D-05 picked Newsreader as display serif. Engineering research
(01-12-RESEARCH.md §1, commit 3df2750) verified Newsreader ships NO
Cyrillic glyphs via designer's own Brief embedded subset list +
Production Type's repo README ("Google Fonts Latin Plus glyph set").
Russian display text (welcome hero, tagline) under current D-05 picks
silently falls through to Iowan Old Style → Times New Roman → serif.
Mokosh's audience is Russian-primary, so this is the default rendering
path, not a corner case.
Routing back to designer per D-05 OWNER (Design team) with 4 options:
- R1 fallback chain (Newsreader + Cyrillic-capable secondary)
- R2 substitute display family entirely
- R3 other (designer proposes)
- R4 accept the Iowan/Times fallback
Candidate Cyrillic-capable OFL serifs: PT Serif, EB Garamond, Lora,
Source Serif. PT Serif highlighted (ParaType, RU-foundry, pairs with
IBM Plex Sans).
Blocks Plan 01-12 planner spawn + Plan 01-10 welcome hero.
Plan 01-11 (harness) unaffected — non-overlapping surface.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Mark
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