{
    "demand": {
        "name": "需求节点",
        "category": "demand",
        "color": "#1890ff",
        "icon": "demand-icon",
        "icon_path": "/assets/icons/demand.svg",
        "shape": "rect",
        "width": 180,
        "height": 50,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "description",
                "type": "string",
                "label": "描述"
            },
            {
                "name": "priority",
                "type": "select",
                "label": "优先级",
                "options": [
                    "高",
                    "中",
                    "低"
                ]
            }
        ]
    },
    "start": {
        "name": "开始",
        "category": "logic",
        "color": "#722ed1",
        "icon": "play-circle",
        "shape": "circle",
        "width": 60,
        "height": 60,
        "ports": [
            "right",
            "bottom",
            "top",
            "left"
        ],
        "metaFields": [
            {
                "name": "description",
                "type": "string",
                "label": "描述"
            }
        ]
    },
    "end": {
        "name": "结束",
        "category": "logic",
        "color": "#722ed1",
        "icon": "stop-circle",
        "shape": "circle",
        "width": 60,
        "height": 60,
        "ports": [
            "left",
            "top",
            "right",
            "bottom"
        ],
        "metaFields": [
            {
                "name": "description",
                "type": "string",
                "label": "描述"
            }
        ]
    },
    "condition": {
        "name": "条件",
        "category": "logic",
        "color": "#fa8c16",
        "icon": "question-circle",
        "shape": "diamond",
        "width": 80,
        "height": 80,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "condition",
                "type": "code",
                "label": "条件表达式"
            }
        ]
    },
    "and": {
        "name": "AND",
        "category": "logic",
        "color": "#722ed1",
        "icon": "and-icon",
        "shape": "diamond",
        "width": 80,
        "height": 80,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "operation",
                "type": "hidden",
                "defaultValue": "AND"
            }
        ]
    },
    "or": {
        "name": "OR",
        "category": "logic",
        "color": "#eb2f96",
        "icon": "or-icon",
        "shape": "diamond",
        "width": 80,
        "height": 80,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "operation",
                "type": "hidden",
                "defaultValue": "OR"
            }
        ]
    },
    "httpRequest": {
        "name": "HTTP验证",
        "category": "request",
        "color": "#52c41a",
        "icon": "api",
        "icon_path": "/assets/icons/httpFlow.svg",
        "shape": "rect",
        "width": 150,
        "height": 50,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "method",
                "type": "select",
                "label": "请求方法",
                "options": [
                    "GET",
                    "POST",
                    "PUT",
                    "DELETE",
                    "PATCH"
                ]
            },
            {
                "name": "path",
                "type": "string",
                "label": "请求路径"
            },
            {
                "name": "params",
                "type": "json",
                "label": "查询参数",
                "defaultValue": "{}"
            },
            {
                "name": "headers",
                "type": "json",
                "label": "请求头",
                "defaultValue": "{\"Content-Type\": \"application/json\"}"
            },
            {
                "name": "body",
                "type": "json",
                "label": "请求体",
                "defaultValue": "{\"type\": \"json\", \"content\": \"{}\"}"
            },
            {
                "name": "response",
                "type": "hidden",
                "defaultValue": null
            },
            {
                "name": "endpointId",
                "type": "hidden",
                "defaultValue": ""
            }
        ]
    },
    "loadTestHttpRequest": {
        "name": "HTTP 负载测试",
        "category": "perform",
        "color": "#722ed1",
        "icon_path": "/assets/icons/load-test.svg",
        "shape": "rect",
        "width": 180,
        "height": 50,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "endpointId",
                "type": "hidden",
                "defaultValue": ""
            },
            {
                "name": "method",
                "type": "select",
                "label": "请求方法",
                "options": [
                    "GET",
                    "POST",
                    "PUT",
                    "DELETE",
                    "PATCH"
                ],
                "defaultValue": "GET"
            },
            {
                "name": "path",
                "type": "string",
                "label": "请求路径"
            },
            {
                "name": "params",
                "type": "json",
                "label": "查询参数",
                "defaultValue": "{}"
            },
            {
                "name": "headers",
                "type": "json",
                "label": "请求头",
                "defaultValue": "{\"Content-Type\": \"application/json\"}"
            },
            {
                "name": "body",
                "type": "json",
                "label": "请求体",
                "defaultValue": "{\"type\": \"json\", \"content\": \"{}\"}"
            },
            {
                "name": "concurrentUsers",
                "type": "number",
                "label": "并发用户数",
