fix(workbench): retry approved task actions after dispatch failure

src/features/agent/answer-ui/answer-display-time.test.ts

@@ -17,7 +17,7 @@ describe("answer presentation time zone", () => {
     expect(result.elements.table.props.rows).toEqual([["2026/7/16 08:00:00（UTC+8）"]]);
     expect(result.elements.evidence.props.observed_at).toBe("2026/7/16 08:00:00（UTC+8）");
     expect(result.elements.evidence.props.evidence_id).toBe("2026-07-16T00:00:00Z");
-    expect(result.elements.chart.props.x_axis_name).toBe("时间（UTC+8）");
+    expect(result.elements.chart.props.x_axis_name).toBe("时间");
     expect(result.elements.chart.props.x_data).toEqual(["08:00"]);
     expect(JSON.stringify(spec)).toBe(original);
     expect(withAnswerDisplayTimes(result)).toEqual(result);
@@ -36,4 +36,23 @@ describe("answer presentation time zone", () => {
     expect(result.elements.table.props.rows).toEqual([["2027/1/1 01:00:00（UTC+8）", "00:00"]]);
     expect(withAnswerDisplayTimes(result)).toEqual(result);
   });
+  it("removes chart timezone wording while preserving the window, data and sample instants", () => {
+    const samples = ["2026-07-15T23:30:00Z", "2026-07-15T23:45:00Z"];
+    const spec: Spec = { root: "chart", elements: {
+      chart: { type: "Chart", props: {
+        title: "回放流量：487434（m³/h，上海时间 07-16 04:45–07:45）",
+        x_axis_name: "上海时间", x_data: ["07:30", "07:45"],
+        series: [{ name: "当前回放（2026-07-16，UTC+8）", data: [420, 380], sample_times: samples }]
+      }, children: [] }
+    } };
+    const result = withAnswerDisplayTimes(spec);
+    expect(result.elements.chart.props.title).toBe("回放流量：487434（m³/h，07-16 04:45–07:45）");
+    expect(result.elements.chart.props.x_axis_name).toBe("时间");
+    expect(result.elements.chart.props.x_data).toEqual(["07:30", "07:45"]);
+    expect(result.elements.chart.props.series).toEqual([
+      { name: "当前回放（2026-07-16）", data: [420, 380], sample_times: samples }
+    ]);
+    expect(withAnswerDisplayTimes(result)).toEqual(result);
+  });
+
 });

src/features/agent/answer-ui/answer-display-time.ts

@@ -1,5 +1,5 @@
 import type { Spec } from "@json-render/core";
-import { formatDisplayText } from "@/shared/utils/date-time-text";
+import { formatDisplayText, withChartDisplayTimes } from "@/shared/utils/date-time-text";
 
 const textFields = new Set(["title", "description", "summary", "text", "label", "value", "source", "observed_at"]);
 const utcLabel = /UTC(?:\s*\+?0(?::00)?)?(?![\w+:-])/;
@@ -23,14 +23,7 @@ export function withAnswerDisplayTimes(spec: Spec): Spec {
       props.columns = columns.map(timeAxis);
     }
     if (node.type === "Chart") {
-      const axis = typeof props.x_axis_name === "string" ? props.x_axis_name : "";
+      Object.assign(props, withChartDisplayTimes(props as Parameters<typeof withChartDisplayTimes>[0]));
-      props.x_data = (props.x_data as string[]).map((label) => {
-        const displayed = displayCell(label, axis);
-        return timeAxis(axis).includes("UTC+8") ? displayed.replace(/（UTC\+8）$/, "") : displayed;
-      });
-      if (typeof props.x_axis_name === "string") props.x_axis_name = timeAxis(props.x_axis_name);
-      props.series = (props.series as Array<Record<string, unknown>>).map((series) => ({ ...series,
-        name: typeof series.name === "string" ? formatDisplayText(series.name) : series.name }));
     }
     return [id, { ...node, props }];
   })) };

