Adds VIDEO_SOURCE_TYPES, getVideoSourceType, getVideoEmbedUrl to
shared-video for multi-platform embed support (Vimeo, Dailymotion,
Twitch). Adds SharedVideoTile and EmbedPlayerManager components.
Updates shared-music with embed player manager and source type helpers.
CSS fixes for meeting intelligence, toolbars, and filmstrip tiles.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add Zoom-like layout switching on mobile web: horizontal swipe on video area
toggles between speaker and tile view, tileview button now visible in toolbar
at mobile widths (≤470px), and layout indicator dots show current view mode.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Jeff Emmett