Well actually it makes sense, ewar does " damage " you in a way, Neuts and drains can certainly be converted to real damage if the target is running shields 1 damage per cycle can be implemented. Hell if that DAMAGE is not wanted, you could even implement the same amount as Repping.

However this would ofcourse mean rebuilding all of the modules, and recoding them, wich essential, would probably be more work then figureing out a way to show them currently.

A more promising solution would probably be in registering "flagged" persons, if you flag for pvp that gets registered. Wouldn't it be possible to include flagged persons to the killmail and then if no damage was applied just set it at 0? This would give non weapon bots registration on the killboard, and would give the devs time to include the individual registration of modules for more expanded killboard stats