fix(analysis): 去掉原始日志底栏与命名空间筛选

按产品/设计锁死：删底部 goQuery 虚线卡（表内「查看日志」保留）；筛选栏去掉命名空间下拉与 labelValues 加载，指标固定全命名空间聚合。

frontend/src/pages/analysis/index.tsx

@@ -5,7 +5,6 @@ import '@/i18n/domains'
 import { BarChart3, Boxes, FileWarning, Loader2, RefreshCw, ScrollText, TriangleAlert } from 'lucide-react'
 import { Button } from '@/components/ui/button'
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select'
-import { SearchableValueSelect } from '@/components/SearchableValueSelect'
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { PageContainer } from '@/components/PageContainer'
 import { EmptyState } from '@/components/EmptyState'
@@ -36,9 +35,6 @@ const AnalysisPage = memo(function AnalysisPage() {
 
   const [sources, setSources] = useState<LogSource[]>([])
   const [sourceId, setSourceId] = useState(0)
-  const [namespaces, setNamespaces] = useState<string[]>([])
-  const [namespacesLoading, setNamespacesLoading] = useState(false)
-  const [namespace, setNamespace] = useState('')
   const [start, setStart] = useState(() => toLocal(new Date(Date.now() - 3600000)))
   const [end, setEnd] = useState(() => toLocal(new Date()))
 
@@ -54,25 +50,10 @@ const AnalysisPage = memo(function AnalysisPage() {
       })
       .catch(() => setSources([]))
   }, [])
-  // 命名空间候选随数据源变化(切换数据源时在 onChange 里同步清掉已选命名空间)
-  useEffect(() => {
-    if (!sourceId) {
-      setNamespaces([])
-      setNamespacesLoading(false)
-      return
-    }
-    let active = true
-    setNamespacesLoading(true)
-    logsApi.labelValues(sourceId, 'namespace')
-      .then(list => { if (active) setNamespaces(Array.isArray(list) ? list : []) })
-      .catch(() => { if (active) setNamespaces([]) })
-      .finally(() => { if (active) setNamespacesLoading(false) })
-    return () => { active = false }
-  }, [sourceId])
 
-  const { data, loading, error, appLabel, refresh } = useAnalysisMetrics({ sourceId, start, end, namespace })
+  const { data, loading, error, appLabel, refresh } = useAnalysisMetrics({ sourceId, start, end, namespace: '' })
   // 每日统计固定近 7 天,不随上方时间范围变化;错误就地展示,不影响主区
-  const daily = useDailyVolume({ sourceId, namespace, appLabel })
+  const daily = useDailyVolume({ sourceId, namespace: '', appLabel })
 
   // 非 admin:菜单不可见,直访时给明确提示(后端 AdminAuth 403 兜底)
   if (!isAdmin) {
@@ -94,11 +75,11 @@ const AnalysisPage = memo(function AnalysisPage() {
         </Button>
       }
     >
-      {/* 筛选栏:数据源 / 命名空间 / 时间范围 */}
+      {/* 筛选栏:数据源 / 时间范围（全命名空间聚合） */}
       <div className="flex flex-wrap items-center gap-2">
         <Select
           value={sourceId ? String(sourceId) : undefined}
-          onValueChange={value => { setSourceId(Number(value)); setNamespace('') }}
+          onValueChange={value => setSourceId(Number(value))}
           disabled={sources.length === 0}
         >
           <SelectTrigger className="h-9 min-w-40" aria-label={t('filter.source')}>
@@ -110,18 +91,6 @@ const AnalysisPage = memo(function AnalysisPage() {
             ))}
           </SelectContent>
         </Select>
-        <SearchableValueSelect
-          hideLabel
-          ariaLabel={t('filter.namespace')}
-          values={namespaces}
-          value={namespace}
-          onChange={setNamespace}
-          allowEmpty
-          emptyLabel={t('filter.allNamespaces')}
-          loading={namespacesLoading}
-          disabled={!sourceId}
-          className="min-w-36"
-        />
         <TimeRangePicker start={start} end={end} onChange={(nextStart, nextEnd) => { setStart(nextStart); setEnd(nextEnd) }} />
       </div>
 
@@ -208,18 +177,6 @@ const AnalysisPage = memo(function AnalysisPage() {
             </CardContent>
           </Card>
 
-          <Card className="border-dashed">
-            <CardContent className="flex flex-wrap items-center justify-between gap-3 p-4">
-              <div>
-                <p className="text-sm font-medium">{t('goQuery.title')}</p>
-                <p className="text-xs text-muted-foreground">{t('goQuery.desc')}</p>
-              </div>
-              <Button variant="outline" onClick={() => navigate('/logs')}>
-                <ScrollText className="mr-1 size-4" />
-                {t('goQuery.action')}
-              </Button>
-            </CardContent>
-          </Card>
         </>
       )}
     </PageContainer>