v0.8.26 — fix multitask gaze arrow yaw sign - #82
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py-feat >=2.1.1 multitask gaze_yaw is positive = subject's right = source-image left — the SAME convention as L2CS — so the arrow's source-space dx is -sin(yaw) for both branches. The multitask branch's +sin was calibrated against pre-2.1 models whose gaze followed the head with erratic yaw; with 2.1.x the eyes are tracked and the inversion became obvious on head-turned eye-averted cases (arrow mirrored horizontally). Fixed in the Live/TS renderer and the Python renderer; the Python pose-cube axis-swap hack is flagged with a TODO for re-verification against 2.1.1 rather than changed blind. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01XqXEWPLMJmGaY1wuzVFZ9A
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py-feat 2.1.1's multitask gaze shares L2CS's yaw convention (positive = subject's right = source-left); both renderers now use -sin(yaw). The old +sin was calibrated against pre-2.1 head-following gaze. Python pose-cube swap flagged for re-verification, not changed.
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https://claude.ai/code/session_01XqXEWPLMJmGaY1wuzVFZ9A