fix: wrap test email with standard email template (#252)

Use wrapEmailHtml() for the test email so it matches the look of all
other emails sent by the platform (logo, footer, etc.).

Co-authored-by: Paul Nothaft <[email protected]>

backend/src/routes/adminEmail.js

@@ -160,12 +160,9 @@ router.post('/test', adminAuth, requirePermission('email.send'), async (req, res
 
     const transporter = nodemailer.createTransport(transportConfig);
 
-    // Send test email
+    // Send test email with the same wrapper used for all other emails
-    await transporter.sendMail({
+    const subject = 'Test Email - Photo Sharing Platform';
-      from: `${config.from_name} <${config.from_email}>`,
+    const testHtmlBody = `
-      to: test_email,
-      subject: 'Test Email - Photo Sharing Platform',
-      html: `
       <h2>Test Email Successful!</h2>
       <p>This is a test email from your Photo Sharing platform.</p>
       <p>If you're seeing this, your email configuration is working correctly.</p>
@@ -175,7 +172,14 @@ router.post('/test', adminAuth, requirePermission('email.send'), async (req, res
         SMTP Host: ${config.smtp_host}<br>
         Time: ${new Date().toISOString()}
       </p>
-      `,
+    `;
+    const wrappedHtml = await wrapEmailHtml(testHtmlBody, subject);
+
+    await transporter.sendMail({
+      from: `${config.from_name} <${config.from_email}>`,
+      to: test_email,
+      subject,
+      html: wrappedHtml,
       text: 'Test Email Successful! Your email configuration is working correctly.'
     });