Port more changes from updated branch

docker/zammad/Dockerfile

@@ -42,6 +42,10 @@ RUN pnpm install --frozen-lockfile
 # This extracts addon files including CoffeeScript, Vue components, TypeScript, and CSS
 RUN ruby contrib/link/install.rb
 
+# Rebuild Vite frontend to include addon Vue components
+# The base image has pre-built Vite assets, but addon Vue files need to be compiled
+RUN RAILS_ENV=production bundle exec vite build --clobber
+
 # Fix OpenSearch compatibility: Replace 'flattened' with 'flat_object'
 # Elasticsearch uses 'flattened' but OpenSearch uses 'flat_object'
 # Without this fix, search index creation fails with:

packages/zammad-addon-link/src/app/controllers/opensearch_controller.rb

@@ -1,19 +1,47 @@
 # frozen_string_literal: true
 
-# OpenSearchController provides access to OpenSearch Dashboards URL and status.
-# This allows the frontend to link directly to OpenSearch Dashboards for analytics.
+# Copyright (C) 2025 Center for Digital Resilience
+# License: AGPL-3.0-or-later
 
 class OpensearchController < ApplicationController
   prepend_before_action -> { authentication_check && authorize! }
 
-  # GET /api/v1/opensearch
+  # GET /opensearch
+  # Render the OpenSearch Dashboards iframe page
   def index
-    enabled = Setting.get('opensearch_dashboards_enabled') == true
-    url = Setting.get('opensearch_dashboards_url')
+    # Get the OpenSearch Dashboards URL from environment or use default
+    @opensearch_url = ENV.fetch('OPENSEARCH_DASHBOARDS_URL', 'http://opensearch-dashboards:5601')
+    @default_dashboard = ENV.fetch('OPENSEARCH_DEFAULT_DASHBOARD_URL', '/app/dashboards')
 
-    render json: {
-      enabled: enabled,
-      url: enabled ? url : nil
+    render 'opensearch/index', layout: false
+  end
+
+  # GET /opensearch/dashboards/*path
+  # Proxy requests to OpenSearch Dashboards
+  # This allows embedding OpenSearch without CORS issues
+  def proxy
+    path = params[:path] || ''
+    opensearch_url = ENV.fetch('OPENSEARCH_DASHBOARDS_URL', 'http://opensearch-dashboards:5601')
+    target_url = "#{opensearch_url}/#{path}"
+
+    # Add query parameters if present
+    if request.query_string.present?
+      target_url = "#{target_url}?#{request.query_string}"
+    end
+
+    # Forward the request to OpenSearch Dashboards
+    response = HTTParty.get(
+      target_url,
+      headers: {
+        'x-forwarded-user' => current_user.email,
+        'x-forwarded-roles' => current_user.role_ids.map { |id| Role.find(id).name }.join(','),
       }
+    )
+
+    # Return the response
+    render plain: response.body, status: response.code, content_type: response.headers['content-type']
+  rescue StandardError => e
+    Rails.logger.error "OpenSearch proxy error: #{e.message}"
+    render plain: 'Error connecting to OpenSearch Dashboards', status: :service_unavailable
   end
 end

packages/zammad-addon-link/src/app/frontend/apps/desktop/components/Form/fields/FieldNotifications/FieldNotificationsInput.vue