src/features/agent/components/agent-ui-envelope-renderer.tsx

@@ -1,6 +1,7 @@
 import { Activity, BarChart3, Database, History, LineChart, MonitorCog } from "lucide-react";
 import { AnimatePresence, MotionConfig, motion } from "motion/react";
 import { memo, type ReactNode } from "react";
+import { formatChartDisplayText, withChartDisplayTimes } from "@/shared/utils/date-time-text";
 import { StatusIcon } from "@/shared/ui/status";
 import { StandaloneInteractiveChart } from "../answer-ui/interactive-chart";
 import { normalizeSafeChartData, parseChartSpec } from "../chart-data";
@@ -78,8 +79,12 @@ export const AgentChartView = memo(function AgentChartView({ chart, embedded = f
 });
 
 function SafeChartEnvelope({ envelope, embedded = false, expanded = false }: { envelope: Extract<UIEnvelope, { kind: "chart" }>; embedded?: boolean; expanded?: boolean }) {
-  const spec = parseChartSpec(envelope.spec);
+  const parsed = parseChartSpec(envelope.spec);
-  const data = normalizeSafeChartData(envelope.data, 100);
+  const raw = normalizeSafeChartData(envelope.data, 100);
+  const displayed = withChartDisplayTimes({ title: parsed.title ?? "Agent 图表", x_axis_name: parsed.xAxisName,
+    x_data: raw?.xData ?? [], series: raw?.series ?? [] });
+  const spec = { ...parsed, title: displayed.title, xAxisName: displayed.x_axis_name };
+  const data = raw ? { ...raw, xData: displayed.x_data, series: displayed.series } : null;
 
   if (!data || data.series.length === 0 || data.xData.length === 0) {
     return <FallbackText text={envelope.fallbackText ?? "图表数据未通过前端安全子集校验。"} />;
@@ -206,7 +211,7 @@ function getEnvelopeIcon(envelope: UIEnvelope) {
 function getEnvelopeTitle(envelope: UIEnvelope) {
   if (envelope.kind === "chart") {
     const spec = parseChartSpec(envelope.spec);
-    return spec.title ?? "Agent 图表";
+    return formatChartDisplayText(spec.title ?? "Agent 图表");
   }
 
   if (envelope.kind === "registered_component") {

src/features/workbench/components/agent-execution-plan-panel.test.tsx

@@ -130,6 +130,48 @@ function taskPanel(task: OperationalTask, overrides: Partial<ComponentProps<type
   return { ...props, rerender };
 }
 
+it.each(["failed", "unsupported"] as const)("retries an approved %s action using its current version", async (status) => {
+  let finish!: () => void;
+  const onExecute = vi.fn(() => new Promise<void>((resolve) => { finish = resolve; }));
+  const task: OperationalTask = { ...taskBase,
+    permissions: { ...taskBase.permissions, can_execute_work_orders: true },
+    actions: [{ ...taskBase.actions[0], approval_status: "approved", execution_status: status }]
+  };
+  const props = taskPanel(task, { onExecute });
+  const section = screen.getByRole("region", { name: "当前需处理" });
+  expect(section).toHaveTextContent("待重试");
+  const retry = within(section).getByRole("button", { name: "重试执行" });
+  fireEvent.click(retry);
+  expect(retry).toBeDisabled();
+  fireEvent.click(retry);
+  expect(onExecute).toHaveBeenCalledExactlyOnceWith(task.actions[0].action_id, task.actions[0].version);
+  expect(props.onDecision).not.toHaveBeenCalled();
+  finish();
+  await waitFor(() => expect(retry).toBeEnabled());
+  props.rerender(<AgentExecutionPlanPanel {...props} task={{ ...task,
+    actions: [{ ...task.actions[0], version: 4, execution_status: "submitted" }]
+  }} />);
+  expect(screen.queryByRole("button", { name: "重试执行" })).not.toBeInTheDocument();
+  expect(screen.getByRole("button", { name: "核对执行回执" })).toBeVisible();
+});
+
+it("keeps retry disabled without work-order execution permission", () => {
+  const props = taskPanel({ ...taskBase, actions: [{ ...taskBase.actions[0],
+    approval_status: "approved", execution_status: "unsupported"
+  }] });
+  const retry = screen.getByRole("button", { name: "重试执行" });
+  expect(retry).toBeDisabled();
+  fireEvent.click(retry);
+  expect(props.onExecute).not.toHaveBeenCalled();
+});
+
+it.each(["pending", "rejected"] as const)("does not retry a %s action", (approval) => {
+  taskPanel({ ...taskBase, permissions: { ...taskBase.permissions, can_execute_work_orders: true },
+    actions: [{ ...taskBase.actions[0], approval_status: approval, execution_status: "failed" }]
+  });
+  expect(screen.queryByRole("button", { name: "重试执行" })).not.toBeInTheDocument();
+});
+
 it("keeps fixed question answers in the report and focuses them from a data gap", () => {
   const task: OperationalTask = { ...taskBase, actions: [], active_run: null, lifecycle_status: "waiting_human",
     questions: [{ question_request_id: "70000000-0000-4000-8000-000000000001", task_id: taskBase.task_id,

