- Add PresentationAnalyzer in Rust backend (13 tests passing)
- Add PresentationContainer with auto type detection
- Add TypeSwitcher for manual type switching
- Add ChartRenderer, QuizRenderer, SlideshowRenderer, DocumentRenderer
- Integrate ResultModal into PipelinesPanel for result display
- Update docs: pipeline-overview.md, README.md, roadmap.md
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>