Add guarded content draft and publication services

apps/content/migrations/0002_alter_siteidentity_options.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.2.5 on 2026-09-27 06:15
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('content', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='siteidentity',
+            options={'permissions': [('change_content_draft', 'Can change content drafts'), ('preview_content_draft', 'Can preview content drafts'), ('publish_content', 'Can publish content'), ('restore_content', 'Can restore published content')]},
+        ),
+    ]