Close the defense-in-depth gap flagged after iter 6: chapter, magazine,
newspaper, social_media, podcast, and video exemplars had ZERO applicable
linter rules, so their 100% linter pass rate was trivially true. Every
exemplar now has 3-6 structural rules firing.
Bump LINTER_VERSION to v0.3.0. Per harness discipline, this invalidates
prior run logs' scores for cross-version comparison (they stay in the
log as history). The re-baseline run still scores scalar 1.000, canary
1.000 on all 14 exemplars — formatter was already producing output that
matches the new structural conventions, so tightening the linter didn't
surface any regressions.
New rules (12):
- chapter_book_title_italicized
- chapter_in_book_marker
- magazine_name_italicized
- newspaper_name_italicized
- periodical_comma_before_date (magazine + newspaper; not journal)
- social_media_post_quoted
- social_media_platform_comma_date
- podcast_series_italicized
- podcast_episode_quoted
- podcast_format_label
- video_title_quoted (in quotes, NOT italicized)
- video_format_label
Extended:
- article_title_quoted now covers journal, magazine, newspaper,
and accepts ?/! as terminal punctuation
Each rule has a positive + negative unit test with the CMOS/Purdue source
cited in the docstring. Tests: 48 → 78 (30 new).
Per-exemplar applicable-rule counts after this change:
book 4 journal 5-6 web 3
chapter 4 magazine 5 social 4
podcast 5 video 4 newspaper 5
cmos dev
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