src/features/workbench/components/agent-execution-plan-panel.tsx

@@ -33,6 +33,7 @@ import type {
   OperationalTaskDataSnapshot
 } from "../api/operational-task-client";
 import type { TaskExecutionHistoryTarget } from "../api/operational-task-client";
+import { isRetryableInvestigationAction } from "../utils/investigation-presentation";
 
 type ExecutionNode = {
   id: string;
@@ -568,6 +569,7 @@ export function HumanActionCard({ task, action, onDecision, onExecute, onDraftUp
           <div className="mt-3 flex flex-wrap justify-end gap-2">
             {action.approval_status === "pending" && canDecide ? <><Button variant="outline" size="sm" disabled={submitting !== null} onClick={() => void run("reject")}>拒绝动作</Button>{!command && onDraftUpdate ? <Button variant="outline" size="sm" disabled={submitting !== null || editing} onClick={() => { setDraft(workOrderDraft(action.payload)); setEditing(true); }}>编辑草稿</Button> : null}<Button size="sm" disabled={submitting !== null || editing || savedVersion === action.version || (!command && !!onConfirmDispatch && !canExecute)} onClick={() => void run(!command && onConfirmDispatch ? "confirm" : "approve")}>{submitting === "approve" || submitting === "confirm" ? <Loader2 className="animate-spin" /> : null}{command ? "批准下发命令" : onConfirmDispatch ? "确认并创建预约工单" : "批准创建预约工单"}</Button></> : null}
             {action.approval_status === "approved" && action.execution_status === "not_submitted" ? <Button size="sm" disabled={!canExecute || submitting !== null} title={!canExecute ? "当前账号无此动作执行权限" : undefined} onClick={() => void run("execute")}>{submitting === "execute" ? <Loader2 className="animate-spin" /> : null}{command ? "下发命令" : "创建预约工单"}</Button> : null}
+            {isRetryableInvestigationAction(action) ? <Button size="sm" disabled={!canExecute || submitting !== null || stale} title={!canExecute ? "当前账号无此动作执行权限" : undefined} onClick={() => void run("execute")}>{submitting === "execute" ? <Loader2 className="animate-spin" /> : <RefreshCw size={14} />}重试执行</Button> : null}
             {action.approval_status === "approved" && ["submitted", "unknown"].includes(action.execution_status) ? <Button variant="outline" size="sm" disabled={!canExecute || submitting !== null} onClick={() => void run("reconcile")}>{submitting === "reconcile" ? <Loader2 className="animate-spin" /> : <RefreshCw size={14} />}核对执行回执</Button> : null}
           </div>
         </div>

