update: arcticv2 + oakinkv2 retarget outputs; ignore logs/caches

fix: sharpa scenes hard-reset from upstream private-robots

fix: sharpa scenes regenerated from original palm site (no stale quat)

update: re-run xhand+sharpa pipelines with warm-start IK fix on remote L40S

fix: sharpa palm site orientation + IK cost sweep videos

add: sharpa retarget output for oakinkv2 (5 right-hand tasks)