fix(pluginIDProvider): fix pluginIds for backstage-plugin- prefixed plugin names

[dzemanov]

Description

• updates regex to handle backstage-plugin prefixed rhdh-plugins

Plugins from rhdh-plugins have ids starting with backstage-plugin, example 1 or 2. Regex for creating plugin ids from plugin names was not capturing this case, so all our rhdh-plugins that are not wrappers had invalid pluginIds created.

For example for scorecard:

name: @red-hat-developer-hub/backstage-plugin-scorecard-backend-dynamic
after cleanup: @red-hat-developer-hub/backstage-plugin-scorecard

results in this error:

2026-01-27T11:16:17.776Z permission warn No permission metadata found for @red-hat-developer-hub/backstage-plugin-scorecard. NotFoundError: could not read http://localhost:7007/api/%40red-hat-developer-hub%2Fbackstage-plugin-scorecard/.well-known/backstage/permissions/metadata, 404 Not Found 

should be calling this endpoint:

api/scorecard/.well-known/backstage/permissions/metadata

Which issue(s) does this PR fix

• Fixes https://issues.redhat.com/browse/RHDHBUGS-2202

Demo

pluginProvider.mov

PR acceptance criteria

Please make sure that the following steps are complete:

• GitHub Actions are completed and successful
• Unit Tests are updated and passing
• E2E Tests are updated and passing
• Documentation is updated if necessary (requirement for new features)
• Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

[github-actions]

The image is available at:

• quay.io/rhdh-community/rhdh:pr-4071
• quay.io/rhdh-community/rhdh:pr-4071-d086a45e

[dzemanov]

/retest

[github-actions]

The image is available at:

• quay.io/rhdh-community/rhdh:pr-4071
• quay.io/rhdh-community/rhdh:pr-4071-d91313e7

[dzemanov]

Tested the PR on a cluster:

Screen.Recording.2026-01-27.at.16.41.09.mov

[dzemanov]

/retest

[PatAKnight]

@dzemanov not certain why this is happening on your PR and wasn't prior, but I believe that the Verify theme colors are applied and make screenshots test that is failing is happening because the quickstart menu is open and in the way. Just opened up a bug report for it: https://issues.redhat.com/browse/RHDHBUGS-2555

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

The image is available at:

• quay.io/rhdh-community/rhdh:pr-4071
• quay.io/rhdh-community/rhdh:pr-4071-b6b6675e

[djanickova]

/approve
/lgtm

[polasudo]

/approve
/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: AndrienkoAleksandr, djanickova, polasudo

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[dzemanov]

/cherry-pick release-1.9

[openshift-cherrypick-robot]

@dzemanov: new pull request created: #4090

Details

In response to this:

/cherry-pick release-1.9

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