feat(streaming): add real-time streaming (MongoDB change streams & S3 bucket watchers) with WebSocket subscriptions and activity stream UI

ts_web/elements/tsview-mongo-documents.ts

@@ -259,6 +259,13 @@ export class TsviewMongoDocuments extends DeesElement {
     this.loading = false;
   }
 
+  /**
+   * Public method to refresh documents (called by parent on change events)
+   */
+  public async refresh() {
+    await this.loadDocuments();
+  }
+
   private handleFilterInput(e: Event) {
     this.filterText = (e.target as HTMLInputElement).value;
   }