feat: new modul (stateflow)

stateflow/migrations/0004_remove_state_previous.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.2.7 on 2025-11-11 03:57
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stateflow', '0003_alter_process_options_alter_state_options_and_more'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='state',
+            name='previous',
+        ),
+    ]