[Security Assistant] Fix error handling on new chat

x-pack/packages/kbn-langchain/server/language_models/chat_openai.ts

@@ -147,7 +147,13 @@ export class ActionsClientChatOpenAI extends ChatOpenAI {
       const actionResult = await this.#actionsClient.execute(requestBody);
 
       if (actionResult.status === 'error') {
-        throw new Error(`${LLM_TYPE}: ${actionResult?.message} - ${actionResult?.serviceMessage}`);
+        const error = new Error(
+          `${LLM_TYPE}: ${actionResult?.message} - ${actionResult?.serviceMessage}`
+        );
+        if (actionResult?.serviceMessage) {
+          error.name = actionResult?.serviceMessage;
+        }
+        throw error;
       }
 
       if (!this.streaming) {

x-pack/packages/kbn-langchain/server/language_models/chat_vertex/chat_vertex.ts

@@ -98,11 +98,14 @@ export class ActionsClientChatVertexAI extends ChatVertexAI {
       };
 
       const actionResult = await this.#actionsClient.execute(requestBody);
-
       if (actionResult.status === 'error') {
-        throw new Error(
+        const error = new Error(
           `ActionsClientChatVertexAI: action result status is error: ${actionResult?.message} - ${actionResult?.serviceMessage}`
         );
+        if (actionResult?.serviceMessage) {
+          error.name = actionResult?.serviceMessage;
+        }
+        throw error;
       }
 
       const readable = get('data', actionResult) as Readable;

x-pack/packages/kbn-langchain/server/language_models/chat_vertex/connection.ts

@@ -93,9 +93,13 @@ export class ActionsClientChatConnection<Auth> extends ChatConnection<Auth> {
         };
 
         if (actionResult.status === 'error') {
-          throw new Error(
+          const error = new Error(
             `ActionsClientChatVertexAI: action result status is error: ${actionResult?.message} - ${actionResult?.serviceMessage}`
           );
+          if (actionResult?.serviceMessage) {
+            error.name = actionResult?.serviceMessage;
+          }
+          throw error;
         }
 
         if (actionResult.data.candidates && actionResult.data.candidates.length > 0) {

x-pack/packages/kbn-langchain/server/language_models/gemini_chat.ts

@@ -87,9 +87,13 @@ export class ActionsClientGeminiChatModel extends ChatGoogleGenerativeAI {
         };
 
         if (actionResult.status === 'error') {
-          throw new Error(
+          const error = new Error(
             `ActionsClientGeminiChatModel: action result status is error: ${actionResult?.message} - ${actionResult?.serviceMessage}`
           );
+          if (actionResult?.serviceMessage) {
+            error.name = actionResult?.serviceMessage;
+          }
+          throw error;
         }
 
         if (actionResult.data.candidates && actionResult.data.candidates.length > 0) {
@@ -162,9 +166,13 @@ export class ActionsClientGeminiChatModel extends ChatGoogleGenerativeAI {
       const actionResult = await this.#actionsClient.execute(requestBody);
 
       if (actionResult.status === 'error') {
-        throw new Error(
+        const error = new Error(
           `ActionsClientGeminiChatModel: action result status is error: ${actionResult?.message} - ${actionResult?.serviceMessage}`
         );
+        if (actionResult?.serviceMessage) {
+          error.name = actionResult?.serviceMessage;
+        }
+        throw error;
       }
 
       const readable = get('data', actionResult) as Readable;

x-pack/packages/kbn-langchain/server/language_models/llm.ts

@@ -108,9 +108,13 @@ export class ActionsClientLlm extends LLM {
     const actionResult = await this.#actionsClient.execute(requestBody);
 
     if (actionResult.status === 'error') {
-      throw new Error(
+      const error = new Error(
         `${LLM_TYPE}: action result status is error: ${actionResult?.message} - ${actionResult?.serviceMessage}`
       );
+      if (actionResult?.serviceMessage) {
+        error.name = actionResult?.serviceMessage;
+      }
+      throw error;
     }
 
     const content = get('data.message', actionResult);

x-pack/packages/kbn-langchain/server/language_models/simple_chat_model.ts

@@ -127,9 +127,13 @@ export class ActionsClientSimpleChatModel extends SimpleChatModel {
     const actionResult = await this.#actionsClient.execute(requestBody);
 
     if (actionResult.status === 'error') {
-      throw new Error(
+      const error = new Error(
         `ActionsClientSimpleChatModel: action result status is error: ${actionResult?.message} - ${actionResult?.serviceMessage}`
       );
+      if (actionResult?.serviceMessage) {
+        error.name = actionResult?.serviceMessage;
+      }
+      throw error;
     }
 
     if (!this.streaming) {
@@ -217,9 +221,13 @@ export class ActionsClientSimpleChatModel extends SimpleChatModel {
     const actionResult = await this.#actionsClient.execute(requestBody);
 
     if (actionResult.status === 'error') {
-      throw new Error(
+      const error = new Error(
         `ActionsClientSimpleChatModel: action result status is error: ${actionResult?.message} - ${actionResult?.serviceMessage}`
       );
+      if (actionResult?.serviceMessage) {
+        error.name = actionResult?.serviceMessage;
+      }
+      throw error;
     }
 
     const readable = get('data', actionResult) as Readable;

x-pack/plugins/elastic_assistant/server/lib/langchain/graphs/default_assistant_graph/nodes/generate_chat_title.ts

