HF RL Explorer

WxPayService: Support switching by merchant ID only when multiple appIds are bound to the same merchant

WxPayService: Support switching by merchant ID only when multiple appIds are bound to the same merchant: a task in LegoFlow-SWE (Harbor dataset). Currently, the WeChat Pay service ( WxPayService ) only allows switching to a payment configuration using both the merchant ID ( mchId ) and the…

The task

Currently, the WeChat Pay service (`WxPayService`) only allows switching to a payment configuration using both the merchant ID (`mchId`) and the application ID (`appId`), with the configuration key being `mchId + "_" + appId`. This forces users to redundantly provide the same merchant information for each…

Part of Lego-X/LegoFlow-SWE.