[Task](greenhouse): add exposed services list

[ArtieReus]

Task Description

Create a new admin page at /admin/exposed-services to list all services exposed by plugins. Uses label selector greenhouse.sap/plugin-exposed-services=true for efficient API-level filtering.

Sub-tasks

• Create API fetch function with label selector see the Implementation Details section below
• Create route at /admin/exposed-services/
• [Update] Move ExposedServices component out of plugin instance details and change it in a way that it works for all plugins. Information about which columns to show can be found here.
• [Update]Make the list filterable by support group and cluster
• Add navigation menu item
• [Update] Remove exposed services data grid from plugin instance detail page, and display space separated list of expose services names as hyperlink in basic information sections.
• Test with real data

Implementation Details

In order to fetch all services exposed by all plugins following method can be used.

/*
 * SPDX-FileCopyrightText: 2026 SAP SE or an SAP affiliate company and Juno contributors
 * SPDX-License-Identifier: Apache-2.0
 */

import { Plugin } from "../../types/k8sTypes"

export const FETCH_EXPOSED_SERVICES_CACHE_KEY = "exposedServices"

export const fetchExposedServices = async ({
  apiClient,
  namespace,
}: {
  apiClient: any
  namespace: string
}): Promise<Plugin[]> => {
  // Filter only by plugins that have exposed services
  const labelSelector = "greenhouse.sap/plugin-exposed-services=true"

  const response = await apiClient.get(`/apis/greenhouse.sap/v1alpha1/namespaces/${namespace}/plugins`, {
    params: {
      labelSelector,
    },
  })
  return Array.isArray(response?.items) ? response.items : []
}

Related Issues

• [FEAT] - technical labels for Plugins greenhouse#1555

Additional Context

Please follow established Greenhouse admin patterns with React Query, DataGrid components, and proper error handling.

[guoda-puidokaite]

(Update)

Waiting for design.

[guoda-puidokaite]

(Update)

Design not started, task will extend to next sprint.

[taymoor89]

(Update)

Design not started, task will extend to next sprint.

As agreed with Greenhouse and Design team round, we don't need separate design for Exposed Services page we can follow the same pattern as of PluginPresetsDataGrid