SillyTavern/public/scripts/extensions/objective/index.js

import { chat_metadata, callPopup, saveSettingsDebounced, getCurrentChatId } from "../../../script.js";
import { getContext, extension_settings, saveMetadataDebounced } from "../../extensions.js";
import {
    substituteParams,
    eventSource,
    event_types,
    generateQuietPrompt,
} from "../../../script.js";
import { registerSlashCommand } from "../../slash-commands.js";

const MODULE_NAME = "Objective"


let taskTree = null
let globalTasks = []
let currentChatId = ""
let currentObjective = null
let currentTask = null
let checkCounter = 0


const defaultPrompts = {
    "createTask": `Pause your roleplay and generate a list of tasks to complete an objective. Your next response must be formatted as a numbered list of plain text entries. Do not include anything but the numbered list. The list must be prioritized in the order that tasks must be completed.

The objective that you must make a numbered task list for is: [{{objective}}].
The tasks created should take into account the character traits of {{char}}. These tasks may or may not involve {{user}} directly. Be sure to include the objective as the final task.

Given an example objective of 'Make me a four course dinner', here is an example output:
1. Determine what the courses will be
2. Find recipes for each course
3. Go shopping for supplies with {{user}}
4. Cook the food
5. Get {{user}} to set the table
6. Serve the food
7. Enjoy eating the meal with {{user}}
    `,
    "checkTaskCompleted": `Pause your roleplay. Determine if this task is completed: [{{task}}].
To do this, examine the most recent messages. Your response must only contain either true or false, nothing other words.
Example output:
true
    `,
    'currentTask':`Your current task is [{{task}}]. Balance existing roleplay with completing this task.`
}

let objectivePrompts = defaultPrompts

//###############################//
//#       Task Management       #//
//###############################//

// Return the task and index or throw an error
function getTaskById(taskId){
    if (taskId == null) {
        throw `Null task id`
    }
    return getTaskByIdRecurse(taskId, taskTree)
}

function getTaskByIdRecurse(taskId, task) {
    if (task.id == taskId){
        return task
    }
    for (const childTask of task.children) {
        const foundTask = getTaskByIdRecurse(taskId, childTask);
        if (foundTask != null) {
            return foundTask;
        }
    }
    return null;
}

function substituteParamsPrompts(content) {
    content = content.replace(/{{objective}}/gi, currentObjective.description)
    content = content.replace(/{{task}}/gi, currentTask.description)
    content = substituteParams(content)
    return content
}

// Call Quiet Generate to create task list using character context, then convert to tasks. Should not be called much.
async function generateTasks() {

    const prompt = substituteParamsPrompts(objectivePrompts.createTask);
    console.log(`Generating tasks for objective with prompt`)
    toastr.info('Generating tasks for objective', 'Please wait...');
    const taskResponse = await generateQuietPrompt(prompt)

    // Clear all existing objective tasks when generating
    currentObjective.children = []
    const numberedListPattern = /^\d+\./

    // Create tasks from generated task list
    for (const task of taskResponse.split('\n').map(x => x.trim())) {
        if (task.match(numberedListPattern) != null) {
            currentObjective.addTask(task.replace(numberedListPattern,"").trim())
        }
    }
    updateUiTaskList();
    setCurrentTask();
    console.info(`Response for Objective: '${taskTree.description}' was \n'${taskResponse}', \nwhich created tasks \n${JSON.stringify(globalTasks.map(v => {return v.toSaveState()}), null, 2)} `)
    toastr.success(`Generated ${globalTasks.length} tasks`, 'Done!');
}

// Call Quiet Generate to check if a task is completed
async function checkTaskCompleted() {
    // Make sure there are tasks
    if (jQuery.isEmptyObject(currentTask)) {
        return
    }
    checkCounter = $('#objective-check-frequency').val()

    const prompt = substituteParamsPrompts(objectivePrompts.checkTaskCompleted);
    const taskResponse = (await generateQuietPrompt(prompt)).toLowerCase()

    // Check response if task complete
    if (taskResponse.includes("true")) {
        console.info(`Character determined task '${currentTask.description} is completed.`)
        currentTask.completeTask()
    } else if (!(taskResponse.includes("false"))) {
        console.warn(`checkTaskCompleted response did not contain true or false. taskResponse: ${taskResponse}`)
    } else {
        console.debug(`Checked task completion. taskResponse: ${taskResponse}`)
    }
}

function getNextIncompleteTaskRecurse(task){
    // Skip tasks with children, as they will have subtasks to determine completeness
    if (task.completed === false && task.children.length === 0){
        return task
    }
    for (const childTask of task.children) {
        if (childTask.completed === true){ // Don't recurse into completed tasks
            continue
        }
        const foundTask = getNextIncompleteTaskRecurse(childTask);
        if (foundTask != null) {
            return foundTask;
        }
    }
    return null;
}

