mirror of
https://github.com/SillyTavern/SillyTavern.git
synced 2025-06-05 21:59:27 +02:00
365 lines
13 KiB
JavaScript
365 lines
13 KiB
JavaScript
import { getStringHash, debounce } from "../../utils.js";
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import { getContext, getApiUrl } from "../../extensions.js";
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export { MODULE_NAME };
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const MODULE_NAME = '1_memory';
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const SETTINGS_KEY = 'extensions_memory_settings';
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const UPDATE_INTERVAL = 1000;
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let lastCharacterId = null;
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let lastGroupId = null;
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let lastChatId = null;
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let lastMessageHash = null;
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let lastMessageId = null;
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let inApiCall = false;
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const formatMemoryValue = (value) => value ? `[Context: "${value.trim()}"]` : '';
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const saveChatDebounced = debounce(() => getContext().saveChat(), 2000);
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const defaultSettings = {
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minLongMemory: 16,
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maxLongMemory: 512,
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longMemoryLength: 128,
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shortMemoryLength: 512,
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minShortMemory: 128,
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maxShortMemory: 2048,
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shortMemoryStep: 16,
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longMemoryStep: 8,
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repetitionPenaltyStep: 0.05,
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repetitionPenalty: 1.0,
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maxRepetitionPenalty: 2.0,
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minRepetitionPenalty: 1.0,
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temperature: 1.0,
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minTemperature: 0.1,
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maxTemperature: 2.0,
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temperatureStep: 0.05,
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lengthPenalty: 1,
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minLengthPenalty: 0,
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maxLengthPenalty: 2,
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lengthPenaltyStep: 0.05,
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memoryFrozen: false,
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};
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const settings = {
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shortMemoryLength: defaultSettings.shortMemoryLength,
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longMemoryLength: defaultSettings.longMemoryLength,
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repetitionPenalty: defaultSettings.repetitionPenalty,
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temperature: defaultSettings.temperature,
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lengthPenalty: defaultSettings.lengthPenalty,
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memoryFrozen: defaultSettings.memoryFrozen,
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}
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function saveSettings() {
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localStorage.setItem(SETTINGS_KEY, JSON.stringify(settings));
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}
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function loadSettings() {
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const savedSettings = JSON.parse(localStorage.getItem(SETTINGS_KEY));
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if (savedSettings) {
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Object.assign(settings, savedSettings);
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$('#memory_long_length').val(settings.longMemoryLength).trigger('input');
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$('#memory_short_length').val(settings.shortMemoryLength).trigger('input');
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$('#memory_repetition_penalty').val(settings.repetitionPenalty).trigger('input');
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$('#memory_temperature').val(settings.temperature).trigger('input');
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$('#memory_length_penalty').val(settings.lengthPenalty).trigger('input');
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$('#memory_frozen').prop('checked', settings.memoryFrozen).trigger('input');
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}
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}
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function onMemoryShortInput() {
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const value = $(this).val();
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settings.shortMemoryLength = Number(value);
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$('#memory_short_length_tokens').text(value);
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saveSettings();
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// Don't let long buffer be bigger than short
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if (settings.longMemoryLength > settings.shortMemoryLength) {
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$('#memory_long_length').val(settings.shortMemoryLength).trigger('input');
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}
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}
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function onMemoryLongInput() {
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const value = $(this).val();
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settings.longMemoryLength = Number(value);
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$('#memory_long_length_tokens').text(value);
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saveSettings();
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// Don't let long buffer be bigger than short
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if (settings.longMemoryLength > settings.shortMemoryLength) {
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$('#memory_short_length').val(settings.longMemoryLength).trigger('input');
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}
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}
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function onMemoryRepetitionPenaltyInput() {
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const value = $(this).val();
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settings.repetitionPenalty = Number(value);
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$('#memory_repetition_penalty_value').text(settings.repetitionPenalty.toFixed(2));
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saveSettings();
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}
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function onMemoryTemperatureInput() {
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const value = $(this).val();
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settings.temperature = Number(value);
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$('#memory_temperature_value').text(settings.temperature.toFixed(2));
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saveSettings();
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}
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function onMemoryLengthPenaltyInput() {
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const value = $(this).val();
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settings.lengthPenalty = Number(value);
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$('#memory_length_penalty_value').text(settings.lengthPenalty.toFixed(2));
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saveSettings();
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}
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function onMemoryFrozenInput() {
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const value = Boolean($(this).prop('checked'));
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settings.memoryFrozen = value;
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saveSettings();
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}
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function saveLastValues() {
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const context = getContext();
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lastGroupId = context.groupId;
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lastCharacterId = context.characterId;
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lastChatId = context.chatId;
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lastMessageId = context.chat?.length ?? null;
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lastMessageHash = getStringHash((context.chat.length && context.chat[context.chat.length - 1]['mes']) ?? '');
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}
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function getLatestMemoryFromChat(chat) {
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if (!Array.isArray(chat) || !chat.length) {
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return '';
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}
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const reversedChat = chat.slice().reverse();
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for (let mes of reversedChat) {
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if (mes.extra && mes.extra.memory) {
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return mes.extra.memory;
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}
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}
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return '';
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}
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async function moduleWorker() {
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const context = getContext();
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const chat = context.chat;
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// no characters or group selected
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if (!context.groupId && !context.characterId) {
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return;
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}
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// Chat/character/group changed
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if ((context.groupId && lastGroupId !== context.groupId) || (context.characterId !== lastCharacterId) || (context.chatId !== lastChatId)) {
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const latestMemory = getLatestMemoryFromChat(chat);
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setMemoryContext(latestMemory, false);
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saveLastValues();
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return;
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}
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// Currently summarizing or frozen state - skip
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if (inApiCall || settings.memoryFrozen) {
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return;
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}
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// No new messages - do nothing
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if (lastMessageId === chat.length && getStringHash(chat[chat.length - 1].mes) === lastMessageHash) {
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return;
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}
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// Messages has been deleted - rewrite the context with the latest available memory
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if (chat.length < lastMessageId) {
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const latestMemory = getLatestMemoryFromChat(chat);
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setMemoryContext(latestMemory, false);
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}
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// Message has been edited / regenerated - delete the saved memory
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if (chat.length
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&& chat[chat.length - 1].extra
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&& chat[chat.length - 1].extra.memory
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&& lastMessageId === chat.length
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&& getStringHash(chat[chat.length - 1].mes) !== lastMessageHash) {
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delete chat[chat.length - 1].extra.memory;
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}
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try {
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await summarizeChat(context);
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}
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catch (error) {
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console.log(error);
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}
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finally {
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saveLastValues();
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}
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}
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async function summarizeChat(context) {
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function getMemoryString() {
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return (longMemory + '\n\n' + memoryBuffer.slice().reverse().join('\n\n')).trim();
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}
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const chat = context.chat;
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const longMemory = getLatestMemoryFromChat(chat);
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const reversedChat = chat.slice().reverse();
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let memoryBuffer = [];
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for (let mes of reversedChat) {
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// we reached the point of latest memory
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if (longMemory && mes.extra && mes.extra.memory == longMemory) {
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break;
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}
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// don't care about system
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if (mes.is_system) {
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continue;
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}
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// determine the sender's name
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const name = mes.is_user ? (context.name1 ?? 'You') : (mes.force_avatar ? mes.name : context.name2);
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const entry = `${name}:\n${mes['mes']}`;
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memoryBuffer.push(entry);
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// check if token limit was reached
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if (context.encode(getMemoryString()).length >= settings.shortMemoryLength) {
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break;
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}
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}
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const resultingString = getMemoryString();
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if (context.encode(resultingString).length < settings.shortMemoryLength) {
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return;
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}
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// perform the summarization API call
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try {
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inApiCall = true;
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const url = new URL(getApiUrl());
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url.pathname = '/api/summarize';
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const apiResult = await fetch(url, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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'Bypass-Tunnel-Reminder': 'bypass',
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},
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body: JSON.stringify({
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text: resultingString,
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params: {
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min_length: settings.longMemoryLength * 0.8,
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max_length: settings.longMemoryLength,
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repetition_penalty: settings.repetitionPenalty,
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temperature: settings.temperature,
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length_penalty: settings.lengthPenalty,
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}
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})
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});
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if (apiResult.ok) {
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const data = await apiResult.json();
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const summary = data.summary;
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const newContext = getContext();
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// something changed during summarization request
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if (newContext.groupId !== context.groupId || newContext.chatId !== context.chatId || (!newContext.groupId && (newContext.characterId !== context.characterId))) {
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return;
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}
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setMemoryContext(summary, true);
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}
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}
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catch (error) {
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console.log(error);
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}
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finally {
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inApiCall = false;
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}
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}
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function onMemoryRestoreClick() {
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const context = getContext();
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const content = $('#memory_contents').val();
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const reversedChat = context.chat.slice().reverse();
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for (let mes of reversedChat) {
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if (mes.extra && mes.extra.memory == content) {
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delete mes.extra.memory;
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break;
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}
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}
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const newContent = getLatestMemoryFromChat(context.chat);
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setMemoryContext(newContent, false);
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}
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function onMemoryContentInput() {
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const value = $(this).val();
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setMemoryContext(value, true);
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}
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function setMemoryContext(value, saveToMessage) {
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const context = getContext();
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context.setExtensionPrompt(MODULE_NAME, formatMemoryValue(value));
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$('#memory_contents').val(value);
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if (saveToMessage && context.chat.length) {
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const mes = context.chat[context.chat.length - 1];
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if (!mes.extra) {
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mes.extra = {};
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}
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mes.extra.memory = value;
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saveChatDebounced();
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}
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}
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$(document).ready(function () {
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function addExtensionControls() {
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const settingsHtml = `
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<div id="memory_settings">
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<h4>Memory</h4>
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<label for="memory_contents">Memory contents</label>
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<textarea id="memory_contents" class="text_pole" rows="8" placeholder="Context will be generated here..."></textarea>
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<div class="memory_contents_controls">
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<input id="memory_restore" class="menu_button" type="submit" value="Restore previous state" />
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<label for="memory_frozen"><input id="memory_frozen" type="checkbox" /> Freeze context</label>
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</div>
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<div class="inline-drawer">
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<div class="inline-drawer-toggle inline-drawer-header">
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<b>Summarization settings</b>
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<div class="inline-drawer-icon down"></div>
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</div>
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<div class="inline-drawer-content">
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<label for="memory_short_length">Memory summarization [short-term] length (<span id="memory_short_length_tokens"></span> tokens)</label>
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<input id="memory_short_length" type="range" value="${defaultSettings.shortMemoryLength}" min="${defaultSettings.minShortMemory}" max="${defaultSettings.maxShortMemory}" step="${defaultSettings.shortMemoryStep}" />
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<label for="memory_long_length">Memory context [long-term] length (<span id="memory_long_length_tokens"></span> tokens)</label>
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<input id="memory_long_length" type="range" value="${defaultSettings.longMemoryLength}" min="${defaultSettings.minLongMemory}" max="${defaultSettings.maxLongMemory}" step="${defaultSettings.longMemoryStep}" />
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<label for="memory_temperature">Summarization temperature (<span id="memory_temperature_value"></span>)</label>
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<input id="memory_temperature" type="range" value="${defaultSettings.temperature}" min="${defaultSettings.minTemperature}" max="${defaultSettings.maxTemperature}" step="${defaultSettings.temperatureStep}" />
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<label for="memory_repetition_penalty">Summarization repetition penalty (<span id="memory_repetition_penalty_value"></span>)</label>
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<input id="memory_repetition_penalty" type="range" value="${defaultSettings.repetitionPenalty}" min="${defaultSettings.minRepetitionPenalty}" max="${defaultSettings.maxRepetitionPenalty}" step="${defaultSettings.repetitionPenaltyStep}" />
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<label for="memory_length_penalty">Summarization length penalty (<span id="memory_length_penalty_value"></span>)</label>
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<input id="memory_length_penalty" type="range" value="${defaultSettings.lengthPenalty}" min="${defaultSettings.minLengthPenalty}" max="${defaultSettings.maxLengthPenalty}" step="${defaultSettings.lengthPenaltyStep}" />
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</div>
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</div>
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</div>
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`;
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$('#extensions_settings').append(settingsHtml);
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$('#memory_restore').on('click', onMemoryRestoreClick);
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$('#memory_contents').on('input', onMemoryContentInput);
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$('#memory_long_length').on('input', onMemoryLongInput);
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$('#memory_short_length').on('input', onMemoryShortInput);
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$('#memory_repetition_penalty').on('input', onMemoryRepetitionPenaltyInput);
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$('#memory_temperature').on('input', onMemoryTemperatureInput);
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$('#memory_length_penalty').on('input', onMemoryLengthPenaltyInput);
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$('#memory_frozen').on('input', onMemoryFrozenInput);
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}
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addExtensionControls();
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loadSettings();
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setInterval(moduleWorker, UPDATE_INTERVAL);
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}); |