ok, I did something I should have done at least 1 week ago. Download another FTE version! The latest experimental one it works like a charm!
I feel like a stupid but I was 100% sure that FTE versions couldn't differ too much from one to another... well I was definitely wrong!
old version (FTE SVN 4728) completely ignored my csqc code, this current one (FTE SVN 4754) instead does its job perfectly (but it ignores .fmf file for game settings
Sorry guys to have created an useless post!