manvr3d refactor#29

Draft

smlpt wants to merge 24 commits intomainfrom

big-manvr3d-refactor

Commits on Feb 3, 2026

CellTrackingBase: refactor to use the new scenery CursorTool
smlpt
committed
SphereLinkNodes: fix mergeSpots by adding early return on empty spots
smlpt
committed

Commits on Feb 5, 2026

CellTrackingBase, EyeTracking: change to new scenery MultiWristMenu API
smlpt
committed

Commits on Feb 6, 2026

Commits on Feb 10, 2026

Move maxInstanceUpdateCount and updateInstanceBuffers to InstancedNode
smlpt
committed