Email retention

src/app/(main)/api/auth/signup/route.ts

@@ -7,6 +7,7 @@ import { csrfProtection } from '@/lib/csrf';
 import { rateLimit, getClientIdentifier, RateLimits } from '@/lib/rateLimit';
 import { getAuthCookieOptions } from '@/lib/cookieConfig';
 import { signupSchema, validateRequest } from '@/lib/validationSchemas';
+import { sendWelcomeEmail } from '@/lib/email';
 
 export async function POST(request: NextRequest) {
   try {
@@ -74,6 +75,13 @@ export async function POST(request: NextRequest) {
       },
     });
 
+    // Send welcome email (fire-and-forget — never block signup)
+    try {
+      await sendWelcomeEmail(user.email, user.name ?? 'there');
+    } catch (emailError) {
+      console.error('Welcome email failed:', emailError);
+    }
+
     // Create response
     const response = NextResponse.json({
       success: true,