Dog video from cat + inverted user video concatenated.
Uses the new invert effect with frame-by-frame API.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Chains identity effect followed by dog effect on cat input.
Demonstrates effect chaining: SOURCE → EFFECT → EFFECT → output
Since identity(cat) = cat, the result is dog(cat) = dog video.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>