src/features/workbench/components/investigation-presentation-panel.tsx

@@ -2,6 +2,7 @@ import { useId, useState } from "react";
 import { AnimatePresence, motion, useReducedMotion } from "motion/react";
 import { ChevronDown, Eye, EyeOff, LocateFixed, MapPinned, Pause, X } from "lucide-react";
 import { AgentChartView, type AnswerUiBlock } from "@/features/agent";
+import { formatChartDisplayText } from "@/shared/utils/date-time-text";
 import { Badge } from "@/shared/ui/badge";
 import { Button } from "@/shared/ui/button";
 import { Card, CardContent, CardHeader } from "@/shared/ui/card";
@@ -295,13 +296,13 @@ export function InvestigationPresentationPanel({
                   <Card
                     data-investigation-chart={item.chart_id}
                     role="group"
-                    aria-label={item.chart.title}
+                    aria-label={formatChartDisplayText(item.chart.title)}
                     className="border-border shadow-none"
                   >
                     <CardHeader className="flex-row items-start justify-between gap-2 space-y-0 p-3 pb-2">
                       <div className="min-w-0">
                         <h3 className="break-words text-xs font-semibold leading-5 [overflow-wrap:anywhere]">
-                          {item.chart.title}
+                          {formatChartDisplayText(item.chart.title)}
                         </h3>
                         <p className="mt-1 text-[11px] text-muted-foreground">
                           {item.chart.series.some((series) => series.type === "scatter") ? "折线与历史散点" : item.chart.chart_type === "bar" ? "柱状图" : "折线图"} ·{" "}
@@ -310,7 +311,7 @@ export function InvestigationPresentationPanel({
                         </p>
                       </div>
                       <div className="flex shrink-0 items-center gap-1">
-                        <FloatingWindow title={item.chart.title} fillContent
+                        <FloatingWindow title={formatChartDisplayText(item.chart.title)} fillContent
                           openRequestKey={chartWindowKey === undefined ? undefined : JSON.stringify([chartWindowKey, item])}>
                           {() => <div className="flex h-full min-h-0 min-w-0 flex-col gap-2">
                             <AgentChartView chart={item.chart} embedded expanded />
@@ -323,7 +324,7 @@ export function InvestigationPresentationPanel({
                           size="icon-sm"
                           className="shrink-0"
                           disabled={reviewing}
-                          aria-label={`关闭图表 ${item.chart.title}`}
+                          aria-label={`关闭图表 ${formatChartDisplayText(item.chart.title)}`}
                           onClick={() => onCloseChart(item.chart_id)}
                         >
                           <X size={14} aria-hidden />

src/features/workbench/components/investigation-task-report.tsx

@@ -18,7 +18,8 @@ import type {
 import {
   investigationDiagram,
   investigationStatus,
-  isPendingInvestigationAction
+  isPendingInvestigationAction,
+  isRetryableInvestigationAction
 } from "../utils/investigation-presentation";
 import { InvestigationDiagramView } from "./investigation-diagram-view";
 import { InvestigationExpandCard } from "./investigation-expand-card";
@@ -433,9 +434,11 @@ export function InvestigationTaskReport({
                   {actionTitle(action)} ·{" "}
                   {action.approval_status === "pending"
                     ? "待审核"
-                    : action.execution_status === "not_submitted"
+                    : isRetryableInvestigationAction(action)
-                      ? "待执行"
+                      ? "待重试"
-                      : "待核对回执"}
+                      : action.execution_status === "not_submitted"
+                        ? "待执行"
+                        : "待核对回执"}
                 </span>
               }
             >

src/features/workbench/utils/investigation-presentation.ts

@@ -71,6 +71,7 @@ export function investigationStatus(task: OperationalTask): string {
   if (task.lifecycle_status === "cancelled") return "本轮已取消";
   if (task.questions?.some((question) => question.status === "pending" && question.execution_generation === task.execution_generation)) return "等待回答";
   if (task.actions.some((action) => action.approval_status === "pending")) return "待人工审核";
+  if (task.actions.some(isRetryableInvestigationAction)) return "待重试动作";
   if (
     task.actions.some(
       (action) =>
@@ -105,6 +106,11 @@ export function isPendingInvestigationAction(action: OperationalTask["actions"][
   return (
     action.approval_status === "pending" ||
     (action.approval_status === "approved" &&
-      ["not_submitted", "submitted", "unknown"].includes(action.execution_status))
+      ["not_submitted", "submitted", "unknown"].includes(action.execution_status)) ||
+    isRetryableInvestigationAction(action)
   );
 }
+
+export function isRetryableInvestigationAction(action: OperationalTask["actions"][number]) {
+  return action.approval_status === "approved" && ["failed", "unsupported"].includes(action.execution_status);
+}

