[WIP] Update PR to address feedback on preventing zombie Blooms

[Copilot]

Thanks for the feedback on #7528. I've created this new PR, which merges into #7528, to address your comment. I will work on the changes and keep this PR's description up to date as I make progress.

Original PR: #7528
Triggering review: #7528 (review)

@andrew-polk reviewed 7 of 7 files at r1, all commit messages.
@andrew-polk dismissed @copilot-pull-request-reviewer[bot] from a discussion.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @JohnThomson)

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