Perhaps I am not so smart as you are.
But but what I must say, the “Wemo Emulator” (the Belkin Wemo) that you used in your first project ,fauxmoESP ,espurna ,Espalexa ,Tasmota and a lot more all are present thanks to Aruna Tennakoon " kakopappa ".
all the hard work was done by kakopappa.
now with SINRIC also from kakopappa you can control
TV / Speaker
Alexa.PowerController
Alexa.PlaybackController
Alexa.InputController
Alexa.Speaker
Alexa.StepSpeaker
Window Shutters
Alexa.PowerController
Alexa.ChannelController
Alexa.PercentageController
Thermostat
Alexa.PowerController
Alexa.ThermostatController
Alexa.TemperatureSensor
Switch
Alexa.PowerController
Light
Alexa.PowerController
Alexa.ColorTemperatureController
Alexa.ColorController
Alexa.BrightnessController
and now with GOOGLE HOME
you can check my post