feat: sse && multi_merchant completed

basic_info/admin.py

@@ -65,6 +65,7 @@ class ProductAdmin(AdminBase):
         'color',
         'width_size',
         'transform_rate',
+        'minimum_quantity',
         'single_price_in',
         'single_price_out',
     )

basic_info/migrations/0009_product_minimum_quantity.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-10 07:52
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic_info', '0008_merchant_auto_complete_stock_change'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='product',
+            name='minimum_quantity',
+            field=models.IntegerField(blank=True, null=True, verbose_name='最低库存量'),
+        ),
+    ]

basic_info/models.py

@@ -225,6 +225,7 @@ class Product(ModelBase):
         null=True, 
         verbose_name='产品图片',
     )
+    minimum_quantity = models.IntegerField(null=True, blank=True, verbose_name='最低库存量')
     transform_rate = models.DecimalField(
         max_digits=10,
         decimal_places=4,