Fix email signature layout and enhance email thread fetching

- Move logo to top of email signature for better formatting
- Enhance IMAP search to include CC/BCC fields and multiple folders
- Fix EOI document generation to properly send and extract signing URLs
- Update documentation with all email system fixes

docs/email-system-fixes.md

@@ -30,6 +30,27 @@
   - Updated `update-interest.ts` API to accept both x-tag headers ("094ut234" and "pjnvü1230")
   - Now both authenticated and unauthenticated users can save interest updates
 
+### 5. Email Signature Formatting
+- **Problem**: Logo was appearing below the signature details
+- **Solution**:
+  - Moved Port Nimara logo to the top of the signature
+  - Logo now appears above the name with proper spacing
+
+### 6. Email Refresh Not Showing New Emails
+- **Problem**: New emails from clients weren't appearing after refresh
+- **Solution**:
+  - Enhanced IMAP search to include CC and BCC fields
+  - Now searches in multiple folders: INBOX, Sent, Sent Items, Sent Mail
+  - Better email detection for comprehensive thread retrieval
+
+### 7. EOI Document Generation Issues
+- **Problem**: EOI documents were created but stuck in draft status with non-working links
+- **Solution**:
+  - Fixed response structure to match actual Documenso API response
+  - Added proper document send step to move from draft to active
+  - Changed `sendEmail` to `true` to ensure recipients receive signing emails
+  - Correctly extract signing URLs from the response
+
 ## Required Environment Variables
 
 Make sure these are set in your `.env` file: