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fix(ai-assistant): clear LLM history on restart chat #3262

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Merged
igorDykhta merged 2 commits into from
Dec 24, 2025
Merged

fix(ai-assistant): clear LLM history on restart chat #3262

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2de05ac
Fix AI Assistant restart to prevent token waste
akashrai2003 Dec 17, 2025
7077754
fix: remove unnecessary useEffect for ref assignment
akashrai2003 Dec 17, 2025
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21 changes: 17 additions & 4 deletions src/ai-assistant/src/components/ai-assistant-component.tsx
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
// SPDX-License-Identifier: MIT
// Copyright contributors to the kepler.gl project

import React, {useEffect, useState} from 'react';
import React, {useEffect, useRef, useState} from 'react';
import {useDispatch, useSelector} from 'react-redux';
import styled from 'styled-components';
import {textColorLT, theme} from '@kepler.gl/styles';
Expand Down Expand Up @@ -59,6 +59,8 @@ export function AiAssistantComponent() {

const [ideas, setIdeas] = useState<{title: string; description: string}[]>([]);

const [restartKey, setRestartKey] = useState<number>(0);

// get dataset meta data and re-initialize assistant when datasets or layers change
useEffect(() => {
const metaData = getDatasetContext(visState?.datasets, visState?.layers || []);
Expand All @@ -70,7 +72,10 @@ export function AiAssistantComponent() {
const instructions = `${INSTRUCTIONS}\n\n${datasetMetaData}`;

// generate ideas from LLM
const {temporaryPrompt} = useAssistant({...assistantProps, instructions});
const {temporaryPrompt, restartChat: libraryRestartChat} = useAssistant({...assistantProps, instructions});

const restartChatRef = useRef(libraryRestartChat);
restartChatRef.current = libraryRestartChat;

const generateIdeas = async () => {
try {
Expand All @@ -97,9 +102,16 @@ export function AiAssistantComponent() {
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [datasetMetaData]);

const onRestartAssistant = () => {
// clean up aiAssistant state
const onRestartAssistant = async () => {
dispatch(updateAiAssistantMessages([]));

try {
await restartChatRef.current();
} catch (e) {
console.error('Error restarting chat:', e);
}

setRestartKey(prev => prev + 1);
};

const onMessagesUpdated = (messages: MessageModel[]) => {
Expand All @@ -117,6 +129,7 @@ export function AiAssistantComponent() {
return (
<StyledAiAssistantComponent className="ai-assistant-component">
<AiAssistant
key={restartKey}
{...assistantProps}
instructions={instructions}
theme={theme.textColor === textColorLT ? 'light' : 'dark'}
Expand Down