feat: Updated saving session sensor to include account id. This is to…

… support future functionality

BREAKING CHANGE:
Any references to saving session entities will need to be updated based on name change

custom_components/octopus_energy/binary_sensor.py

@@ -72,12 +72,13 @@ async def async_setup_main_sensors(hass, entry, async_add_entities):
   await saving_session_coordinator.async_config_entry_first_refresh()
 
   account_info = hass.data[DOMAIN][DATA_ACCOUNT]
+  account_id = hass.data[DOMAIN][DATA_ACCOUNT_ID]
 
   now = utcnow()
   has_intelligent_tariff = False
   intelligent_mpan = None
   intelligent_serial_number = None
-  entities = [OctopusEnergySavingSessions(hass, saving_session_coordinator)]
+  entities = [OctopusEnergySavingSessions(hass, saving_session_coordinator, account_id)]
   if len(account_info["electricity_meter_points"]) > 0:
 
     for point in account_info["electricity_meter_points"]:

custom_components/octopus_energy/saving_sessions/saving_sessions.py

@@ -16,17 +16,19 @@
   current_saving_sessions_event,
   get_next_saving_sessions_event
 )
+from ..utils import account_id_to_unique_key
 
 _LOGGER = logging.getLogger(__name__)
 
 class OctopusEnergySavingSessions(CoordinatorEntity, BinarySensorEntity, RestoreEntity):
   """Sensor for determining if a saving session is active."""
 
-  def __init__(self, hass: HomeAssistant, coordinator):
+  def __init__(self, hass: HomeAssistant, coordinator, account_id: str):
     """Init sensor."""
 
     CoordinatorEntity.__init__(self, coordinator)
 
+    self._account_id = account_id
     self._state = None
     self._events = []
     self._attributes = {
@@ -39,12 +41,12 @@ def __init__(self, hass: HomeAssistant, coordinator):
   @property
   def unique_id(self):
     """The id of the sensor."""
-    return f"octopus_energy_saving_sessions"
+    return f"octopus_energy_{account_id_to_unique_key(self._account_id)}_saving_sessions"
 
   @property
   def name(self):
     """Name of the sensor."""
-    return f"Octopus Energy Saving Session"
+    return f"Octopus Energy {self._account_id} Saving Session"
 
   @property
   def icon(self):

custom_components/octopus_energy/target_rates/target_rate.py

@@ -23,7 +23,6 @@
   CONFIG_TARGET_TYPE,
   CONFIG_TARGET_START_TIME,
   CONFIG_TARGET_END_TIME,
-  CONFIG_TARGET_MPAN,
   CONFIG_TARGET_ROLLING_TARGET,
   CONFIG_TARGET_LAST_RATES,
   CONFIG_TARGET_INVERT_TARGET_RATES,