add support for article specific og image

hub/services/migrations/0045_add_og_image_to_article.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2 on 2025-07-08 13:53
+
+import hub.services.models.base
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("services", "0044_add_svg_support"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="article",
+            name="og_image",
+            field=models.ImageField(
+                blank=True,
+                help_text="Optional Open Graph image for social sharing (max 1MB). If not provided, the article's main image will be used.",
+                null=True,
+                upload_to="article_og_images/",
+                validators=[hub.services.models.base.validate_image_size],
+            ),
+        ),
+    ]