fix(workbench): suppress unconfigured demo alerts

The not_configured branch previously promoted mock task failures into critical alerts. Return an explicit empty alert source so the exception badge reflects only actionable backend state.

src/features/workbench/components/workbench-top-bar.tsx

@@ -142,7 +142,7 @@ export function WorkbenchTopBar({
           open={openMenu === "alerts"}
           onOpenChange={createMenuOpenChange("alerts")}
           alerts={alerts}
-          sourceLabel={alertDataSource === "mock" ? "工况演示回退" : "后端运行态"}
+          sourceLabel={getAlertSourceLabel(alertDataSource)}
           conditionFeedVisible={conditionFeedVisible}
           onSelectAlert={onSelectAlert}
           onToggleConditionFeed={onToggleConditionFeed}
@@ -239,7 +239,7 @@ export function WorkbenchTopBar({
             open={openMenu === "compact-alerts"}
             onOpenChange={createMenuOpenChange("compact-alerts")}
             alerts={alerts}
-            sourceLabel={alertDataSource === "mock" ? "工况演示回退" : "后端运行态"}
+            sourceLabel={getAlertSourceLabel(alertDataSource)}
             conditionFeedVisible={conditionFeedVisible}
             onSelectAlert={onSelectAlert}
             onToggleConditionFeed={onToggleConditionFeed}
@@ -261,6 +261,12 @@ export function WorkbenchTopBar({
   );
 }
 
+function getAlertSourceLabel(source: WorkbenchAlertDataSource) {
+  if (source === "backend") return "后端运行态";
+  if (source === "mock") return "工况演示回退";
+  return "未配置告警源";
+}
+
 function getAnalysisOriginLabel(origin: AnalysisArtifact["origin"]) {
   if (origin === "backend") return "后端分析运行";
   if (origin === "demo") return "演示成果";

src/features/workbench/hooks/use-workbench-runtime-data.test.ts

@@ -66,7 +66,7 @@ describe("workbench runtime data", () => {
     expect(getMsUntilNextHeaderDataTimeTick(new Date(2026, 6, 22, 15, 43, 30))).toBe(90_000);
   });
 
-  it("keeps mock conditions and shows no work orders when backend storage is not configured", () => {
+  it("keeps mock conditions without inventing alerts when backend storage is not configured", () => {
     const resolved = resolveWorkbenchRuntimeData([mockCondition], {
       availability: "not_configured",
       source: "none",
@@ -86,7 +86,8 @@ describe("workbench runtime data", () => {
 
     expect(resolved.runtimeDataSource).toBe("mock");
     expect(resolved.scheduledConditions).toEqual([mockCondition]);
-    expect(resolved.workbenchAlerts).toHaveLength(1);
+    expect(resolved.workbenchAlerts).toEqual([]);
+    expect(resolved.alertDataSource).toBe("none");
     expect(resolved.scenarioDataSource).toBe("mock");
     expect(resolved.artifactDataSource).toBe("mock");
     expect(resolved.workOrderDataSource).toBe("none");
@@ -132,9 +133,8 @@ describe("workbench runtime data", () => {
 
     expect(resolved.runtimeDataSource).toBe("mock");
     expect(resolved.scheduledConditions).toEqual([mockCondition]);
-    expect(resolved.workbenchAlerts).not.toEqual([backendAlert]);
+    expect(resolved.workbenchAlerts).toEqual([]);
-    expect(resolved.workbenchAlerts[0]?.id).toBe("scheduled-condition-alert-mock-condition");
+    expect(resolved.alertDataSource).toBe("none");
-    expect(resolved.alertDataSource).toBe("mock");
     expect(resolved.scenarioDataSource).toBe("mock");
     expect(resolved.workOrderDataSource).toBe("none");
 

src/features/workbench/hooks/use-workbench-runtime-data.ts

@@ -11,7 +11,6 @@ import {
 } from "../data/scheduled-conditions";
 import { WORKBENCH_SCENARIOS } from "../data/workbench-session";
 import type { ScheduledConditionItem } from "../types";
-import { createScheduledConditionAlerts } from "../utils/scheduled-condition-alerts";
 import type { WorkbenchSyncState } from "./use-workbench-sync";
 
 const HEADER_DATA_TIME_STEP_MINUTES = 5;
@@ -106,8 +105,8 @@ export function resolveWorkbenchRuntimeData(
     scheduledConditions: [...fallbackConditions, ...resolvedWorkOrders],
     workbenchAlerts: backendAlertsConfigured
       ? backendSnapshot!.alerts
-      : createScheduledConditionAlerts(fallbackConditions),
+      : [],
-    alertDataSource: backendAlertsConfigured ? "backend" as const : "mock" as const,
+    alertDataSource: backendAlertsConfigured ? "backend" as const : "none" as const,
     runtimeDataSource: "mock" as const,
     scenarios: useBackendScenarios ? backendSnapshot!.scenarios : WORKBENCH_SCENARIOS,
     scenarioDataSource: useBackendScenarios ? "analysis_runs" as const : "mock" as const,

src/features/workbench/types.ts

@@ -44,7 +44,7 @@ export type WorkbenchRuntimeDataSource =
   | "scheduled_tasks"
   | "operational_tasks";
 
-export type WorkbenchAlertDataSource = "mock" | "backend";
+export type WorkbenchAlertDataSource = "mock" | "backend" | "none";
 
 export type WorkbenchScenarioDataSource = "mock" | "analysis_runs";
 

tests/browser/operational-task-approval.e2e.ts

@@ -264,6 +264,14 @@ test("审批动作展示中文参数和证据，viewer 不可审批，冲突后
   };
 
   await page.goto("/");
+  const alertTrigger = page.getByRole("button", {
+    name: "查看异常处置面板，当前 0 条待复核工况"
+  }).first();
+  await expect(alertTrigger).toBeVisible();
+  await alertTrigger.click();
+  await expect(page.getByText("当前无待复核工况", { exact: true }).first()).toBeVisible();
+  await expect(page.getByText("来源：未配置告警源", { exact: true })).toBeVisible();
+  await page.keyboard.press("Escape");
   const reconnectNotice = page.locator("[data-sonner-toast]").filter({
     hasText: "业务同步正在重连"
   });