Feat pool activity feed

frontend/src/@types/activity.entity.ts

@@ -0,0 +1,79 @@
+export enum ActivityType {
+  SUPPLY = 'supply',
+  BORROW = 'borrow',
+  REPAY = 'repay',
+  LIQUIDATION = 'liquidation',
+  WITHDRAWAL = 'withdrawal'
+}
+
+export interface PoolActivity {
+  id: string;
+  type: ActivityType;
+  user: string;
+  asset: string;
+  amount: string;
+  timestamp: Date;
+  transactionHash: string;
+  blockNumber?: number;
+  explorerUrl?: string;
+  usdValue?: number;
+  healthFactor?: number;
+}
+
+export interface ActivityFilters {
+  type?: ActivityType;
+  asset?: string;
+  user?: string;
+  dateFrom?: Date;
+  dateTo?: Date;
+  search?: string;
+}
+
+export interface ActivityPagination {
+  page: number;
+  limit: number;
+  total: number;
+  hasMore: boolean;
+}
+
+export interface ActivityFeedState {
+  activities: PoolActivity[];
+  loading: boolean;
+  error: string | null;
+  filters: ActivityFilters;
+  pagination: ActivityPagination;
+  realTimeEnabled: boolean;
+}
+
+export interface TransactionDetails {
+  hash: string;
+  blockNumber: number;
+  gasUsed: string;
+  gasPrice: string;
+  from: string;
+  to: string;
+  value: string;
+  status: 'pending' | 'confirmed' | 'failed';
+  confirmations: number;
+}
+
+export interface ActivityIconProps {
+  type: ActivityType;
+  size?: 'sm' | 'md' | 'lg';
+  className?: string;
+}
+
+export interface ActivityItemProps {
+  activity: PoolActivity;
+  showDetails?: boolean;
+  onExpand?: (activity: PoolActivity) => void;
+  onViewExplorer?: (hash: string) => void;
+}
+
+export interface ActivityFeedProps {
+  poolId?: string;
+  filters?: ActivityFilters;
+  autoRefresh?: boolean;
+  refreshInterval?: number;
+  onActivityClick?: (activity: PoolActivity) => void;
+}