fix: 脱敏 probe-subscription-endpoints 日志中的 API base URL

使用 URL.origin 替代完整 URL，避免明文泄露 OAuth 配置中的敏感路径信息（CodeQL js/clear-text-logging）。

Co-Authored-By: glm-5-turbo <zai-org@claude-code-best.win>

scripts/probe-subscription-endpoints.ts

@@ -117,7 +117,8 @@ async function main(): Promise<void> {
   )
   const { accessToken, orgUUID } = await prepareApiRequest()
   const baseUrl = getOauthConfig().BASE_API_URL
-  console.log(`base:    ${baseUrl}`)
+  const { origin: baseOrigin } = new URL(baseUrl)
+  console.log(`base:    ${baseOrigin}`)
   console.log(`orgUUID: ${orgUUID.slice(0, 8)}…\n`)
   console.log(
     '  STATUS PATH                                   BETA HEADER                         RESPONSE PREVIEW',