@@ -58,22 +58,31 @@ export async function generateChatTitle({
   state,
   model,
 }: GenerateChatTitleParams): Promise<Partial<AgentState>> {
-  logger.debug(
-    () => `${NodeType.GENERATE_CHAT_TITLE}: Node state:\n${JSON.stringify(state, null, 2)}`
-  );
+  try {
+    logger.debug(
+      () => `${NodeType.GENERATE_CHAT_TITLE}: Node state:\n${JSON.stringify(state, null, 2)}`
+    );
 
-  const outputParser = new StringOutputParser();
-  const graph = GENERATE_CHAT_TITLE_PROMPT(state.responseLanguage, state.llmType)
-    .pipe(model)
-    .pipe(outputParser);
+    const outputParser = new StringOutputParser();
+    const graph = GENERATE_CHAT_TITLE_PROMPT(state.responseLanguage, state.llmType)
+      .pipe(model)
+      .pipe(outputParser);
 
-  const chatTitle = await graph.invoke({
-    input: JSON.stringify(state.input, null, 2),
-  });
-  logger.debug(`chatTitle: ${chatTitle}`);
+    const chatTitle = await graph.invoke({
+      input: JSON.stringify(state.input, null, 2),
+    });
+    logger.debug(`chatTitle: ${chatTitle}`);
 
-  return {
-    chatTitle,
-    lastNode: NodeType.GENERATE_CHAT_TITLE,
-  };
+    return {
+      chatTitle,
+      lastNode: NodeType.GENERATE_CHAT_TITLE,
+    };
+  } catch (e) {
+    return {
+      // generate a chat title if there is an error in order to complete the graph
+      // limit title to 60 characters
+      chatTitle: (e.name ?? e.message ?? e.toString()).slice(0, 60),
+      lastNode: NodeType.GENERATE_CHAT_TITLE,
+    };
+  }
 }

x-pack/test/security_solution_cypress/cypress/e2e/ai_assistant/conversations.cy.ts

@@ -19,6 +19,7 @@ import {
   createNewChat,
   selectConversation,
   assertMessageSent,
+  assertConversationTitle,
   typeAndSendMessage,
   assertErrorResponse,
   selectRule,
@@ -145,18 +146,16 @@ describe('AI Assistant Conversations', { tags: ['@ess', '@serverless'] }, () =>
       assertConnectorSelected(bedrockConnectorAPIPayload.name);
       assertMessageSent('goodbye');
     });
-    // This test is flakey due to the issue linked below and will be skipped until it is fixed
-    it.skip('Only allows one conversation called "New chat" at a time', () => {
+    it('Correctly titles new conversations, and only allows one conversation called "New chat" at a time', () => {
       visitGetStartedPage();
       openAssistant();
       createNewChat();
       assertNewConversation(false, 'New chat');
       assertConnectorSelected(azureConnectorAPIPayload.name);
       typeAndSendMessage('hello');
-      // TODO fix bug with new chat and error message
-      // https://github.com/elastic/kibana/issues/191025
-      // assertMessageSent('hello');
-      assertErrorResponse();
+      assertMessageSent('hello');
+      assertConversationTitle('Unexpected API Error:  - Connection error.');
+      updateConversationTitle('New chat');
       selectConversation('Welcome');
       createNewChat();
       assertErrorToastShown('Error creating conversation with title New chat');

x-pack/test/security_solution_cypress/cypress/tasks/assistant.ts

@@ -86,7 +86,7 @@ export const resetConversation = () => {
 export const selectConversation = (conversationName: string) => {
   cy.get(FLYOUT_NAV_TOGGLE).click();
   cy.get(CONVERSATION_SELECT(conversationName)).click();
-  cy.get(CONVERSATION_TITLE + ' h2').should('have.text', conversationName);
+  assertConversationTitle(conversationName);
   cy.get(FLYOUT_NAV_TOGGLE).click();
 };
 
@@ -95,7 +95,7 @@ export const updateConversationTitle = (newTitle: string) => {
   cy.get(CONVERSATION_TITLE + ' input').clear();
   cy.get(CONVERSATION_TITLE + ' input').type(newTitle);
   cy.get(CONVERSATION_TITLE + ' input').type('{enter}');
-  cy.get(CONVERSATION_TITLE + ' h2').should('have.text', newTitle);
+  assertConversationTitle(newTitle);
 };
 
 export const typeAndSendMessage = (message: string) => {
@@ -171,9 +171,12 @@ export const assertNewConversation = (isWelcome: boolean, title: string) => {
   } else {
     cy.get(EMPTY_CONVO).should('be.visible');
   }
-  cy.get(CONVERSATION_TITLE + ' h2').should('have.text', title);
+  assertConversationTitle(title);
 };
 
+export const assertConversationTitle = (title: string) =>
+  cy.get(CONVERSATION_TITLE + ' h2').should('have.text', title);
+
 export const assertSystemPromptSent = (message: string) => {
   cy.get(CONVERSATION_MESSAGE).eq(0).should('contain', message);
 };