[Discover] Support "Inspect" in saved search embeddables (#202947)

- Closes https://github.com/elastic/kibana/issues/202301

## Summary

This PR enables "Inspect" option for saved search Dashboard panels.

<img width="1619" alt="Screenshot 2024-12-04 at 16 02 33"
src="https://github.com/user-attachments/assets/a1eab597-4683-4069-b48f-b33b977db578">
<img width="1620" alt="Screenshot 2024-12-04 at 16 02 43"
src="https://github.com/user-attachments/assets/0dc734c3-f930-4397-9b68-69d959400924">
<img width="1618" alt="Screenshot 2024-12-04 at 16 03 03"
src="https://github.com/user-attachments/assets/460d8432-dc14-480e-b49d-81ab743815d2">



### Checklist

- [x] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [x] The PR description includes the appropriate Release Notes section,
and the correct `release_note:*` label is applied per the
[guidelines](https://www.elastic.co/guide/en/kibana/master/contributing.html#kibana-release-notes-process)

src/plugins/discover/public/embeddable/__mocks__/get_mocked_api.ts

@@ -8,7 +8,7 @@
  */
 
 import { BehaviorSubject } from 'rxjs';
-
+import type { Adapters } from '@kbn/inspector-plugin/common';
 import { SearchSource } from '@kbn/data-plugin/common';
 import type { DataView } from '@kbn/data-views-plugin/common';
 import { DataTableRecord } from '@kbn/discover-utils';
@@ -58,6 +58,7 @@ export const getMockedSearchApi = ({
       rows: new BehaviorSubject<DataTableRecord[]>([]),
       totalHitCount: new BehaviorSubject<number | undefined>(0),
       columnsMeta: new BehaviorSubject<Record<string, DatatableColumnMeta> | undefined>(undefined),
+      inspectorAdapters: new BehaviorSubject<Adapters>({}),
     },
   };
 };

src/plugins/discover/public/embeddable/get_search_embeddable_factory.tsx

@@ -196,6 +196,7 @@ export const getSearchEmbeddableFactory = ({
               savedObjectId: savedObjectId$.getValue(),
               discoverServices,
             }),
+          getInspectorAdapters: () => searchEmbeddable.stateManager.inspectorAdapters.getValue(),
         },
         {
           ...titleComparators,

src/plugins/discover/public/embeddable/initialize_fetch.test.ts

@@ -69,6 +69,7 @@ describe('initialize fetch', () => {
       ].map((hit) => buildDataTableRecord(hit, dataViewMock))
     );
     expect(stateManager.totalHitCount.getValue()).toEqual(2);
+    expect(stateManager.inspectorAdapters.getValue().requests).toBeDefined();
   });
 
   it('should catch and emit error', async () => {

src/plugins/discover/public/embeddable/initialize_fetch.ts

@@ -90,7 +90,7 @@ export function initializeFetch({
   stateManager: SearchEmbeddableStateManager;
   discoverServices: DiscoverServices;
 }) {
-  const requestAdapter = new RequestAdapter();
+  const inspectorAdapters = { requests: new RequestAdapter() };
   let abortController: AbortController | undefined;
 
   const fetchSubscription = combineLatest([fetch$(api), api.savedSearch$, api.dataViews])
@@ -127,7 +127,7 @@ export function initializeFetch({
         const searchSourceQuery = savedSearch.searchSource.getField('query');
 
         // Log request to inspector
-        requestAdapter.reset();
+        inspectorAdapters.requests.reset();
 
         try {
           api.dataLoading.next(true);
@@ -156,7 +156,7 @@ export function initializeFetch({
               filters: fetchContext.filters,
               dataView,
               abortSignal: currentAbortController.signal,
-              inspectorAdapters: discoverServices.inspector,
+              inspectorAdapters,
               data: discoverServices.data,
               expressions: discoverServices.expressions,
               profilesManager: discoverServices.profilesManager,
@@ -181,9 +181,9 @@ export function initializeFetch({
               abortSignal: currentAbortController.signal,
               sessionId: searchSessionId,
               inspector: {
-                adapter: requestAdapter,
-                title: i18n.translate('discover.embeddable.inspectorRequestDataTitle', {
-                  defaultMessage: 'Data',
+                adapter: inspectorAdapters.requests,
+                title: i18n.translate('discover.embeddable.inspectorTableRequestTitle', {
+                  defaultMessage: 'Table',
                 }),
                 description: i18n.translate('discover.embeddable.inspectorRequestDescription', {
                   defaultMessage:
@@ -195,7 +195,7 @@ export function initializeFetch({
             })
           );
           const interceptedWarnings: SearchResponseWarning[] = [];
-          discoverServices.data.search.showWarnings(requestAdapter, (warning) => {
+          discoverServices.data.search.showWarnings(inspectorAdapters.requests, (warning) => {
             interceptedWarnings.push(warning);
             return true; // suppress the default behaviour
           });
@@ -225,6 +225,8 @@ export function initializeFetch({
 
       stateManager.rows.next(next.rows ?? []);
       stateManager.totalHitCount.next(next.hitCount);
+      stateManager.inspectorAdapters.next(inspectorAdapters);
+
       api.fetchWarnings$.next(next.warnings ?? []);
       api.fetchContext$.next(next.fetchContext);
       if (Object.hasOwn(next, 'columnsMeta')) {

