fix(docs): auth-login 链接指向真实 endpoint 页 —— /docs/api/auth 是 tag 目录无 index(404),改…

fix(docs): auth-login 链接指向真实 endpoint 页 —— /docs/api/auth 是 tag 目录无 index(404),改 AuthController_exchangeToken

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>