fix(dl): 落地页底图+logo 纳入 git → 修生产 /media 404 毛坯 (#97) (#106)

Co-authored-by: guke <guke@autohome.com.cn>
Co-authored-by: zhuzihao <zhuzihao@wonderable.ai>
Co-authored-by: wuqi <wuqi@wonderable.ai>
Co-authored-by: chenshuobo <chenshuobo@wonderable.ai>
Co-authored-by: liujiahui <liujiahui@wonderable.ai>
Reviewed-on: #106

app/core/config.py

@@ -113,6 +113,21 @@ class Settings(BaseSettings):
         """美团 CPS 凭证齐全(缺则接口返空,而非 502)。"""
         return bool(self.MT_CPS_APP_KEY and self.MT_CPS_APP_SECRET)
 
+    # ===== 京东联盟 CPS =====
+    # app_key/app_secret 来自京东联盟应用;site_id 是推广管理里的 APP/网站 ID;
+    # auth_key 是工具商授权 key,自有应用查询可留空。
+    JD_UNION_APP_KEY: str = ""
+    JD_UNION_APP_SECRET: str = ""
+    JD_UNION_SITE_ID: str = ""
+    JD_UNION_AUTH_KEY: str = ""
+    JD_UNION_GATEWAY: str = "https://api.jd.com/routerjson"
+    JD_UNION_TIMEOUT_SEC: int = 15
+
+    @property
+    def jd_union_configured(self) -> bool:
+        """京东联盟订单查询凭证齐全。"""
+        return bool(self.JD_UNION_APP_KEY and self.JD_UNION_APP_SECRET)
+
     # ===== 微信服务号(网页授权) =====
     # CPS 落地页在微信内拿用户 openid(base 静默)/昵称头像(userinfo),做用户级群统计。
     # ⚠️ 区别于 WECHAT_APP_ID(那是 App 移动应用,用于微信支付);这是【已认证服务号】。