{
  "name": "timer_set_delivers",
  "presets": {
    "processes": [
      {
        "name": "echoer",
        "argv": ["sh", "-lc", "while read line; do echo \"saw:$line\"; done"]
      }
    ]
  },
  "trust": ["echoer"],
  "steps": [
    {
      "type": "mcp_call",
      "method": "spawn_process",
      "params": {"kind": "command", "preset": "echoer", "name": "echoer"},
      "save_as": "proc"
    },
    { "type": "wait_stable", "timeout_ms": 1500 },
    {
      "type": "mcp_call",
      "method": "timer_set",
      "params": {
        "seconds": 0.5,
        "body": "hello-from-timer",
        "owner_process_id": "{{proc.process_id}}"
      },
      "save_as": "tmr"
    },
    {
      "type": "wait_until_mcp",
      "method": "get_process_output",
      "params": {"process_id": "{{proc.process_id}}", "mode": "grid"},
      "path": "content",
      "contains": "saw:hello-from-timer",
      "allow_substring": true,
      "timeout_ms": 5000
    }
  ]
}