Function rejectOnce

src/services/mcp/xaaIdpLogin.ts:304–309

(e: Error)

      resolve(v)
    }
    const rejectOnce = (e: Error) => {
      if (resolved) return
      resolved = true
      cleanup()
      reject(e)
    }

    if (abortSignal) {
      abortHandler = () => rejectOnce(new Error('XAA IdP: login cancelled'))