feat: transcode ShumiLand reels to web-optimized MP4+WebM for autoplay

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

scripts/transcode-video.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+set -euo pipefail
+SRC="${1:-/Users/ai_leed/Downloads/ShumiLand_Reels_.mp4}"
+DEST_DIR="public/videos"
+mkdir -p "$DEST_DIR"
+
+echo "Transcoding H.264..."
+ffmpeg -y -i "$SRC" \
+  -vcodec libx264 -crf 28 -preset slow -movflags +faststart \
+  -vf "scale='min(720,iw)':-2" -an \
+  "$DEST_DIR/shumiland-reels.mp4"
+
+echo "Transcoding VP9..."
+ffmpeg -y -i "$SRC" \
+  -c:v libvpx-vp9 -crf 34 -b:v 0 -row-mt 1 \
+  -vf "scale='min(720,iw)':-2" -an \
+  "$DEST_DIR/shumiland-reels.webm"
+
+echo "Done:"
+ls -lh "$DEST_DIR"