publish-to-pages

Publish any presentation or web content to GitHub Pages in one shot.

1. Prerequisites Check

Run these silently. Only surface errors:

command -v gh >/dev/null || echo "MISSING: gh CLI — install from https://cli.github.com"
gh auth status &>/dev/null || echo "MISSING: gh not authenticated — run 'gh auth login'"
command -v python3 >/dev/null || echo "MISSING: python3 (needed for PPTX conversion)"

poppler-utils is optional (PDF conversion via pdftoppm). Don't block on it.

2. Input Detection

Determine input type from what the user provides: