[Search] Search assistant plugin setup (#190633)

## Summary

Introducing new plugin for search assistant. in the future this will be
extension of Observability AI solution solution
[plugin](https://github.com/elastic/kibana/tree/main/x-pack/plugins/observability_solution/observability_ai_assistant)

### Checklist

Delete any items that are not applicable to this PR.

- [ ] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)

---------

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>
Co-authored-by: Sander Philipse <sander.philipse@elastic.co>

.github/CODEOWNERS

@@ -733,6 +733,7 @@ src/plugins/screenshot_mode @elastic/appex-sharedux
 x-pack/examples/screenshotting_example @elastic/appex-sharedux
 x-pack/plugins/screenshotting @elastic/kibana-reporting-services
 packages/kbn-search-api-panels @elastic/search-kibana
+x-pack/plugins/search_assistant @elastic/search-kibana
 packages/kbn-search-connectors @elastic/search-kibana
 x-pack/plugins/search_connectors @elastic/search-kibana
 packages/kbn-search-errors @elastic/kibana-data-discovery

docs/developer/plugin-list.asciidoc

@@ -795,6 +795,10 @@ Elastic.
 It uses Chromium and Puppeteer underneath to run the browser in headless mode.
 
 
+|{kib-repo}blob/{branch}/x-pack/plugins/search_assistant/README.md[searchAssistant]
+|This holds the Search AI Assistant which targets Search users and Serverless Elasticsearch.
+
+
 |{kib-repo}blob/{branch}/x-pack/plugins/search_connectors/README.mdx[searchConnectors]
 |This plugin contains common assets and endpoints for the use of connectors in Kibana. Primarily used by the enterprise_search and serverless_search plugins.
 

package.json

@@ -751,6 +751,7 @@
     "@kbn/screenshotting-example-plugin": "link:x-pack/examples/screenshotting_example",
     "@kbn/screenshotting-plugin": "link:x-pack/plugins/screenshotting",
     "@kbn/search-api-panels": "link:packages/kbn-search-api-panels",
+    "@kbn/search-assistant": "link:x-pack/plugins/search_assistant",
     "@kbn/search-connectors": "link:packages/kbn-search-connectors",
     "@kbn/search-connectors-plugin": "link:x-pack/plugins/search_connectors",
     "@kbn/search-errors": "link:packages/kbn-search-errors",

packages/kbn-optimizer/limits.yml

@@ -136,6 +136,7 @@ pageLoadAssetSize:
   savedSearch: 16225
   screenshotMode: 17856
   screenshotting: 22870
+  searchAssistant: 19831
   searchConnectors: 30000
   searchHomepage: 19831
   searchInferenceEndpoints: 20470

tsconfig.base.json

@@ -1460,6 +1460,8 @@
       "@kbn/screenshotting-plugin/*": ["x-pack/plugins/screenshotting/*"],
       "@kbn/search-api-panels": ["packages/kbn-search-api-panels"],
       "@kbn/search-api-panels/*": ["packages/kbn-search-api-panels/*"],
+      "@kbn/search-assistant": ["x-pack/plugins/search_assistant"],
+      "@kbn/search-assistant/*": ["x-pack/plugins/search_assistant/*"],
       "@kbn/search-connectors": ["packages/kbn-search-connectors"],
       "@kbn/search-connectors/*": ["packages/kbn-search-connectors/*"],
       "@kbn/search-connectors-plugin": ["x-pack/plugins/search_connectors"],

x-pack/.i18nrc.json

@@ -105,6 +105,7 @@
     "xpack.searchNotebooks": "plugins/search_notebooks",
     "xpack.searchPlayground": "plugins/search_playground",
     "xpack.searchInferenceEndpoints": "plugins/search_inference_endpoints",
+    "xpack.searchAssistant": "plugins/search_assistant",
     "xpack.searchProfiler": "plugins/searchprofiler",
     "xpack.security": ["plugins/security", "packages/security"],
     "xpack.server": "legacy/server",

x-pack/plugins/search_assistant/README.md

@@ -0,0 +1,3 @@
+# SearchAssistant
+
+This holds the Search AI Assistant which targets Search users and Serverless Elasticsearch.

x-pack/plugins/search_assistant/common/index.ts

@@ -0,0 +1,8 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+export const PLUGIN_ID = 'searchAssistant';
+export const PLUGIN_NAME = 'searchAssistant';

x-pack/plugins/search_assistant/kibana.jsonc

@@ -0,0 +1,24 @@
+{
+  "type": "plugin",
+  "id": "@kbn/search-assistant",
+  "owner": "@elastic/search-kibana",
+  "description": "AI Assistant for Search",
+  "plugin": {
+    "id": "searchAssistant",
+    "server": true,
+    "browser": true,
+    "configPath": [
+      "xpack",
+      "searchAssistant"
+    ],
+    "requiredPlugins": [
+      "observabilityAIAssistant",
+      "observabilityAIAssistantApp"
+    ],
+    "optionalPlugins": [
+      "cloud",
+      "usageCollection",
+    ],
+    "requiredBundles": []
+  }
+}

x-pack/plugins/search_assistant/public/application.tsx

@@ -0,0 +1,37 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import React from 'react';
+import ReactDOM from 'react-dom';
+import type { CoreStart } from '@kbn/core/public';
+import { KibanaRenderContextProvider } from '@kbn/react-kibana-context-render';
+import { KibanaContextProvider } from '@kbn/kibana-react-plugin/public';
+import { I18nProvider } from '@kbn/i18n-react';
+import { Router } from '@kbn/shared-ux-router';
+import type { SearchAssistantPluginStartDependencies } from './types';
+import { SearchAssistantRouter } from './router';
+
+export const renderApp = (
+  core: CoreStart,
+  services: SearchAssistantPluginStartDependencies,
+  element: HTMLElement
+) => {
+  ReactDOM.render(
+    <KibanaRenderContextProvider {...core}>
+      <KibanaContextProvider services={{ ...core, ...services }}>
+        <I18nProvider>
+          <Router history={services.history}>
+            <SearchAssistantRouter />
+          </Router>
+        </I18nProvider>
+      </KibanaContextProvider>
+    </KibanaRenderContextProvider>,
+    element
+  );
+
+  return () => ReactDOM.unmountComponentAtNode(element);
+};

x-pack/plugins/search_assistant/public/components/app.tsx

@@ -0,0 +1,15 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+import React from 'react';
+import { KibanaPageTemplate } from '@kbn/shared-ux-page-kibana-template';
+export const App: React.FC = () => {
+  return (
+    <KibanaPageTemplate.Section alignment="top" restrictWidth={false} grow paddingSize="none">
+      <div />
+    </KibanaPageTemplate.Section>
+  );
+};

x-pack/plugins/search_assistant/public/components/search_assistant.tsx

@@ -0,0 +1,24 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { EuiPageTemplate } from '@elastic/eui';
+import React from 'react';
+import { App } from './app';
+
+export const SearchAssistantPage: React.FC = () => {
+  return (
+    <EuiPageTemplate
+      offset={0}
+      restrictWidth={false}
+      data-test-subj="svlSearchAssistantPage"
+      grow={false}
+      panelled={false}
+    >
+      <App />
+    </EuiPageTemplate>
+  );
+};

x-pack/plugins/search_assistant/public/index.ts

@@ -0,0 +1,13 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { SearchAssistantPlugin } from './plugin';
+
+export function plugin() {
+  return new SearchAssistantPlugin();
+}
+export type { SearchAssistantPluginSetup, SearchAssistantPluginStart } from './types';

x-pack/plugins/search_assistant/public/plugin.ts

@@ -0,0 +1,29 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import type { CoreSetup, Plugin } from '@kbn/core/public';
+import type {
+  SearchAssistantPluginSetup,
+  SearchAssistantPluginStart,
+  SearchAssistantPluginStartDependencies,
+} from './types';
+
+export class SearchAssistantPlugin
+  implements Plugin<SearchAssistantPluginSetup, SearchAssistantPluginStart>
+{
+  public setup(
+    core: CoreSetup<SearchAssistantPluginStartDependencies, SearchAssistantPluginStart>
+  ): SearchAssistantPluginSetup {
+    return {};
+  }
+
+  public start(): SearchAssistantPluginStart {
+    return {};
+  }
+
+  public stop() {}
+}

