=== b3 주입 — 회전을 켠다 ===
15:29:22 회전 켬
{
  "revokeRefreshToken" : true,
  "refreshTokenMaxReuse" : 0
}=== 관찰 — 같은 토큰으로 동시에 다섯 번 ===

refresh=810자  SID=7yVb2FfztKznk461jR10VpIT
요청 1: HTTP 400  {"error":"invalid_grant","error_description":"Session doesn't have required client"}
요청 2: HTTP 400  {"error":"invalid_grant","error_description":"Session doesn't have required client"}
요청 3: HTTP 400  {"error":"invalid_grant","error_description":"Maximum allowed refresh token reuse exceeded
요청 4: HTTP 200  {"access_token":"<REDACTED 73자 조각>
요청 5: HTTP 400  {"error":"invalid_grant","error_description":"Session doesn't have required client"}
이긴 요청의 새 refresh 길이: 810
그 토큰을 다시 쓰면: 400
error_description=Session doesn't have required client