helios-sso-bridge  —  Slack ⇄ Helios(汇联易) SSO bridge for Nothing

OAuth protocol (for Helios 认证源):
  Authorize URL : https://hly.nothing.tech/authorize
  Token URL     : https://hly.nothing.tech/token
  UserInfo URL  : https://hly.nothing.tech/userinfo   → returns {"email":"...@nothing.tech"}
  grant_type    : authorization_code   |   match field: email

User entry      : GET /start            → Sign in with Slack
heliosCorpId    : 1523519224666955778