Translate signal from hardwired switch to HA via zigbee

Hardware
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1

I am looking for hardware that lets me build an automation based on a conventional wall switch.
My use case is as follows: I have several smart (zigbee) bulbs that I currently control via Homeassistant (zha) or dedicated IKEA remote switches. Now I have useless normal switches that needed to be turned on all the time.
I would like to use the switch input from my existing wall switches to trigger the ZigBee bulbs state without cutting power to them.

I can imagine a scene button but with a wired input. Or a in wall ZigBee switch using only the switch terminals, not the relay.

I already tried this with a Sonoff ZBMINIL2, but I do not see the the state of the switches in HA. There is only the relay state that I can control from HA.

Does anyone know a hardware device I can put behind my wall switches where the input state is transferred to Homeassistant so I can trigger other actions like turning on and off ZigBee bulbs?

Secondary requirements would be: low-cost, offline, ZigBee protocol, no batteries.

2

There’s quite a few behind switch relays. If the ZBMINIL2 wasn’t showing status (which it does via the switch state), there’s also the Aqara T1 relay and various Moes/Tuya as well.

3

You are right it shows the status of the inputs indirectly through the relay state. Maybe I can use this for automations. I could then desolder die relay to get rid of the switching noise.
Do you know if the T1 shows the switch input as dedicated input?

4

Yeah, T1 does plus it supports decoupled mode so the relay doesn’t operate, it just reports the actual switch position. I think the Sonoff does as well without having to solder it, but I’m not sure about that.

5

Thanks. The Sonoff does not, at least not with zha