System Command Execution with Error Handling

[
  {
    "data": {
      "nodeType": "manualTrigger"
    },
    "event": "node_start",
    "nodeId": "trigger-15816530",
    "timestamp": 1780861956219
  },
  {
    "data": {
      "initialData": {
        "command_to_execute": "tar -czf /tmp/backup_logs.tar.gz /var/log/nginx"
      }
    },
    "event": "triggered",
    "nodeId": "manualTrigger",
    "timestamp": 1780861956219
  },
  {
    "data": {
      "status": "ok",
      "nodeType": "manualTrigger"
    },
    "event": "node_end",
    "nodeId": "trigger-15816530",
    "timestamp": 1780861956219
  },
  {
    "data": {
      "nodeType": "integration"
    },
    "event": "node_start",
    "nodeId": "40ca0112-8603-4e7c-96f0-e2e9894915bb",
    "timestamp": 1780861956220
  },
  {
    "data": {
      "mode": "read",
      "status": "ok",
      "service": "shell",
      "latencyMs": 300,
      "operation": "read",
      "simulated": true
    },
    "event": "integration_mocked",
    "nodeId": "integration",
    "timestamp": 1780861956522
  },
  {
    "data": {
      "status": "ok",
      "nodeType": "integration"
    },
    "event": "node_end",
    "nodeId": "40ca0112-8603-4e7c-96f0-e2e9894915bb",
    "timestamp": 1780861956522
  },
  {
    "data": {
      "nodeType": "if"
    },
    "event": "node_start",
    "nodeId": "5bff0ceb-bfbe-4d0e-939f-9e4f053eb799",
    "timestamp": 1780861956524
  },
  {
    "event": "true branch",
    "nodeId": "if",
    "timestamp": 1780861956524
  },
  {
    "data": {
      "status": "ok",
      "nodeType": "if"
    },
    "event": "node_end",
    "nodeId": "5bff0ceb-bfbe-4d0e-939f-9e4f053eb799",
    "timestamp": 1780861956524
  },
  {
    "data": {
      "nodeType": "code"
    },
    "event": "node_start",
    "nodeId": "d1e10be1-1eab-4496-991a-5c87fb060a02",
    "timestamp": 1780861956524
  },
  {
    "event": "execution error (simulated): \"undefined\" is not valid JSON",
    "nodeId": "code",
    "timestamp": 1780861956525
  },
  {
    "data": {
      "mode": "read",
      "status": "ok",
      "service": "code",
      "latencyMs": 0,
      "operation": "exec-failed",
      "simulated": true
    },
    "event": "integration_mocked",
    "nodeId": "integration",
    "timestamp": 1780861956525
  },
  {
    "data": {
      "status": "ok",
      "nodeType": "code"
    },
    "event": "node_end",
    "nodeId": "d1e10be1-1eab-4496-991a-5c87fb060a02",
    "timestamp": 1780861956525
  },
  {
    "data": {
      "nodeType": "passthrough"
    },
    "event": "node_start",
    "nodeId": "error-2fde36ee",
    "timestamp": 1780861956526
  },
  {
    "data": {},
    "event": "noOp",
    "nodeId": "passthrough",
    "timestamp": 1780861956526
  },
  {
    "data": {
      "status": "ok",
      "nodeType": "passthrough"
    },
    "event": "node_end",
    "nodeId": "error-2fde36ee",
    "timestamp": 1780861956526
  }
]