I don't know why this wouldn't have been the default since like ROS v1.0
Can you change it so that by default in the neighbors tab of OSPF it shows the adjacency time column? That's right in your face on any other routing platform when doing a "show ip neighbor" and is a really useful bit of information to glance over and spot "hang on, that neighbors only been up for 3 hours". I see no reason not to have it displayed at all times