Align controller backend and data with new presets

Update palettes, profiles, tabs, preset sending, and ESPNow message format to match the new preset defaults and driver short-field schema.

src/controllers/preset.py

@@ -75,14 +75,14 @@ async def send_presets(request):
     if not isinstance(preset_ids, list) or not preset_ids:
         return json.dumps({"error": "preset_ids must be a non-empty list"}), 400, {'Content-Type': 'application/json'}
 
-    # Build API-compliant preset map keyed by preset name
+    # Build API-compliant preset map keyed by preset ID (not name)
     presets_by_name = {}
     for pid in preset_ids:
         preset_data = presets.read(str(pid))
         if not preset_data:
             continue
-        name_key = preset_data.get('name') or str(pid)
-        presets_by_name[name_key] = build_preset_dict(preset_data)
+        preset_id_key = str(pid)
+        presets_by_name[preset_id_key] = build_preset_dict(preset_data)
 
     if not presets_by_name:
         return json.dumps({"error": "No matching presets found"}), 404, {'Content-Type': 'application/json'}