I used the Konnected board with my wired systems and an Aqara wireless door sensor (matter over thread) connected to Smartthings and managed by Smartthings Home Monitor. This might give you some ideas; https://jacklail.com/2024/06/dyi-how-i-converted-a-dumb-home-security-system-to-a-smart-system/
I’m sure some will say it has vulnerabilities using WiFi and cloud-based systems, but it meets my “good enough” test for deterrence not 100% prevention.