Improve Django Admin contract list usability

django-backend/soroscan/ingest/migrations/0039_trackedcontract_name_createdat_indexes.py

@@ -0,0 +1,40 @@
+# Generated manually for chore/django-admin-contract-list-usability
+#
+# Adds standalone indexes on TrackedContract.name and TrackedContract.created_at
+# to support efficient ORDER BY in the Django Admin list view at 100+ contracts.
+# Both operations are index-only adds — fully reversible with no data loss.
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("ingest", "0038_dependencyimpactassessment_organizationbudget_and_more"),
+    ]
+
+    operations = [
+        # Index on `name` — admin list is sortable by name; CharField ORDER BY
+        # hits a seq scan without this at 100+ rows.
+        migrations.AlterField(
+            model_name="trackedcontract",
+            name="name",
+            field=models.CharField(
+                db_index=True,
+                max_length=100,
+                help_text="Human-readable contract name",
+            ),
+        ),
+        # Index on `created_at` — the default admin ordering is ["-created_at",
+        # "name"], so every page load without a filter sorts by this column.
+        # The existing composite indexes (contract_id+is_active, network+is_active)
+        # do NOT cover a plain ORDER BY created_at.
+        migrations.AlterField(
+            model_name="trackedcontract",
+            name="created_at",
+            field=models.DateTimeField(
+                auto_now_add=True,
+                db_index=True,
+            ),
+        ),
+    ]

django-backend/soroscan/ingest/models.py

@@ -261,7 +261,7 @@ class Network(models.TextChoices):
         db_index=True,
         help_text="Stellar contract address (C...)",
     )
-    name = models.CharField(max_length=100, help_text="Human-readable contract name")
+    name = models.CharField(max_length=100, db_index=True, help_text="Human-readable contract name")
     alias = models.CharField(
         max_length=256,
         blank=True,
@@ -371,7 +371,7 @@ class Network(models.TextChoices):
         help_text="Custom attributes for storing contract metadata (team, owner, cost center, etc.)",
     )
 
-    created_at = models.DateTimeField(auto_now_add=True)
+    created_at = models.DateTimeField(auto_now_add=True, db_index=True)
     updated_at = models.DateTimeField(auto_now=True)
 
     class Meta: