Pip

1<!--
2  Layout: pip — card fills canvas, video rounded PiP in corner
3  ─────────────────────────────────────────────────────────────────────
4  Implementation: card.zone = "fullscreen" + shrink #video-wrap to a
5  corner pill via GSAP, and add a .pip-pill CSS class for the chrome.
6
7  Recommended storyboard.json card entry (strict v3):
8    {
9      "id": "card-XX",
10      "intent": "content-heavy moment with speaker as small accent",
11      "startSec": 8, "endSec": 14,
12      "accentIndex": 0,
13      "zone": "fullscreen",
14      "contentHints": { "kicker": "...", "title": "...", "detail": "..." }
15