{
  "steps": [
    { "op": "initialize" },
    { "op": "newSession" },
    { "op": "prompt", "text": "First use the read tool to read data.txt in the current directory. Then use the write tool (NOT bash) to replace its entire contents with exactly this single line: The replacement line is deliberately longer than the configured sixty-four byte diff-basis bound. Then reply with exactly the single word DONE." }
  ]
}