First commit of claude's rework in django + vanillajs fronted

apps/tools/migrations/0004_shotgroup_nullable_analysis_user_ammo.py

@@ -0,0 +1,32 @@
+# Generated by Django 4.2.16 on 2026-03-30 13:12
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('gears', '0011_rig_ballistic_fields'),
+        ('tools', '0003_remove_shotgroup_result_picture_delete_resultpicture'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='shotgroup',
+            name='ammo',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='shot_groups', to='gears.ammo', verbose_name='factory ammo'),
+        ),
+        migrations.AddField(
+            model_name='shotgroup',
+            name='user',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='shot_groups', to=settings.AUTH_USER_MODEL, verbose_name='user'),
+        ),
+        migrations.AlterField(
+            model_name='shotgroup',
+            name='analysis',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='shot_groups', to='tools.chronographanalysis', verbose_name='analysis'),
+        ),
+    ]