docs: drop private-repo / HF_TOKEN wording, point to github.com/phuayj/able

Sync the model card with the public-release coordinates of the companion code package. Binary checkpoints unchanged (verified bitwise identical against local copies).

README.md

@@ -89,19 +89,20 @@ checkpoint and report the refreshed numbers.
   trajectories; inference pipelines must feed data through the paired
   preprocessing code in `able-public`.
 
-## Access
+## Download
 
-This repo is currently private. To download the checkpoints you need a
-Hugging Face token with read access. After authenticating (for example
-with `huggingface-cli login` or by exporting `HF_TOKEN=<token>`), run:
+The companion code package is available at https://github.com/phuayj/able.
+Install it and run the bundled checkpoint downloader:
 
 ```bash
-pip install -e able-public
+git clone https://github.com/phuayj/able.git
+cd able
+pip install -e .
 able-download-checkpoints --output-dir checkpoints
 ```
 
-If you do not already have access, open an issue on the paper's code
-repo or email the authors to request a read-capable token.
+This places all three checkpoint files under `checkpoints/`. No
+authentication is required for downloads.
 
 ## Citation