feat(frontend): surface scenario version across dropdowns and views

场景启动下拉、报告页运行下拉（A/B）、场景筛选（版本范围 v1/v2）、
仪表盘最近评测行、场景预览与编辑弹窗标题统一带上考纲版本标识。

frontend/web/src/pages/Home.tsx

@@ -216,6 +216,11 @@ function RecentRunRow({ run, onOpen }: { run: Run; onOpen: () => void }) {
         <span style={{ fontWeight: 500 }}>{run.scenario_name || run.scenario_id.slice(0, 8)}</span>
         <span style={{ color: colors.textMuted }}> · {run.target_name || run.target_id.slice(0, 8)}</span>
       </div>
+      {run.scenario_version != null && (
+        <Tag style={{ margin: 0, fontSize: 10, lineHeight: '16px', padding: '0 4px' }}>
+          v{run.scenario_version}
+        </Tag>
+      )}
       {trigger !== 'manual' && (
         <Tag color={triggerColors[trigger] ?? 'default'} style={{ margin: 0, fontSize: 10, lineHeight: '16px', padding: '0 4px' }}>
           {triggerLabels[trigger] ?? trigger}

frontend/web/src/pages/Reports.tsx

@@ -159,15 +159,26 @@ export default function ReportsPage() {
     clearSelection()
   }
 
-  // 场景筛选项：从 run 列表聚合（含各场景 run 数量）
+  // 场景筛选项：从 run 列表聚合（含各场景 run 数量与出现过的考纲版本）
   const scenarioOptions = useMemo(() => {
-    const map = new Map<string, { name: string; count: number }>()
+    const map = new Map<string, { name: string; count: number; versions: Set<number> }>()
     for (const r of runs) {
       const entry = map.get(r.scenario_id)
-      if (entry) entry.count += 1
-      else map.set(r.scenario_id, { name: r.scenario_name || r.scenario_id.slice(0, 8), count: 1 })
+      if (entry) {
+        entry.count += 1
+        entry.versions.add(r.scenario_version ?? 1)
+      } else {
+        map.set(r.scenario_id, {
+          name: r.scenario_name || r.scenario_id.slice(0, 8),
+          count: 1,
+          versions: new Set([r.scenario_version ?? 1]),
+        })
       }
-    return [...map.entries()].map(([id, s]) => ({ value: id, label: `${s.name}（${s.count}）` }))
+    }
+    return [...map.entries()].map(([id, s]) => {
+      const versions = [...s.versions].sort((a, b) => a - b).map((v) => `v${v}`).join('/')
+      return { value: id, label: `${s.name}（${s.count} · ${versions}）` }
+    })
   }, [runs])
 
   const filteredRuns = useMemo(
@@ -179,15 +190,17 @@ export default function ReportsPage() {
     const passRate = (r.summary as Record<string, unknown>)?.pass_rate as number | undefined
     const pct = passRate != null ? `${Math.round(passRate * 100)}%` : '-'
     const scenario = r.scenario_name || r.scenario_id.slice(0, 8)
+    const version = `v${r.scenario_version ?? 1}`
     const target = r.target_name || r.target_id.slice(0, 8)
     const time = r.started_at ? formatDateTime(r.started_at) : ''
     const trigger = r.triggered_by ?? 'manual'
     return {
       value: r.id,
-      searchText: `${scenario} ${target} ${time} ${r.id} ${triggerLabels[trigger] ?? trigger}`.toLowerCase(),
+      searchText: `${scenario} ${version} ${target} ${time} ${r.id} ${triggerLabels[trigger] ?? trigger}`.toLowerCase(),
       label: (
         <span style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
           <span style={{ fontWeight: 500, overflow: 'hidden', textOverflow: 'ellipsis' }}>{scenario}</span>
+          <Tag color="geekblue" style={{ marginRight: 0, fontSize: 10, lineHeight: '16px', padding: '0 4px' }}>{version}</Tag>
           <span style={{ color: colors.textMuted }}>· {target}</span>
           <span style={{ color: colors.textMuted, fontSize: 12 }}>{time}</span>
           <span style={{

frontend/web/src/pages/Runs.tsx

@@ -163,7 +163,7 @@ export default function RunsPage() {
                 filterOption={(input, opt) =>
                   (opt?.label as string ?? '').toLowerCase().includes(input.toLowerCase())}
                 placeholder="选择评测场景"
-                options={scenarios.map((s) => ({ label: s.name, value: s.id }))}
+                options={scenarios.map((s) => ({ label: `${s.name}（v${s.version ?? 1}）`, value: s.id }))}
                 style={{ flex: 1 }}
                 size="middle"
               />

frontend/web/src/pages/Scenarios.tsx

@@ -248,7 +248,7 @@ export default function ScenariosPage() {
       </div>
 
       <Drawer
-        title={editingScenario ? '编辑评测场景' : '新增评测场景'}
+        title={editingScenario ? `编辑评测场景（当前 v${editingScenario.version ?? 1}）` : '新增评测场景'}
         open={drawerOpen}
         onClose={() => setDrawerOpen(false)}
         width={720}
@@ -329,7 +329,7 @@ export default function ScenariosPage() {
       </Drawer>
 
       <Modal
-        title={`场景预览: ${previewData?.name || ''}`}
+        title={`场景预览: ${previewData?.name || ''}${previewData?.version != null ? `（v${previewData.version}）` : ''}`}
         open={previewOpen}
         onCancel={() => setPreviewOpen(false)}
         footer={null}