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Paul BakausandClaude Opus 4.7
d32cd832fb
The anti-centering rule ("Don't default to centering everything") was
added without empirical support. We have a detector for it
(everything-centered, threshold ≥70%) that fires on 0 / 998 samples
in the corpus — never validated, never useful.
Meanwhile the rule was almost certainly responsible for collapsing
Gemini 3.5 flash's luxury-hotel skill-on output from the canonical
"full-bleed photo + centered overlay headline" cinematic hero (the
shape skill-off Gemini chooses 67% of the time) to a 50/50
magazine grid (full-bleed rate drops to 18% under skill-on, -49pp).
Changes:
- skill/SKILL.md #### Layout: drop "Don't default to centering..."
- skill/reference/brand.md ## Layout: drop the same rule; replace
with a positive carve-out — image-led briefs (hotels, restaurants,
magazines, photography) often want full-bleed hero with overlaid
menu and centered headline; let the photograph be the design
- skill/reference/layout.md: drop the assessment question and the
"asymmetric breaks centered-content pattern" framing
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>