feat: 会员/履约金页文案按俱乐部可配置

新增 club_recharge_page_copy 表与小程序/后台读写接口，kefu 菜单挂「充值页文案」。

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

jituan/models.py

@@ -410,6 +410,24 @@ class ClubDashouExamPass(QModel):
         unique_together = [['club_id', 'yonghuid']]
 
 
+class ClubRechargePageCopy(QModel):
+    """会员充值页 / 履约金页按俱乐部可配置的文案与图标。"""
+    club_id = models.CharField(max_length=16, db_index=True, verbose_name='俱乐部ID')
+    page_key = models.CharField(max_length=16, db_index=True, verbose_name='huiyuan|yajin')
+    region_key = models.CharField(max_length=32, db_index=True, verbose_name='rules|benefits|advantages')
+    title = models.CharField(max_length=64, blank=True, default='', verbose_name='区域标题')
+    items_json = models.JSONField(default=list, blank=True, verbose_name='条目列表JSON')
+    enabled = models.BooleanField(default=True, verbose_name='是否启用该区域')
+    sort_order = models.IntegerField(default=0)
+    CreateTime = models.DateTimeField(auto_now_add=True)
+    UpdateTime = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        db_table = 'club_recharge_page_copy'
+        unique_together = [['club_id', 'page_key', 'region_key']]
+        verbose_name = '充值页文案配置'
+
+
 class KefuMenuPage(QModel):
     """客服后台左侧菜单页（固定 page_id，与前端路由对应）。"""
     page_id = models.CharField(max_length=64, primary_key=True, verbose_name='页面ID')