feat: all the business models supported human_id now but it wont change statements api. Added new field 'order_quantity' into sales_order model (integer, allow null).

business/migrations/0020_salesorder_order_quantity.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2026-01-30 10:10
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('business', '0019_alter_salesorderitem_quantity_of_rolls'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='salesorder',
+            name='order_quantity',
+            field=models.IntegerField(blank=True, null=True, verbose_name='下单数量'),
+        ),
+    ]