src/features/workbench/utils/presentation-command-label.ts

@@ -1,3 +1,4 @@
+import { formatChartDisplayText } from "@/shared/utils/date-time-text";
 import type { InvestigationPresentationCommand } from "../api/investigation-presentation";
 import { investigationActionLabels } from "./investigation-dev-preview";
 import type { PresentationView } from "./presentation-view-history";
@@ -8,11 +9,11 @@ export function presentationCommandLabel(
 ) {
   const detail =
     command.action === "open_chart"
-      ? command.chart.title
+      ? formatChartDisplayText(command.chart.title)
       : command.action === "set_overlay"
         ? command.title
         : command.action === "close_chart"
-          ? view.charts.find((chart) => chart.chart_id === command.chart_id)?.chart.title
+          ? formatChartDisplayText(view.charts.find((chart) => chart.chart_id === command.chart_id)?.chart.title ?? "")
           : "feature_ids" in command
             ? command.feature_ids.slice(0, 3).join("、")
             : null;

src/shared/utils/date-time-text.ts

@@ -41,3 +41,32 @@ export function formatDisplayText(text: string | null | undefined): string {
     });
   }).join("");
 }
+
+/** Chart labels use the display clock without repeating its zone to readers. */
+export function formatChartDisplayText(value: string): string {
+  return formatDisplayText(value)
+    .replace(/[（(]\s*(?:上海时间|Asia\/Shanghai|UTC\s*\+\s*8(?::00)?)\s*[）)]/g, "")
+    .replace(/(?:上海时间|Asia\/Shanghai|UTC\s*\+\s*8(?::00)?)(?![\w:+-])\s*/g, "")
+    .replace(/[，,]\s*([）)])/g, "$1")
+    .trim();
+}
+
+type ChartDisplayFields = {
+  title: string;
+  x_axis_name?: string;
+  y_axis_name?: string;
+  x_data: string[];
+  series: Array<{ name: string }>;
+};
+
+/** Preserve values and original sample timestamps; convert only visible labels. */
+export function withChartDisplayTimes<T extends ChartDisplayFields>(chart: T): T {
+  const utcAxis = /UTC(?:\s*\+?0(?::00)?)?(?![\w+:-])/.test(chart.x_axis_name ?? "");
+  const bareTime = /^(?:\d{4}-\d{2}-\d{2}[T ])?\d{2}:\d{2}(?::\d{2}(?:\.\d{1,9})?)?$/;
+  return { ...chart,
+    title: formatChartDisplayText(chart.title),
+    ...(chart.x_axis_name ? { x_axis_name: formatChartDisplayText(chart.x_axis_name.replace(/UTC(?:\s*\+?0(?::00)?)?(?![\w+:-])/g, "UTC+8")) || "时间" } : {}),
+    x_data: chart.x_data.map((label) => formatChartDisplayText(utcAxis && bareTime.test(label) ? `${label} UTC` : label)),
+    series: chart.series.map((series) => ({ ...series, name: formatChartDisplayText(series.name) }))
+  };
+}

