• Add unit information to features Add support for feature units #843
• Convert existing information to features
• Remove EmeterStatus for smartdevice
• Figure out how to keep backwards compat with homeassistant
• Convert iotdevice to use features Expose IOT emeter info as features #844

Available energy consumption information:

• Today and This month (https://github.com/python-kasa/python-kasa/blob/master/kasa/tests/fixtures/smart/P110(EU)_1.0_1.2.3.json#L320-L323
• Today, Past 7 days, past 30 days: https://github.com/python-kasa/python-kasa/blob/master/kasa/tests/fixtures/smart/P110(EU)_1.0_1.2.3.json#L164-L167
• Note: there is no "total"/since reboot like on iot devices had.