Competing Decision Point Review and Documentation

[danoswaltCL]

We need to review how competing decision points are working, how they SHOULD be working, and write up how this all works for the gitbook.

Original spec (2022)
https://docs.google.com/document/d/1dSbNQbkGIb9nDizojqHtirdFTZJ5uwtR8vvkyyIUIGc/edit?tab=t.0

Recent AI summary
https://docs.google.com/document/d/1r8Quh7lXs38Naj1PG5BMkhjBybeBtNb7_dfgHqSKLig/edit?tab=t.0

Vivek Video Demo
https://drive.google.com/file/d/1dCgUi57Ohpy-g8VsTTQB3Vy_CmETMdRJ/view?usp=sharing