HouseholdSetupForm.test.ts: explain that touched+empty drives the $derived
error, not a submit event on the disabled button.
page.server.test.ts: remove unused response key from mockSuccess() —
household creation doesn't set a session cookie.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
text-[18px] md:text-[28px] matches auth form pattern.
font-medium (500) replaces font-semibold (600) per design system rules.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
font-['var(--font-display)'] → font-[var(--font-display)] so Fraunces
display font is applied correctly to the h1.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
