- Update `DELETE /api/sessions/:id` in `server/routes/sessions.ts` to allow event creators to delete guests' sessions.
- Update page hierarchy and top headings in `ui/components/SessionsPage.tsx`.
- Refactor `EventAttendeesDrawer.tsx` to `EventGuestsDrawer.tsx` as a fixed slide-over overlay.
- Add multi-event compact view toggle with `localStorage` persistence in `EventCockpitDeck.tsx`.
- Standardize dynamic countdown pills across `EventCockpitDeck.tsx`, `EventGuestsDrawer.tsx`, `SessionDeck.tsx`, and `SessionTable.tsx`.
- Optimize mobile session deck in `SessionDeck.tsx`.
Co-authored-by: mrteye <1945243+mrteye@users.noreply.github.com>
