Capture warnings that occur during a pipeline and surface them via API

[Yaytay]

Currently a bad config can proceed to completion but generate megabytes of logs that the designer has no access to (unless they have access to the logs).
This information should be captured and added to the DB.
There should be a limit on the amount captured.

[Yaytay]

Warnings captured with 26cd74e

[Yaytay]

Log messages are not being recorded when an exception breaks the pipeline