Add comment system with models, forms, and UI integration for lessons

courses/migrations/0002_comment.py

@@ -0,0 +1,31 @@
+# Generated by Django 6.0 on 2025-12-10 20:35
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('courses', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Comment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('content', models.TextField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('is_active', models.BooleanField(default=True)),
+                ('lesson', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='comments', to='courses.lesson')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='lesson_comments', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'ordering': ('created_at',),
+            },
+        ),
+    ]