Add Resend contact sync for contact form submissions

.env.example

@@ -10,6 +10,10 @@ RESEND_API_KEY=re_your_api_key_here
 # Email address that receives contact form submissions
 RESEND_TO=vbvwithnate@outlook.com
 
+# Optional: automatically add contact form submitters to a Resend Segment
+# Create a Segment in Resend and paste its ID here if you want new contacts grouped.
+RESEND_SEGMENT_ID=
+
 # "From" address shown on received emails.
 # During testing you can leave this as-is (uses Resend's shared domain).
 # For production: verify your own domain at resend.com/domains and change this.

server.js

@@ -13,6 +13,14 @@ function escapeHtml(value) {
     .replace(/'/g, ''')
 }
 
+function splitName(fullName) {
+  const parts = fullName.trim().split(/\s+/).filter(Boolean)
+  return {
+    firstName: parts[0] ?? '',
+    lastName: parts.slice(1).join(' '),
+  }
+}
+
 const __filename = fileURLToPath(import.meta.url)
 const __dirname = path.dirname(__filename)
 const DATA_DIR = path.join(__dirname, 'data')
@@ -113,6 +121,43 @@ app.post('/api/contact', contactRateLimit, async (req, res) => {
     })
 
     const resend = new Resend(process.env.RESEND_API_KEY)
+    const { firstName, lastName } = splitName(trimmedName)
+
+    try {
+      const { error: contactError } = await resend.contacts.create({
+        email: trimmedEmail,
+        firstName,
+        lastName,
+        unsubscribed: false,
+        ...(process.env.RESEND_SEGMENT_ID
+          ? { segments: [{ id: process.env.RESEND_SEGMENT_ID }] }
+          : {}),
+        properties: {
+          source: 'website-contact-form',
+          last_message_at: new Date().toISOString(),
+        },
+      })
+
+      if (contactError) {
+        const { error: updateError } = await resend.contacts.update({
+          email: trimmedEmail,
+          firstName,
+          lastName,
+          unsubscribed: false,
+          properties: {
+            source: 'website-contact-form',
+            last_message_at: new Date().toISOString(),
+          },
+        })
+
+        if (updateError) {
+          console.error('[contact] contact sync error:', updateError)
+        }
+      }
+    } catch (contactSyncErr) {
+      console.error('[contact] contact sync exception:', contactSyncErr)
+    }
+
     const { error } = await resend.emails.send({
       from: process.env.RESEND_FROM ?? 'Verse by Verse with Nate <onboarding@resend.dev>',
       to: [process.env.RESEND_TO ?? 'vbvwithnate@outlook.com'],