Feat/d2 diagrams#16
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REGISTRY_REPO still targeted the old JheisonMB/texforge-templates, which only resolved via GitHub's 301 redirect. Point it at UniverLab/texforge-templates. Verified template list --all and template add download from the new registry. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Diagram pipeline (src/diagrams/mod.rs):
- Cache rendered PNGs by content hash ({env}-{hash}.png), skipping re-render of
unchanged diagrams across rebuilds (notably under --watch).
- Build the resvg font database once via a shared OnceLock instead of per diagram
(scanning /mnt/c/Windows/Fonts over WSL 9P was slow).
- Raise rasterization from 1.5x to 3x (~300 dpi at \linewidth) for print quality.
- Fix invalid default \includegraphics[\linewidth] -> width=\linewidth.
Windows / TLS:
- Use TECTONIC_BIN (tectonic.exe on Windows) for the managed binary path so the
installed tectonic is actually located and executable.
- Switch reqwest off aws-lc-rs to rustls+ring (rustls-no-provider + ring provider
installed in main), removing the C-toolchain dependency that broke Windows/musl
builds. Verified aws-lc-sys leaves the tree and HTTPS downloads still work.
Build/assets:
- Output the PDF as <title>.pdf in the project root from a temp build dir.
- Unify sanitize_filename in utils; clean removes the output PDF + legacy build/.
- mirror_assets symlinks nested assets next to .tex files (absolute targets).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Add a \begin{d2}...\end{d2} environment that renders like mermaid and graphviz:
same options (width, height, scale, pos, caption, label, keepaspectratio),
same hash-based PNG caching, same figure output.
- Render via d2-little (pure-Rust port of the d2lang pipeline, MPL-2.0) to SVG,
then through the existing svg_to_png path. No external binary, matching the
self-contained philosophy of the mermaid/graphviz renderers.
- D2 embeds its fonts as @font-face WOFF, which usvg ignores, so its text relies
entirely on the sans-serif fallback. Harden configure_sans_serif_family to fall
back to any available family so D2 text never silently disappears.
- Linter checks \begin{d2} blocks for unclosed envs and invalid pos, like the
other diagram types.
- Verified end to end: D2 renders node/edge labels and the figure embeds in the
compiled PDF (Image XObject), alongside mermaid in the same document.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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add d2 diagrams support