fix: 会员充值链路加固（体验资格、积分分红、czjilu审计、余额抵扣）

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

jituan/management/commands/backfill_member_trial_flags.py

@@ -0,0 +1,52 @@
+"""回填会员体验标记：czjilu.is_trial + huiyuangoumai.has_used_trial。"""
+from django.core.management.base import BaseCommand
+from django.db import transaction
+
+from jituan.services.member_recharge import (
+    _order_is_trial_like,
+    has_paid_trial_purchase,
+)
+from products.models import Czjilu, Huiyuangoumai
+
+
+class Command(BaseCommand):
+    help = '回填体验会员订单/权益标记（修复重复购买体验、正式计次错误）'
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            '--dry-run',
+            action='store_true',
+            help='仅统计，不写库',
+        )
+
+    def handle(self, *args, **options):
+        dry_run = bool(options.get('dry_run'))
+        czjilu_fixed = 0
+        goumai_fixed = 0
+
+        member_orders = Czjilu.query.filter(leixing=1, zhuangtai=3)
+        with transaction.atomic():
+            for order in member_orders.iterator():
+                club_id = getattr(order, 'club_id', None)
+                if _order_is_trial_like(order, club_id) and not order.is_trial:
+                    czjilu_fixed += 1
+                    if not dry_run:
+                        Czjilu.query.filter(dingdan_id=order.dingdan_id).update(is_trial=True)
+
+            goumai_rows = Huiyuangoumai.query.all()
+            for row in goumai_rows.iterator():
+                if row.has_used_trial:
+                    continue
+                if has_paid_trial_purchase(row.yonghu_id, row.huiyuan_id, row.club_id):
+                    goumai_fixed += 1
+                    if not dry_run:
+                        Huiyuangoumai.query.filter(id=row.id).update(has_used_trial=True)
+
+            if dry_run:
+                transaction.set_rollback(True)
+
+        mode = 'DRY-RUN' if dry_run else 'APPLIED'
+        self.stdout.write(self.style.SUCCESS(
+            f'[{mode}] czjilu.is_trial 修复 {czjilu_fixed} 条，'
+            f'huiyuangoumai.has_used_trial 修复 {goumai_fixed} 条',
+        ))