Add anime_scene rendering engine (AnimeScene + ParticleOverlay components) with multi-image
crossfade, 9 camera motion types, 5 particle systems, and cinematic lighting overlays.
Fix critical Remotion durationInFrames footgun by passing sceneDurationSeconds from parent.
Add audio offset/loop support in Explainer for skipping quiet music intros.
New tools: audio_energy.py analyzes per-second loudness via ebur128 to find optimal music
offset and detect when looping is needed.
Update all 6 animation pipeline skills (proposal, scene, asset, compose, executive-producer,
remotion.md) with battle-tested image_animation workflow including tool availability scan,
FLUX multi-image generation, composition JSON format, pre-render validation, and post-render
self-review.
Add 3 demo compositions (Candyland, Mori no Seishin, Deep Ocean) and anime-ghibli style
playbook. Update README with 3 anime video showcases and animation prompts. Add Animation
Pipeline section to PROMPT_GALLERY.md.