At this point, I don’t do development editing. I have my own stories to tell, and I allow myself to spare some time for teaching.
You did a good exploration in your answers to the questions. If the exercise brought you closer to your goal, good. If you have doubts about any of the answers (reflecting on your intentions and your audience), let me know.
On 7, being more human is fine. Undercutting the character arc can be a problem, but you get to decide if the lie does so. The impact on the character arc of having her tell the truth at the end is very dependent on the actual text.