@@ -0,0 +1,204 @@
+<!-- Copyright (C) 2012-2025 Zammad Foundation, https://zammad-foundation.org/ -->
+<!-- CDR Link Extension: Adds Signal notification channel support -->
+
+<script setup lang="ts">
+import { cloneDeep } from 'lodash-es'
+import { storeToRefs } from 'pinia'
+import { toRef, computed } from 'vue'
+
+import useValue from '#shared/components/Form/composables/useValue.ts'
+import type { FormFieldContext } from '#shared/components/Form/types/field.ts'
+import { useApplicationStore } from '#shared/stores/application.ts'
+
+import CommonSimpleTable from '#desktop/components/CommonTable/CommonSimpleTable.vue'
+import type { TableSimpleHeader } from '#desktop/components/CommonTable/types.ts'
+
+import {
+  NotificationMatrixColumnKey,
+  NotificationMatrixPathKey,
+  NotificationMatrixRowKey,
+} from './types.ts'
+
+const props = defineProps<{
+  context: FormFieldContext
+}>()
+
+const context = toRef(props, 'context')
+
+const { localValue } = useValue(context)
+
+// Get application config to check if Signal notifications are enabled
+const { config } = storeToRefs(useApplicationStore())
+const signalNotificationEnabled = computed(() =>
+  config.value?.signal_notification_enabled === true
+)
+
+// Base headers without Signal
+const baseTableHeaders: TableSimpleHeader[] = [
+  {
+    key: 'name',
+    label: __('Name'),
+  },
+  {
+    key: NotificationMatrixColumnKey.MyTickets,
+    path: NotificationMatrixPathKey.Criteria,
+    label: __('My tickets'),
+    alignContent: 'center',
+    headerClass: 'w-20',
+  },
+  {
+    key: NotificationMatrixColumnKey.NotAssigned,
+    path: NotificationMatrixPathKey.Criteria,
+    label: __('Not assigned'),
+    alignContent: 'center',
+    headerClass: 'w-20',
+  },
+  {
+    key: NotificationMatrixColumnKey.SubscribedTickets,
+    path: NotificationMatrixPathKey.Criteria,
+    label: __('Subscribed tickets'),
+    alignContent: 'center',
+    headerClass: 'w-20',
+  },
+  {
+    key: NotificationMatrixColumnKey.AllTickets,
+    path: NotificationMatrixPathKey.Criteria,
+    label: __('All tickets'),
+    alignContent: 'center',
+    headerClass: 'w-20',
+    columnSeparator: true,
+  },
+  {
+    key: NotificationMatrixColumnKey.AlsoNotifyViaEmail,
+    path: NotificationMatrixPathKey.Channel,
+    label: __('Also notify via email'),
+    alignContent: 'center',
+    headerClass: 'w-20',
+  },
+]
+
+// Signal header to be conditionally added
+const signalHeader: TableSimpleHeader = {
+  key: 'signal' as NotificationMatrixColumnKey,
+  path: NotificationMatrixPathKey.Channel,
+  label: __('Also notify via Signal'),
+  alignContent: 'center',
+  headerClass: 'w-20',
+}
+
+// Computed headers that include Signal when enabled
+const tableHeaders = computed(() => {
+  if (signalNotificationEnabled.value) {
+    return [...baseTableHeaders, signalHeader]
+  }
+  return baseTableHeaders
+})
+
+// All column keys including Signal for the template
+const allColumnKeys = computed(() => {
+  const keys = Object.values(NotificationMatrixColumnKey)
+  if (signalNotificationEnabled.value) {
+    keys.push('signal' as NotificationMatrixColumnKey)
+  }
+  return keys
+})
+
+const tableItems = [
+  {
+    id: 1,
+    key: NotificationMatrixRowKey.Create,
+    name: __('New ticket'),
+  },
+  {
+    id: 2,
+    key: NotificationMatrixRowKey.Update,
+    name: __('Ticket update'),
+  },
+  {
+    id: 3,
+    key: NotificationMatrixRowKey.ReminderReached,
+    name: __('Ticket reminder reached'),
+  },
+  {
+    id: 4,
+    key: NotificationMatrixRowKey.Escalation,
+    name: __('Ticket escalation'),
+  },
+]
+
+const valueLookup = (
+  rowKey: NotificationMatrixRowKey,
+  pathKey: NotificationMatrixPathKey,
+  columnKey: NotificationMatrixColumnKey | string,
+) => {
+  const row = localValue.value?.[rowKey]
+  if (!row) return undefined
+
+  return row[pathKey]?.[columnKey]
+}
+
+const updateValue = (
+  rowKey: NotificationMatrixRowKey,
+  pathKey: NotificationMatrixPathKey,
+  columnKey: NotificationMatrixColumnKey | string,
+  state: boolean | undefined,
+) => {
+  const values = cloneDeep(localValue.value) || {}
+
+  values[rowKey] = values[rowKey] || {}
+  values[rowKey][pathKey] = values[rowKey][pathKey] || {}
+  values[rowKey][pathKey][columnKey] = Boolean(state)
+
+  localValue.value = values
+}
+</script>
+
+<template>
+  <output
+    :id="context.id"
+    :class="context.classes.input"
+    :name="context.node.name"
+    :aria-disabled="context.disabled"
+    :aria-describedby="context.describedBy"
+    v-bind="context.attrs"
+  >
+    <CommonSimpleTable
+      :caption="__('Notifications matrix')"
+      class="mb-4 w-full"
+      :headers="tableHeaders"
+      :items="tableItems"
+    >
+      <template
+        v-for="key in allColumnKeys"
+        :key="key"
+        #[`column-cell-${key}`]="{ item, header }"
+      >
+        <FormKit
+          :id="`notifications_${item.key}_${header.path}_${header.key}`"
+          :model-value="
+            valueLookup(
+              item.key as NotificationMatrixRowKey,
+              header.path as NotificationMatrixPathKey,
+              header.key as NotificationMatrixColumnKey,
+            )
+          "
+          type="checkbox"
+          :name="`notifications_${item.key}_${header.path}_${header.key}`"
+          :disabled="context.disabled"
+          :ignore="true"
+          :label-sr-only="true"
+          :label="`${i18n.t(item.name as string)} - ${i18n.t(header.label)}`"
+          @update:model-value="
+            updateValue(
+              item.key as NotificationMatrixRowKey,
+              header.path as NotificationMatrixPathKey,
+              header.key as NotificationMatrixColumnKey,
+              $event,
+            )
+          "
+          @blur="context.handlers.blur"
+        />
+      </template>
+    </CommonSimpleTable>
+  </output>
+</template>

