help wantedpriority: mediumtype: feature
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説明
Description
Add PDF output support for publication-quality vector graphics that can be directly embedded in LaTeX documents and publications.
Tasks
- Evaluate PDF libraries (printpdf, pdf-canvas, etc.)
- Implement PdfCanvas following Canvas trait
- Add PDF feature flag to Cargo.toml
- Create example demonstrating PDF export
- Add CLI support for PDF output
- Add tests
Acceptance Criteria
- PDF output renders all plot types correctly
- Text is properly embedded (not rasterized)
- File size is reasonable
- Works with LaTeX \includegraphics