Mark Eaton 1d970e84f9 exemplars: canary for CMOS 8.159 preposition rule (Huttunen, Mehra)
Two new real-draft-derived journal exemplars locking down prompt
rule 29 from the preceding commit. Follows the Hasanah precedent
for promoting real-draft failures into the canary corpus, per the
"defense in depth" feedback in project memory.

- journal_preposition_huttunen.toml exercises "among" mid-title,
  plus four other CMOS 8.159 lowercased words ("on", "in", "a",
  and implicitly "among"). Real article: Huttunen and Kortelainen,
  JASIST 72, no. 7 (2021). The messy_input uses the ASCII hyphen
  in "Meaning-Making" for clarity — the source draft actually had
  a U+2010 non-breaking hyphen from docx->txt conversion, but
  mixing Unicode hyphen normalization into this exemplar would
  have conflated two independent failure modes. The U+2010 issue
  is noted in the exemplar comment for a separate iteration.

- journal_preposition_mehra.toml exercises "beyond" mid-title,
  plus mid-title exclamation-point preservation (rule 25) and
  leading-"The" drop from "The Library Quarterly" (rule 17).
  Real article: Mehra, Library Quarterly 91, no. 2 (2021).

Both are canary-enabled and will block any future prompt iteration
that regresses on these patterns via the exact-match canary axis.
The canonical dicts additionally lock them down via the field-
level diff, per the upstream-refinement feedback in project
memory.

Canary corpus size: 15 -> 17.
2026-04-11 15:30:02 -04:00

cmos — Chicago Manual of Style 18 bibliography reformatter

A Python tool that reformats the bibliography section of an English-language markdown draft to CMOS 18th edition, notes-and-bibliography form.

Accuracy-first, iterative, built with a karpathy/autoresearch-style dev loop.

See program.md for the goal specification and /home/claudecode1/.claude/plans/pure-mixing-yao.md for the implementation plan.

Quick start

uv sync
uv run pytest
uv run cmos format path/to/draft.md > out.md

Layout

  • src/cmos/formatter.py — the iterable artifact (edited every loop iteration).
  • src/cmos/parser.py — extracts the bibliography section from a draft.
  • src/cmos/linter.py — deterministic CMOS 18 rule checks (versioned).
  • src/cmos/cli.pycmos format entry point.
  • harness/score.py, harness/diff.py — frozen scoring.
  • exemplars/ — TOML test corpus.
  • tests/ — pytest suite (linter, parser, formatter, cli).
  • rough_drafts/ — user-supplied messy drafts for ad-hoc iteration.
  • logs/ — per-run scores, model ids, linter version hashes.
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