packages/zammad-addon-link/src/app/frontend/apps/desktop/components/Form/fields/FieldNotifications/types.ts

@@ -0,0 +1,32 @@
+// Copyright (C) 2012-2025 Zammad Foundation, https://zammad-foundation.org/
+// CDR Link Extension: Adds Signal notification channel support
+
+export enum NotificationMatrixRowKey {
+  Create = 'create',
+  Escalation = 'escalation',
+  ReminderReached = 'reminderReached',
+  Update = 'update',
+}
+
+export enum NotificationMatrixPathKey {
+  Criteria = 'criteria',
+  Channel = 'channel',
+}
+
+export enum NotificationMatrixColumnKey {
+  MyTickets = 'ownedByMe',
+  NotAssigned = 'ownedByNobody',
+  SubscribedTickets = 'subscribed',
+  AllTickets = 'no',
+  AlsoNotifyViaEmail = 'email',
+  // CDR Link: Signal notification channel
+  AlsoNotifyViaSignal = 'signal',
+}
+
+export type NotificationMatrix = {
+  [rowKey in NotificationMatrixRowKey]: {
+    [pathKey in NotificationMatrixPathKey]: {
+      [columnKey in NotificationMatrixColumnKey]: boolean
+    }
+  }
+}

packages/zammad-addon-link/src/app/frontend/apps/desktop/pages/personal-setting/views/PersonalSettingNotifications.vue

