BREAKING: S key no longer overlays on the same page. It now opens a
separate browser window (window.open) for the presenter.
Audience window (original page):
- Stays completely untouched — normal slide view
- S key opens the presenter popup
- ← → / T / F / O all work as before
- Navigation syncs to presenter via BroadcastChannel
Presenter window (popup):
- Current slide rendered at 1920×1080 then CSS transform:scale() to fit
- Next slide preview also at 1920×1080 scale() — layout never breaks
- Large-font speaker script (18px, scrollable)
- Elapsed timer + page counter + current slide title
- ← → navigates (syncs back to audience window)
- R resets timer, Esc closes popup
Technical:
- runtime.js builds presenter HTML dynamically (buildPresenterHTML)
- Collects all slide outerHTML + notes + all stylesheets from host page
- Injects into popup via document.write()
- BroadcastChannel keyed by pathname for multi-deck isolation
- base.css: removed all old inline .pv-* / .presenter-view styles
(presenter styles now self-contained in popup HTML)
Docs updated:
- SKILL.md: describes popup behavior, separate keyboard sections
- references/presenter-mode.md: new dual-window diagram, updated flow
- presenter-mode-reveal/README.md: updated S key and dual-screen guide
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