fix(api): 修复节点流量限额共享统计与父子显隐联动

统一节点流量统计与限额展示口径，节点详情新增昨日流量，
并让今日、昨日和本月使用清晰的半开时间窗口聚合

同 machine_id 或同 host 的节点现在共享当前账期已用流量，
管理端优先使用后端 traffic_limit_snapshot 展示月额度状态，
mi-node 下发的 current_used 也改为共享账期统计

新增 parent_auto_hidden 标记与父节点显隐联动服务，父节点
因自动上线或流量限额变为不可展示时会隐藏当前显示的子节点，
恢复时只恢复这批自动隐藏的子节点，避免覆盖手动操作

admin-frontend/src/types/api.d.ts

@@ -874,10 +874,26 @@ export interface AdminNodeMetrics {
 
 export interface AdminNodeTrafficStats {
   today: TrafficAmount
+  yesterday: TrafficAmount
   month: TrafficAmount
   total: TrafficAmount
 }
 
+export interface AdminNodeTrafficLimitSnapshot {
+  enabled: boolean
+  limit: number
+  used: number
+  percent: number
+  suspended: boolean
+  last_reset_at?: number
+  cycle_start_at?: number
+  next_reset_at?: number
+  suspended_at?: number
+  status?: string
+  scope_key?: string
+  scope_node_ids?: number[]
+}
+
 export interface AdminNodeRateTimeRange {
   start: string
   end: string
@@ -909,6 +925,7 @@ export interface AdminNodeItem {
   traffic_limit_next_reset_at?: number | null
   traffic_limit_suspended_at?: number | null
   enabled?: boolean
+  machine_id?: number | null
   parent_id?: number | null
   rate?: number | null
   transfer_enable?: number | null
@@ -926,6 +943,7 @@ export interface AdminNodeItem {
   last_push_at?: number | null
   metrics?: AdminNodeMetrics | null
   traffic_stats?: AdminNodeTrafficStats | null
+  traffic_limit_snapshot?: AdminNodeTrafficLimitSnapshot | null
   groups?: AdminServerGroupItem[]
   parent?: AdminNodeParentRef | null
   gfw_check?: AdminNodeGfwCheck | null

admin-frontend/src/utils/nodes.ts

@@ -22,7 +22,7 @@ export interface NodeGfwMeta {
 }
 
 export interface NodeTrafficDetail {
-  key: 'today' | 'month' | 'total'
+  key: 'today' | 'yesterday' | 'month' | 'total'
   label: string
   upload: string
   download: string
@@ -70,6 +70,15 @@ function normalizeTrafficValue(value: unknown): number {
   return Number.isFinite(normalized) && normalized > 0 ? normalized : 0
 }
 
+function normalizeOptionalTrafficValue(value: unknown): number | null {
+  if (value === null || value === undefined || value === '') {
+    return null
+  }
+
+  const normalized = Number(value)
+  return Number.isFinite(normalized) && normalized >= 0 ? normalized : null
+}
+
 function normalizeTrafficAmount(amount?: TrafficAmountLike | null): TrafficAmount {
   const upload = normalizeTrafficValue(amount?.upload)
   const download = normalizeTrafficValue(amount?.download)
@@ -255,6 +264,7 @@ export function getNodeTrafficDetails(node: AdminNodeItem): NodeTrafficDetail[]
 
   const rows: Array<{ key: NodeTrafficDetail['key']; label: string; source?: TrafficAmountLike | null }> = [
     { key: 'today', label: '今日', source: stats?.today },
+    { key: 'yesterday', label: '昨日', source: stats?.yesterday },
     { key: 'month', label: '本月', source: stats?.month },
     { key: 'total', label: '累计', source: stats?.total ?? totalFallback },
   ]
@@ -272,16 +282,25 @@ export function getNodeTrafficDetails(node: AdminNodeItem): NodeTrafficDetail[]
 }
 
 export function getNodeTrafficLimitDetail(node: AdminNodeItem): NodeTrafficLimitDetail {
-  const limit = normalizeTrafficValue(node.transfer_enable)
+  const snapshot = node.traffic_limit_snapshot
   const metrics = node.metrics?.traffic_limit
-  const used = normalizeTrafficValue(metrics?.used) || normalizeTrafficValue(node.u) + normalizeTrafficValue(node.d)
-  const suspended = Boolean(metrics?.suspended) || node.traffic_limit_status === 'suspended'
-  const nextResetAt = normalizeTrafficValue(metrics?.next_reset_at) || normalizeTrafficValue(node.traffic_limit_next_reset_at)
+  const limit = normalizeOptionalTrafficValue(snapshot?.limit)
+    ?? normalizeOptionalTrafficValue(metrics?.limit)
+    ?? normalizeTrafficValue(node.transfer_enable)
+  const used = normalizeOptionalTrafficValue(snapshot?.used)
+    ?? normalizeOptionalTrafficValue(metrics?.used)
+    ?? normalizeTrafficValue(node.u) + normalizeTrafficValue(node.d)
+  const status = normalizeText(snapshot?.status || metrics?.status || node.traffic_limit_status)
+  const suspended = Boolean(snapshot?.suspended) || Boolean(metrics?.suspended) || status === 'suspended'
+  const nextResetAt = normalizeOptionalTrafficValue(snapshot?.next_reset_at)
+    ?? normalizeOptionalTrafficValue(metrics?.next_reset_at)
+    ?? normalizeTrafficValue(node.traffic_limit_next_reset_at)
   const percent = limit > 0 ? Math.min(100, Math.round((used / limit) * 100)) : 0
+  const enabled = (snapshot ? Boolean(snapshot.enabled) : Boolean(node.traffic_limit_enabled)) && limit > 0
 
   let statusLabel = '未启用'
   let tagType: NodeTrafficLimitDetail['tagType'] = 'info'
-  if (Boolean(node.traffic_limit_enabled) && limit > 0) {
+  if (enabled) {
     if (suspended) {
       statusLabel = '已限额'
       tagType = 'danger'
@@ -295,7 +314,7 @@ export function getNodeTrafficLimitDetail(node: AdminNodeItem): NodeTrafficLimit
   }
 
   return {
-    enabled: Boolean(node.traffic_limit_enabled) && limit > 0,
+    enabled,
     used: formatTrafficBytes(used),
     limit: formatTrafficBytes(limit),
     percent,