it has a relatively weak forward gun, and fighters.
I wouldn't exactly call:
a weak weapon but yes the fighter count is low... The AI requires all races have access to a starting Capital ship and to prevent this one from being an early game dominatrix it's nerfed. Based on your recommendation it would be easy to add two point defense systems one left arc and one right arc, based off the lightning gun of the heavy cruiser but weaker and with shorter range. Increasing fighter count substantially per level would be a relatively easy fix, but I'd recommend maintaining relatively low squadron numbers for levels 0 and 1 (1 and 2) depending on if people or the machine is counting...
Who ever is doing the final model tweaks that would require adding two additional hard points to hang the weapons from.