{
  "session_id": "test-session-all-6-services",
  "hook_event_name": "PreToolUse",
  "tool_name": "Edit",
  "tool_input": {
    "file_path": "/home/theflow/projects/tractatus/CLAUDE.md",
    "old_string": "# Tractatus",
    "new_string": "# Tractatus"
  }
}