I like your suggestions. The Zealot has no niche in Eve right now. It is utterly ignored. You can’t use it solo or small gang. It basically is just a really shitty cerberus. An RLML Cerb does everything better from farther away and faster without tracking issues.
Any time I see the capacitor activation cost bonus, I know that’s going to be a ship for which there is a superior choice in another race’s lineup.
No ship should have that as a bonus. Just give it the bonus as a baseline max cap and recharge rate and give the hull tracking or ROF.