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tao-finetune-cosmos-reason

Shared Cosmos3 frontend that explicitly routes Cosmos Framework and Cosmos-RL, validates runtime model/video-dataset/SLURM inputs, consumes an SQSH or packaged backend image, optionally plans explicit clean source builds, prepares checkpoints, validates the first update in-process, and returns token-weighted losses and task-aware accuracy.

skills/tao-finetune-cosmos-reason/SKILL.md

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Apache-2.0

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# Cosmos3 TAO training

Keep one shared model-facing frontend. Backend image fields and contract paths
live under `backend_contracts` in `references/skill_info.yaml`; image literals
are stamped from `versions.yaml`, while referenced backend YAMLs define native
runtime schemas. Never translate between them.

## Mandatory runtime intake

Before planning training, collect all of the following. Do not infer a path
from history, another user, a prior job, an image, or a developer checkout.

- `base_model_path_or_uri`. For a Hugging Face model ID or URL, accept an
  optional friendly `base_model_revision` such as a branch or tag. If omitted,