PDFToMD/.codex/skills/formula-quality/SKILL.md

name, description

name	description
formula-quality	Plan and review formula extraction quality for PDFtoMD. Use when Codex needs Nougat handoff rules, inline/block formula classification, LaTeX delimiter checks, equation numbering, reference anchors, or Marker fallback behavior.

Formula Quality

Workflow

1. Read AGENTS.md, docs/CONVERSION_POLICY.md, docs/TOOLCHAIN.md, and docs/ADR.md.
2. Identify formula candidates from Marker equation blocks or mathematical text patterns.
3. Classify formulas as inline or block based on layout context.
4. Validate:
   • $ ... $ and $$ ... $$ balance
   • \begin{...} / \end{...} pairs
   • formula numbering
   • body references such as Eq. (3) or Korean equation references
5. Use Marker source text as fallback when Nougat fails.

Guardrails

• Do not pass whole documents through Nougat as the primary parser.
• Do not discard formula text on parse failure.
• Do not rewrite references as links unless the target confidence is sufficient.