export const answerUiDemoBlock = {
  version: "answer-ui@1",
  block_id: "pressure",
  fallback_text: "演练压力读数，仍待现场核验。",
  spec: {
    root: "root",
    elements: {
      root: {
        type: "Stack",
        props: { columns: "one", gap: "normal" },
        children: ["metrics", "chart", "evidence", "location", "form"]
      },
      metrics: {
        type: "Stack",
        props: { columns: "two", gap: "compact" },
        children: ["pressure", "flow"]
      },
      pressure: {
        type: "Metric",
        props: { label: "压力", value: "0.30", unit: "MPa", source: "演练数据" },
        children: []
      },
      flow: {
        type: "Metric",
        props: { label: "流量", value: "18", unit: "m³/h", source: "演练数据" },
        children: []
      },
      chart: {
        type: "Chart",
        props: {
          title: "演练监测趋势",
          chart_type: "line",
          x_data: ["08:00", "09:00"],
          series: [{ name: "压力（MPa）", data: [0.3, 0.28] }, { name: "参考压力（MPa）", data: [0.29, 0.26] }],
          source: "浏览器验收演练数据"
        },
        children: []
      },
      evidence: {
        type: "Evidence",
        props: {
          title: "查看演练证据",
          summary: "仅用于组件验收，不代表已核验现场事实。",
          source: "浏览器演练",
          evidence_id: "DEMO-001",
          observed_at: null,
          kind: "demo"
        },
        children: []
      },
      location: {
        type: "MapLocation",
        props: {
          label: "定位演练监测点",
          layer: "scada",
          feature_ids: ["DEMO-P001"],
          source: "演练监测点"
        },
        children: []
      },
      form: {
        type: "FollowUpForm",
        props: {
          title: "补充核验资料",
          description: "填写后由你主动发送给 Agent。",
          fields: [{ name: "location", label: "现场位置", kind: "text", required: true }]
        },
        children: []
      }
    }
  }
};