// Set a task in extensionPrompt context. Defaults to first incomplete
function setCurrentTask(taskId = null) {
    const context = getContext();

    // TODO: Should probably null this rather than set empty object
    currentTask = {};

    // Find the task, either next incomplete, or by provided taskId
    if (taskId === null) {
        currentTask = getNextIncompleteTaskRecurse(taskTree) || {};
    } else {
        currentTask = getTaskById(taskId);
    }

    // Don't just check for a current task, check if it has data
    const description = currentTask.description || null;
    if (description) {
        const extensionPromptText =  substituteParamsPrompts(objectivePrompts.currentTask);
        
        // Remove highlights
        $('.objective-task').css({'border-color':'','border-width':''})
        // Highlight current task
        let highlightTask = currentTask
        while (highlightTask.parentId !== ""){
            if (highlightTask.descriptionSpan){
                highlightTask.descriptionSpan.css({'border-color':'yellow','border-width':'2px'}); 
            }
            const parent = getTaskById(highlightTask.parentId)
            highlightTask = parent
        }

        // Update the extension prompt
        context.setExtensionPrompt(MODULE_NAME, extensionPromptText, 1, $('#objective-chat-depth').val());
        console.info(`Current task in context.extensionPrompts.Objective is ${JSON.stringify(context.extensionPrompts.Objective)}`);
    } else {
        context.setExtensionPrompt(MODULE_NAME, '');
        console.info(`No current task`);
    }

    saveState();
}

function getHighestTaskIdRecurse(task) {
    let nextId = task.id;

    for (const childTask of task.children) {
        const childId = getHighestTaskIdRecurse(childTask);
        if (childId > nextId) {
            nextId = childId;
        }
    }
    return nextId;
}

//###############################//
//#         Task Class          #//
//###############################//
class ObjectiveTask {
    id
    description
    completed
    parentId
    children

    // UI Elements
    taskHtml
    descriptionSpan
    completedCheckbox
    deleteTaskButton
    addTaskButton

    constructor ({id=undefined, description, completed=false, parentId=""}) {
        this.description = description
        this.parentId = parentId
        this.children = []
        this.completed = completed

        // Generate a new ID if none specified
        if (id==undefined){
            this.id = getHighestTaskIdRecurse(taskTree) + 1
        } else {
            this.id=id
        }
    }

    // Accepts optional index. Defaults to adding to end of list.
    addTask(description, index = null) {
        index = index != null ? index: index = this.children.length
        this.children.splice(index, 0, new ObjectiveTask(
            {description: description, parentId: this.id}
        ))
        saveState()
    }
    
    getIndex(){
        if (this.parentId !== null) {
            const parent = getTaskById(this.parentId)
            const index = parent.children.findIndex(task => task.id === this.id)
            if (index === -1){
                throw `getIndex failed: Task '${this.description}' not found in parent task '${parent.description}'`
            }
            return index
        } else {
            throw `getIndex failed: Task '${this.description}' has no parent`
        }
    }

    // Used to set parent to complete when all child tasks are completed
    checkParentComplete() {
        let all_completed = true;
        if (this.parentId !== ""){
            const parent = getTaskById(this.parentId);
            for (const child of parent.children){
                if (!child.completed){
                    all_completed = false;
                    break;
                }
            }
            if (all_completed){
                parent.completed = true;
                console.info(`Parent task '${parent.description}' completed after all child tasks complated.`)
            } else {
                parent.completed = false;
            }
        }
    }

    // Complete the current task, setting next task to next incomplete task
    completeTask() {
        this.completed = true
        console.info(`Task successfully completed: ${JSON.stringify(this.description)}`)
        this.checkParentComplete()
        setCurrentTask()
        updateUiTaskList()
    }

