feat(stocks): Add provider fetch limits, intraday incremental fetch, cache deduplication, and provider safety/warning improvements

ts/stocks/interfaces/provider.ts

@@ -24,6 +24,8 @@ export interface IProviderConfig {
   timeout?: number;
   retryAttempts?: number;
   retryDelay?: number;
+  maxRecords?: number; // Maximum records to fetch per request (default: 10000)
+  defaultIntradayLimit?: number; // Default limit for intraday requests without explicit limit (default: 1000)
 }
 
 export interface IProviderRegistry {