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nv-generate-mr-brain-finetune

Used for finetuning NV-Generate-CTMR MR-Brain v1 for T1, T2, FLAIR, SWI, or MRA data from a NIfTI datalist. Not for clinical or production data approval.

skills/nv-generate-mr-brain-finetune/SKILL.md

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# NV-Generate-MR-Brain-Finetune

## Purpose
- Used for finetuning the NV-Generate-CTMR `rflow-mr-brain` v1 diffusion UNet from user-supplied T1, T2, FLAIR, SWI, or MRA NIfTI training volumes.
- Not for clinical interpretation, regulatory use, or approving synthetic data for production training.
- The wrapper stages the config glue locally and delegates execution to existing upstream scripts: `scripts.diff_model_create_training_data`, `scripts.diff_model_train`, and optionally `scripts.diff_model_infer`. It does not execute the notebook.
- Manifest I/O: inputs are `datalist` and `data_base_dir`; outputs are `finetuned_checkpoint`, optional `inference_outputs`, and `result_json`.
- The underlying training contract is the upstream config/env JSON (the same one driven from cell `[10]` of `train_diff_unet_tutorial.ipynb`). The wrapper stages those JSON files for you and exposes the most-tuned fields as CLI flags; the sections below document the fields, their defaults, and how to monitor/tune a run.

## Instructions
- Read `skill_manifest.yaml` before changing arguments, side effects, or validation gates.
- Run `scripts/run_mr_brain_finetune.py` from the Medical AI Skills repo root.
- If a host agent exposes `run_script`, use `run_script("scripts/run_mr_brain_finetune.py", args=[...])`; otherwise run the Bash/Python command below.
- For a command-shape review, do not install packages, clone repositories,