hmm since Vivi hates Cole , I just thought , what if party members had like/dislike meter too , and if it rises to much they ask inquisitor to kick someone , for example Vivi dislike meter through questing in world various replies from npcs drops to negative -5. Then she comes to inquisitor and demands to kick Cole from team. And if u refuse she leaves. Or better later in the game they go into argument over smth and goes 1vs1 and one of them dies. Now that would be cool , and your choices would matter even more.
Would make it a bit tense for me, I would be afraid of taking peeps in the same party.
Cole's profile says Vivienne wants him safely banished, but she does not go as far as Sera who calls him it, don't blame them though.
On a friendship level, Cole seems very emotional, and Madame Der Fer as we know has her priorities, so it will be difficult to get them to show some love is what I'm thinking. Hope we can get them to play nice.