feat(huya): 协作台账勾选导出 CK 到剪贴板（单点权限 + 逐行审计）+ 工具区固定两行

web/backend/routers/huya/collab.py

@@ -34,6 +34,8 @@ from ...schemas import (
     HuyaExternalOrderActivityQueryOut,
     HuyaExternalOrderActivityQueryRequest,
     HuyaExternalOrderAuditOut,
+    HuyaExternalOrderCkExportOut,
+    HuyaExternalOrderCkExportRequest,
     HuyaExternalOrderCkRequest,
     HuyaExternalOrderCkStatusRequest,
     HuyaExternalOrderCreate,
@@ -375,6 +377,25 @@ def verify_external_orders_ck(
         raise _http_error(exc) from exc
 
 
+@router.post("/external-orders/ck/export", response_model=HuyaExternalOrderCkExportOut)
+def export_external_orders_ck(
+    req: HuyaExternalOrderCkExportRequest,
+    db: Session = Depends(get_db),
+    current: User = Depends(require_permission("huya:collab:ck_export")),
+):
+    """勾选多行导出 **CK 明文**（前端写进剪贴板）。
+
+    单独一个权限点 ``huya:collab:ck_export``（默认只给运营）：贴 CK 是「录入」，
+    导出是「把凭据带走」。逐行写审计（``huya:collab:ck_export``），但**只记单号**，
+    不把 CK 本体写进审计；没 CK 的行在 ``skipped`` 里显式回原因。
+    """
+    try:
+        orders = collab.list_orders_by_ids(db, req.ids)
+        return collab.export_cks(db, current, orders)
+    except collab.CollabError as exc:
+        raise _http_error(exc) from exc
+
+
 # --------------------------------------------------------------------------
 # 单行操作
 # --------------------------------------------------------------------------