Unless you want bots, you can turn the bspc portion off.
The lights in those hallways are easy to get caught on, espeically for the grapplers. A few clip brushes (textures->common->clip) around them should do wonders.
Like, you have a wall, with a light sticking out..
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The player gets caught. Now if you had some clips at angles..
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The player will sorta bounce off the lights, instead of get stuck.
Hope that comes out right.