update

ts/stocks/interfaces/provider.ts

@@ -0,0 +1,36 @@
+import type { IStockPrice, IStockQuoteRequest, IStockBatchQuoteRequest } from './stockprice.js';
+
+export interface IStockProvider {
+  name: string;
+  priority: number;
+  
+  fetchPrice(request: IStockQuoteRequest): Promise<IStockPrice>;
+  fetchPrices(request: IStockBatchQuoteRequest): Promise<IStockPrice[]>;
+  isAvailable(): Promise<boolean>;
+  
+  supportsMarket?(market: string): boolean;
+  supportsTicker?(ticker: string): boolean;
+  
+  readonly requiresAuth: boolean;
+  readonly rateLimit?: {
+    requestsPerMinute: number;
+    requestsPerDay?: number;
+  };
+}
+
+export interface IProviderConfig {
+  enabled: boolean;
+  priority?: number;
+  apiKey?: string;
+  timeout?: number;
+  retryAttempts?: number;
+  retryDelay?: number;
+}
+
+export interface IProviderRegistry {
+  register(provider: IStockProvider, config?: IProviderConfig): void;
+  unregister(providerName: string): void;
+  getProvider(name: string): IStockProvider | undefined;
+  getAllProviders(): IStockProvider[];
+  getEnabledProviders(): IStockProvider[];
+}

ts/stocks/interfaces/stockprice.ts

@@ -0,0 +1,30 @@
+export interface IStockPrice {
+  ticker: string;
+  price: number;
+  currency: string;
+  change: number;
+  changePercent: number;
+  previousClose: number;
+  timestamp: Date;
+  provider: string;
+  marketState: 'PRE' | 'REGULAR' | 'POST' | 'CLOSED';
+  exchange?: string;
+  exchangeName?: string;
+}
+
+export interface IStockPriceError {
+  ticker: string;
+  error: string;
+  provider: string;
+  timestamp: Date;
+}
+
+export interface IStockQuoteRequest {
+  ticker: string;
+  includeExtendedHours?: boolean;
+}
+
+export interface IStockBatchQuoteRequest {
+  tickers: string[];
+  includeExtendedHours?: boolean;
+}