feat(admin): 优化后台运维与任务管理

完善平台、基准模型、定价规则和实时负载的紧凑查询与滚动展示，并固定关键操作列。

新增管理员任务记录、批量计费结算和用户组限流、额度及模型权限维护能力，同时补充任务脱敏、查询索引与 OpenAPI 契约。

验证：pnpm openapi、Go 全量测试、pnpm lint、pnpm test、pnpm build、gofmt 与差异格式检查均通过。

apps/web/src/routing.ts

@@ -1,8 +1,9 @@
-import type { AdminSection, ApiDocSection, PageKey, PlaygroundMode, WorkspaceSection, WorkspaceTaskQuery } from './types';
+import type { AdminSection, AdminTaskQuery, ApiDocSection, PageKey, PlaygroundMode, WorkspaceSection, WorkspaceTaskQuery } from './types';
 
 export interface AppRouteState {
   activePage: PageKey;
   adminSection: AdminSection;
+  adminTaskQuery: AdminTaskQuery;
   apiDocSection: ApiDocSection;
   playgroundMode: PlaygroundMode;
   workspaceSection: WorkspaceSection;
@@ -12,6 +13,7 @@ export interface AppRouteState {
 export const defaultRouteState: AppRouteState = {
   activePage: 'home',
   adminSection: 'overview',
+  adminTaskQuery: defaultAdminTaskQuery(),
   apiDocSection: 'openApiOverview',
   playgroundMode: 'chat',
   workspaceSection: 'overview',
@@ -31,14 +33,15 @@ const adminPaths: Record<AdminSection, string> = {
   globalModels: '/admin/providers',
   baseModels: '/admin/base-models',
   pricing: '/admin/pricing',
+  billingSettlements: '/admin/billing-settlements',
   platforms: '/admin/platforms',
   realtimeLoad: '/admin/realtime-load',
+  tasks: '/admin/tasks',
   tenants: '/admin/tenants',
   users: '/admin/users',
   userGroups: '/admin/user-groups',
   auditLogs: '/admin/audit-logs',
   runtime: '/admin/runtime',
-  accessRules: '/admin/access-rules',
   systemSettings: '/admin/system-settings',
 };
 
@@ -82,19 +85,20 @@ export function parseAppRoute(input = currentLocationPath()): AppRouteState {
   const url = new URL(input, origin);
   const path = normalizePath(url.pathname);
   const workspaceTaskQuery = parseWorkspaceTaskQuery(url.searchParams);
+  const adminTaskQuery = parseAdminTaskQuery(url.searchParams);
   if (path === '/') return { ...defaultRouteState };
   if (path.startsWith('/playground')) {
-    return { ...defaultRouteState, activePage: 'playground', playgroundMode: parsePlaygroundMode(path), workspaceTaskQuery };
+    return { ...defaultRouteState, activePage: 'playground', playgroundMode: parsePlaygroundMode(path), workspaceTaskQuery, adminTaskQuery };
   }
-  if (path === '/models') return { ...defaultRouteState, activePage: 'models', workspaceTaskQuery };
+  if (path === '/models') return { ...defaultRouteState, activePage: 'models', workspaceTaskQuery, adminTaskQuery };
   if (path.startsWith('/workspace')) {
-    return { ...defaultRouteState, activePage: 'workspace', workspaceSection: parseWorkspaceSection(path), workspaceTaskQuery };
+    return { ...defaultRouteState, activePage: 'workspace', workspaceSection: parseWorkspaceSection(path), workspaceTaskQuery, adminTaskQuery };
   }
   if (path.startsWith('/admin')) {
-    return { ...defaultRouteState, activePage: 'admin', adminSection: parseAdminSection(path), workspaceTaskQuery };
+    return { ...defaultRouteState, activePage: 'admin', adminSection: parseAdminSection(path), workspaceTaskQuery, adminTaskQuery };
   }
   if (path.startsWith('/docs')) {
-    return { ...defaultRouteState, activePage: 'docs', apiDocSection: parseDocSection(path), workspaceTaskQuery };
+    return { ...defaultRouteState, activePage: 'docs', apiDocSection: parseDocSection(path), workspaceTaskQuery, adminTaskQuery };
   }
   return { ...defaultRouteState };
 }
@@ -130,6 +134,28 @@ export function pathForWorkspaceTaskQuery(query: WorkspaceTaskQuery) {
   return `${workspacePaths.tasks}${suffix ? `?${suffix}` : ''}`;
 }
 
