feat: add superfig paper-figure toolkit

Standalone LaTeX/TikZ skill for non-tensor paper figures: node/edge macros, lint-on-warning build, golden examples, and negative fixtures.
2026-08-17 09:40:12 +08:00
commit db5598fbf7
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+\documentclass{standalone}
+\usepackage[en]{superfig}
+\begin{document}\begin{tikzpicture}
+\sfnode[role=ghost, at={(0,0)}]{A}{A}{8mm}{8mm}
+\end{tikzpicture}\end{document}