I have some questions, like why is map core base things is not done properly, some core things miss outputs and some REALLY BIG SKYBOX BRUSHES. And map is poorly optimized.(Map is not big, so thats not a big problem)
Im not a good mapper, but my advise, watch some tutorials. And learn how to optimize map. (Watch UEAKCrash and some cp map making tutorials)
This link could help with cp gamemode map making:
https://developer.valvesoftware.com/wiki/Team_Fortress_2/Creating_a_CP_assault_map
(Im new to mapping too ngl)
Why didnt i tell how to make a cp map and were you did wrong? Because it will be too long and no one will read that.
And nice lighting. Bye, i hope i helped you.