feat: settlement lineup

basic_info/migrations/0025_customer_uniq_customer_merchant_name.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.2.8 on 2026-03-05 06:25
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic_info', '0024_frontend_page_and_visible_pages'),
+    ]
+
+    operations = [
+        migrations.AddConstraint(
+            model_name='customer',
+            constraint=models.UniqueConstraint(fields=('merchant', 'name'), name='uniq_customer_merchant_name'),
+        ),
+    ]

basic_info/models.py

@@ -439,6 +439,12 @@ class Customer(ModelBase):
     class Meta:
         verbose_name = '客户资料'
         verbose_name_plural = '客户资料'
+        constraints = [
+            models.UniqueConstraint(
+                fields=['merchant', 'name'],
+                name='uniq_customer_merchant_name',
+            ),
+        ]
         permissions = [
             ('view_all_customers', '查看所有客户资料'),
         ]