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.

scripts/render_ledger.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+"""Project ledger.yaml into notes/sections/symbols.tex and optional claims.md."""
+
+from __future__ import annotations
+
+import argparse
+import sys
+from pathlib import Path
+
+import yaml
+
+
+def tex_escape(text: str) -> str:
+    return (
+        text.replace("\\", "\\textbackslash{}")
+        .replace("&", "\\&")
+        .replace("%", "\\%")
+        .replace("#", "\\#")
+        .replace("_", "\\_")
+    )
+
+
+def render(work: Path) -> None:
+    ledger = yaml.safe_load((work / "ledger.yaml").read_text(encoding="utf-8"))
+    symbols = ledger.get("symbols") or []
+    claims = ledger.get("claims") or []
+    sec = work / "notes" / "sections"
+    sec.mkdir(parents=True, exist_ok=True)
+    lines = [
+        "% generated by render_ledger.py — do not edit",
+        "\\begin{itemize}",
+    ]
+    if not symbols:
+        lines.append("\\item （无符号）")
+    for sym in symbols:
+        name = tex_escape(str(sym.get("name", "")))
+        meaning = tex_escape(str(sym.get("meaning", "")))
+        kind = tex_escape(str(sym.get("kind", "")))
+        latex = sym.get("latex") or name
+        lines.append(f"\\item ${latex}$ — {meaning} （{kind}；{name}）")
+    lines.append("\\end{itemize}")
+    (sec / "symbols.tex").write_text("\n".join(lines) + "\n", encoding="utf-8")
+
+    md = ["# Claims", ""]
+    for c in claims:
+        md.append(f"- `{c.get('id')}` ({c.get('status')}): {c.get('text')}")
+    (work / "claims.md").write_text("\n".join(md) + "\n", encoding="utf-8")
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("--work", required=False)
+    parser.add_argument("--out", dest="work")
+    args = parser.parse_args()
+    if not args.work:
+        print("usage: render_ledger.py --work <dir>", file=sys.stderr)
+        return 2
+    work = Path(args.work).resolve()
+    if not (work / "ledger.yaml").is_file():
+        print(f"no ledger at {work / 'ledger.yaml'}", file=sys.stderr)
+        return 2
+    render(work)
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())