feat: implement ScanTerminalDashboard UI and state management with supporting tests

frontend/components/dashboard/ScanTerminalDashboard.tsx

@@ -46,13 +46,6 @@ import {
   useUserLocalClock,
 } from "@/components/dashboard/scan-terminal/use-scan-terminal-ui-state";
 import { useRelativeTime } from "@/hooks/useRelativeTime";
-const MarketOverviewBanner = dynamic(
-  () =>
-    import(
-      "@/components/dashboard/scan-terminal/MarketOverviewBanner"
-    ).then((m) => m.MarketOverviewBanner),
-  { ssr: false },
-);
 
 const MonitorPanel = dynamic(
   () => import("@/components/dashboard/monitoring/MonitorPanel"),
@@ -453,12 +446,6 @@ function ScanTerminalScreen() {
             />
           ) : null}
 
-          <MarketOverviewBanner
-            isEn={isEn}
-            isPro={isPro}
-            rows={timeSortedRows}
-          />
-
           <section className="scan-list-section">
             <div className="scan-list-header">
               <div className="scan-list-tabs" role="tablist" aria-label={isEn ? "Content view" : "内容视图"}>