src/plugins/discover/public/embeddable/initialize_search_embeddable_api.tsx

@@ -10,7 +10,7 @@
 import { pick } from 'lodash';
 import deepEqual from 'react-fast-compare';
 import { BehaviorSubject, combineLatest, map, Observable, skip } from 'rxjs';
-
+import type { Adapters } from '@kbn/inspector-plugin/common';
 import { ISearchSource, SerializedSearchSourceFields } from '@kbn/data-plugin/common';
 import { DataView } from '@kbn/data-views-plugin/common';
 import { DataTableRecord } from '@kbn/discover-utils/types';
@@ -116,6 +116,7 @@ export const initializeSearchEmbeddableApi = async (
   const rows$ = new BehaviorSubject<DataTableRecord[]>([]);
   const columnsMeta$ = new BehaviorSubject<DataTableColumnsMeta | undefined>(undefined);
   const totalHitCount$ = new BehaviorSubject<number | undefined>(undefined);
+  const inspectorAdapters$ = new BehaviorSubject<Adapters>({});
 
   /**
    * The state manager is used to modify the state of the saved search - this should never be
@@ -134,6 +135,7 @@ export const initializeSearchEmbeddableApi = async (
     totalHitCount: totalHitCount$,
     viewMode: savedSearchViewMode$,
     density: density$,
+    inspectorAdapters: inspectorAdapters$,
   };
 
   /** The saved search should be the source of truth for all state  */

src/plugins/discover/public/embeddable/types.ts

@@ -9,6 +9,7 @@
 
 import { DataTableRecord } from '@kbn/discover-utils/types';
 import type { DefaultEmbeddableApi } from '@kbn/embeddable-plugin/public';
+import { HasInspectorAdapters } from '@kbn/inspector-plugin/public';
 import {
   EmbeddableApiContext,
   HasEditCapabilities,
@@ -47,6 +48,7 @@ export type SearchEmbeddableState = Pick<
   rows: DataTableRecord[];
   columnsMeta: DataTableColumnsMeta | undefined;
   totalHitCount: number | undefined;
+  inspectorAdapters: Record<string, unknown>;
 };
 
 export type SearchEmbeddableStateManager = {
@@ -55,7 +57,7 @@ export type SearchEmbeddableStateManager = {
 
 export type SearchEmbeddableSerializedAttributes = Omit<
   SearchEmbeddableState,
-  'rows' | 'columnsMeta' | 'totalHitCount' | 'searchSource'
+  'rows' | 'columnsMeta' | 'totalHitCount' | 'searchSource' | 'inspectorAdapters'
 > &
   Pick<SerializableSavedSearch, 'serializedSearchSource'>;
 
@@ -98,6 +100,7 @@ export type SearchEmbeddableApi = DefaultEmbeddableApi<
   PublishesWritableUnifiedSearch &
   HasInPlaceLibraryTransforms &
   HasTimeRange &
+  HasInspectorAdapters &
   Partial<HasEditCapabilities & PublishesSavedObjectId>;
 
 export interface PublishesSavedSearch {

x-pack/plugins/translations/translations/fr-FR.json

@@ -2600,7 +2600,6 @@
     "discover.documentsAriaLabel": "Documents",
     "discover.docViews.logsOverview.title": "Aperçu du log",
     "discover.dropZoneTableLabel": "Abandonner la zone pour ajouter un champ en tant que colonne dans la table",
-    "discover.embeddable.inspectorRequestDataTitle": "Données",
     "discover.embeddable.inspectorRequestDescription": "Cette requête interroge Elasticsearch afin de récupérer les données pour la recherche.",
     "discover.embeddable.search.dataViewError": "Vue de données {indexPatternId} manquante",
     "discover.embeddable.search.displayName": "rechercher",

x-pack/plugins/translations/translations/ja-JP.json

@@ -2599,7 +2599,6 @@
     "discover.documentsAriaLabel": "ドキュメント",
     "discover.docViews.logsOverview.title": "ログ概要",
     "discover.dropZoneTableLabel": "フィールドを列として表に追加するには、ゾーンをドロップします",
-    "discover.embeddable.inspectorRequestDataTitle": "データ",
     "discover.embeddable.inspectorRequestDescription": "このリクエストはElasticsearchにクエリーをかけ、検索データを取得します。",
     "discover.embeddable.search.dataViewError": "データビュー{indexPatternId}が見つかりません",
     "discover.embeddable.search.displayName": "検索",

x-pack/plugins/translations/translations/zh-CN.json

@@ -2590,7 +2590,6 @@
     "discover.documentsAriaLabel": "文档",
     "discover.docViews.logsOverview.title": "日志概览",
     "discover.dropZoneTableLabel": "放置区域以将字段作为列添加到表中",
-    "discover.embeddable.inspectorRequestDataTitle": "数据",
     "discover.embeddable.inspectorRequestDescription": "此请求将查询 Elasticsearch 以获取搜索的数据。",
     "discover.embeddable.search.dataViewError": "缺少数据视图 {indexPatternId}",
     "discover.embeddable.search.displayName": "搜索",