{
  "name": "parallel_fetch",
  "description": "Fetch inventory and pricing in parallel, then merge",
  "version": 1,
  "schemaVersion": 2,
  "inputParameters": ["inventoryUrl", "pricingUrl"],
  "tasks": [
    {
      "name": "fork",
      "taskReferenceName": "fork",
      "type": "FORK_JOIN",
      "forkTasks": [
        [
          {
            "name": "fetch_inventory",
            "taskReferenceName": "inventory",
            "type": "HTTP",
            "inputParameters": {
              "http_request": {
                "uri": "${workflow.input.inventoryUrl}",
                "method": "GET"
              }
            }
          }
        ],
        [
          {
            "name": "fetch_pricing",
            "taskReferenceName": "pricing",
            "type": "HTTP",
            "inputParameters": {
              "http_request": {
                "uri": "${workflow.input.pricingUrl}",
                "method": "GET"
              }
            }
          }
        ]
      ]
    },
    {
      "name": "join",
      "taskReferenceName": "join",
      "type": "JOIN",
      "joinOn": ["inventory", "pricing"]
    },
    {
      "name": "merge",
      "taskReferenceName": "merge",
      "type": "JSON_JQ_TRANSFORM",
      "inputParameters": {
        "inventory": "${inventory.output.response.body}",
        "pricing": "${pricing.output.response.body}",
        "queryExpression": "{items: .inventory.items, prices: .pricing.prices}"
      }
    }
  ],
  "outputParameters": {
    "merged": "${merge.output.result}"
  }
}