Review components files

components/nspanel_ha_blueprint/ha_components.cpp

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+// ha_components.cpp
+
+#include "ha_components.h"
+
+namespace nspanel_ha_blueprint {
+
+    // Function Definition
+    HomeAssistantEntity extractHomeAssistantEntity(const std::string& entity_id) {
+        size_t dotPos = entity_id.find(".");
+        HomeAssistantEntity result;
+        
+        if (dotPos != std::string::npos) {
+            // Extract domain and id from the entity_id string
+            result.domain = entity_id.substr(0, dotPos);
+            result.id = entity_id.substr(dotPos + 1);
+        } else {
+            // No dot found, the entire entity_id is considered as id.
+            result.domain = "invalid";
+            result.id = entity_id;
+        }
+        return result;
+    }
+
+}  // namespace nspanel_ha_blueprint