Janitor should clean up old finished flows

[abador]

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• [X] I could not find a solution in the existing issues, docs, nor discussions.
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Describe your problem

At the moment janitor (in FlushInactiveLoginConsentRequests) cleans up the hydra_oauth2_flow for all states different than flow.FlowStateConsentUsed. This seems ok and cleans up any broken/unfinished flows. During our testing, we noticed that our database gets bloated and the data isn't flushed for short sessions/consents (combinations of consent_remember = 0|1, consent_remember_for = 0|60|3600, login_remember=0, login_remember_for=0 ). If I understand correctly those records could also be deleted. This also impacts hydra_oauth2_code and hydra_oauth2_oidc tables

Describe your ideal solution

An additional cleanup job is added that cleans up flows that have the state column equal to flow.FlowStateConsentUsed, but aren't valid anymore (no other tables rely on them anymore).

Workarounds or alternatives

Running own query that cleans up the tables. This is doable if you have the same settings for every client, but I don't see a valid solution that would clean it up properly in other setups

Version

2.1.1

Additional Context

No response

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[Renkas]

I'm also looking for a solution to clean up those tables.