    // Add a single task to the UI and attach event listeners for user edits
    addUiElement() {
        const template = `
        <div id="objective-task-label-${this.id}" class="flex1 checkbox_label">
            <input id="objective-task-complete-${this.id}" type="checkbox">
            <span class="text_pole objective-task" style="display: block" id="objective-task-description-${this.id}" contenteditable>${this.description}</span>
            <div id="objective-task-delete-${this.id}" class="objective-task-button fa-solid fa-xmark fa-2x" title="Delete Task"></div>
            <div id="objective-task-add-${this.id}" class="objective-task-button fa-solid fa-plus fa-2x" title="Add Task"></div>
            <div id="objective-task-add-branch-${this.id}" class="objective-task-button fa-solid fa-code-fork fa-2x" title="Branch Task"></div>
        </div><br>
        `;

        // Add the filled out template
        $('#objective-tasks').append(template);

        this.completedCheckbox = $(`#objective-task-complete-${this.id}`);
        this.descriptionSpan = $(`#objective-task-description-${this.id}`);
        this.addButton = $(`#objective-task-add-${this.id}`);
        this.deleteButton = $(`#objective-task-delete-${this.id}`);
        this.taskHtml = $(`#objective-task-label-${this.id}`);
        this.branchButton = $(`#objective-task-add-branch-${this.id}`)
        
        // Handle sub-task forking style
        if (this.children.length > 0){
            this.branchButton.css({'color':'#33cc33'})
        } else {
            this.branchButton.css({'color':''})
        }

        // Add event listeners and set properties
        $(`#objective-task-complete-${this.id}`).prop('checked', this.completed);
        $(`#objective-task-complete-${this.id}`).on('click', () => (this.onCompleteClick()));
        $(`#objective-task-description-${this.id}`).on('keyup', () => (this.onDescriptionUpdate()));
        $(`#objective-task-description-${this.id}`).on('focusout', () => (this.onDescriptionFocusout()));
        $(`#objective-task-delete-${this.id}`).on('click', () => (this.onDeleteClick()));
        $(`#objective-task-add-${this.id}`).on('click', () => (this.onAddClick()));
        this.branchButton.on('click', () => (this.onBranchClick()))
    }

    onBranchClick() {
        currentObjective = this
        updateUiTaskList();
        setCurrentTask();
    }

    onCompleteClick(){
        this.completed = this.completedCheckbox.prop('checked')
        this.checkParentComplete()
        setCurrentTask();
    }

    onDescriptionUpdate(){
        this.description = this.descriptionSpan.text();
    }

    onDescriptionFocusout(){
        setCurrentTask();
    }

    onDeleteClick(){
        const index = this.getIndex()
        const parent = getTaskById(this.parentId)
        parent.children.splice(index, 1)
        updateUiTaskList()
        setCurrentTask()
    }

    onAddClick(){
        const index = this.getIndex()
        const parent = getTaskById(this.parentId)
        parent.addTask("", index + 1);
        updateUiTaskList();
        setCurrentTask();
    }

    toSaveStateRecurse() {
        let children = []
        if (this.children.length > 0){
            for (const child of this.children){
                children.push(child.toSaveStateRecurse())
            }
        }
        return {
            "id":this.id,
            "description":this.description,
            "completed":this.completed,
            "parentId": this.parentId,
            "children": children,
        }
    }
}

//###############################//
//#       Custom Prompts        #//
//###############################//

function onEditPromptClick() {
    let popupText = ''
    popupText += `
    <div class="objective_prompt_modal">
        <small>Edit prompts used by Objective for this session. You can use {{objective}} or {{task}} plus any other standard template variables</small>
        <br>
        <div>
            <label for="objective-prompt-generate">Generation Prompt</label>
            <textarea id="objective-prompt-generate" type="text" class="text_pole textarea_compact" rows="8"></textarea>
            <label for="objective-prompt-check">Completion Check Prompt</label>
            <textarea id="objective-prompt-check" type="text" class="text_pole textarea_compact" rows="8"></textarea>
            <label for="objective-prompt-extension-prompt">Injected Prompt</label>
            <textarea id="objective-prompt-extension-prompt" type="text" class="text_pole textarea_compact" rows="8"></textarea>
        </div>
        <div class="objective_prompt_block">
            <label for="objective-custom-prompt-select">Custom Prompt Select</label>
            <select id="objective-custom-prompt-select"><select>
        </div>
        <div class="objective_prompt_block">
            <input id="objective-custom-prompt-new" class="menu_button" type="submit" value="New Prompt" />
            <input id="objective-custom-prompt-save" class="menu_button" type="submit" value="Save Prompt" />
            <input id="objective-custom-prompt-delete" class="menu_button" type="submit" value="Delete Prompt" />
        </div>
    </div>`
    callPopup(popupText, 'text')
    populateCustomPrompts()

