ASOIAF/GOT What If, Catelyn Stark had the detective skills of Sherlock Holmes?

[CarlManvers2019]

How would things go if she could deduce things like grand plots from mere observations?

Presume she could do this from childhood and realized things like Lysa having suffered from a trauma

 

[ATP]

1.Probably could save Lysa from mistake with Petyr,and was aware that Petyr has things for her.
2.Undarstandt that Jon is not Ned bastard,and support him
3.Be aware,that Lysa want Ned fight Lannisters.
4.If Bran fell like canon,show that Jaime&Cersei are quilty and end entire affait then and there.
5.If not,prevent Ned from going with King,and Jon from joining Watch.
6.Support Renly or Stannis and finish Lannister quickly.
7.Investigate wildling tales,undarstandt that Others are coming,and let all useful wildlings come.
8.When Dany come,show her Jon as legit Targ and made him her husband.
Happy End.