Send tab defaults with presets.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/util/espnow_message.py

@@ -7,7 +7,7 @@ This module provides utilities to build ESPNow messages according to the API spe
 import json
 
 
-def build_message(presets=None, select=None, save=False):
+def build_message(presets=None, select=None, save=False, default=None):
     """
     Build an ESPNow message according to the API specification.
     
@@ -47,6 +47,9 @@ def build_message(presets=None, select=None, save=False):
     
     if select:
         message["select"] = select
+
+    if default is not None:
+        message["default"] = default
     
     return json.dumps(message)