{
  "environment": "Hydrogen",
  "app_version": "Hydrogen 1.2 (beta) drum machine",
  "task": "change-tempo",
  "prompt": "In Hydrogen, change the tempo of the Backbeat Sketch song in Documents/backbeat.h2song to 112 BPM and save it.",
  "agent": "claude-code",
  "model": "claude-sonnet-5-5",
  "agentenv_framework": "0.9.1431",
  "witness": "checks failed on the seed, passed after an edit made through computer actions, failed on a near miss (the tempo typed as 121) and failed again after data/reset, in a fresh computer; held on the first try",
  "runs": [
    {
      "run": 1,
      "verdict": "passed",
      "turns": 8,
      "usd": 0.94,
      "checks": {
        "change-tempo": {
          "score": 1.0,
          "results": [
            {
              "id": "tempo",
              "result": true,
              "description": "Documents/backbeat.h2song at /root/children/[name=bpm] has the text \"112\"",
              "settled": true,
              "read_cut": false
            },
            {
              "id": "song-name-kept",
              "result": true,
              "description": "Documents/backbeat.h2song at /root/children/[name=name] has the text \"Backbeat Sketch\"",
              "settled": true,
              "read_cut": false
            },
            {
              "id": "groove-notes-kept",
              "result": true,
              "description": "8 member(s) of Documents/backbeat.h2song at /root/children/[name=patternList]/children/[name=pattern][>name=Verse Groove]/children/[name=noteList]/children matching [name=note], expected equals 8",
              "settled": true,
              "read_cut": false
            }
          ]
        }
      }
    },
    {
      "run": 2,
      "verdict": "passed",
      "turns": 8,
      "usd": 0.41,
      "checks": {
        "change-tempo": {
          "score": 1.0,
          "results": [
            {
              "id": "tempo",
              "result": true,
              "description": "Documents/backbeat.h2song at /root/children/[name=bpm] has the text \"112\"",
              "settled": true,
              "read_cut": false
            },
            {
              "id": "song-name-kept",
              "result": true,
              "description": "Documents/backbeat.h2song at /root/children/[name=name] has the text \"Backbeat Sketch\"",
              "settled": true,
              "read_cut": false
            },
            {
              "id": "groove-notes-kept",
              "result": true,
              "description": "8 member(s) of Documents/backbeat.h2song at /root/children/[name=patternList]/children/[name=pattern][>name=Verse Groove]/children/[name=noteList]/children matching [name=note], expected equals 8",
              "settled": true,
              "read_cut": false
            }
          ]
        }
      }
    },
    {
      "run": 3,
      "verdict": "passed",
      "turns": 8,
      "usd": 0.66,
      "checks": {
        "change-tempo": {
          "score": 1.0,
          "results": [
            {
              "id": "tempo",
              "result": true,
              "description": "Documents/backbeat.h2song at /root/children/[name=bpm] has the text \"112\"",
              "settled": true,
              "read_cut": false
            },
            {
              "id": "song-name-kept",
              "result": true,
              "description": "Documents/backbeat.h2song at /root/children/[name=name] has the text \"Backbeat Sketch\"",
              "settled": true,
              "read_cut": false
            },
            {
              "id": "groove-notes-kept",
              "result": true,
              "description": "8 member(s) of Documents/backbeat.h2song at /root/children/[name=patternList]/children/[name=pattern][>name=Verse Groove]/children/[name=noteList]/children matching [name=note], expected equals 8",
              "settled": true,
              "read_cut": false
            }
          ]
        }
      }
    }
  ]
}