file '/Users/moon/.openclaw/workspace/youtube-automation/outputs/manual-reviews/concat_20260401/clip1.mp4'
file '/Users/moon/.openclaw/workspace/youtube-automation/outputs/manual-reviews/concat_20260401/clip2.mp4'
file '/Users/moon/.openclaw/workspace/youtube-automation/outputs/manual-reviews/concat_20260401/clip3.mp4'