@@ -0,0 +1,321 @@
+<!-- Copyright (C) 2012-2025 Zammad Foundation, https://zammad-foundation.org/ -->
+<!-- CDR Link Extension: Adds Signal notification phone number field -->
+
+<script setup lang="ts">
+import { isEqual } from 'lodash-es'
+import { storeToRefs } from 'pinia'
+import { computed, ref, watch } from 'vue'
+
+import {
+  NotificationTypes,
+  useNotifications,
+} from '#shared/components/CommonNotifications/index.ts'
+import Form from '#shared/components/Form/Form.vue'
+import { type FormSubmitData } from '#shared/components/Form/types.ts'
+import { useForm } from '#shared/components/Form/useForm.ts'
+import { useConfirmation } from '#shared/composables/useConfirmation.ts'
+import { defineFormSchema } from '#shared/form/defineFormSchema.ts'
+import {
+  EnumFormUpdaterId,
+  EnumNotificationSoundFile,
+  type UserNotificationMatrixInput,
+} from '#shared/graphql/types.ts'
+import { convertToGraphQLId } from '#shared/graphql/utils.ts'
+import { MutationHandler } from '#shared/server/apollo/handler/index.ts'
+import { useSessionStore } from '#shared/stores/session.ts'
+import { useApplicationStore } from '#shared/stores/application.ts'
+import type { UserData } from '#shared/types/store.ts'
+
+import CommonButton from '#desktop/components/CommonButton/CommonButton.vue'
+import LayoutContent from '#desktop/components/layout/LayoutContent.vue'
+import { useBreadcrumb } from '#desktop/pages/personal-setting/composables/useBreadcrumb.ts'
+import { useUserCurrentNotificationPreferencesResetMutation } from '#desktop/pages/personal-setting/graphql/mutations/userCurrentNotificationPreferencesReset.api.ts'
+import { useUserCurrentNotificationPreferencesUpdateMutation } from '#desktop/pages/personal-setting/graphql/mutations/userCurrentNotificationPreferencesUpdate.api.ts'
+import type { NotificationFormData } from '#desktop/pages/personal-setting/types/notifications.ts'
+
+// CDR Link: Extended form data type to include signal_uid
+interface ExtendedNotificationFormData extends NotificationFormData {
+  signal_uid?: string
+}
+
+const { breadcrumbItems } = useBreadcrumb(__('Notifications'))
+
+const { user } = storeToRefs(useSessionStore())
+
+// CDR Link: Get application config for signal notification setting
+const { config } = storeToRefs(useApplicationStore())
+const signalNotificationEnabled = computed(() =>
+  config.value?.signal_notification_enabled === true
+)
+
+const { notify } = useNotifications()
+
+const { waitForConfirmation } = useConfirmation()
+
+const loading = ref(false)
+
+const { form, onChangedField, formReset, values, isDirty } = useForm()
+
+const soundOptions = Object.keys(EnumNotificationSoundFile).map((sound) => ({
+  label: sound,
+  value: sound,
+}))
+
+// CDR Link: Check if any Signal notification checkbox is selected in the matrix
+const hasSignalNotificationSelected = computed(() => {
+  const matrix = values.value?.matrix
+  if (!matrix) return false
+
+  // Check all rows (create, update, reminderReached, escalation) for signal channel enabled
+  const rows = ['create', 'update', 'reminderReached', 'escalation']
+  return rows.some((row) => matrix[row]?.channel?.signal === true)
+})
+
+// CDR Link: Dynamically build schema based on signal notification setting
+const schema = computed(() => {
+  const baseSchema = [
+    {
+      type: 'notifications',
+      name: 'matrix',
+      label: __('Notification matrix'),
+      labelSrOnly: true,
+    },
+    {
+      type: 'select',
+      name: 'group_ids',
+      label: __('Limit notifications to specific groups'),
+      help: __('Affects only notifications for not assigned and all tickets.'),
+      props: {
+        clearable: true,
+        multiple: true,
+        noOptionsLabelTranslation: true,
+      },
+    },
+  ]
+
+  // CDR Link: Add Signal phone number field only when Signal notifications are enabled
+  // AND at least one Signal notification checkbox is selected
+  if (signalNotificationEnabled.value && hasSignalNotificationSelected.value) {
+    baseSchema.push({
+      type: 'text',
+      name: 'signal_uid',
+      label: __('Signal Phone Number'),
+      help: __('Use international format with country code (e.g., +1234567890). Required when Signal notifications are enabled in the matrix.'),
+      props: {
+        placeholder: '+1234567890',
+      },
+    } as any)
+  }
+
+  // Sound settings
+  baseSchema.push(
+    {
+      type: 'select',
+      name: 'file',
+      label: __('Notification sound'),
+      props: {
+        options: soundOptions,
+      },
+    } as any,
+    {
+      type: 'toggle',
+      name: 'enabled',
+      label: __('Play user interface sound effects'),
+      props: {
+        variants: { true: 'True', false: 'False' },
+      },
+    } as any,
+  )
+
+  return defineFormSchema(baseSchema)
+})
+
+const initialFormValues = computed<ExtendedNotificationFormData>((oldValues) => {
+  const { notificationConfig = {}, notificationSound = {} } =
+    user.value?.personalSettings || {}
+
+  const values: ExtendedNotificationFormData = {
+    group_ids: notificationConfig?.groupIds ?? [],
+    matrix: notificationConfig?.matrix || {},
