Prepare for service utilities_group_refresh

components/nspanel_ha_blueprint/utilities.h

@@ -0,0 +1,19 @@
+// utilities.h
+#pragma once
+
+#include <cstdint>
+
+namespace nspanel_ha_blueprint {
+
+    struct UtilitiesGroupValues {
+        char group_id[8];  // 7 characters + null terminator
+        char value1[11];  // 10 characters + null terminator
+        char value2[11];  // 11 characters + null terminator
+        int8_t direction;
+    };
+
+    extern UtilitiesGroupValues UtilitiesGroups[8];
+
+    uint8_t findUtilitiesGroupIndex(const char* group_id);
+
+}  // namespace nspanel_ha_blueprint