Populate the client website template with catalog feature flags.

Extract always-on public/portal/UTM plus optional email_sms, directmail, blog, payments, social, and social_ai so new client sites can be bootstrapped from this seed.

Refs #1
Refs #2

Co-authored-by: Cursor <cursoragent@cursor.com>

site/email_sms/channels/__init__.py

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+"""Channel dispatch — email / SMS."""
+
+from dataclasses import dataclass
+
+from contacts.models import Channel
+from email_sms.models import Message
+from email_sms.providers.email.smtp2go import send_email
+from email_sms.providers.sms.smtp2go import send_sms
+
+
+@dataclass
+class ProviderResult:
+    provider: str
+    provider_id: str
+
+
+def dispatch_message(message: Message) -> ProviderResult:
+    if message.channel == Channel.EMAIL:
+        result = send_email(message)
+        return ProviderResult(provider="smtp2go_email", provider_id=result)
+    if message.channel == Channel.SMS:
+        result = send_sms(message)
+        return ProviderResult(provider="smtp2go_sms", provider_id=result)
+    raise ValueError(f"Unsupported channel: {message.channel}")