feat: land superpaper v1 notes scaffold

Add the ledger schema, class router, lint codes, ingest/build
pipeline, and three work-tree examples: align derivation,
superfig delegation, and supertensor delegation.

assets/notes-macros.tex

@@ -0,0 +1,54 @@
+% Shared notes preamble. TEXINPUTS must include superpaper/assets/.
+\usepackage[fontset=fandol]{ctex}
+\usepackage{amsmath,amssymb}
+\usepackage{graphicx}
+\usepackage[margin=2.5cm]{geometry}
+\usepackage[most]{tcolorbox}
+\usepackage{etoolbox}
+\usepackage{listings}
+\usepackage{booktabs}
+\usepackage{subcaption}
+\usepackage{float}
+\usepackage{tikz}
+\usepackage{hyperref}
+
+\newtcolorbox{knowledgebox}[1]{
+    enhanced, colback=blue!5!white, colframe=blue!75!black, colbacktitle=blue!75!black,
+    coltitle=white, fonttitle=\bfseries, title=#1,
+    attach boxed title to top left={yshift=-2mm, xshift=2mm},
+    boxrule=1pt, sharp corners
+}
+\newtcolorbox{importantbox}[1]{
+    enhanced, colback=yellow!10!white, colframe=yellow!80!black, colbacktitle=yellow!80!black,
+    coltitle=black, fonttitle=\bfseries, title=#1, sharp corners
+}
+\newtcolorbox{warningbox}[1]{
+    enhanced, colback=red!5!white, colframe=red!75!black, colbacktitle=red!75!black,
+    coltitle=white, fonttitle=\bfseries, title=#1, sharp corners
+}
+\newtcolorbox{quotebox}[1]{
+    enhanced, breakable,
+    colback=black!3!white, colframe=black!55, colbacktitle=black!55,
+    coltitle=white, fonttitle=\bfseries, title=#1, sharp corners
+}
+
+\newcommand{\splabel}[1]{\hypertarget{sp:#1}{}\label{sp:#1}}
+\newcommand{\spref}[1]{\hyperlink{sp:#1}{\texttt{#1}}}
+\newcommand{\spsource}[1]{\footnote{来源：#1}}
+\newcommand{\spfig}[4][0.92\textwidth]{%
+  \begin{figure}[H]\centering
+  \includegraphics[width=#1]{figures/#2/build/#2.pdf}%
+  \caption{#3\protect\footnotemark}\end{figure}
+  \footnotetext{#4}}
+\newcommand{\spscreenshot}[4][0.92\textwidth]{%
+  \begin{figure}[H]\centering
+  \includegraphics[width=#1]{figures/#2/orig.png}%
+  \caption{#3\protect\footnotemark}\end{figure}
+  \footnotetext{#4}}
+
+\newcommand{\notetitle}{论文笔记}
+\newcommand{\noteauthors}{}
+\newcommand{\notedate}{\today}
+\newcommand{\notepaper}{}
+\newcommand{\notevenue}{}
+\newcommand{\notearxiv}{}