Backend:
- Synthesis email sending via Resend API with HTML template (inline CSS,
tables-based for email client compatibility) + plain-text fallback
- XSS prevention via html_escape() on all user content in email templates
- Markdown export: clean format with headers, links, summaries
- PDF export: printpdf with built-in Helvetica fonts, indigo color scheme,
automatic page breaks, word wrapping
- 3 new endpoints: send-email, export/markdown, export/pdf
- All endpoints enforce ownership checks
- Email validation using email_address crate
- 24 new unit tests, 13 integration tests
Frontend:
- Email section on SynthesisDetail: input pre-filled with user email,
send button with loading state, success/error feedback
- Export buttons: Markdown + PDF with per-button loading states
- File download via Blob + temporary anchor with Content-Disposition parsing
- 6 new export tests
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
oabrivard