$ uv run tools/flow.py budget
budget $1.0 / used $0.006822 · remaining $0.993178 · over False · per user 20/min · question 500 chars

$ uv run tools/flow.py test cases/lab03.json -v
POST http://localhost:5678/webhook/my-cost · 3 case(s) × 1
✔ before: POST http://localhost:8800/usage-clear · HTTP 200 · 0.0s · {"cleared": 19}
    → request  POST http://localhost:8800/usage-clear
      {}
    ← response HTTP 200
      {
        "cleared": 19
      }
✔ before: POST http://localhost:8800/budget · HTTP 200 · 0.0s · {"daily_usd": 0.001, "user_limit_per_min": 20, "max_question_chars": 500, "used_usd": 0, "remaining_usd": 0.001, "over":
    → request  POST http://localhost:8800/budget
      {
        "daily_usd": 0.001
      }
    ← response HTTP 200
      {
        "daily_usd": 0.001,
        "user_limit_per_min": 20,
        "max_question_chars": 500,
        "used_usd": 0,
        "remaining_usd": 0.001,
        "over": false
      }
✔ before: POST http://localhost:8800/usage · HTTP 200 · 0.0s · {"stored": 1, "total": 1}
    → request  POST http://localhost:8800/usage
      {
        "request_id": "seed",
        "user": "seed",
        "step": "answer",
        "model": "gpt-4.1-mini",
        "cost_usd": 0.002
      }
    ← response HTTP 200
      {
        "stored": 1,
        "total": 1
      }
✘ 한도를 넘으면 · FAQ 원문 · 1.1s · 자동 답변 · 1 call · $0.000154 · route = 자동 답변 (expected 한도 초과); cost_usd = 0.000154 (expected 0); llm_calls = 1 (expected 0)
    → request  POST /webhook/my-cost
      {
        "question": "VPN 접속이 자꾸 끊겨요. 어떻게 하나요?",
        "user": "이준호"
      }
    ← response HTTP 200
      {
        "route": "자동 답변",
        "answer": "VPN 접속 오류는 VPN 클라이언트를 최신 버전으로 업데이트하고, 인증서 만료 여부를 확인한 뒤 다시 접속하시기 바랍니다. 현재 접수된 관련 티켓이 없어 추가 지원이 필요하면 담당자가 도와드리겠습니다.",
        "sources": [
          "FAQ-003"
        ],
        "llm_calls": 1,
        "usage": {
          "prompt_tokens": 165,
          "completion_tokens": 55,
          "by_step": {
            "answer": {
              "model": "gpt-4.1-mini",
              "prompt_tokens": 165,
              "completion_tokens": 55,
              "cost_usd": 0.000154
            }
          }
        },
        "cost_usd": 0.000154,
        "trimmed": false,
        "question_chars": 24,
        "recorded": true
      }
✘ 한도를 넘으면 · 접수 원문 · 1.2s · 자동 답변 · 1 call · $0.000115 · route = 자동 답변 (expected 한도 초과); cost_usd = 0.0001152 (expected 0)
    → request  POST /webhook/my-cost
      {
        "question": "T-1002 처리 상태 알려 주세요",
        "user": "박서연"
      }
    ← response HTTP 200
      {
        "route": "자동 답변",
        "answer": "T-1002 티켓은 현재 처리 중이며, 인증서 발급 승인 대기 중입니다. 10월 20일에 완료될 예정입니다.",
        "sources": [],
        "llm_calls": 1,
        "usage": {
          "prompt_tokens": 152,
          "completion_tokens": 34,
          "by_step": {
            "answer": {
              "model": "gpt-4.1-mini",
              "prompt_tokens": 152,
              "completion_tokens": 34,
              "cost_usd": 0.0001152
            }
          }
        },
        "cost_usd": 0.0001152,
        "trimmed": false,
        "question_chars": 19,
        "recorded": true
      }
✔ before: POST http://localhost:8800/budget/reset · HTTP 200 · 0.0s · {"daily_usd": 1.0, "user_limit_per_min": 20, "max_question_chars": 500, "used_usd": 0.0022692, "remaining_usd": 0.997730
    → request  POST http://localhost:8800/budget/reset
      {}
    ← response HTTP 200
      {
        "daily_usd": 1.0,
        "user_limit_per_min": 20,
        "max_question_chars": 500,
        "used_usd": 0.0022692,
        "remaining_usd": 0.9977308,
        "over": false
      }
✔ before: POST http://localhost:8800/usage-clear · HTTP 200 · 0.0s · {"cleared": 3}
    → request  POST http://localhost:8800/usage-clear
      {}
    ← response HTTP 200
      {
        "cleared": 3
      }
✔ 한도 안이면 평소대로 · 1.4s · 자동 답변 · 1 call · $0.000141
    → request  POST /webhook/my-cost
      {
        "question": "VPN 접속이 자꾸 끊겨요. 어떻게 하나요?",
        "user": "이준호"
      }
    ← response HTTP 200
      {
        "route": "자동 답변",
        "answer": "VPN 접속 오류는 VPN 클라이언트를 최신 버전으로 업데이트하고, 인증서 만료 여부를 확인한 뒤 다시 접속하시기 바랍니다. 추가 도움이 필요하시면 담당 직원이 도와드리겠습니다.",
        "sources": [
          "FAQ-003"
        ],
        "llm_calls": 1,
        "usage": {
          "prompt_tokens": 165,
          "completion_tokens": 47,
          "by_step": {
            "answer": {
              "model": "gpt-4.1-mini",
              "prompt_tokens": 165,
              "completion_tokens": 47,
              "cost_usd": 0.0001412
            }
          }
        },
        "cost_usd": 0.0001412,
        "trimmed": false,
        "question_chars": 24,
        "recorded": true
      }
Passed 1/3
report: runs/lab03-20261028-210707.json
✔ after: POST http://localhost:8800/budget/reset · HTTP 200 · 0.0s · {"daily_usd": 1.0, "user_limit_per_min": 20, "max_question_chars": 500, "used_usd": 0.0001412, "remaining_usd": 0.999858
    → request  POST http://localhost:8800/budget/reset
      {}
    ← response HTTP 200
      {
        "daily_usd": 1.0,
        "user_limit_per_min": 20,
        "max_question_chars": 500,
        "used_usd": 0.0001412,
        "remaining_usd": 0.9998588,
        "over": false
      }
✔ after: POST http://localhost:8800/usage-clear · HTTP 200 · 0.0s · {"cleared": 1}
    → request  POST http://localhost:8800/usage-clear
      {}
    ← response HTTP 200
      {
        "cleared": 1
      }