tests/browser/investigation-action-retry.e2e.ts

@@ -0,0 +1,78 @@
+import { expect, test } from "@playwright/test";
+import { mockAgentApi } from "./support/mock-agent-api";
+
+test("已批准的派单失败动作可重试，并在提交期间禁止重复点击", async ({ page }, testInfo) => {
+  await mockAgentApi(page);
+  await page.emulateMedia({ reducedMotion: "reduce" });
+  await page.goto("/", { waitUntil: "domcontentloaded" });
+  await page.setContent('<!doctype html><html lang="zh-CN"><head><link rel="stylesheet" href="/src/styles.css"></head><body><main id="reader" style="max-width:680px;margin:auto;padding:16px"></main></body></html>');
+  await page.evaluate(async () => {
+    const entry = await (await fetch("/src/main.tsx")).text();
+    const reactUrl = entry.match(/from "([^"\n]*\/react\.js[^"\n]*)"/)?.[1];
+    const clientUrl = entry.match(/from "([^"\n]*\/react-dom_client\.js[^"\n]*)"/)?.[1];
+    if (!reactUrl || !clientUrl) throw new Error("Vite React module paths unavailable");
+    const reactModule = await import(reactUrl);
+    const React = reactModule.default ?? reactModule;
+    const clientModule = await import(clientUrl);
+    const { createRoot } = clientModule.default ?? clientModule;
+    const { AgentExecutionPlanPanel } = await import("/src/features/workbench/components/agent-execution-plan-panel.tsx");
+    const now = "2026-11-07T13:36:15Z";
+    let task = {
+      task_id: "task-retry", task_type: "event_investigation", title: "SCADA 异常调查",
+      summary: "候选管段515870待现场核验", execution_generation: 1,
+      lifecycle_status: "waiting_human", status: "waiting_human", updated_at: now,
+      latest_report: { revision: 2, execution_generation: 1, published_at: now, report: {
+        title: "现场核验工单派发状态", stage: "final", outcome: "concluded",
+        current_conclusion: "工单已批准，执行适配器尚未配置，现场核验未派发。",
+        conclusion_boundary: "事件未闭环。", recommendations: [], pending_items: [],
+        data_gaps: [], evidence_refs: [], diagram: null
+      } },
+      latest_progress: null, latest_plan: null, active_run: null, evidence: [], access_requests: [],
+      permissions: { can_execute_work_orders: true },
+      actions: [{ action_id: "action-retry", task_id: "task-retry", version: 4,
+        kind: "create_work_order", reason: "候选管段515870需现场核验", proposed_at: now,
+        decided_at: now, executed_at: now, approval_status: "approved", execution_status: "unsupported",
+        execution_detail: "尚未配置该动作的外部执行适配器", evidence_refs: [], receipt: null,
+        payload: { title: "候选管段515870现场漏水核查", description: "核查渗漏、阀门状态并回填照片和压力复测。",
+          work_order_type: "general", priority: "normal" } }]
+    };
+    const calls: { actionId: string; version: number }[] = [];
+    let finish: () => void;
+    const root = createRoot(document.getElementById("reader"));
+    const render = () => root.render(React.createElement(AgentExecutionPlanPanel, {
+      task, onContinue: () => undefined, onDecision: async () => undefined,
+      onReconcile: async () => undefined, onRefresh: () => undefined,
+      onLoadEvidenceSnapshot: async () => undefined,
+      onExecute: async (actionId: string, version: number) => {
+        calls.push({ actionId, version });
+        await new Promise<void>((resolve) => { finish = resolve; });
+        task = { ...task, actions: [{ ...task.actions[0], version: 5,
+          execution_status: "submitted", execution_detail: "工单已提交，等待现场核验回执" }] };
+        render();
+      }
+    }));
+    Object.assign(window, { retryCalls: calls, finishRetry: () => finish() });
+    render();
+  });
+  const section = page.getByRole("region", { name: "当前需处理", exact: true });
+  await expect(section).toContainText("待重试");
+  await section.locator("summary").filter({ hasText: "待重试" }).click();
+  const retry = section.getByRole("button", { name: "重试执行", exact: true });
+  await expect(retry).toBeEnabled();
+  await retry.scrollIntoViewIfNeeded();
+  await page.screenshot({ path: testInfo.outputPath("retry-desktop.png") });
+  await page.setViewportSize({ width: 390, height: 844 });
+  await retry.scrollIntoViewIfNeeded();
+  await expect(retry).toBeInViewport();
+  expect(await page.evaluate(() => document.documentElement.scrollWidth <= window.innerWidth)).toBe(true);
+  await page.screenshot({ path: testInfo.outputPath("retry-mobile.png") });
+  await retry.click();
+  await expect(retry).toBeDisabled();
+  expect(await page.evaluate(() => (window as unknown as { retryCalls: unknown[] }).retryCalls)).toEqual([
+    { actionId: "action-retry", version: 4 }
+  ]);
+  await page.evaluate(() => (window as unknown as { finishRetry: () => void }).finishRetry());
+  await expect(retry).toHaveCount(0);
+  await expect(section.getByRole("button", { name: "核对执行回执" })).toBeVisible();
+  await expect(section).toContainText("工单已提交，等待现场核验回执");
+});

