Bordered cards (tool / Agent calls) used 10px vertical interior padding while
stripe cards (you / claude) used 8, so a collapsed tool/Agent card read
chunkier — taller box and more trailing space — than its neighbours in the
conversation log. Match the bordered variant's vertical padding to the stripe
variant (8) so boxed cards share one rhythm. Box-to-box inter-card margin is
unchanged (a uniform 14). Regenerated the merged-card golden.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>