Backstage Code Coverage Plugin

yarn --cwd packages/app add @backstage-community/plugin-code-coverage

// packages/app/src/components/catalog/EntityPage.tsx

import { TechDocsAddons } from '@backstage/plugin-techdocs-react';
import { ReportIssue } from '@backstage/plugin-techdocs-module-addons-contrib';
+import { EntityCodeCoverageContent } from '@backstage-community/plugin-code-coverage';

@@ -226,6 +227,10 @@ const defaultEntityPage = (
    <EntityLayout.Route path="/docs" title="Docs">
      {techdocsContent}
    </EntityLayout.Route>
+
+    <EntityLayout.Route path="/code-coverage" title="Code Coverage">
+      <EntityCodeCoverageContent />
+    </EntityLayout.Route>
  </EntityLayout>
);

...
metadata:
  annotations:
    backstage.io/code-coverage: enabled