tests/browser/investigation-chart-windows.e2e.ts

@@ -156,7 +156,7 @@ test("SCADA chart axes and legends fit every nested container", async ({ page },
     series: [{ name: "测点 123748（实测回放）", data: [26.2, 25.7, 23.5] },
       { name: "测点 159673（实测回放）", data: [24.9, 24.87, 21.6] }]
   } });
-  const popup = page.getByRole("dialog", { name: "SCADA 回放压力：异常前后（2026-07-16，UTC+8）", exact: true });
+  const popup = page.getByRole("dialog", { name: "SCADA 回放压力：异常前后（2026-07-16）", exact: true });
   await expect(popup).toBeVisible();
   await expect.poll(() => popup.evaluate((node) => Array.from(node.querySelectorAll<HTMLElement>("*"))
     .filter((element) => {
@@ -173,3 +173,31 @@ test("SCADA chart axes and legends fit every nested container", async ({ page },
     body: await popup.screenshot({ path: testInfo.outputPath("scada-chart-layout.png") }), contentType: "image/png"
   });
 });
+
+
+test("SCADA pressure and flow keep full comparison data without timezone wording", async ({ page }, testInfo) => {
+  const task = investigationFixture(1, "SCADA 三小时对照核查");
+  const mock = await mockInvestigationPresentation(page, [task]);
+  await selectInvestigation(page, task.title);
+  const labels = Array.from({ length: 13 }, (_, i) => `${String(4 + Math.floor((45 + i * 15) / 60)).padStart(2, "0")}:${String((45 + i * 15) % 60).padStart(2, "0")}`);
+  for (const [metric, device, unit] of [["压力", "123748", "m"], ["流量", "487434", "m³/h"]]) {
+    await mock.emit(task, { action: "open_chart", chart_id: `scada-${device}`, evidence_refs: ["synthetic:pressure"], chart: {
+      title: `回放${metric}：${device}（${unit}，上海时间 07-16 04:45–07:45）`, chart_type: "line",
+      x_axis_name: "上海时间", y_axis_name: `${metric}（${unit}）`, x_data: labels,
+      series: [{ name: "当前回放（2026-07-16）", type: "line", data: labels.map((_, i) => 30 + i) },
+        ...Array.from({ length: 7 }, (_, day) => ({ name: `参考 07-${String(9 + day).padStart(2, "0")}`, type: "scatter",
+          data: labels.map((_, i) => i < 10 ? null : 28 + day) }))]
+    } });
+    const popup = page.getByRole("dialog", { name: `回放${metric}：${device}（${unit}，07-16 04:45–07:45）`, exact: true });
+    await expect(popup).toBeVisible();
+    await expect(popup.getByText(/上海时间|UTC\+8|Asia\/Shanghai/)).toHaveCount(0);
+    await expect(popup.getByRole("img", { name: `回放${metric}：${device}（${unit}，07-16 04:45–07:45）`, exact: true })).toBeVisible();
+    await testInfo.attach(`scada-${device}-comparison`, { body: await popup.screenshot(), contentType: "image/png" });
+    await popup.getByRole("tab", { name: "数据", exact: true }).click();
+    const table = popup.getByRole("table");
+    await expect(table).toBeVisible();
+    await expect(table.getByRole("row")).toHaveCount(14);
+    await expect(table.getByRole("columnheader")).toHaveCount(9);
+    await popup.getByRole("button", { name: "关闭窗口", exact: true }).click();
+  }
+});