This was too huge for me in NJ
https://rrhelections.com/index.php/2018/05/31/2018-super-tuesday-preview-part-1-california/
https://rrhelections.com/index.php/2018/05/30/2018-california-legislative-primary-preview/
You may find something helpful, but I see this as a general election in the sense GOP do or die. Top 2 or shut out in November.
Thank you SMGFan! :)