This is a different context for satisfaction, but to answer your questions:
yes, I often find satisfying working through problems that have already been solved, though I appreciate that not everyone does;
no, I would not want to be denied the solutions if I asked (assuming there isn’t some other reason why giving me the solution is harmful), or kept in ignorance of the existence of those solutions (ibid);
if it turns out that all of my desires as they currently exist are fully implemented, leaving me with no room for progress and no future prospects better than endless joy, fulfillment and satisfaction, I’d be satisfied and fulfilled and joyful.
Admittedly, I might eventually become unsatisfied with that and desire something else, at which point I would devote efforts to satisfying that new desire. It doesn’t seem terribly likely that my non-existence would be the best possible way of doing so, but I suppose it’s possible, and if it happened I would cease to exist.
This is a different context for satisfaction, but to answer your questions:
yes, I often find satisfying working through problems that have already been solved, though I appreciate that not everyone does;
no, I would not want to be denied the solutions if I asked (assuming there isn’t some other reason why giving me the solution is harmful), or kept in ignorance of the existence of those solutions (ibid);
if it turns out that all of my desires as they currently exist are fully implemented, leaving me with no room for progress and no future prospects better than endless joy, fulfillment and satisfaction, I’d be satisfied and fulfilled and joyful.
Admittedly, I might eventually become unsatisfied with that and desire something else, at which point I would devote efforts to satisfying that new desire. It doesn’t seem terribly likely that my non-existence would be the best possible way of doing so, but I suppose it’s possible, and if it happened I would cease to exist.