Download the new 1.03 reference data (should be in the Downloads section), that'll give you the text versions of the files. All the capital ships are named CAPITALSHIP_xxxxx.entity, like CAPITALSHIP_TECHCOLONY.entity for the Akkan, etc.
All frigates/cruisers are named Frigatexxxxx.entity, like FrigateTechLight.entity for the Cobalt.
Each of those has the prefersToFocusFire line that you just set to FALSE