feat: add admin operations war room

src/web/pages/Dashboard.tsx

@@ -547,6 +547,72 @@ export default function Dashboard({
     const latency = site.averageLatencyMs ?? 0;
     return availability < 99 || latency > 1800 || site.failedCount > 0;
   }).length;
+  const riskySites = activeSites
+    .filter((site) => {
+      const availability = site.availabilityPercent ?? 100;
+      const latency = site.averageLatencyMs ?? 0;
+      return availability < 99 || latency > 1800 || site.failedCount > 0;
+    })
+    .sort((a, b) => {
+      const aScore =
+        (100 - (a.availabilityPercent ?? 100)) * 100 +
+        (a.failedCount || 0) * 8 +
+        Math.max(0, (a.averageLatencyMs || 0) - 1200) / 10;
+      const bScore =
+        (100 - (b.availabilityPercent ?? 100)) * 100 +
+        (b.failedCount || 0) * 8 +
+        Math.max(0, (b.averageLatencyMs || 0) - 1200) / 10;
+      return bScore - aScore;
+    })
+    .slice(0, 3);
+  const overallHealthTone =
+    proxySuccessRate >= 99 && siteRiskCount === 0
+      ? "success"
+      : proxySuccessRate >= 95 && siteRiskCount <= 2
+        ? "warning"
+        : "danger";
+  const overallHealthLabel =
+    overallHealthTone === "success"
+      ? "稳定"
+      : overallHealthTone === "warning"
+        ? "需关注"
+        : "异常";
+  const spendTone =
+    todaySpend <= todayReward
+      ? "success"
+      : todaySpend <= Math.max(1, todayReward * 2)
+        ? "warning"
+        : "danger";
+  const throughputLabel =
+    requestsPerMinute > 0
+      ? `${Math.round(requestsPerMinute).toLocaleString()} RPM`
+      : "暂无流量";
+  const operationsPulse = [
+    {
+      label: "整体状态",
+      value: overallHealthLabel,
+      note: `${proxySuccessRate.toFixed(1)}% 成功率`,
+      tone: overallHealthTone,
+    },
+    {
+      label: "站点风险",
+      value: `${siteRiskCount}`,
+      note: `${activeSites.length}/${rawSiteAvailability.length} 活跃站点`,
+      tone: siteRiskCount > 0 ? "warning" : "success",
+    },
+    {
+      label: "今日成本",
+      value: `$${todaySpend.toFixed(2)}`,
+      note: `奖励 $${todayReward.toFixed(2)}`,
+      tone: spendTone,
+    },
+    {
+      label: "当前吞吐",
+      value: throughputLabel,
+      note: `${formatCompactTokenMetric(tokensPerMinute)} TPM`,
+      tone: requestsPerMinute > 0 ? "primary" : "muted",
+    },
+  ];
   const dashboardCommandLinks = [
     {
       to: "/routes",
@@ -681,6 +747,46 @@ export default function Dashboard({
         </div>
       </section>
 
+      <section className="dashboard-war-room" aria-label="运营战情室">
+        <div className="dashboard-pulse-grid">
+          {operationsPulse.map((item) => (
+            <div className="dashboard-pulse-card" data-tone={item.tone} key={item.label}>
+              <span>{item.label}</span>
+              <strong>{item.value}</strong>
+              <em>{item.note}</em>
+            </div>
+          ))}
+        </div>
+        <div className="dashboard-risk-panel">
+          <div className="dashboard-risk-head">
+            <div>
+              <span>风险雷达</span>
+              <strong>{riskySites.length > 0 ? "优先检查这些站点" : "暂无明显站点风险"}</strong>
+            </div>
+            <Link to="/sites" className="btn btn-ghost">站点管理</Link>
+          </div>
+          {riskySites.length > 0 ? (
+            <div className="dashboard-risk-list">
+              {riskySites.map((site) => (
+                <Link
+                  key={site.siteId}
+                  to={buildSiteLast24hLogsRoute(site.siteId)}
+                  className="dashboard-risk-row"
+                >
+                  <strong>{site.siteName}</strong>
+                  <span>{formatAvailabilityPercent(site.availabilityPercent)}</span>
+                  <em>{site.averageLatencyMs != null ? `${site.averageLatencyMs}ms` : "暂无延迟"}</em>
+                </Link>
+              ))}
+            </div>
+          ) : (
+            <div className="dashboard-risk-empty">
+              站点可用性、平均延迟和失败数都处于可接受范围。
+            </div>
+          )}
+        </div>
+      </section>
+
       <nav className="dashboard-command-strip" aria-label="运营快捷入口">
         {dashboardCommandLinks.map((item) => (
           <Link