Just to be clear: there is no such command. Furthermore, hairstyle are like clothes : they're associated to a specific mesh, for physic purpose. So if npc have different heigh or head size, this will create artefact that broke the game quality. In next game, customization will allow you to change th...

i can't tell about the rule. Erasmus didn't come here since fews weeks, not sure in any other eek team member will answer your question.

About your mods, what's the difference between using it and the console command ?

French translation update is not required, the one done for 2.12 is still valid in 2.15

French translation updated

French translation updated as well

Quick & dirty French translation updated : viewtopic.php?p=10698#p10698

French translation updated for 12.7.0

French translation updated as well

French translation updated as well

French translation updated for 1.2.2.1a.