Sensor for a door locked status with “folding” lock mechanism?

[wraith current]

We have these sliding glass doors, and the doors lock with a handle that folds in toward the door, so in the locked state, the rotation changes at a hinge, and the far edge of the handle itself is slightly closer to the glass of the door.

Is there an existing sensor, or some method that you might recommend to sense the status of the door lock? Visually unobtrusive solutions are better here.

I have thought there might be some magnetic sensor that I could apply to the handle, to sense the change in distance of the handle to the door? But perhaps there is a rotational sensor I don't know about (maybe a compass-type sensor?) to determine the orientation, or someone has a better idea?

Photos attached. First is face-on to the door. 2nd is overhead view of unlocked position. 3rd is overhead, but locked.

[turbid rune]

so my first thought is have a normal door sensor with the magnet on the handle but you some have much wiggle room to adjust so it would be tricky.

you could could a tilt sensor. there are some ble/zigbee options if (i assume) you want battery
there are gyroscope sensors but you might struggle using them on battery.

how does the actual locking mechanism work in the frame? perhaps an option there?

[wraith current]

Not a lot of room in the mechanism itself

[wraith current]

Thanks. Maybe if I have access to the magnetic sensor readings, I can determine a good boundary point.

I actually have an extra Aqara vibration sensor that says it does axis readings too… maybe I can figure out something with that? https://www.zigbee2mqtt.io/devices/DJT11LM.html