/claim #12

Summary

• Add a dependency-free collaborative-table-formula-guard module for spreadsheet-like manuscript tables inside the real-time research editor.
• Detect stale derived cells, broken formula references, formula-affecting edits after section lock, notebook output hash drift, hidden helper-cell leaks, private reviewer-note leaks, and formula cycles.
• Include clean/problem fixtures plus reviewer artifacts in JSON, Markdown, and SVG formats.

Validation

• node collaborative-table-formula-guard/test.js
• node collaborative-table-formula-guard/demo.js

Demo artifacts

• collaborative-table-formula-guard/artifacts/table-formula-audit.json
• collaborative-table-formula-guard/artifacts/table-formula-audit.md
• collaborative-table-formula-guard/artifacts/table-formula-audit.svg