Add a Speaker Mode so presenters can control slides, view notes, and track time while the presentation runs in another tab. - [x] Add button to open presentation in a new tab. - [ ] Control slides (next / prev) and sync both tabs. - [ ] Show a timer with start, pause, reset. - [ ] Display private speaker notes per slide. - [ ] Keep slides synced even after refresh. > Sync slides via `BroadcastChannel` or etc.
Add a Speaker Mode so presenters can control slides, view notes, and track time while the presentation runs in another tab.