Demo assets v0.1 — LIBERO demos + Spirit action chunk

First milestone assets bundle.

LIBERO reproduction demos

• openvla_libero_4suite_demo.mp4 (5 MB, 40 clips) — all 4 suites, one success per task
• openvla_libero_3suite_demo.mp4 (2.9 MB, 30 clips) — Spatial + Object + Goal
• openvla_libero_spatial_demo.mp4 (1 MB, 10 clips) — Spatial only

Spirit v1.5 first results

• action_chunks.png — Spirit v1.5 zero-shot action-chunk predictions on RTX 3090
  (3 noise samples × 60 steps × 14 DoF, bf16 + autocast + monkey-patch path).
  See docs/troubleshooting.md and docs/insights.md for engineering notes.

Headline metrics

• OpenVLA-7B on LIBERO: 67% avg SR (vs paper 76.5)
• Spirit v1.5 on RTX 3090: 6.1 Hz steady-state bf16 inference, 10 GB VRAM