PID0930/gr00t-n17-metal-sort-v5-exthead-hand025-h50-30k

GR00T N1.7 fine-tune for G1 + Inspire metal-part sorting.

• Run label: groot_v5_exthead_hand025_h50_30k
• Dataset: PID0930/metal_part_sort_v5
• Visual inputs: external camera as logical head, left wrist, right wrist
• Vision/VLM tuning: disabled
• Action horizon: 50
• Hand/finger loss weight: 0.25