Group optimizer sensors under site device

custom_components/solaredge_optimizers/sensor.py

@@ -102,6 +102,10 @@ class SolarEdgeOptimizerSensor(
         self.entity_description = description
         self._serial = serial
         self._attr_unique_id = f"{coordinator.data.site_id}_{serial}_{description.key}"
+        optimizer = coordinator.data.optimizers_by_serial[serial]
+        self._attr_translation_placeholders = {
+            "optimizer_id": optimizer.optimizer_id or serial
+        }
 
     @property
     def _optimizer(self) -> OptimizerData | None:
@@ -121,15 +125,13 @@ class SolarEdgeOptimizerSensor(
 
     @property
     def device_info(self) -> DeviceInfo:
-        """Return optimizer device information."""
-        optimizer = self._optimizer
-        optimizer_id = optimizer.optimizer_id if optimizer else None
+        """Return the shared SolarEdge site device information."""
+        site_id = self.coordinator.data.site_id
         return DeviceInfo(
-            identifiers={(DOMAIN, f"{self.coordinator.data.site_id}_{self._serial}")},
+            identifiers={(DOMAIN, site_id)},
             manufacturer="SolarEdge",
-            model="Power Optimizer",
-            name=f"Optimizer {optimizer_id or self._serial}",
-            serial_number=self._serial,
+            model="Optimizer Monitoring Site",
+            name=f"SolarEdge Site {site_id}",
         )
 
     @property