Felix Förtsch 496cf40989 add ISO 8601 date picker, replace all native date inputs
custom DateInput component using react-day-picker + date-fns with
Calendar popover, always displays YYYY-MM-DD regardless of browser
locale. adds shadcn Popover and Calendar components. replaces all
<input type="date"> across process-stepper, contact-detail, contact-form

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-11 20:49:00 +01:00
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450 KiB
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