feat(ingest): downstream claude-shorts viral video scriptwriting and pacing engine

[harshsinghmp]

Classification

actionable-feature

Context & Rationale

AgriciDaniel/claude-shorts provides structural frameworks for short-form video content across YouTube Shorts, TikTok, and Reels (hook pacing, visual cues, retention curves, audio direction).

Scope & Ingestion Plan

1. Ingest upstream from https://github.com/AgriciDaniel/claude-shorts.
2. Place into skills/marketing/claude-shorts.
3. Register in skills.manifest.json under Growth, Marketing & Social.

Verification Criteria

• skills/marketing/claude-shorts/SKILL.md exists and passes manifest schema validation.
• Registered in skills.manifest.json.
• Validated via bun test.