[Weave] Using the output of a prompt as a input for other prompts in the workflow

Currently there is no way to pull the output from the first prompt in the workflow, and insert it into the next prompt.

“How do I prompt in a way that the output of the first process will be used as the input of the second process?”

This is a basic and super important feature that needs to be inserted into the workflow, so that we can start testing.