                "defaultValue": 10
            },
            {
                "name": "testDurationSec",
                "type": "number",
                "label": "测试时长(秒)",
                "defaultValue": 30
            },
            {
                "name": "rampUpTimeSec",
                "type": "number",
                "label": "启动时长(秒)",
                "defaultValue": 0,
                "optional": true
            },
            {
                "name": "resultsSummary",
                "type": "textarea",
                "label": "测试结果摘要",
                "readonly": true,
                "rows": 4
            },
            {
                "name": "detailedResults",
                "type": "hidden",
                "defaultValue": null
            }
        ]
    },
    "httpLatencyTest": {
        "name": "HTTP 延迟测试",
        "category": "perform",
        "color": "#b37feb",
        "icon_path": "/assets/icons/latency.svg",
        "shape": "rect",
        "width": 180,
        "height": 50,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "endpointId",
                "type": "hidden",
                "defaultValue": ""
            },
            {
                "name": "method",
                "type": "select",
                "label": "请求方法",
                "options": [
                    "GET",
                    "POST",
                    "PUT",
                    "DELETE",
                    "PATCH"
                ],
                "defaultValue": "GET"
            },
            {
                "name": "path",
                "type": "string",
                "label": "请求路径"
            },
            {
                "name": "params",
                "type": "json",
                "label": "查询参数",
                "defaultValue": "{}"
            },
            {
                "name": "headers",
                "type": "json",
                "label": "请求头",
                "defaultValue": "{\"Content-Type\": \"application/json\"}"
            },
            {
                "name": "body",
                "type": "json",
                "label": "请求体",
                "defaultValue": "{\"type\": \"json\", \"content\": \"{}\"}"
            },
            {
                "name": "iterations",
                "type": "number",
                "label": "迭代次数",
                "defaultValue": 10,
                "description": "连续发送请求的次数"
            },
            {
                "name": "delayBetweenMs",
                "type": "number",
                "label": "迭代间隔(ms)",
                "defaultValue": 0,
                "optional": true,
                "description": "每次请求之间的等待时间"
            },
            {
                "name": "latencyStats",
                "type": "textarea",
                "label": "延迟统计",
                "readonly": true,
                "rows": 4,
                "description": "例如: Min, Max, Avg, P95, P99, Errors"
            },
            {
                "name": "detailedLatencies",
                "type": "hidden",
                "defaultValue": null
            }
        ]
    },
    "securityScanTrigger": {
        "name": "安全扫描",
        "category": "safety",
        "color": "#f5222d",
        "icon_path": "/assets/icons/safety.svg",
        "shape": "rect",
        "width": 180,
        "height": 50,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "scanTarget",
                "type": "string",
                "label": "扫描目标",
                "description": "例如 URL, IP, 服务名"
            },
            {
                "name": "scanProfile",
                "type": "select",
                "label": "扫描配置/策略",
                "options": [
                    "快速扫描",
                    "全面扫描",
                    "OWASP Top10"
                ],
                "defaultValue": "快速扫描"
            },
            {
                "name": "apiKeyRef",
                "type": "string",
                "label": "扫描工具API密钥引用",
                "optional": true,
                "description": "引用环境变量或配置"
            },
            {
                "name": "waitForResult",
                "type": "boolean",
                "label": "等待扫描结果",
                "defaultValue": false
            },
            {
                "name": "scanId",
                "type": "string",
                "label": "扫描任务ID",
                "readonly": true
            },
            {
                "name": "scanStatus",
                "type": "string",
                "label": "扫描状态",
                "readonly": true
            },
            {
                "name": "scanResultSummary",
                "type": "textarea",
                "label": "扫描结果摘要",
                "readonly": true,
                "rows": 3
            },
            {
                "name": "detailedScanResult",
                "type": "hidden"
            }
        ]
    },
    "authCheck": {
        "name": "认证授权检查",
        "category": "safety",
        "color": "#faad14",
        "icon_path": "/assets/icons/auth-check.svg",
        "shape": "rect",
        "width": 170,
        "height": 50,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "endpointInfo",
                "type": "json",
                "label": "目标接口信息",
                "defaultValue": "{\"method\":\"GET\", \"path\":\"/api/resource\"}"
            },
            {
                "name": "credentials",
                "type": "json",
                "label": "使用的凭证",
                "defaultValue": "{\"type\":\"token\", \"value\":\"{input.token}\"}",
                "description": "支持从输入引用值"
            },
            {
                "name": "expectedStatus",
                "type": "select",
                "label": "预期HTTP状态",
                "options": [
                    "2xx (成功)",
