If you use /Grail cb only having the quest id is a bit sad.
Having the name behind the quest would help to see if it is a) already known to grail and b) one of the hidden tracking or otherwise special quests.

I think this is done with the latest commits and can be closed

I think we should also do this for the mechanism that tracks quests completed by killing mobs and looting treasures

Usually there is no real title for the quests that are used as flags for looting or killing mobs. I am not sure putting the empty title would help. Is this what you mean or am I misunderstanding?

There often is a vignette- Mobname in the title. It also helps to figure out what happens if you get 5 quests at once marked as completed because you were stuck in combat or some other hiccup happened.