courrier clean 2$

lib/utils/email-formatter.ts

@@ -136,6 +136,34 @@ export function formatForwardedEmail(email: EmailMessage): {
   // Get and clean original content
   const originalContent = cleanHtmlContent(email.content || email.html || email.text || '');
   
+  // Check if the content already has a forwarded message header
+  // Look for common forwarded message header patterns
+  const forwardedPatterns = [
+    '---------- Forwarded message ---------',
+    'Forwarded message',
+    '-------- Original Message --------',
+    'Begin forwarded message',
+    'From:.*Date:.*Subject:.*To:',  // Common pattern in forwarded emails
+    'From:.*Sent:.*To:.*Subject:',  // Microsoft Outlook pattern
+  ];
+  
+  // Use a regular expression to check for all patterns, with case insensitivity
+  const hasExistingHeader = forwardedPatterns.some(pattern => 
+    new RegExp(pattern, 'i').test(originalContent)
+  );
+  
+  // If there's already a forwarded message header, don't add another one
+  if (hasExistingHeader) {
+    // Just wrap the content in appropriate styling without adding another header
+    const content = `
+      <div style="min-height: 20px;"></div>
+      <div style="direction: ltr; text-align: left;" dir="ltr" class="email-original-content">
+        ${originalContent}
+      </div>
+    `;
+    return { subject, content };
+  }
+  
   // Create formatted content with explicit LTR formatting
   const content = `
     <div style="min-height: 20px;"></div>