added initial integration tests with bun

libs/mongodb-client/src/index.ts

@@ -0,0 +1,40 @@
+/**
+ * MongoDB Client Library for Stock Bot
+ * 
+ * Provides type-safe MongoDB access for document storage, sentiment data,
+ * and raw content processing.
+ */
+
+export { MongoDBClient } from './client';
+export { MongoDBHealthMonitor } from './health';
+export { MongoDBTransactionManager } from './transactions';
+export { MongoDBAggregationBuilder } from './aggregation';
+
+// Types
+export type {
+  MongoDBClientConfig,
+  MongoDBConnectionOptions,
+  MongoDBHealthStatus,
+  MongoDBMetrics,
+  CollectionNames,
+  DocumentBase,
+  SentimentData,
+  RawDocument,
+  NewsArticle,
+  SecFiling,
+  EarningsTranscript,
+  AnalystReport
+} from './types';
+
+// Schemas
+export {
+  sentimentDataSchema,
+  rawDocumentSchema,
+  newsArticleSchema,
+  secFilingSchema,
+  earningsTranscriptSchema,
+  analystReportSchema
+} from './schemas';
+
+// Utils
+export { createMongoDBClient } from './factory';