    // Set current values
    $('#objective-prompt-generate').val(objectivePrompts.createTask)
    $('#objective-prompt-check').val(objectivePrompts.checkTaskCompleted)
    $('#objective-prompt-extension-prompt').val(objectivePrompts.currentTask)
    
    // Handle value updates
    $('#objective-prompt-generate').on('input', () => {
        objectivePrompts.createTask =  $('#objective-prompt-generate').val()
    })
    $('#objective-prompt-check').on('input', () => {
        objectivePrompts.checkTaskCompleted = $('#objective-prompt-check').val()
    })
    $('#objective-prompt-extension-prompt').on('input', () => {
        objectivePrompts.currentTask = $('#objective-prompt-extension-prompt').val()
    })
    
    // Handle new
    $('#objective-custom-prompt-new').on('click', () => {
        newCustomPrompt()
    })

    // Handle save
    $('#objective-custom-prompt-save').on('click', () => {
        saveCustomPrompt()
    })

    // Handle delete
    $('#objective-custom-prompt-delete').on('click', () => {
        deleteCustomPrompt()
    })

    // Handle load
    $('#objective-custom-prompt-select').on('change', loadCustomPrompt)
}
async function newCustomPrompt() {
    const customPromptName = await callPopup('<h3>Custom Prompt name:</h3>', 'input');
    
    if (customPromptName == "") {
        toastr.warning("Please set custom prompt name to save.")
        return
    }
    if (customPromptName == "default"){
        toastr.error("Cannot save over default prompt")
        return
    }
    extension_settings.objective.customPrompts[customPromptName] = {}
    Object.assign(extension_settings.objective.customPrompts[customPromptName], objectivePrompts)
    saveSettingsDebounced()
    populateCustomPrompts()
}

function saveCustomPrompt() {
    const customPromptName = $("#objective-custom-prompt-select").find(':selected').val()
    if (customPromptName == "default"){
        toastr.error("Cannot save over default prompt")
        return
    }
    Object.assign(extension_settings.objective.customPrompts[customPromptName], objectivePrompts)
    saveSettingsDebounced()
    populateCustomPrompts()
}

function deleteCustomPrompt(){
    const customPromptName = $("#objective-custom-prompt-select").find(':selected').val()

    if (customPromptName == "default"){
        toastr.error("Cannot delete default prompt")
        return
    }
    delete extension_settings.objective.customPrompts[customPromptName]
    saveSettingsDebounced()
    populateCustomPrompts()
    loadCustomPrompt()
}

function loadCustomPrompt(){
    const optionSelected = $("#objective-custom-prompt-select").find(':selected').val()
    Object.assign(objectivePrompts, extension_settings.objective.customPrompts[optionSelected])

    $('#objective-prompt-generate').val(objectivePrompts.createTask)
    $('#objective-prompt-check').val(objectivePrompts.checkTaskCompleted)
    $('#objective-prompt-extension-prompt').val(objectivePrompts.currentTask)
}

function populateCustomPrompts(){
    // Populate saved prompts
    $('#objective-custom-prompt-select').empty()
    for (const customPromptName in extension_settings.objective.customPrompts){
        const option = document.createElement('option');
        option.innerText = customPromptName;
        option.value = customPromptName;
        option.selected = customPromptName
        $('#objective-custom-prompt-select').append(option)
    }
}

//###############################//
//#       UI AND Settings       #//
//###############################//


const defaultSettings = {
    currentObjectiveId: null,
    taskTree: null,
    chatDepth: 2,
    checkFrequency: 3,
    hideTasks: false,
    prompts: defaultPrompts,
}

// Convenient single call. Not much at the moment.
function resetState() {
    loadSettings();
}

//
function saveState() {
    const context = getContext();

    if (currentChatId == "") {
        currentChatId = context.chatId
    }

    chat_metadata['objective'] = {
        currentObjectiveId: currentObjective.id,
        taskTree: taskTree.toSaveStateRecurse(),
        checkFrequency: $('#objective-check-frequency').val(),
        chatDepth: $('#objective-chat-depth').val(),
        hideTasks: $('#objective-hide-tasks').prop('checked'),
        prompts: objectivePrompts,
    }

    saveMetadataDebounced();
}

// Dump core state
function debugObjectiveExtension() {
    console.log(JSON.stringify({
        "currentTask": currentTask,
        "currentObjective": currentObjective,
        "taskTree": taskTree.toSaveStateRecurse(),
        "chat_metadata": chat_metadata['objective'],
        "extension_settings": extension_settings['objective'],
        "prompts": objectivePrompts
    }, null, 2))
}

window.debugObjectiveExtension = debugObjectiveExtension


// Populate UI task list
function updateUiTaskList() {
    $('#objective-tasks').empty()

