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mckero
1364d46e97
assets/flash.img was gitignored, so the only copy of the never-booted image lived on one disk. The emulator writes to that image, so a session can leave edited settings or a damaged EEPROM behind with nothing to restore from. assets/pristine/ now holds the image as first generated, gzipped and checksummed, and is tracked deliberately. Gzip takes it from 2 MiB to 2.3 KiB because the image is nearly all 0xFF, which is what makes keeping it in git reasonable. The live image and its .bak-* files stay ignored. Two checksums are recorded, for the archive and for its contents, so a corrupted archive is distinguishable from one that was replaced. tools/restore_flash.sh verifies, diffs, or restores. Restore backs up the current image first, then re-checks the result, since a restore that silently half-worked would be worse than none. Verified by deliberately corrupting the live image: --diff reported 32 differing bytes, restore backed up and rewrote it, and --diff then reported no change. The image is currently byte-identical to what make_flash.py produces, so this is the genuine original rather than a copy of something already used.