[X] Spend time with Madoka and Sayaka.
-[X] Let them take the lead. All these recent developments really are not doing your heart any favors. Just try to relax and enjoy their company for a while.
[X] just have fun, but keep a ear out for rumors.
[X] with Sayaka and Madoka, get them to visit Kamijou, hang out , catch up for awhile, ask if he knows about the game and Kayaba, se if he knows any beta testers, then try to track down Nagisa, with her cancer mother, without telling Madoka but tell Sayaka about your goal, make a excuse about seeing the nurse about games that Kamijou can enjoy, see whether you or Sayaka can heal the mother.
[x] contact Oriko see, how she is doing, and the status of her friends and family, see about setting up a future dinner meeting with Nanoha, Kyoko and Sayaka more relaxation than anything.
[X] Of the anomalies of the timeline besides the angel, Nanoha and Yuuko, the other uunknowns at this point is Kayaba, Oriko, the cat and the regenerating monster, dream figures that have haunted you before the appearance of the regenerating monster, and the more benign dream figures of the man and girl.
-[x]Kayaba is the easiest to investigate first, he is a mere human, atleast he us supposed to be one, juat as you are supposed to be a shy moe type middle schooler, he relies on the virtual reality and players, thus the nervgear, try to find a beta tester, swap your nervgear with him or her and bring it back to nanoha for investigation, try to find out more about the 'skynet' thing or get a book about computer programming.
[X] At night contact kyubey, gwt a status report of the overpowered regeneraring monster to see where he is, is he still trap in the barrier, ascertain the monater supposedly 'killed' by Sayaka. Ask Kyubey if he knows where the cat is.