Hi Teresa, I didn't fully understand your question yet.
You are saying that the eligible treatment is registered in the CI_PRESENTED_TREATMENT_HISTORY and the CELL_PACKAGE_SK recorded is related to the main Decision Campaign (as it should be), so it works for you and this is great.
What exactly is the information that you are missing from the relation of these tables? Is it the list of all treatments assigned to the Reply node, even while some of them were not yet made eligible for any of the customer requests?
I would have a look towards CI_PACKAGE_X_TREATMENT table (relates to both CI_CELL_PACKAGE and CI_TREATMENT). You need to check if it is populated correctly in the RTDM context upon campaign publish (frankly, I don't remember out of my head, need to check). If it does, then it may be what are you looking for.
If it does not, then you may have to arrange for a workaround solution. I have couple ideas in mind, you can PM me to discuss. Let's first find out if I correctly understood your request, and whether CI_PACKAGE_X_TREATMENT table works for you.
Best, Dmitriy.
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Dmitriy Alergant, Tier One Analytics