feat: purchase_order approve and calcel

business/migrations/0009_purchaseorderitem_spec.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-28 09:32
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('business', '0008_alter_purchaseorderitem_quantity'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='purchaseorderitem',
+            name='spec',
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='规格'),
+        ),
+    ]