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2026-08-26: Re-checked every claim against polyrepo-clones/freemocap_blender_addon (main): animation_panel.py section list and the commented-out Set Bone Rotation Limits block, retarget_animation_properties.py fields, limit_markers_range_of_motion_properties.py toggles and hand track-marker enums, foot_locking_properties.py fgm parameters, ui_utilities.find_matching_bone_in_target_list, and operator registration in blender_ui/operators/__init__.py
2026-08-24: freemocap_blender_addon source read directly (package v2026.04.1041); integration verified against the FreeMoCap clone (the core Blender export module)

Animation tools

The Animation panel groups the retargeting and cleanup operators:

Retarget: pick source and target armatures, root bones, per-axis conventions for each, and the target's rotation mixmode and owner/target spaces. Detect Bone Mapping fills a pair list by matching each source bone to a target bone via find_matching_bone_in_target_list; pairs are individually editable through a Blender UI list before Retarget Animation runs.
Limit Markers Range of Motion: independent toggles for palm, proximal, intermediate, and distal phalanx markers, a range-of-motion scale, and the two hand track-marker assignments.
Foot Locking: choose a locking method, tune the foot-group-movement parameters (target foot, z threshold, ground level, negative height limit, frame window size, attenuation count, xy radius, moving-average window, knee/hip compensation coefficients, upper-body compensation), and apply.
Set Bone Rotation Limits: the operator is registered, but its entire UI section in the panel is commented out, so it is currently unreachable from the interface.