[Obs AI Assistant] Use preconfigured Elser inference endpoint

x-pack/packages/kbn-ai-assistant/src/chat/chat_actions_menu.tsx

@@ -18,7 +18,7 @@ import {
 import { ConnectorSelectorBase } from '@kbn/observability-ai-assistant-plugin/public';
 import type { UseGenAIConnectorsResult } from '../hooks/use_genai_connectors';
 import { useKibana } from '../hooks/use_kibana';
-import { useKnowledgeBase } from '../hooks';
+import { useKnowledgeBaseStatus } from '../hooks';
 
 export function ChatActionsMenu({
   connectors,
@@ -32,7 +32,7 @@ export function ChatActionsMenu({
   onCopyConversationClick: () => void;
 }) {
   const { application, http } = useKibana().services;
-  const knowledgeBase = useKnowledgeBase();
+  const knowledgeBase = useKnowledgeBaseStatus();
   const [isOpen, setIsOpen] = useState(false);
 
   const handleNavigateToConnectors = () => {

x-pack/packages/kbn-ai-assistant/src/chat/chat_body.stories.tsx

@@ -32,18 +32,6 @@ const defaultProps: ComponentStoryObj<typeof Component> = {
         },
       },
     ],
-    knowledgeBase: {
-      status: {
-        loading: false,
-        value: {
-          ready: true,
-          enabled: true,
-        },
-        refresh: () => {},
-      },
-      isInstalling: false,
-      install: async () => {},
-    },
     connectors: {
       connectors: [
         {

x-pack/packages/kbn-ai-assistant/src/chat/chat_body.tsx

@@ -31,7 +31,6 @@ import type { AuthenticatedUser } from '@kbn/security-plugin/common';
 import { euiThemeVars } from '@kbn/ui-theme';
 import { findLastIndex } from 'lodash';
 import React, { useCallback, useEffect, useRef, useState } from 'react';
-import type { UseKnowledgeBaseResult } from '../hooks/use_knowledge_base';
 import { ASSISTANT_SETUP_TITLE, EMPTY_CONVERSATION_TITLE, UPGRADE_LICENSE_TITLE } from '../i18n';
 import { useAIAssistantChatService } from '../hooks/use_ai_assistant_chat_service';
 import { useSimulatedFunctionCalling } from '../hooks/use_simulated_function_calling';
@@ -107,7 +106,6 @@ export function ChatBody({
   initialConversationId,
   initialMessages,
   initialTitle,
-  knowledgeBase,
   showLinkToConversationsApp,
   onConversationUpdate,
   onToggleFlyoutPositionMode,
@@ -119,7 +117,6 @@ export function ChatBody({
   initialTitle?: string;
   initialMessages?: Message[];
   initialConversationId?: string;
-  knowledgeBase: UseKnowledgeBaseResult;
   showLinkToConversationsApp: boolean;
   onConversationUpdate: (conversation: { conversation: Conversation['conversation'] }) => void;
   onToggleFlyoutPositionMode?: (flyoutPositionMode: FlyoutPositionMode) => void;
@@ -148,10 +145,7 @@ export function ChatBody({
   let footer: React.ReactNode;
 
   const isLoading = Boolean(
-    connectors.loading ||
-      knowledgeBase.status.loading ||
-      state === ChatState.Loading ||
-      conversation.loading
+    connectors.loading || state === ChatState.Loading || conversation.loading
   );
 
   let title = conversation.value?.conversation.title || initialTitle;
@@ -352,7 +346,6 @@ export function ChatBody({
               {connectors.connectors?.length === 0 || messages.length === 1 ? (
                 <WelcomeMessage
                   connectors={connectors}
-                  knowledgeBase={knowledgeBase}
                   onSelectPrompt={(message) =>
                     next(
                       messages.concat([
@@ -367,7 +360,6 @@ export function ChatBody({
               ) : (
                 <ChatTimeline
                   messages={messages}
-                  knowledgeBase={knowledgeBase}
                   chatService={chatService}
                   currentUser={currentUser}
                   chatState={state}

x-pack/packages/kbn-ai-assistant/src/chat/chat_flyout.tsx

@@ -27,7 +27,6 @@ import { ChatBody } from './chat_body';
 import { ChatInlineEditingContent } from './chat_inline_edit';
 import { ConversationList } from './conversation_list';
 import { useKibana } from '../hooks/use_kibana';
-import { useKnowledgeBase } from '../hooks/use_knowledge_base';
 import { NewChatButton } from '../buttons/new_chat_button';
 
 const CONVERSATIONS_SIDEBAR_WIDTH = 260;
@@ -64,8 +63,6 @@ export function ChatFlyout({
 
   const connectors = useGenAIConnectors();
 
