add lots of debugging to Ai client
ro "Română" translation #4315. Author: adiprenne.
nl "Nederlands, Vlaams" translation #4323. Author: Alexm.
tr "Türkçe" translation #4327. Author: Anonymous.
it "Italian" translation #4328. Author: danilo di moia.
fix nl translation
ja "日本語" translation #4335. Author: marisuke.