OpenWRT Bridged Repeater (tested on TL-WR841ND v9 with barrier breaker)

network

#/etc/config/network

config interface 'loopback'
	option ifname 'lo'
	option proto 'static'
	option ipaddr '127.0.0.1'
	option netmask '255.0.0.0'

config globals 'globals'
	option ula_prefix 'fdaa:ec6b:a862::/48'

config interface 'lan'
	option type 'bridge'
	option ifname 'eth0 eth1'
	option proto 'none'

config switch
	option name 'switch0'
	option reset '1'
	option enable_vlan '1'

config switch_vlan
	option device 'switch0'
	option vlan '1'
	option ports '0 1 2 3 4'

config interface 'uplink'
	option proto 'dhcp'

config interface 'staticbridge'
	option proto 'relay'
	option network 'lan uplink'

wireless

#/etc/config/wireless

config wifi-device 'radio0'
	option type 'mac80211'
	option hwmode '11g'
	option path 'platform/qca953x_wmac'
	option htmode 'HT20'
	option txpower '20'
	option country 'DE'

config wifi-iface
	option device 'radio0'
	option mode 'sta'
	option network 'uplink'
	option encryption 'psk'
	option ssid 'YourWirelessNetwork'
	option key 'YourWirelessPassword'

Thanks. I was struggling setting this up.