-  const knowledgeBase = useKnowledgeBase();
-
   const [conversationId, setConversationId] = useState<string | undefined>(undefined);
 
   const [flyoutPositionMode, setFlyoutPositionMode] = useState<FlyoutPositionMode>(
@@ -266,7 +263,6 @@ export function ChatFlyout({
               initialTitle={initialTitle}
               initialMessages={initialMessages}
               initialConversationId={conversationId}
-              knowledgeBase={knowledgeBase}
               showLinkToConversationsApp
               onConversationUpdate={(conversation) => {
                 if (!conversationId) {

x-pack/packages/kbn-ai-assistant/src/chat/chat_timeline.stories.tsx

@@ -53,19 +53,6 @@ const Template: ComponentStory<typeof Component> = (props: ChatTimelineProps) =>
 };
 
 const defaultProps: ComponentProps<typeof Component> = {
-  knowledgeBase: {
-    status: {
-      loading: false,
-      value: {
-        ready: true,
-        enabled: true,
-      },
-      refresh: () => {},
-    },
-    isInstalling: false,
-    installError: undefined,
-    install: async () => {},
-  },
   chatService: {
     hasRenderFunction: () => false,
   } as unknown as ObservabilityAIAssistantChatService,

x-pack/packages/kbn-ai-assistant/src/chat/chat_timeline.tsx

@@ -18,7 +18,6 @@ import {
   type ObservabilityAIAssistantChatService,
   type TelemetryEventTypeWithPayload,
 } from '@kbn/observability-ai-assistant-plugin/public';
-import type { UseKnowledgeBaseResult } from '../hooks/use_knowledge_base';
 import { ChatItem } from './chat_item';
 import { ChatConsolidatedItems } from './chat_consolidated_items';
 import { getTimelineItemsfromConversation } from '../utils/get_timeline_items_from_conversation';
@@ -47,7 +46,6 @@ export interface ChatTimelineItem
 
 export interface ChatTimelineProps {
   messages: Message[];
-  knowledgeBase: UseKnowledgeBaseResult;
   chatService: ObservabilityAIAssistantChatService;
   hasConnector: boolean;
   chatState: ChatState;

x-pack/packages/kbn-ai-assistant/src/chat/welcome_message.tsx

@@ -11,11 +11,9 @@ import { EuiFlexGroup, EuiFlexItem, EuiSpacer, useCurrentEuiBreakpoint } from '@
 import type { ActionConnector } from '@kbn/triggers-actions-ui-plugin/public';
 import { GenerativeAIForObservabilityConnectorFeatureId } from '@kbn/actions-plugin/common';
 import { isSupportedConnectorType } from '@kbn/observability-ai-assistant-plugin/public';
-import type { UseKnowledgeBaseResult } from '../hooks/use_knowledge_base';
 import type { UseGenAIConnectorsResult } from '../hooks/use_genai_connectors';
 import { Disclaimer } from './disclaimer';
 import { WelcomeMessageConnectors } from './welcome_message_connectors';
-import { WelcomeMessageKnowledgeBase } from './welcome_message_knowledge_base';
 import { StarterPrompts } from './starter_prompts';
 import { useKibana } from '../hooks/use_kibana';
 
@@ -30,11 +28,9 @@ const centerMaxWidthClassName = css`
 
 export function WelcomeMessage({
   connectors,
-  knowledgeBase,
   onSelectPrompt,
 }: {
   connectors: UseGenAIConnectorsResult;
-  knowledgeBase: UseKnowledgeBaseResult;
   onSelectPrompt: (prompt: string) => void;
 }) {
   const breakpoint = useCurrentEuiBreakpoint();
@@ -59,10 +55,6 @@ export function WelcomeMessage({
     if (isSupportedConnectorType(createdConnector.actionTypeId)) {
       connectors.reloadConnectors();
     }
-
-    if (!knowledgeBase.status.value || knowledgeBase.status.value?.ready === false) {
-      knowledgeBase.install();
-    }
   };
 
   const ConnectorFlyout = useMemo(
@@ -85,9 +77,6 @@ export function WelcomeMessage({
             connectors={connectors}
             onSetupConnectorClick={handleConnectorClick}
           />
-          {knowledgeBase.status.value?.enabled ? (
-            <WelcomeMessageKnowledgeBase connectors={connectors} knowledgeBase={knowledgeBase} />
-          ) : null}
         </EuiFlexItem>
 
         <EuiFlexItem grow={false}>