commit 06270ebdb931f2740fe58b219eb5885ded4f242d
Author: Gary Wang <git@blumia.net>
Date:   Sun Sep 20 19:08:30 2026 +0800

    video

diff --git a/whiteboard-demo.mp4 b/whiteboard-demo.mp4
new file mode 100644
index 0000000..a14614c
Binary files /dev/null and b/whiteboard-demo.mp4 differ