update

docs/architecture.md

@@ -493,8 +493,8 @@ async function smartsend(
 
 **Return Value:**
 - Returns a Promise that resolves to an object containing:
-  - `envelope` - The envelope object containing all metadata and payloads
-  - `envelope_json` - JSON string representation of the envelope for publishing
+  - `env` - The envelope object containing all metadata and payloads
+  - `env_json_str` - JSON string representation of the envelope for publishing
   - `published` - Boolean indicating whether the message was automatically published to NATS
 
 **Input Format:**
@@ -539,7 +539,7 @@ async function smartreceive(msg, options = {})
 3. For each payload:
    - Determine transport type (`direct` or `link`)
    - If `direct`: Base64 decode the data from the message
-   - If `link`: Fetch data from URL using exponential backoff (via `fileserverDownloadHandler`)
+   - If `link`: Fetch data from URL using exponential backoff (via `fileserver_download_handler`)
    - Deserialize based on payload type (`dictionary`, `table`, `binary`, etc.)
 4. Return envelope object with `payloads` field containing list of `(dataname, data, type)` tuples
 
@@ -578,9 +578,9 @@ async def smartsend(
 - `fileserver_upload_handler` (Callable) - Custom upload handler function
 
 **Return Value:**
-- Returns a tuple `(envelope, envelope_json)` where:
-  - `envelope` - The envelope dictionary containing all metadata and payloads
-  - `envelope_json` - JSON string representation of the envelope for publishing
+- Returns a tuple `(env, env_json_str)` where:
+  - `env` - The envelope dictionary containing all metadata and payloads
+  - `env_json_str` - JSON string representation of the envelope for publishing
 
 **Input Format:**
 - `data` - **Must be a list of (dataname, data, type) tuples**: `[(dataname1, data1, "type1"), (dataname2, data2, "type2"), ...]`