+    // CDR Link: Include signal_uid from notification config
+    signal_uid: notificationConfig?.signalUid ?? '',
+
+    // Default notification sound settings are not present on the user preferences.
+    file: notificationSound?.file ?? EnumNotificationSoundFile.Xylo,
+    enabled: notificationSound?.enabled ?? true,
+  }
+
+  if (oldValues && isEqual(values, oldValues)) return oldValues
+
+  return values
+})
+
+watch(initialFormValues, (newValues) => {
+  // No reset needed when the form has already the correct state.
+  if (isEqual(values.value, newValues) && !isDirty.value) return
+
+  formReset({ values: newValues })
+})
+
+onChangedField('file', (fileName) => {
+  new Audio(`/assets/sounds/${fileName?.toString()}.mp3`)?.play()
+})
+
+// CDR Link: Save signal_uid via REST API
+const saveSignalUid = async (signalUid: string | undefined) => {
+  if (!signalNotificationEnabled.value) return
+
+  try {
+    const response = await fetch('/api/v1/users/preferences', {
+      method: 'PUT',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({
+        notification_config: {
+          signal_uid: signalUid || '',
+        },
+      }),
+    })
+
+    if (!response.ok) {
+      throw new Error('Failed to save Signal phone number')
+    }
+  } catch (error) {
+    console.error('Error saving signal_uid:', error)
+    throw error
+  }
+}
+
+const onSubmit = async (form: FormSubmitData<ExtendedNotificationFormData>) => {
+  loading.value = true
+
+  const notificationUpdateMutation = new MutationHandler(
+    useUserCurrentNotificationPreferencesUpdateMutation(),
+    {
+      errorNotificationMessage: __('Notification settings could not be saved.'),
+    },
+  )
+
+  try {
+    // CDR Link: Save signal_uid separately via REST API
+    if (signalNotificationEnabled.value) {
+      await saveSignalUid(form.signal_uid)
+    }
+
+    // Save other settings via GraphQL mutation
+    const response = await notificationUpdateMutation.send({
+      matrix: form.matrix as UserNotificationMatrixInput,
+      groupIds:
+        form?.group_ids?.map((id) => convertToGraphQLId('Group', id)) || [],
+      sound: {
+        file: form.file as EnumNotificationSoundFile,
+        enabled: form.enabled,
+      },
+    })
+
+    if (response?.userCurrentNotificationPreferencesUpdate) {
+      notify({
+        id: 'notification-update-success',
+        type: NotificationTypes.Success,
+        message: __('Notification settings have been saved successfully.'),
+      })
+    }
+  } finally {
+    loading.value = false
+  }
+}
+
+const resetFormToDefaults = (
+  personalSettings: UserData['personalSettings'],
+) => {
+  const resetValues: any = {
+    matrix: personalSettings?.notificationConfig?.matrix || {},
+  }
+  // CDR Link: Reset signal_uid as well
+  if (signalNotificationEnabled.value) {
+    resetValues.signal_uid = ''
+  }
+  form.value?.resetForm({
+    values: resetValues,
+  })
+}
+
+const onResetToDefaultSettings = async () => {
+  const confirmed = await waitForConfirmation(
+    __('Are you sure? Your notifications settings will be reset to default.'),
+  )
+
+  if (!confirmed) return
+
+  loading.value = true
+
+  const notificationResetMutation = new MutationHandler(
+    useUserCurrentNotificationPreferencesResetMutation(),
+    {
+      errorNotificationMessage: __('Notification settings could not be reset.'),
+    },
+  )
+
+  try {
+    // CDR Link: Reset signal_uid via REST API
+    if (signalNotificationEnabled.value) {
+      await saveSignalUid('')
+    }
+
+    const response = await notificationResetMutation.send()
+    const personalSettings =
+      response?.userCurrentNotificationPreferencesReset?.user
+        ?.personalSettings
+
+    if (!personalSettings) return
+
+    resetFormToDefaults(personalSettings)
+
+    notify({
+      id: 'notification-reset-success',
+      type: NotificationTypes.Success,
+      message: __('Notification settings have been reset to default.'),
+    })
+  } finally {
+    loading.value = false
+  }
+}
+</script>
+
+<template>
+  <LayoutContent :breadcrumb-items="breadcrumbItems" width="narrow">
+    <div class="mb-4">
+      <Form
+        id="notifications-form"
+        ref="form"
+        :schema="schema"
+        :form-updater-id="EnumFormUpdaterId.FormUpdaterUpdaterUserNotifications"
+        form-updater-initial-only
+        :initial-values="initialFormValues"
+        @submit="onSubmit($event as FormSubmitData<ExtendedNotificationFormData>)"
+      >
+        <template #after-fields>
+          <div class="flex justify-end gap-2">
+            <CommonButton
+              size="medium"
+              variant="danger"
+              :disabled="loading"
+              @click="onResetToDefaultSettings"
+            >
+              {{ $t('Reset to Default Settings') }}
+            </CommonButton>
+            <CommonButton
+              size="medium"
+              type="submit"
+              variant="submit"
+              :disabled="loading"
+            >
+              {{ $t('Save Notifications') }}
+            </CommonButton>
+          </div>
+        </template>
+      </Form>
+    </div>
+  </LayoutContent>
+</template>

