yuv-decks — Build Yuval Avidani-style cinematic decks The opinionated playbook for talk decks built on open-slide. Defines: - The Yuval voice — plain-language, no jargon, story-driven - The 4-act narrative arc — Boarding → Ascent → Cruise → Descent - The JourneyBar — the single unifying visual on every slide - Companion-skill orchestration — yuv-design-system, slide-authoring, nano-banana-pro, hyperframes, mermaid Visual palette is pulled from in Decks mode — Fly High purple/yellow/grey (the dedicated palette for slide-based output). For talks whose central metaphor IS literal flight, this sk…