parrot: add nest_cups/tianji_wuji, stack_cubes/tianji_wuji

Delete trajs/parrot/feast

add handtrack_kettle: clean generated kettle (replaces broken lamp_kettle_cup/kettle for pour_kettle_cup)

assets(kettle): add kettle_fixed.usd — single rigid body at default prim, fixes IsaacSim sink-through-desk (generator: RoboVerse/scripts/fix_kettle_usd.py)

parrot: trash_bin/tianji_wuji +109 → 109 eps

parrot: pour_pitcher_bowl/tianji_wuji +3 → 3 eps

parrot: lamp_kettle_cup/tianji_wuji +107 → 146 eps

parrot: bimanual_lift_box/tianji_wuji +9 → 9 eps

fix(lift_table): flat-box tabletop collider so props rest upright on IsaacSim

fix(tianji_wuji): left-hand link2 180-deg frame flip + joint2 sense flip (5 fingers) (#4)

fix(tianji_wuji+meshy): sync render fixes from roboverse_data PR #34 (#3)

assets(desk_lamp): IsaacSim USD render asset (EmbodiedGen export) (#2)

Add IsaacSim USDs: box/gso container props + material-fixed kettle_matfix/meshycup_mat/board_nail_mat

prune trajs: remove 14 trajectories (fruit_tray, grasp_apple/bottle/candle/cuboid/cup/cylinder/sphere, sort_bins, trash_bin) (#1)

Prune unreferenced assets: generated, scenesmith_kitchen, deformable_bench, trajs fold_napkin

Sync lamp_kettle_cup cup/kettle textured USDs (OmniPBR base-color) from roboverse_data #33

Sync artvip/lift_table_1 lowered MJCF + hidden collision (group 3) from roboverse_data #32

Sync robots/tianji_wuji OmniPBR material rebuild from roboverse_data #31

Sync lift_table_1 from roboverse_data discussion #30 (lowered-zero rebuild, joint-zero tabletop 0.5704 m)

Duplicate from SomaStacksOrg/roboverse_data