tuya-local/custom_components/tuya_local/icons.json

{
    "entity": {
        "lock": {
            "child_lock": {
                "default": "mdi:hand-back-right",
                "state": {
                    "on": "mdi:hand-back-right-off"
                }
            }
        },
        "number": {
            "timer": {
                "default": "mdi:timer"
            }
        },
        "select": {
            "timer": {
                "default": "mdi:timer"
            },
            "temperature_unit": {
                "default": "mdi:temperature-celsius",
                "state": {
                    "Fahrenheit": "mdi:temperature-fahrenheit"
                }
            }
        }
    }
}