[WIP] ESO-240: Bitwarden disable minimal cache

[mytreya-rh]

This is to supplement the study done for ESO-240 which is documented at ESO-240: Study: Cleanup of Bitwarden deployment

The operator in this draft PR also hosts a webhook which caches bitwarden secretstores.
When (and only when) Bitwarden SDK deployment disable is attempted, the webhook is triggered which prevents the operation if (and only if) there are any secretstore/clustersecretstore that refer to Bitwarden.

Code is generated from Cursor using Claude-Sonnet-4.5 and good deal of feedback prompting and reigning in.
Tested with 10,000 SecretStores with memory usage going upto 220Mi max.

[openshift-ci-robot]

@mytreya-rh: This pull request references ESO-240 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the spike to target the "4.22.0" version, but no target version was set.

Details

In response to this:

This is to supplement the study done for ESO-240 which is documented at ESO-240: Study: Cleanup of Bitwarden deployment

The operator in this draft PR also hosts a webhook which caches bitwarden secretstores.
When (and only when) Bitwarden SDK deployment disable is attempted, the webhook is triggered which prevents the operation if (and only if) there are any secretstore/clustersecretstore that refer to Bitwarden.

Code is generated from Cursor using Claude-Sonnet-4.5 and good deal of feedback prompting and reigning in.
Tested with 10,000 SecretStores with memory usage going upto 220Mi max.

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[openshift-ci]

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