fix: symmetric calibration for wrist_roll motors in SO-101#3320

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cwzhong627-source wants to merge 2 commits intohuggingface:mainfrom

cwzhong627-source:fix/wrist-roll-calibration

Commits on Apr 8, 2026

fix: calibrate wrist_roll based on current position with symmetric range
cwzhong627-source
committed

Commits on Apr 9, 2026

fix: exclude wrist_roll from homing to avoid offset overflow (>2047)
cwzhong627-source
committed