pkg: add status manager for condition handling

[ballista01]

Extracted from #136 for easier review per #136 (comment).

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[ahrtr]

@ballista01 pls resolve all the review comments from @neolit123 in another PR #136. After it's done, we will take another look. Thanks

[ballista01]

@ballista01 pls resolve all the review comments from @neolit123 in another PR #136. After it's done, we will take another look. Thanks

Thanks for the review! Unfortunately, I haven't had time for OSS contributions recently. I'll implement the changes in the next week.

[ivanvc]

cc. @Prakhar824