Update dashboard components and add email setup documentation

Author: Ethan Castro

EMAIL_SETUP.md

@@ -0,0 +1,122 @@
+# SendGrid Email Integration Setup
+
+This document explains how to set up and use the SendGrid email integration for the MTA Data Assistant.
+
+## Setup Instructions
+
+### 1. Environment Variables
+
+Add your SendGrid API key to your environment variables:
+
+```bash
+# .env.local
+SENDGRID_API_KEY=your_sendgrid_api_key_here
+```
+
+### 2. DNS Records (Already Completed)
+
+The following DNS records have been added to your `mta-data.com` domain:
+
+- **CNAME** `url622.mta-data.com` → `sendgrid.net`
+- **CNAME** `56285903.mta-data.com` → `sendgrid.net`
+- **CNAME** `em3637.mta-data.com` → `u56285903.wl154.sendgrid.net`
+- **CNAME** `s1._domainkey.mta-data.com` → `s1.domainkey.u56285903.wl154.sendgrid.net`
+- **CNAME** `s2._domainkey.mta-data.com` → `s2.domainkey.u56285903.wl154.sendgrid.net`
+- **TXT** `_dmarc.mta-data.com` → `v=DMARC1; p=none;`
+
+### 3. Features Available
+
+#### For Users:
+- **Email Button**: Click the email icon on any AI response to send it via email
+- **Email Modal**: Enter recipient email address and send formatted emails
+- **Professional Templates**: Beautiful HTML emails with MTA branding
+
+#### For AI Assistant:
+- **Direct Email Tool**: The AI can send emails directly using the `sendEmail` tool
+- **Natural Language**: Users can ask "Email this analysis to john@example.com"
+
+### 4. Testing
+
+#### Test the Integration:
+```bash
+# Send a test email
+curl -X POST http://localhost:3000/api/email/test \
+  -H "Content-Type: application/json" \
+  -d '{"to": "your-email@example.com"}'
+```
+
+#### Test in the UI:
+1. Start your development server: `npm run dev`
+2. Go to the chat interface
+3. Ask a question and get a response
+4. Click the email icon (📧) on the response
+5. Enter an email address and send
+
+### 5. Email Features
+
+- **HTML Formatting**: Professional email templates with MTA branding
+- **Conversation Links**: Links to continue conversations in the web interface
+- **Mobile Responsive**: Emails look great on all devices
+- **Authentication**: Emails are sent from your verified `mta-data.com` domain
+- **Reply-To**: Recipients can reply to the sender
+
+### 6. API Endpoints
+
+- `POST /api/email/chat` - Send chat response via email
+- `POST /api/email/test` - Send test email
+
+### 7. Troubleshooting
+
+#### Common Issues:
+
+1. **"Invalid API Key"**: Check that `SENDGRID_API_KEY` is set correctly
+2. **"Sender not verified"**: Ensure your domain is verified in SendGrid
+3. **"Email not received"**: Check spam folder, verify recipient email
+
+#### Debug Steps:
+
+1. Check environment variables: `console.log(process.env.SENDGRID_API_KEY)`
+2. Test with the test endpoint: `/api/email/test`
+3. Check SendGrid dashboard for delivery status
+4. Verify DNS records are propagated
+
+### 8. Usage Examples
+
+#### User Interface:
+```typescript
+// User clicks email button → modal opens → enters email → sends
+```
+
+#### AI Assistant:
+```typescript
+// User: "Email this analysis to john@example.com"
+// AI: Uses sendEmail tool to send the response
+```
+
+#### Direct API:
+```typescript
+const response = await fetch('/api/email/chat', {
+  method: 'POST',
+  headers: { 'Content-Type': 'application/json' },
+  body: JSON.stringify({
+    to: 'recipient@example.com',
+    messageContent: 'AI response content',
+    conversationId: 'conv-123'
+  })
+});
+```
+
+## Security Notes
+
+- API key is server-side only (not exposed to client)
+- Email validation prevents injection attacks
+- Rate limiting should be implemented for production
+- Consider implementing user authentication for email features
+
+## Next Steps
+
+1. Test the integration with the test endpoint
+2. Verify emails are received and formatted correctly
+3. Test the UI email functionality
+4. Consider adding email templates for different types of responses
+5. Implement rate limiting for production use