Add noncommercial licensing and Stage 2 snapshot

README.md

@@ -1,6 +1,6 @@
 ---
 library_name: pytorch
-license: other
+license: cc-by-nc-4.0
 tags:
 - super-resolution
 - latent-diffusion
@@ -15,22 +15,38 @@ Research checkpoint storage for the `sr-diffusion` project.
 
 GitHub: https://github.com/BitIntx/sr-diffusion
 
-This project trains a vision-only x4 latent diffusion super-resolution pipeline
-from scratch. It does not use a pretrained text-to-image diffusion model.
+This is a public source-available, non-commercial research project. It trains a
+vision-only x4 latent diffusion super-resolution pipeline from scratch and does
+not use a pretrained text-to-image diffusion model.
 
 Current artifacts are study/research checkpoints. They are not a production SR
-model and are not intended for commercial use. Dataset license constraints
-should be reviewed before redistributing derived weights publicly.
+model.
+
+## License
+
+- Checkpoints, generated samples, metrics, and other non-code artifacts:
+  CC BY-NC 4.0.
+- Source code: PolyForm Noncommercial License 1.0.0.
+
+Commercial use is not permitted without separate written permission. This
+includes paid hosted inference, resale, and integration into commercial
+products.
+
+Training data is not redistributed in this repository. Dataset license
+constraints should be reviewed before training or redistributing derived
+weights.
 
 ## Artifacts
 
 | Path | Source | SHA256 |
 | --- | --- | --- |
+| `LICENSE` | `LICENSE` | `c635a1fa2c80` |
+| `CHECKPOINT_LICENSE.md` | `CHECKPOINT_LICENSE.md` | `da3b25759abb` |
 | `checkpoints/stage1_autoencoder_best_eval_recon.pt` | `best_eval_recon.pt` | `6f01ec6d1ded` |
 | `configs/autoencoder_photo10k.yaml` | `autoencoder_photo10k.yaml` | `b1743ae89efc` |
-| `checkpoints/stage2_latent_pretrain_step_0004000.pt` | `step_0004000.pt` | `0bf569e909d5` |
+| `checkpoints/stage2_latent_pretrain_step_0006000.pt` | `step_0006000.pt` | `ab329e28b48d` |
 | `configs/latent_pretrain_photo10k.yaml` | `latent_pretrain_photo10k.yaml` | `85175fa83f41` |
-| `metrics/stage2_step_0004000_metrics.json` | `step_0004000_metrics.json` | `189c98b4c35c` |
+| `metrics/stage2_step_0006000_metrics.json` | `step_0006000_metrics.json` | `261d5847fb93` |
 
 ## Stages