This is... a lot of work for what unfortunately amounts to be a lot of useless ideas and suggestions.

Branching Jobs is pointless. There's a reason SE didn't go further with it after the situation with ACN > SMN/SCH and the balancing issues it brought up. As much as I have my gripes with the CC system, your overhauling of it here would be worse. Then I see stuff like this...

Shark Bite
Delivers an attack with a potency of 100.
Target is Midlander-sized or smaller Potency: 150
...and any attempt to take this seriously disappears.