style: optimize gen2D deck layout, animations, and visual hierarchy
- style-keys.md: add v-clicks to 3x2 grid for staggered animation
- eino-graph.md: two-column layout (code left, Items right)
- eino-deep-dive.md: two-column layout for both slides, code+Items side-by-side
- async-deep-dive.md: two-column layout for both slides, SVG integrated
- harness.md: two-column layout for slide 1 (code left, Items right)
- request-journey.md: two-column layout for journey steps
- data-model.md: add v-clicks to grid items, increase diagram height
- architecture/pipeline/prompt-agent: increase SVG max-height for better visibility
wonder
5f99d2481a