    // Show button to navigate back to parent objective if parent exists
    if (currentObjective){
        if (currentObjective.parentId !== "") {
            $('#objective-parent').show()
        } else {
            $('#objective-parent').hide()
        }
    }

    $('#objective-text').val(currentObjective.description)
    if (currentObjective.children.length > 0){
        // Show tasks if there are any to show
        for (const task of currentObjective.children) {
            task.addUiElement()
        }
    } else {
        // Show button to add tasks if there are none
        $('#objective-tasks').append(`
        <input id="objective-task-add-first" type="button" class="menu_button" value="Add Task">
        `)
        $("#objective-task-add-first").on('click', () => {
            currentObjective.addTask("")
            setCurrentTask()
            updateUiTaskList()
        })
    }
}

function onParentClick() {
    currentObjective = getTaskById(currentObjective.parentId)
    updateUiTaskList()
    setCurrentTask()
}

// Trigger creation of new tasks with given objective.
async function onGenerateObjectiveClick() {
    await generateTasks()
    saveState()
}

// Update extension prompts
function onChatDepthInput() {
    saveState()
    setCurrentTask() // Ensure extension prompt is updated
}

function onObjectiveTextFocusOut(){
    if (currentObjective){
        currentObjective.description = $('#objective-text').val()
        saveState()
    }
}

// Update how often we check for task completion
function onCheckFrequencyInput() {
    checkCounter = $("#objective-check-frequency").val()
    $('#objective-counter').text(checkCounter)
    saveState()
}

function onHideTasksInput() {
    $('#objective-tasks').prop('hidden', $('#objective-hide-tasks').prop('checked'))
    saveState()
}

function loadTaskChildrenRecurse(savedTask) {
    let tempTaskTree = new ObjectiveTask({
        id: savedTask.id,
        description: savedTask.description,
        completed: savedTask.completed,
        parentId: savedTask.parentId,
    })
    for (const task of savedTask.children){
        const childTask = loadTaskChildrenRecurse(task)
        tempTaskTree.children.push(childTask)
    }
    return tempTaskTree
}

function loadSettings() {
    // Load/Init settings for chatId
    currentChatId = getContext().chatId

    // Reset Objectives and Tasks in memory
    taskTree = null;
    currentObjective = null;
    
    // Init extension settings
    if (Object.keys(extension_settings.objective).length === 0) {
        Object.assign(extension_settings.objective, { 'customPrompts': {'default':defaultPrompts}})
    }

    // Bail on home screen
    if (currentChatId == undefined) {
        return
    }

    // Migrate existing settings
    if (currentChatId in extension_settings.objective) {
        // TODO: Remove this soon
        chat_metadata['objective'] = extension_settings.objective[currentChatId];
        delete extension_settings.objective[currentChatId];
    }

    if (!('objective' in chat_metadata)) {
        Object.assign(chat_metadata, { objective: defaultSettings });
    }

    // Migrate legacy flat objective to new objectiveTree and currentObjective
    if ('objective' in chat_metadata.objective) {

        // Create root objective from legacy objective
        taskTree = new ObjectiveTask({id:0, description: chat_metadata.objective.objective});
        currentObjective = taskTree;

        // Populate root objective tree from legacy tasks
        if ('tasks' in chat_metadata.objective) {
            let idIncrement = 0;
            taskTree.children = chat_metadata.objective.tasks.map(task => {
                idIncrement += 1;
                return new ObjectiveTask({
                    id: idIncrement,
                    description: task.description,
                    completed: task.completed,
                    parentId: taskTree.id,
                })
            });
        }
        saveState();
        delete chat_metadata.objective.objective;
        delete chat_metadata.objective.tasks;
    } else {
        // Load Objectives and Tasks (Normal path)
        if (chat_metadata.objective.taskTree){
            taskTree = loadTaskChildrenRecurse(chat_metadata.objective.taskTree)
        }
    }

