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/blog/admin.py

@@ -0,0 +1,11 @@
+from django.contrib import admin
+
+from blog.models import Post
+
+
+@admin.register(Post)
+class PostAdmin(admin.ModelAdmin):
+    list_display = ("title", "is_published", "published_at", "author", "updated_at")
+    list_filter = ("is_published",)
+    prepopulated_fields = {"slug": ("title",)}
+    search_fields = ("title", "excerpt", "body")