- Add changelog entry for new feature
- Update README with asset selection documentation
- Document new /api/assets endpoint
- Update /api/send with footerAssets parameter
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Replace restrictive AGPL with permissive MIT license
- Update package.json license field
- Update README with license reference
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Problem explanation: why external images are blocked
- Technical background: MIME structure with examples
- Step-by-step Nodemailer implementation guide
- Multiple images, Buffer/Base64 examples
- Best practices for image size, format, CID naming
- Complete signature example with embedded logo
- Email client compatibility table
- Troubleshooting guide
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Installation and configuration guide
- API documentation with examples
- CID-embedding explanation for image footer
- Integration examples for other projects
- Database schema and error handling reference
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>