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Torlando
b7ab97d624
A 31-character pack ID makes mounted tile paths (/sd/pyxis-map/packs/<id>/tiles/<z>/<x>/<y>.png) exceed the 68-byte mount buffer once either x or y is two digits, so beginRead returns INVALID_ARGUMENT and the UI shows 'Tile I/O error' at z4+ even though the file exists and is intact. Compiles the unmodified MapTilePack/MapTileStoreSD/SDAccess/codec/manifest sources against small Arduino/FreeRTOS host shims. The core section (no card needed) drives the real store with a model of the mount-prefix arithmetic and asserts the 31-char-ID boundary loads at z4/z5; an optional end-to-end section runs the real MapTilePack over a bound card root when /sd is writable. Fails on the current 64-byte PATH_CAPACITY: red by design.