data timeout fixes; research agent improvements

gateway/src/clients/zmq-relay-client.ts

@@ -37,7 +37,7 @@ export interface ZMQRelayConfig {
   relayRequestEndpoint: string;       // e.g., "tcp://relay:5559"
   relayNotificationEndpoint: string;  // e.g., "tcp://relay:5558"
   clientId?: string;                  // Optional client ID, will generate if not provided
-  requestTimeout?: number;            // Request timeout in ms (default: 60000)
+  requestTimeout?: number;            // Request timeout in ms (default: 120000)
   onMetadataUpdate?: () => Promise<void>; // Callback when symbol metadata updates
 }
 
@@ -77,7 +77,7 @@ export class ZMQRelayClient {
       relayRequestEndpoint: config.relayRequestEndpoint,
       relayNotificationEndpoint: config.relayNotificationEndpoint,
       clientId: config.clientId || `gateway-${randomUUID().slice(0, 8)}`,
-      requestTimeout: config.requestTimeout || 60000,
+      requestTimeout: config.requestTimeout || 120000,
       onMetadataUpdate: config.onMetadataUpdate || (async () => {}),
     };
     this.logger = logger;