feat(web): refresh rate limits timestamp and tpm settlement display

apps/web/src/pages/AdminPage.tsx

@@ -137,9 +137,10 @@ export function AdminPage(props: {
             <PlatformManagementPanel
               baseModels={props.data.baseModels}
               message={props.operationMessage}
-	              networkProxyConfig={props.data.networkProxyConfig}
-	              modelRateLimits={props.data.modelRateLimits}
-	              platformModels={props.data.models}
+              networkProxyConfig={props.data.networkProxyConfig}
+              modelRateLimits={props.data.modelRateLimits}
+              modelRateLimitsUpdatedAt={props.data.modelRateLimitsUpdatedAt}
+              platformModels={props.data.models}
               platforms={props.data.platforms}
               pricingRuleSets={props.data.pricingRuleSets}
               providers={props.data.providers}

apps/web/src/pages/admin/PlatformManagementPanel.tsx

@@ -22,9 +22,10 @@ import { ModelCatalogCard } from './ModelCatalogCard';
 
 export function PlatformManagementPanel(props: {
   baseModels: BaseModelCatalogItem[];
-	  message: string;
-	  modelRateLimits: ModelRateLimitStatus[];
-	  networkProxyConfig: { globalHttpProxy?: string; globalHttpProxySet: boolean; globalHttpProxySource?: string } | null;
+  message: string;
+  modelRateLimits: ModelRateLimitStatus[];
+  modelRateLimitsUpdatedAt: number | null;
+  networkProxyConfig: { globalHttpProxy?: string; globalHttpProxySet: boolean; globalHttpProxySource?: string } | null;
   platforms: IntegrationPlatform[];
   platformModels: PlatformModel[];
   pricingRuleSets: PricingRuleSet[];
@@ -200,11 +201,16 @@ export function PlatformManagementPanel(props: {
               providerMap={providerMap}
               onModelQueryChange={setModelQuery}
               now={now}
-	              onPlatformChange={setSelectedPlatformId}
-	            />
-	          ) : (
-	            <RateLimitStatusTable statuses={props.modelRateLimits} platformMap={platformMap} now={now} />
-	          )}
+              onPlatformChange={setSelectedPlatformId}
+            />
+          ) : (
+            <RateLimitStatusTable
+              now={now}
+              platformMap={platformMap}
+              statuses={props.modelRateLimits}
+              updatedAt={props.modelRateLimitsUpdatedAt}
+            />
+          )}
           {props.message && <p className="formMessage">{props.message}</p>}
         </CardContent>
       </Card>
@@ -572,7 +578,7 @@ function PlatformModelTable(props: {
 	  );
 	}
 
-function RateLimitStatusTable(props: { statuses: ModelRateLimitStatus[]; platformMap: Map<string, IntegrationPlatform>; now: number }) {
+function RateLimitStatusTable(props: { statuses: ModelRateLimitStatus[]; platformMap: Map<string, IntegrationPlatform>; now: number; updatedAt: number | null }) {
   if (!props.statuses.length) {
     return <EmptyState title="暂无限流状态" description="模型产生请求后会在这里显示实时 RPM、TPM 和并发窗口。" />;
   }
@@ -580,7 +586,7 @@ function RateLimitStatusTable(props: { statuses: ModelRateLimitStatus[]; platfor
     <section className="platformLimitView">
       <div className="platformLimitHeader">
         <span><Gauge size={15} />按综合满载率从高到低排序</span>
-        <small>每 3 秒刷新一次；TPM 显示已结算 + 预占。</small>
+        <small>每 3 秒刷新一次；TPM 显示已结算 + 预占；最新更新时间 {formatTimeOfDay(props.updatedAt)}。</small>
       </div>
       <div className="platformLimitTableViewport">
         <Table className="platformDataTable platformLimitTable">
@@ -1195,15 +1201,26 @@ function rateLimitMetricText(metric: string) {
 	}
 
 function metricCell(metric: ModelRateLimitStatus['rpm'], includeReserved = false) {
-  if (!metric.limited) return <span className="rateMetricCell"><strong>{formatLimit(metric.currentValue)} / 不限</strong><small>未配置上限</small></span>;
+  if (!metric.limited) return <span className="rateMetricCell"><strong>{formatLimit(metric.currentValue)} / 不限</strong><small>{includeReserved ? reservedMetricText(metric) : '未配置上限'}</small></span>;
   return (
     <span className="rateMetricCell">
       <strong>{formatLimit(metric.currentValue)} / {formatLimit(metric.limitValue)}</strong>
-      <small>{includeReserved && metric.reservedValue > 0 ? `已用 ${formatLimit(metric.usedValue)} · 预占 ${formatLimit(metric.reservedValue)}` : `窗口 ${formatPercent(metric.ratio)}`}</small>
+      <small>{includeReserved ? reservedMetricText(metric) : `窗口 ${formatPercent(metric.ratio)}`}</small>
     </span>
   );
 }
 
+function reservedMetricText(metric: ModelRateLimitStatus['rpm']) {
+  return `已结算 ${formatLimit(metric.usedValue)} + 预占 ${formatLimit(metric.reservedValue)}`;
+}
+
+function formatTimeOfDay(timestamp: number | null) {
+  if (!timestamp) return '暂无';
+  const date = new Date(timestamp);
+  const pad = (value: number) => String(value).padStart(2, '0');
+  return `${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`;
+}
+
 function modelRuntimeStatusCell(status: ModelRateLimitStatus, now: number) {
   const modelCooldownMs = cooldownRemainingMs(status.modelCooldownUntil, now);
   const platformCooldownMs = cooldownRemainingMs(status.platformCooldownUntil, now);