Add release plan note: refined SMAL params coming later

README.md

@@ -151,6 +151,10 @@ from datasets import load_dataset
 ds = load_dataset("<your-username>/interpet4d_ver1")
 ```
 
+## Release Plan
+
+The current `smal_npy/` contains **raw SMAL fits** directly from our automated pipeline. A **refined / cleaned-up version of the SMAL parameters** will be released in a future update.
+
 ## Intended Uses
 
 - Cross-species (human ↔ dog) interaction modeling