add model card

README.md

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+---
+license: apache-2.0
+library_name: pytorch
+tags:
+  - video-generation
+  - robotics
+  - world-model
+---
+
+# OSCAR-2B
+
+Omni-Embodiment Skeleton-Conditioned Action World Model for Robotics.
+Public inference release for the OSCAR-2B checkpoint (fine-tune of
+Cosmos-Predict2.5-2B for skeleton-conditioned robot video generation).
+
+See <https://github.com/wuzy2115/oscar> for the inference code and
+quick-start instructions.
+
+## Contents
+
+- `model/`           — distributed checkpoint shards (~4 GB)
+- `assets/`          — 14 benchmark cases (rgb.mp4, gripper_scenario.mp4, caption.pickle)
+- `case_map.json`    — case → embodiment / start_frame / original episode mapping