Scope presets to active profiles and support cloning.

This keeps data isolated per profile while letting users duplicate setups quickly.

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):
+def build_message(presets=None, select=None, save=False):
     """
     Build an ESPNow message according to the API specification.
     
@@ -40,6 +40,10 @@ def build_message(presets=None, select=None):
     
     if presets:
         message["presets"] = presets
+        # When sending presets, optionally include a save flag so the
+        # led-driver can persist them.
+        if save:
+            message["save"] = True
     
     if select:
         message["select"] = select