20260726 修复rpki-explorer体验问题32项(#130)：RocksDB max_open_files+compose ulimits、objects列表流式早停+scope前置(每页2.85s->10ms级)、未知/过期run统一404、runs倒序、导出文件名Content-Disposition、路径段percent_decode、nginx /api/v1代理与400回SPA；前端serialNumber schema、30s请求超时、reason筛选、组合VRP查询、导出反馈与repo/PP入口、键盘可达、cursor进URL、分页/对比度/skip-link等体验项

ui/rpki-explorer/src/pages/OverviewPage.tsx

@@ -36,7 +36,7 @@ import {
   truncateMiddle,
 } from "../lib/format";
 import { withRunParam } from "../lib/run";
-import { useRun } from "../lib/useRun";
+import { useRun, runErrorTitle } from "../lib/useRun";
 
 /** Semantic colors keyed by validation result — never assigned by index. */
 const RESULT_COLORS: Record<string, string> = {
@@ -126,7 +126,7 @@ export default function OverviewPage() {
         <ErrorBlock
           error={runQuery.error}
           onRetry={() => runQuery.refetch()}
-          title="Failed to load the latest run"
+          title={runErrorTitle(runId, runQuery.error)}
         />
       </div>
     );
@@ -170,6 +170,17 @@ export default function OverviewPage() {
       numeric: true,
       render: (repo) => formatDurationMs(repo.syncDurationMsTotal),
     },
+    {
+      key: "terminal",
+      header: "Terminal states",
+      render: (repo) => (
+        <span className="chip-list">
+          {Object.entries(repo.terminalStates ?? {}).map(([state, count]) => (
+            <StatusPill key={state} status={state} label={`${state} ${formatInt(count)}`} />
+          ))}
+        </span>
+      ),
+    },
   ];
 
   return (
@@ -224,6 +235,7 @@ export default function OverviewPage() {
               value={formatInt(counts?.warnings)}
               tone="amber"
               sub="objects with warnings"
+              to={withRunParam("/validation", runId)}
             />
           </div>
 
@@ -238,7 +250,7 @@ export default function OverviewPage() {
               ) : (
                 <>
                   <div className="chart-box">
-                    <ResponsiveContainer>
+                    <ResponsiveContainer initialDimension={{ width: 400, height: 240 }}>
                       <PieChart>
                         <Pie
                           data={validationData}
@@ -286,7 +298,7 @@ export default function OverviewPage() {
                 <p className="text-muted">No object type stats recorded.</p>
               ) : (
                 <div className="chart-box">
-                  <ResponsiveContainer>
+                  <ResponsiveContainer initialDimension={{ width: 400, height: 240 }}>
                     <BarChart data={typeData} layout="vertical" margin={{ left: 12, right: 24 }}>
                       <XAxis type="number" hide />
                       <YAxis