{
  "title": "Bounded isolated engineering patch",
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "summary": {"type": "string", "minLength": 1},
    "changes": {"type": "array", "items": {"type": "string"}, "maxItems": 50},
    "files": {"type": "array", "items": {"type": "string"}, "maxItems": 50, "uniqueItems": true},
    "commands": {
      "type": "array",
      "maxItems": 30,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "command": {"type": "string", "minLength": 1},
          "exit_code": {"type": "integer"},
          "observation": {"type": "string", "minLength": 1}
        },
        "required": ["command", "exit_code", "observation"]
      }
    },
    "risks": {"type": "array", "items": {"type": "string"}, "maxItems": 30},
    "blockers": {"type": "array", "items": {"type": "string"}, "maxItems": 30}
  },
  "required": ["summary", "changes", "files", "commands", "risks", "blockers"]
}