Add Comfy-Usage-Source pass-through for API node requests (#14404)

comfy_api_nodes/nodes_sonilo.py

@@ -16,7 +16,7 @@ from comfy_api_nodes.util import (
 )
 from comfy_api_nodes.util._helpers import (
     default_base_url,
-    get_auth_header,
+    get_comfy_api_headers,
     get_node_id,
     is_processing_interrupted,
 )
@@ -174,8 +174,7 @@ async def _stream_sonilo_music(
     """POST ``form`` to Sonilo, read the NDJSON stream, and return the first stream's audio bytes."""
     url = urljoin(default_base_url().rstrip("/") + "/", endpoint.path.lstrip("/"))
 
-    headers: dict[str, str] = {}
-    headers.update(get_auth_header(cls))
+    headers = get_comfy_api_headers(cls)
     headers.update(endpoint.headers)
 
     node_id = get_node_id(cls)