Chandler Copeland
4cdd9eea80
feat(06-05): confirmation page + router.push redirect after signing
- Rewrite confirmed/page.tsx: verifies signing token, shows document name + signed timestamp + download button
- Generate 15-min download token server-side; pass as dt= query param to /api/sign/[token]/download
- Success checkmark (navy circle + gold checkmark), document name, formatted signed date
- Download link valid for 15 minutes note shown below button
- Update SigningPageClient.tsx: replace window.location.href with router.push for SPA navigation