    // Make sure there's a root task
    if (!taskTree) {
        taskTree = new ObjectiveTask({id:0,description:$('#objective-text').val()})
    }

    currentObjective = taskTree
    checkCounter = chat_metadata['objective'].checkFrequency

    // Update UI elements
    $('#objective-counter').text(checkCounter)
    $("#objective-text").text(taskTree.description)
    updateUiTaskList()
    $('#objective-chat-depth').val(chat_metadata['objective'].chatDepth)
    $('#objective-check-frequency').val(chat_metadata['objective'].checkFrequency)
    $('#objective-hide-tasks').prop('checked', chat_metadata['objective'].hideTasks)
    $('#objective-tasks').prop('hidden', $('#objective-hide-tasks').prop('checked'))
    setCurrentTask()
}

function addManualTaskCheckUi() {
    $('#extensionsMenu').prepend(`
        <div id="objective-task-manual-check-menu-item" class="list-group-item flex-container flexGap5">
            <div id="objective-task-manual-check" class="extensionsMenuExtensionButton fa-regular fa-square-check"/></div>
            Manual Task Check
        </div>`)
    $('#objective-task-manual-check-menu-item').attr('title', 'Trigger AI check of completed tasks').on('click', checkTaskCompleted)
}

jQuery(() => {
    const settingsHtml = `
    <div class="objective-settings">
        <div class="inline-drawer">
            <div class="inline-drawer-toggle inline-drawer-header">
                <b>Objective</b>
                <div class="inline-drawer-icon fa-solid fa-circle-chevron-down down"></div>
            </div>
            <div class="inline-drawer-content">
                <label for="objective-text"><small>Enter an objective and generate tasks. The AI will attempt to complete tasks autonomously</small></label>
                <textarea id="objective-text" type="text" class="text_pole textarea_compact" rows="4"></textarea>
                <div class="objective_block flex-container">
                    <input id="objective-generate" class="menu_button" type="submit" value="Auto-Generate Tasks" />
                    <label class="checkbox_label"><input id="objective-hide-tasks" type="checkbox"> Hide Tasks</label>
                </div>
                <div id="objective-parent" class="objective_block flex-container">
                    <i class="objective-task-button fa-solid fa-circle-left fa-2x" title="Go to Parent"></i>
                    <small>Go to parent task</small>
                </div>

                <div id="objective-tasks"> </div>
                <div class="objective_block margin-bot-10px">
                    <div class="objective_block objective_block_control flex1 flexFlowColumn">
                        <label for="objective-chat-depth">Position in Chat</label>
                        <input id="objective-chat-depth" class="text_pole widthUnset" type="number" min="0" max="99" />
                    </div>
                    <br>
                    <div class="objective_block objective_block_control flex1">

                        <label for="objective-check-frequency">Task Check Frequency</label>
                        <input id="objective-check-frequency" class="text_pole widthUnset" type="number" min="0" max="99" />
                        <small>(0 = disabled)</small>
                    </div>
                </div>
                <span> Messages until next AI task completion check <span id="objective-counter">0</span></span>
                <div class="objective_block flex-container">
                    <input id="objective_prompt_edit" class="menu_button" type="submit" value="Edit Prompts" />
                </div>
                <hr class="sysHR">
            </div>
        </div>
    </div>
    `;

    addManualTaskCheckUi()
    $('#extensions_settings').append(settingsHtml);
    $('#objective-generate').on('click', onGenerateObjectiveClick)
    $('#objective-chat-depth').on('input', onChatDepthInput)
    $("#objective-check-frequency").on('input', onCheckFrequencyInput)
    $('#objective-hide-tasks').on('click', onHideTasksInput)
    $('#objective_prompt_edit').on('click', onEditPromptClick)
    $('#objective-parent').hide()
    $('#objective-parent').on('click',onParentClick)
    $('#objective-text').on('focusout',onObjectiveTextFocusOut)
    loadSettings()

    eventSource.on(event_types.CHAT_CHANGED, () => {
        resetState()
    });

    eventSource.on(event_types.MESSAGE_RECEIVED, () => {
        if (currentChatId == undefined) {
            return
        }
        if ($("#objective-check-frequency").val() > 0) {
            // Check only at specified interval
            if (checkCounter <= 0) {
                checkTaskCompleted();
            }
            checkCounter -= 1
        }
        setCurrentTask();
        $('#objective-counter').text(checkCounter)
    });

    registerSlashCommand('taskcheck', checkTaskCompleted, [], ' – checks if the current task is completed', true, true);
});