x-pack/plugins/search_assistant/public/router.tsx

@@ -0,0 +1,20 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { Route, Routes } from '@kbn/shared-ux-router';
+import React from 'react';
+import { SearchAssistantPage } from './components/search_assistant';
+
+export const SearchAssistantRouter: React.FC = () => {
+  return (
+    <Routes>
+      <Route>
+        <SearchAssistantPage />
+      </Route>
+    </Routes>
+  );
+};

x-pack/plugins/search_assistant/public/types.ts

@@ -0,0 +1,22 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { AppMountParameters } from '@kbn/core/public';
+import { UsageCollectionStart } from '@kbn/usage-collection-plugin/public';
+import { ObservabilityAIAssistantPublicStart } from '@kbn/observability-ai-assistant-plugin/public';
+
+// eslint-disable-next-line @typescript-eslint/no-empty-interface
+export interface SearchAssistantPluginSetup {}
+
+// eslint-disable-next-line @typescript-eslint/no-empty-interface
+export interface SearchAssistantPluginStart {}
+
+export interface SearchAssistantPluginStartDependencies {
+  history: AppMountParameters['history'];
+  observabilityAIAssistant: ObservabilityAIAssistantPublicStart;
+  usageCollection?: UsageCollectionStart;
+}

x-pack/plugins/search_assistant/server/config.ts

@@ -0,0 +1,19 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { schema, TypeOf } from '@kbn/config-schema';
+import { PluginConfigDescriptor } from '@kbn/core/server';
+
+const configSchema = schema.object({
+  enabled: schema.boolean({ defaultValue: false }),
+});
+
+export type SearchAssistantConfig = TypeOf<typeof configSchema>;
+
+export const config: PluginConfigDescriptor<SearchAssistantConfig> = {
+  schema: configSchema,
+};

x-pack/plugins/search_assistant/server/index.ts

@@ -0,0 +1,15 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+import { SearchAssistantPlugin } from './plugin';
+
+export { config } from './config';
+
+export function plugin() {
+  return new SearchAssistantPlugin();
+}
+
+export type { SearchAssistantPluginSetup, SearchAssistantPluginStart } from './types';

x-pack/plugins/search_assistant/server/plugin.ts

@@ -0,0 +1,26 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import type { Plugin } from '@kbn/core/server';
+
+import type { SearchAssistantPluginSetup, SearchAssistantPluginStart } from './types';
+
+export class SearchAssistantPlugin
+  implements Plugin<SearchAssistantPluginSetup, SearchAssistantPluginStart>
+{
+  constructor() {}
+
+  public setup() {
+    return {};
+  }
+
+  public start() {
+    return {};
+  }
+
+  public stop() {}
+}

x-pack/plugins/search_assistant/server/types.ts

@@ -0,0 +1,11 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+// eslint-disable-next-line @typescript-eslint/no-empty-interface
+export interface SearchAssistantPluginSetup {}
+// eslint-disable-next-line @typescript-eslint/no-empty-interface
+export interface SearchAssistantPluginStart {}

x-pack/plugins/search_assistant/tsconfig.json

@@ -0,0 +1,28 @@
+{
+  "extends": "../../../tsconfig.base.json",
+  "compilerOptions": {
+    "outDir": "target/types"
+  },
+  "include": [
+    "index.ts",
+    "common/**/*.ts",
+    "public/**/*.ts",
+    "public/**/*.tsx",
+    "server/**/*.ts",
+    "../../typings/**/*"
+  ],
+  "kbn_references": [
+    "@kbn/core",
+    "@kbn/react-kibana-context-render",
+    "@kbn/kibana-react-plugin",
+    "@kbn/i18n-react",
+    "@kbn/shared-ux-router",
+    "@kbn/shared-ux-page-kibana-template",
+    "@kbn/usage-collection-plugin",
+    "@kbn/observability-ai-assistant-plugin",
+    "@kbn/config-schema"
+  ],
+  "exclude": [
+    "target/**/*",
+  ]
+}

yarn.lock

@@ -6216,6 +6216,10 @@
   version "0.0.0"
   uid ""
 
+"@kbn/search-assistant@link:x-pack/plugins/search_assistant":
+  version "0.0.0"
+  uid ""
+
 "@kbn/search-connectors-plugin@link:x-pack/plugins/search_connectors":
   version "0.0.0"
   uid ""