packages/zammad-addon-link/src/app/views/opensearch/index.html.erb

@@ -0,0 +1,26 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>OpenSearch Dashboards - Zammad</title>
+  <style>
+    body, html {
+      margin: 0;
+      padding: 0;
+      height: 100%;
+      overflow: hidden;
+    }
+    #opensearch-iframe {
+      width: 100%;
+      height: 100%;
+      border: none;
+    }
+  </style>
+</head>
+<body>
+  <iframe
+    id="opensearch-iframe"
+    src="<%= @opensearch_url %><%= @default_dashboard %>"
+    allow="fullscreen"
+  ></iframe>
+</body>
+</html>

packages/zammad-addon-link/src/config/initializers/opensearch_compatibility.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+# OpenSearch Compatibility Fix
+#
+# This initializer patches SearchIndexBackend to use 'flat_object' instead of 'flattened'
+# for field type mapping. OpenSearch uses 'flat_object' while Elasticsearch uses 'flattened'.
+#
+# Without this fix, search index creation fails with:
+#   [o.o.c.m.MetadataCreateIndexService] failed on parsing mappings on index creation
+#   org.opensearch.index.mapper.MapperParsingException: Failed to parse mapping [_doc]:
+#   No handler for type [flattened] declared on field [preferences]
+#
+# See: https://github.com/zammad/zammad/blob/develop/lib/search_index_backend.rb
+
+module SearchIndexBackendOpenSearchPatch
+  # Override the _mapping_item_type_es method to use flat_object instead of flattened
+  def _mapping_item_type_es(item_type)
+    # Call the original method
+    result = super(item_type)
+
+    # Replace 'flattened' with 'flat_object' for OpenSearch compatibility
+    if result == 'flattened'
+      return 'flat_object'
+    end
+
+    result
+  end
+end
+
+# Apply the patch after Rails has finished loading all classes
+Rails.application.config.after_initialize do
+  SearchIndexBackend.singleton_class.prepend(SearchIndexBackendOpenSearchPatch)
+  Rails.logger.info 'OpenSearch compatibility patch applied successfully'
+end

packages/zammad-addon-link/src/config/routes/opensearch.rb

@@ -1,7 +1,10 @@
 # frozen_string_literal: true
 
-Zammad::Application.routes.draw do
-  scope Rails.configuration.api_path do
-    match '/opensearch', to: 'opensearch#index', via: :get
-  end
+# Copyright (C) 2025 Center for Digital Resilience
+# License: AGPL-3.0-or-later
+
+Rails.application.routes.draw do
+  # OpenSearch Dashboards integration
+  get '/opensearch', to: 'opensearch#index'
+  get '/opensearch/*path', to: 'opensearch#proxy'
 end

packages/zammad-addon-link/src/db/addon/link/20250114000001_add_opensearch_navigation.rb

@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+# Copyright (C) 2025 Center for Digital Resilience
+# License: AGPL-3.0-or-later
+
+class AddOpensearchNavigation < ActiveRecord::Migration[5.2]
+  def self.up
+    # Add permission for accessing OpenSearch dashboards
+    Permission.create_if_not_exists(
+      name: 'user_preferences.opensearch',
+      note: 'Access to OpenSearch Dashboards',
+      preferences: {}
+    )
+
+    # Create a navigation entry for OpenSearch
+    # This will add a menu item in the sidebar
+    NavBar.create_if_not_exists(
+      name: 'OpenSearch',
+      link: '/opensearch',
+      prio: 2600,         # Position in menu (after Dashboard=1400, Tickets=2000, Stats=2500)
+      permission: ['user_preferences.opensearch'],
+      parent: '',
+      active: true
+    )
+
+    # Grant permission to admin and agent roles
+    %w[Admin Agent].each do |role_name|
+      role = Role.find_by(name: role_name)
+      next if !role
+
+      role.permission_grant('user_preferences.opensearch')
+    end
+
+    Rails.logger.info 'OpenSearch navigation menu item created successfully'
+  end
+
+  def self.down
+    # Remove navigation entry
+    navbar = NavBar.find_by(name: 'OpenSearch')
+    navbar&.destroy
+
+    # Remove permission
+    permission = Permission.find_by(name: 'user_preferences.opensearch')
+    permission&.destroy
+
+    Rails.logger.info 'OpenSearch navigation menu item removed'
+  end
+end