+export function pathForAdminTaskQuery(query: AdminTaskQuery) {
+  const normalized = normalizeAdminTaskQuery(query);
+  const search = new URLSearchParams();
+  if (normalized.query) search.set('q', normalized.query);
+  if (normalized.tenantId) search.set('tenantId', normalized.tenantId);
+  if (normalized.userId) search.set('userId', normalized.userId);
+  if (normalized.userGroupId) search.set('userGroupId', normalized.userGroupId);
+  if (normalized.status) search.set('status', normalized.status);
+  if (normalized.platformId) search.set('platformId', normalized.platformId);
+  if (normalized.model) search.set('model', normalized.model);
+  if (normalized.modelType) search.set('modelType', normalized.modelType);
+  if (normalized.runMode) search.set('runMode', normalized.runMode);
+  if (normalized.billingStatus) search.set('billingStatus', normalized.billingStatus);
+  if (normalized.apiKey) search.set('apiKey', normalized.apiKey);
+  if (normalized.createdFrom) search.set('createdFrom', normalized.createdFrom);
+  if (normalized.createdTo) search.set('createdTo', normalized.createdTo);
+  if (normalized.page !== 1) search.set('page', String(normalized.page));
+  if (normalized.pageSize !== 20) search.set('pageSize', String(normalized.pageSize));
+  const suffix = search.toString();
+  return `${adminPaths.tasks}${suffix ? `?${suffix}` : ''}`;
+}
+
 export function pathForAdminSection(section: AdminSection) {
   return adminPaths[section] ?? adminPaths.overview;
 }
@@ -150,6 +176,7 @@ function parseAdminSection(path: string): AdminSection {
   if (path === '/admin') return 'overview';
   if (path === '/admin/models/global') return 'baseModels';
   if (path === '/admin/usergroups') return 'userGroups';
+  if (path === '/admin/access-rules') return 'userGroups';
   return adminSections[path] ?? 'overview';
 }
 
@@ -207,6 +234,70 @@ export function workspaceTaskQueryKey(query: WorkspaceTaskQuery) {
   return JSON.stringify(normalized);
 }
 
+export function defaultAdminTaskQuery(): AdminTaskQuery {
+  return {
+    query: '',
+    tenantId: '',
+    userId: '',
+    userGroupId: '',
+    status: '',
+    platformId: '',
+    model: '',
+    modelType: '',
+    runMode: '',
+    billingStatus: '',
+    apiKey: '',
+    createdFrom: '',
+    createdTo: '',
+    page: 1,
+    pageSize: 20,
+  };
+}
+
+export function normalizeAdminTaskQuery(query: AdminTaskQuery): AdminTaskQuery {
+  return {
+    query: query.query.trim(),
+    tenantId: query.tenantId.trim(),
+    userId: query.userId.trim(),
+    userGroupId: query.userGroupId.trim(),
+    status: query.status.trim(),
+    platformId: query.platformId.trim(),
+    model: query.model.trim(),
+    modelType: query.modelType.trim(),
+    runMode: query.runMode.trim(),
+    billingStatus: query.billingStatus.trim(),
+    apiKey: query.apiKey.trim(),
+    createdFrom: query.createdFrom.trim(),
+    createdTo: query.createdTo.trim(),
+    page: positiveInt(query.page, 1),
+    pageSize: Math.min(100, Math.max(1, positiveInt(query.pageSize, 20))),
+  };
+}
+
+export function adminTaskQueryKey(query: AdminTaskQuery) {
+  return JSON.stringify(normalizeAdminTaskQuery(query));
+}
+
+function parseAdminTaskQuery(search: URLSearchParams): AdminTaskQuery {
+  return normalizeAdminTaskQuery({
+    query: search.get('q') ?? search.get('query') ?? '',
+    tenantId: search.get('tenantId') ?? '',
+    userId: search.get('userId') ?? '',
+    userGroupId: search.get('userGroupId') ?? '',
+    status: search.get('status') ?? '',
+    platformId: search.get('platformId') ?? '',
+    model: search.get('model') ?? '',
+    modelType: search.get('modelType') ?? '',
+    runMode: search.get('runMode') ?? '',
+    billingStatus: search.get('billingStatus') ?? '',
+    apiKey: search.get('apiKey') ?? '',
+    createdFrom: search.get('createdFrom') ?? search.get('from') ?? '',
+    createdTo: search.get('createdTo') ?? search.get('to') ?? '',
+    page: Number(search.get('page') ?? 1),
+    pageSize: Number(search.get('pageSize') ?? 20),
+  });
+}
+
 function parseWorkspaceTaskQuery(search: URLSearchParams): WorkspaceTaskQuery {
   return normalizeWorkspaceTaskQuery({
     query: search.get('q') ?? search.get('query') ?? '',