Working state: pids, logs, captured frames.
2/run/
ROM images — extracted from the archive in Downloads, not source — and the cartridge saves the native app writes beside them.
6/roms/*.sfc 7/roms/*.sav
9/.direnv/
Build output: buck2's, and cargo's when it is run directly.
12/buck-out/ 13/target/
Machine snapshots the native app keeps beside a ROM.
15*.states/