byte battery 2026-10-10: the follow-up probes (the key length, lockers at depth, the same-key update) on seven checkpoints, the arm from 10,000 at 16,000, the tables and README updated, the battery's run section guarded
byte battery 2026-10-10: bit-depth accuracy reads on eight checkpoints (natural text with the copy map; the planted code at a cue; the random string repeated) + the tools