Replace the 4.6 MB GIF with a 148 KB MP4 (plus poster)

.gitattributes

@@ -40,3 +40,4 @@ weights/gbm_std_v2.skops filter=lfs diff=lfs merge=lfs -text
 weights/gbm_total_v3.skops filter=lfs diff=lfs merge=lfs -text
 gbm_std_v2.skops filter=lfs diff=lfs merge=lfs -text
 gbm_total_v3.skops filter=lfs diff=lfs merge=lfs -text
+assets/solidification.mp4 filter=lfs diff=lfs merge=lfs -text

README.md

@@ -36,7 +36,9 @@ does not replace a calibrated process simulation or physical validation, and a h
 shrinkage-risk indicator, not a porosity label.
 
 <p align="center">
-  <img src="assets/solidification.gif" alt="Predicted solidification playback" width="720"><br>
+  <video src="https://huggingface.co/eugenmik/castsolid-gnn/resolve/main/assets/solidification.mp4"
+         poster="https://huggingface.co/eugenmik/castsolid-gnn/resolve/main/assets/solidification_poster.jpg"
+         width="720" autoplay loop muted playsinline controls></video><br>
   <em>A predicted field played back over time. Solidified material turns translucent while the
   remaining liquid contracts toward the hot spot.</em>
 </p>

assets/{solidification.gif → solidification.mp4}

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:32aa99b45277161680d10e51f62b9a0665b36fc09ab1f20795415baa0a225d80
-size 4577374
+oid sha256:dbd93c8a3d987a0eee4e13aa6534b5a2df6576c5859835c1c624ad8ae0e13cba
+size 151057