Fix LFS

.forgejo/workflows/docker-publish.yml

@@ -12,6 +12,13 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        # The product-demo videos and their poster JPGs live in Git LFS
+        # (see .gitattributes). Without this, checkout writes ~130-byte LFS
+        # pointer text files, the Docker build copies those stubs into
+        # frontend/dist/video/*, and the server serves text as video/mp4 —
+        # so the videos never load in production. Smudge the real binaries.
+        with:
+          lfs: true
 
       - name: Build and publish main image
         uses: http://forgejo:3000/andras/ci-actions/docker-publish@main