                    "401 (未授权)",
                    "403 (禁止访问)",
                    "其他"
                ],
                "defaultValue": "2xx (成功)"
            },
            {
                "name": "customExpectedStatus",
                "type": "number",
                "label": "预期状态码(其他)",
                "optional": true
            },
            {
                "name": "checkResult",
                "type": "string",
                "label": "检查结果",
                "readonly": true
            },
            {
                "name": "responseDetails",
                "type": "hidden"
            }
        ]
    },
    "dataMaskingCheck": {
        "name": "数据脱敏检查",
        "category": "compliance",
        "color": "#595959",
        "icon_path": "/assets/icons/masking-check.svg",
        "shape": "rect",
        "width": 160,
        "height": 50,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "dataFieldPath",
                "type": "string",
                "label": "检查字段路径",
                "defaultValue": "body.creditCard",
                "description": "使用点标记法指定字段"
            },
            {
                "name": "expectedFormat",
                "type": "string",
                "label": "预期脱敏格式",
                "defaultValue": "**** **** **** 1234",
                "description": "用*表示脱敏位"
            },
            {
                "name": "checkResult",
                "type": "string",
                "label": "检查结果",
                "readonly": true
            },
            {
                "name": "actualValue",
                "type": "hidden"
            }
        ]
    },
    "failureInjection": {
        "name": "故障注入",
        "category": "reliability",
        "color": "#cf1322",
        "icon_path": "/assets/icons/chaos.svg",
        "shape": "rect",
        "width": 160,
        "height": 50,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "targetResource",
                "type": "string",
                "label": "注入目标资源",
                "description": "e.g., service:my-app, pod:app-*, db:orders"
            },
            {
                "name": "failureType",
                "type": "select",
                "label": "故障类型",
                "options": [
                    "latency",
                    "error",
                    "crash",
                    "network_loss",
                    "resource_limit"
                ]
            },
            {
                "name": "magnitude",
                "type": "string",
                "label": "故障程度",
                "description": "e.g., latency: 500ms, error: 503, network_loss: 80%"
            },
            {
                "name": "durationSec",
                "type": "number",
                "label": "持续时间(秒)",
                "defaultValue": 60
            },
            {
                "name": "injectionStatus",
                "type": "string",
                "label": "注入状态",
                "readonly": true
            },
            {
                "name": "details",
                "type": "hidden"
            }
        ]
    },
    "agentBrowserTask": {
        "name": "Agent UI任务",
        "category": "ui",
        "color": "#08979c",
        "icon_path": "/assets/icons/agent.svg",
        "shape": "rect",
        "width": 180,
        "height": 60,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "targetUrl",
                "type": "string",
                "label": "目标页面URL"
            },
            {
                "name": "taskPrompt",
                "type": "textarea",
                "label": "任务指令 (Prompt)",
                "rows": 5,
                "description": "给 Agent 的详细操作指令"
            },
            {
                "name": "agentModel",
                "type": "string",
                "label": "Agent模型/配置",
                "optional": true,
                "defaultValue": "default_browser_agent"
            },
            {
                "name": "inputDataUsage",
                "type": "json",
                "label": "输入数据使用方式",
                "optional": true,
                "defaultValue": "{\"map\": [{\"from\": \"input.username\", \"to\": \"form.user\"}, {\"from\": \"input.password\", \"to\": \"form.pass\"}]}",
                "description": "定义如何将输入映射到表单或Prompt"
            },
            {
                "name": "validationCriteria",
                "type": "textarea",
                "label": "成功/失败标准",
                "optional": true,
                "description": "如何判断 Agent 执行结果是否符合预期"
            },
            {
                "name": "executionResult",
                "type": "string",
                "label": "执行结果",
                "readonly": true
            },
            {
                "name": "agentLog",
                "type": "textarea",
                "label": "Agent 执行日志",
                "readonly": true,
                "rows": 4
            },
            {
                "name": "screenshotUrl",
                "type": "string",
                "label": "截图链接",
                "readonly": true,
                "optional": true
            },
            {
                "name": "extractedData",
                "type": "hidden"
            }
        ]
    },
    "delayNode": {
        "name": "延迟等待",
        "category": "logic",
        "color": "#bfbfbf",
        "icon_path": "/assets/icons/delay.svg",
        "shape": "circle",
        "width": 60,
        "height": 60,
        "ports": [
            "top",
            "right",
            "bottom",
            "left"
        ],
        "metaFields": [
            {
                "name": "delayMs",
                "type": "number",
                "label": "延迟时间 (ms)",
                "defaultValue": 1000
            }
        ]
    }
}