feat: Enhance backend with request/SQL logging via morgan/winston and fix frontend by correctly rendering email Markdown content using the 'marked' library.

backend/saveEmail.js

@@ -1,5 +1,6 @@
 const { simpleParser } = require('mailparser');
 const db = require('./db');
+const emitter = require('./eventEmitter');
 
 // Helper function to convert stream to buffer
 function streamToBuffer(stream) {
@@ -29,18 +30,26 @@ async function saveEmail(stream) {
             'INSERT INTO emails (recipient, sender, subject, body, raw) VALUES (?, ?, ?, ?, ?)',
             [recipient, sender, subject, body, rawEmail]
         );
+        const newEmailId = result.insertId;
 
-        console.log(`Email from <${sender}> to <${recipient}> saved with ID: ${result.insertId}`);
+        console.log(`Email from <${sender}> to <${recipient}> saved with ID: ${newEmailId}`);
 
         if (parsed.attachments && parsed.attachments.length > 0) {
             for (const attachment of parsed.attachments) {
                 await db.execute(
                     'INSERT INTO email_attachments (email_id, filename, content_type, content) VALUES (?, ?, ?, ?)',
-                    [result.insertId, attachment.filename, attachment.contentType, attachment.content]
+                    [newEmailId, attachment.filename, attachment.contentType, attachment.content]
                 );
                 console.log(`Attachment ${attachment.filename} saved.`);
             }
         }
+
+        // Emit an event with the new email's main information
+        const [rows] = await db.execute('SELECT id, sender, recipient, subject, body, received_at FROM emails WHERE id = ?', [newEmailId]);
+        if (rows.length > 0) {
+            emitter.emit('newEmail', rows[0]);
+        }
+
     } catch (error) {
         console.error('Failed to save email:', error);
         // We should not exit the process here, but maybe throw the error