
Drop WIP status language, document Joy-Con controls and shortcuts,
credit the port and V1 testing help, and record community V1 boot evidence.
Co-authored-by: Cursor <cursoragent@cursor.com>
Andrew Quenehen