ZHA - Aqara wall switch H1 EU, how to use decoupled mode(like a wireless switch)

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If anyone is still interested I maneged to get a working quirk with Claude.ai:

Custom ZHA Quirks: Aqara H1 EU + Sonoff ZBM5 — Decoupled/Detach Relay Mode

Two custom quirks that add decoupled/detach relay mode to the Aqara Smart Wall Switch H1 EU (lumi.switch.l2aeu1) and Sonoff ZBM5 series (1/2/3-gang) in ZHA. Both tested on HA 2026.3.1. The Problem If you have smart bulbs (Philips Hue, IKEA, etc.) wired to an in-wall switch, you know the issue: toggling the switch cuts power to the bulb, making it unavailable in ZHA/Z2M and breaking automations. The solution is decoupled/detach relay mode — the button fires Zigbee events without toggling the rel…