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motion-video-recreation

Recreate reference motion videos through HyperFrames v2, Motion IR, deterministic export, and source-to-output visual review.

plugins/jangtrinh/design-os-svg-animation/skills/motion-video-recreation/SKILL.md

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# Motion Video Recreation (v2)

**Read [the normative pipeline contract](../../docs/pipelines/motion-video-recreation-pipeline.md) before work.** It defines intake, scene/transition ledger, stage exits, hard fails, verification, acceptance, and cross-session handoff. [Lessons from Astra](../../docs/pipelines/motion-video-recreation-workflow-guide.md) explain the failure modes. Do not use a numeric parity promise or treat technical gates as visual acceptance.

## Mandatory preconditions

1. Read `AGENTS.md`, the active case plan, and `skills/product-designer/SKILL.md`. Activate/consult Product Designer before creating, modifying, or auditing scenes, UI or animation. Check the current worktree and preserve existing changes.
2. Identify the source video, native metadata, frame-index evidence, deliverable format, rights boundary, and current encoded artifact. If the source is unavailable, mark visual comparison unverified.
3. Record the owner's decisions on asset substitutions, scope, review and publication. Do not silently override them.

## Execute the contract

1. **Deconstruct:** use `scripts/detect-scene-cuts.mjs` and `scripts/extract-audio-waveform.mjs` as aids, then manually map every state and soft transition. Create source-indexed scene and boundary records per the contract.
2. **Stage:** map states to supported HyperFrames beats in `src/runtime/hyperframes-engine.mjs`, build a finite paused draft, and sample `src/runtime/hyperframes-motion-presets.mjs` for each declared timing track. Record reference-specific exceptions.