feat: 会员体验版、俱乐部分离上架与分红计数加固

扩展 club_huiyuan_price/huiyuangoumai/czjilu/gsfenhong 字段；微信购会员强制写 czjilu+收支入账；formal_cishu 仅统计正式已支付单；关闭余额购会员；俱乐部上架/下架 API。

Co-authored-by: Cursor <cursoragent@cursor.com>

jituan/migrations/0006_club_huiyuan_trial_fields.py

@@ -0,0 +1,48 @@
+from decimal import Decimal
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('jituan', '0005_identity_tag'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='clubhuiyuanprice',
+            name='formal_days',
+            field=models.PositiveIntegerField(default=30, verbose_name='正式会员有效天数'),
+        ),
+        migrations.AddField(
+            model_name='clubhuiyuanprice',
+            name='trial_enabled',
+            field=models.BooleanField(default=False, verbose_name='是否开启体验会员'),
+        ),
+        migrations.AddField(
+            model_name='clubhuiyuanprice',
+            name='trial_price',
+            field=models.DecimalField(
+                decimal_places=2, default=Decimal('0.00'), max_digits=10, verbose_name='体验会员价格',
+            ),
+        ),
+        migrations.AddField(
+            model_name='clubhuiyuanprice',
+            name='trial_days',
+            field=models.PositiveIntegerField(default=0, verbose_name='体验会员有效天数'),
+        ),
+        migrations.AddField(
+            model_name='clubhuiyuanprice',
+            name='trial_guanshifc',
+            field=models.DecimalField(
+                decimal_places=2, default=Decimal('0.00'), max_digits=10, verbose_name='体验管事分成',
+            ),
+        ),
+        migrations.AddField(
+            model_name='clubhuiyuanprice',
+            name='trial_zuzhangfc',
+            field=models.DecimalField(
+                decimal_places=2, default=Decimal('0.00'), max_digits=10, verbose_name='体验组长分成',
+            ),
+        ),
+    ]