{
  "id": "test-workflow-001",
  "name": "端到端测试工作流",
  "description": "用于测试节点间输入输出映射的工作流",
  "status": "DRAFT",
  "definition": {
    "id": "test-workflow-001",
    "name": "端到端测试工作流",
    "description": "用于测试节点间输入输出映射的工作流",
    "version": "1.0",
    "nodes": [
      {
        "id": "start",
        "type": "start",
        "name": "开始",
        "position": { "x": 100, "y": 200 },
        "config": {},
        "inputMapping": {},
        "outputSchema": {
          "type": "object",
          "properties": {
            "workflow": {
              "type": "object",
              "properties": {
                "id": { "type": "string" },
                "executionId": { "type": "string" },
                "startTime": { "type": "string" }
              }
            }
          }
        }
      },
      {
        "id": "nodeA",
        "type": "http_request",
        "name": "节点A - HTTP请求",
        "position": { "x": 300, "y": 200 },
        "config": {
          "url": "https://httpbin.org/json",
          "method": "GET",
          "headers": {}
        },
        "inputMapping": {
          "url": "https://httpbin.org/json",
          "method": "GET"
        },
        "outputSchema": {
          "type": "object",
          "properties": {
            "httpStatusCode": { "type": "integer" },
            "responseBody": { "type": "object" },
            "responseHeaders": { "type": "object" },
            "requestUrl": { "type": "string" }
          }
        }
      },
      {
        "id": "nodeB",
        "type": "http_request", 
        "name": "节点B - 处理A的输出",
        "position": { "x": 500, "y": 200 },
        "config": {
          "url": "https://httpbin.org/post",
          "method": "POST",
          "headers": {
            "Content-Type": "application/json"
          }
        },
        "inputMapping": {
          "url": "https://httpbin.org/post",
          "method": "POST",
          "body": "${nodes.nodeA.output.responseBody}",
          "headers": {
            "Content-Type": "application/json",
            "X-Source-Status": "${nodes.nodeA.output.httpStatusCode}"
          }
        },
        "outputSchema": {
          "type": "object",
          "properties": {
            "httpStatusCode": { "type": "integer" },
            "responseBody": { "type": "object" },
            "sourceData": { "type": "object" },
            "processedAt": { "type": "string" }
          }
        }
      },
      {
        "id": "nodeC",
        "type": "http_request",
        "name": "节点C - 聚合AB数据",
        "position": { "x": 700, "y": 200 },
        "config": {
          "url": "https://httpbin.org/put",
          "method": "PUT",
          "headers": {
            "Content-Type": "application/json"
          }
        },
        "inputMapping": {
          "url": "https://httpbin.org/put",
          "method": "PUT",
          "body": {
            "nodeA_result": "${nodes.nodeA.output}",
            "nodeB_result": "${nodes.nodeB.output}",
            "combined_status": "${nodes.nodeA.output.httpStatusCode + nodes.nodeB.output.httpStatusCode}"
          },
          "headers": {
            "Content-Type": "application/json",
            "X-Node-A-Status": "${nodes.nodeA.output.httpStatusCode}",
            "X-Node-B-Status": "${nodes.nodeB.output.httpStatusCode}"
          }
        },
        "outputSchema": {
          "type": "object",
          "properties": {
            "httpStatusCode": { "type": "integer" },
            "responseBody": { "type": "object" },
            "aggregatedData": { "type": "object" },
            "finalResult": { "type": "string" }
          }
        }
      },
      {
        "id": "nodeD",
        "type": "http_request",
        "name": "节点D - 最终处理",
        "position": { "x": 900, "y": 200 },
        "config": {
          "url": "https://httpbin.org/patch",
          "method": "PATCH",
          "headers": {
            "Content-Type": "application/json"
          }
        },
        "inputMapping": {
          "url": "https://httpbin.org/patch",
          "method": "PATCH",
          "body": {
            "workflow_summary": {
              "nodeA_status": "${nodes.nodeA.output.httpStatusCode}",
              "nodeB_status": "${nodes.nodeB.output.httpStatusCode}",
              "nodeC_status": "${nodes.nodeC.output.httpStatusCode}",
              "total_requests": 4,
              "execution_chain": "Start → A → B → C → D"
            }
          },
          "headers": {
            "Content-Type": "application/json",
            "X-Final-Step": "true"
          }
        },
        "outputSchema": {
          "type": "object",
          "properties": {
            "httpStatusCode": { "type": "integer" },
            "responseBody": { "type": "object" },
            "workflowSummary": { "type": "object" },
            "completed": { "type": "boolean" }
          }
        }
      },
      {
        "id": "end",
        "type": "end",
        "name": "结束",
        "position": { "x": 1100, "y": 200 },
        "config": {},
        "inputMapping": {
          "finalResult": "${nodes.nodeD.output}",
          "workflowComplete": true
        },
        "outputSchema": {
          "type": "object",
          "properties": {
            "workflowResult": { "type": "object" },
            "completed": { "type": "boolean" }
          }
        }
      }
    ],
    "edges": [
      {
        "id": "start-to-nodeA",
        "source": "start",
        "target": "nodeA",
        "condition": null
      },
      {
        "id": "nodeA-to-nodeB",
        "source": "nodeA",
        "target": "nodeB",
        "condition": "${nodes.nodeA.output.httpStatusCode == 200}"
      },
      {
        "id": "nodeB-to-nodeC",
        "source": "nodeB", 
        "target": "nodeC",
        "condition": "${nodes.nodeB.output.httpStatusCode == 200}"
      },
      {
        "id": "nodeC-to-nodeD",
        "source": "nodeC",
        "target": "nodeD", 
        "condition": "${nodes.nodeC.output.httpStatusCode == 200}"
      },
      {
        "id": "nodeD-to-end",
        "source": "nodeD",
        "target": "end",
        "condition": null
      }
    ]
  }
}