seems to work

apps/homekit/accessories/sensor.py

@@ -0,0 +1,46 @@
+"""
+Temperature & Humidity Sensor Accessory Implementation for HomeKit
+
+Implements combined temperature and humidity sensor:
+- CurrentTemperature (read-only)
+- CurrentRelativeHumidity (read-only)
+"""
+
+from pyhap.accessory import Accessory
+from pyhap.const import CATEGORY_SENSOR
+
+
+class TempHumidityAccessory(Accessory):
+    """Combined temperature and humidity sensor."""
+    
+    category = CATEGORY_SENSOR
+    
+    def __init__(self, driver, device, api_client, display_name=None, *args, **kwargs):
+        """
+        Initialize the temp/humidity sensor accessory.
+        
+        Args:
+            driver: HAP driver instance
+            device: Device object from DeviceRegistry
+            api_client: ApiClient for sending commands
+            display_name: Optional display name (defaults to device.friendly_name)
+        """
+        name = display_name or device.friendly_name or device.name
+        super().__init__(driver, name, *args, **kwargs)
+        self.device = device
+        self.api_client = api_client
+        
+        # Add TemperatureSensor service
+        self.temp_service = self.add_preload_service('TemperatureSensor')
+        self.current_temp_char = self.temp_service.get_characteristic('CurrentTemperature')
+        
+        # Add HumiditySensor service
+        self.humidity_service = self.add_preload_service('HumiditySensor')
+        self.current_humidity_char = self.humidity_service.get_characteristic('CurrentRelativeHumidity')
+    
+    def update_state(self, state_payload):
+        """Update state from API event."""
+        if "temperature" in state_payload:
+            self.current_temp_char.set_value(float(state_payload["temperature"]))
+        if "humidity" in state_payload:
+            self.current_humidity_char.set_value(float(state_payload["humidity"]))