update

src/NATSBridge.jl

@@ -759,8 +759,8 @@ function smartreceive(
             error("Unknown transport type for payload '$dataname': $(transport)")  # Throw error for unknown transport
         end
     end
-    
-    return payloads_list  # Return list of (dataname, data, data_type) tuples
+    json_data["payloads"] = payloads_list
+    return json_data  # Return envelope with list of (dataname, data, data_type) tuples in payloads field
 end
 
 

src/NATSBridge.js

@@ -603,7 +603,7 @@ async function smartreceive(msg, options = {}) {
      * @param {number} options.baseDelay - Initial delay for exponential backoff in ms (default: 100)
      * @param {number} options.maxDelay - Maximum delay for exponential backoff in ms (default: 5000)
      * 
-     * @returns {Promise<Array>} - List of {dataname, data, type} objects
+     * @returns {Promise<Object>} - Envelope dictionary with metadata and payloads field containing list of {dataname, data, type} objects
      */
     const {
         fileserverDownloadHandler = _fetch_with_backoff,
@@ -664,7 +664,10 @@ async function smartreceive(msg, options = {}) {
         }
     }
     
-    return payloads_list;
+    // Replace payloads array with the processed list of {dataname, data, type} tuples
+    json_data.payloads = payloads_list;
+    
+    return json_data;
 }
 
 // Export for Node.js

src/nats_bridge.py

@@ -559,7 +559,7 @@ def smartsend(subject, data, nats_url=DEFAULT_NATS_URL, fileserver_url=DEFAULT_F
 
 
 def smartreceive(msg, fileserver_download_handler=_fetch_with_backoff, max_retries=5,
-                 base_delay=100, max_delay=5000):
+                  base_delay=100, max_delay=5000):
     """Receive and process messages from NATS.
     
     This function processes incoming NATS messages, handling both direct transport
@@ -573,7 +573,7 @@ def smartreceive(msg, fileserver_download_handler=_fetch_with_backoff, max_retri
         max_delay: Maximum delay for exponential backoff in ms
     
     Returns:
-        list: List of (dataname, data, type) tuples
+        dict: Envelope dictionary with metadata and 'payloads' field containing list of (dataname, data, type) tuples
     """
     # Parse the JSON envelope
     json_data = msg if isinstance(msg, dict) else json.loads(msg)
@@ -611,7 +611,7 @@ def smartreceive(msg, fileserver_download_handler=_fetch_with_backoff, max_retri
             # Extract download URL from the payload
             url = payload.get("data", "")
             log_trace(json_data.get("correlationId", ""),
-                     "Link transport - fetching '{}' from URL: {}".format(dataname, url))
+                      "Link transport - fetching '{}' from URL: {}".format(dataname, url))
             
             # Fetch with exponential backoff
             downloaded_data = fileserver_download_handler(
@@ -627,7 +627,10 @@ def smartreceive(msg, fileserver_download_handler=_fetch_with_backoff, max_retri
         else:
             raise ValueError("Unknown transport type for payload '{}': {}".format(dataname, transport))
     
-    return payloads_list
+    # Replace payloads field with the processed list of (dataname, data, type) tuples
+    json_data["payloads"] = payloads_list
+    
+    return json_data
 
 
 # Utility functions