fix(frontend): 补齐 analysis 构建依赖与共享组件搬迁

补 commit hooks/图表组件、路由与 i18n domains、logs metrics API；
StatCard/TimeRangePicker/ingress-access-log 抽到共享路径，干净 checkout 可编过。

frontend/src/pages/analysis/hooks/useDailyVolume.ts

@@ -0,0 +1,117 @@
+import { useCallback, useEffect, useRef, useState } from 'react'
+import { logsApi } from '@/api/logs'
+
+export interface DailyAppRow {
+  app: string
+  namespace: string
+  /** 每个自然日(本地时区)的日志总量,与 days 一一对应 */
+  totals: number[]
+  total: number
+}
+
+export interface DailyVolumeData {
+  days: string[]
+  apps: DailyAppRow[]
+}
+
+const DAY_MS = 86400000
+const RANGE_DAYS = 7
+const ns = (ms: number) => Math.round(ms).toString() + '000000'
+const dayLabel = (ts: number) => new Date(ts).toLocaleDateString([], { month: '2-digit', day: '2-digit' })
+
+/**
+ * 应用每日日志量(近 7 天,Top 10)— 独立于页面时间范围筛选:
+ * 一条 `sum by (app, namespace)(count_over_time(sel[$step]))` 查询(7 天跨度后端自动选 1h 步长),
+ * 客户端把小时桶按本地日历日聚合,避免为每天单独发查询。
+ */
+export function useDailyVolume({ sourceId, namespace, appLabel }: {
+  sourceId: number
+  namespace: string
+  appLabel: string
+}) {
+  const [data, setData] = useState<DailyVolumeData | null>(null)
+  const [loading, setLoading] = useState(false)
+  const [error, setError] = useState('')
+  const [refreshTick, setRefreshTick] = useState(0)
+  const abortRef = useRef<AbortController | null>(null)
+  const versionRef = useRef(0)
+
+  const refresh = useCallback(() => setRefreshTick(tick => tick + 1), [])
+
+  useEffect(() => {
+    if (!sourceId) return
+    const end = Date.now()
+    // 从今天往前取整 7 个自然日(首尾两天可能是不完整天)
+    const today = Math.floor(end / DAY_MS) * DAY_MS
+    const days = Array.from({ length: RANGE_DAYS }, (_, index) => today - (RANGE_DAYS - 1 - index) * DAY_MS)
+    const start = days[0]
+
+    abortRef.current?.abort()
+    const controller = new AbortController()
+    abortRef.current = controller
+    const version = ++versionRef.current
+
+    const selector = namespace ? `{namespace="${namespace}"}` : '{namespace=~".+"}'
+    void (async () => {
+      setLoading(true)
+      setError('')
+      try {
+        const series = await logsApi.metrics(
+          { sourceId, start: Number(ns(start)), end: Number(ns(end)), query: `sum by (${appLabel}, namespace) (count_over_time(${selector}[$step]))` },
+          { signal: controller.signal },
+        )
+        if (version !== versionRef.current) return
+        // 小时桶 → 本地日历日分桶(app × 天 累加,并记录各 app 落在哪个命名空间)
+        const perDay = days.map(() => new Map<string, { total: number; perNs: Map<string, number> }>())
+        const dayIndexOf = (timestamp: string) => {
+          const day = Math.floor(new Date(timestamp).getTime() / DAY_MS) * DAY_MS
+          return days.indexOf(day)
+        }
+        for (const item of series) {
+          const app = item.labels[appLabel] ?? ''
+          const nsLabel = item.labels.namespace ?? ''
+          for (const point of item.points) {
+            const index = dayIndexOf(point.timestamp)
+            if (index < 0) continue
+            const bucket = perDay[index]
+            const entry = bucket.get(app) ?? { total: 0, perNs: new Map<string, number>() }
+            entry.total += point.value
+            entry.perNs.set(nsLabel, (entry.perNs.get(nsLabel) ?? 0) + point.value)
+            bucket.set(app, entry)
+          }
+        }
+        const merged = new Map<string, { totals: number[]; total: number; perNs: Map<string, number> }>()
+        perDay.forEach((bucket, index) => {
+          for (const [app, entry] of bucket) {
+            const row = merged.get(app) ?? { totals: days.map(() => 0), total: 0, perNs: new Map<string, number>() }
+            row.totals[index] += entry.total
+            row.total += entry.total
+            for (const [nsName, count] of entry.perNs) row.perNs.set(nsName, (row.perNs.get(nsName) ?? 0) + count)
+            merged.set(app, row)
+          }
+        })
+        const apps: DailyAppRow[] = [...merged.entries()]
+          .map(([app, row]) => ({
+            app,
+            namespace: [...row.perNs.entries()].sort((a, b) => b[1] - a[1])[0]?.[0] ?? '',
+            totals: row.totals,
+            total: row.total,
+          }))
+          .filter(row => row.total > 0)
+          .sort((a, b) => b.total - a.total)
+          .slice(0, 10)
+        setData({ days: days.map(dayLabel), apps })
+      } catch (err) {
+        if (version !== versionRef.current) return
+        if ((err as Error).name === 'AbortError') return
+        setError(err instanceof Error ? err.message : 'metrics failed')
+      } finally {
+        if (version === versionRef.current) setLoading(false)
+      }
+    })()
+
+    return () => { controller.abort() }
+  }, [sourceId, namespace, appLabel, refreshTick])
+
+  return { data, loading, error, refresh }
+}