feat(scouting): add wingspan filters and saved searches mvp

app/scouting/migrations/0008_savedsearch.py

@@ -0,0 +1,31 @@
+# Generated by Django 5.2.2 on 2026-04-10 22:04
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('scouting', '0007_user_scoped_favorites_and_notes'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='SavedSearch',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+                ('params', models.JSONField(default=dict)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='saved_searches', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'ordering': ['name', '-updated_at', '-id'],
+                'constraints': [models.UniqueConstraint(fields=('user', 'name'), name='uniq_saved_search_name_per_user')],
+            },
+        ),
+    ]