Update card: can_left_v4, camera-split checkpoints (head->lift / wrist->arm), dataset merge spec

Add camera-split checkpoints: lift_head (head stereo -> lift 1D) + arm_wrist (left wrist -> arm/gripper 16D), 38ep/25407f, 3000 steps

v4: can_left_v4 LeRobot 데이터셋 (0731 큐레이션 9ep, 5463프레임, v3스키마 state25/action17)

v4: 오늘(0731) 큐레이션 원본 9개 에피소드 (raw tar) 추가

Add dataset card: schema, data submission spec (episode-level 80/20 split), training baseline

Add pi05_can_left_v3_lora 2999 (server-trained, batch16/3000steps, final loss median 0.0324)

Add can_left_v2 (29 eps / 23,096 frames, v2 schema state19/action16)

Add can_left_v3 LeRobot v2.1 (29 eps / 19,944 frames): state25(+can/plate xyz FK-annotated), action17(+lift), tail-trimmed

Add left-hand-only data: raw_left_20260728 (13 curated eps, tar) + can_left LeRobot v2.1 (19 eps / 17,346 frames)

Add pi05_can1_lora checkpoint 2999 (openpi pi0.5 LoRA finetuned on can1, loss~0.033, RTX4090)

Add can1 (6ep/6903f, put the can on the plate) + can2 (1ep/2433f, take off) LeRobot v2.1 datasets

Add files using upload-large-folder tool

initial commit