feat(workbench): expand SCADA monitoring and investigation presentation

src/features/agent/answer-ui/answer-view-state.ts

@@ -1,4 +1,5 @@
 import type { Spec } from "@json-render/core";
+import { chartSampleTime } from "./chart-presentation";
 
 // `selection` is an empty legacy v1 wire field, never an interactive row selection.
 export type AnswerTableState = { type: "Table"; query: string; sort: { column: number; descending: boolean } | null; selection: number[] };
@@ -53,9 +54,12 @@ export function normalizeAnswerNodeState(node: Node, input?: unknown): AnswerUiN
 }
 
 export function answerChartTableData(node: Node, state: AnswerChartState) {
-  const labels = node.props.x_data as string[], series = node.props.series as Array<{ name: string; data: number[] }>;
+  const labels = node.props.x_data as string[], series = node.props.series as Array<{ name: string; data: Array<number | null>; sample_times?: Array<string | null> }>;
   const visible = series.filter((_, index) => !state.hidden.includes(index));
-  return { columns: ["时间或类别", ...visible.map(({ name }) => name)], rows: labels.slice(state.range[0], state.range[1] + 1).map((label, index) => [label, ...visible.map(({ data }) => String(data[state.range[0] + index]))]) };
+  return { columns: ["时间或类别", ...visible.map(({ name }) => name)], rows: labels.slice(state.range[0], state.range[1] + 1).map((label, index) => [label, ...visible.map(({ data, sample_times }) => {
+    const offset = state.range[0] + index, time = chartSampleTime(sample_times?.[offset]);
+    return `${data[offset] == null ? "缺测" : data[offset]}${time ? ` (${time})` : ""}`;
+  })]) };
 }
 
 export function normalizeAnswerViewState(spec: Spec, input?: unknown): AnswerViewState {