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# Task Visualization System [](https://www.typescriptlang.org/) []() The visualization system provides real-time, hierarchical views of tasks with progress tracking and detailed metadata display. It maintains session-based files that update automatically as tasks change. ## Table of Contents - [Overview](#overview) - [Architecture](#architecture) - [Components](#components) - [File Format](#file-format) - [Features](#features) - [Best Practices](#best-practices) ## Overview The visualization system converts task data into human and machine-readable formats, providing: - Real-time task hierarchy visualization - Progress tracking with visual indicators - Status summaries and statistics - Detailed task metadata display - Session-based file management ## Architecture ### Core Components - **VisualizationManager**: Singleton manager handling visualization lifecycle - **TaskVisualizer**: Handles file creation and updates - **Formatters**: Convert task data into specific formats - MarkdownFormatter: Human-readable format - JsonFormatter: Machine-readable format ### Event Integration - Subscribes to TaskManager events: - TASK_CREATED - TASK_UPDATED - TASK_DELETED - CACHE_CLEARED ### File Management - Session-based files (tasks-YYYY-MM-DD.{md,json}) - Automatic cleanup of old files - Real-time updates to existing files ## Components ### VisualizationManager ```typescript class VisualizationManager { // Singleton instance management static async initialize(taskManager: TaskManager, config: Config); static getInstance(): VisualizationManager; // Event handling private handleTaskEvent(event: TaskEvent): Promise<void>; private handleTasksClear(): Promise<void>; // Resource management async cleanup(): Promise<void>; } ``` ### TaskVisualizer ```typescript class TaskVisualizer { // Core functionality async updateVisualizations(tasks: Task[]): Promise<void>; async cleanupOldFiles(): Promise<void>; // File management private async getSessionFile(format: string): Promise<string>; private async initializeOutputDir(): Promise<void>; } ``` ### Formatters ```typescript interface TaskFormatter { format(tasks: Task[]): string; } class MarkdownFormatter implements TaskFormatter { // Markdown-specific formatting private formatTaskHierarchy(tasks: Task[]): string; private formatTaskDetails(task: Task): string; private generateProgressBar(percentage: number): string; } class JsonFormatter implements TaskFormatter { // JSON-specific formatting private generateSummary(tasks: Task[]): object; private buildTaskTree(tasks: Task[]): object; } ``` ## File Format ### Markdown Format (tasks-YYYY-MM-DD.md) ```markdown # Task Overview ## Summary Total Tasks: 10 Status Breakdown: - 🔄 IN_PROGRESS: 4 (40%) - ⏳ PENDING: 3 (30%) - ✅ COMPLETED: 3 (30%) ## Task Hierarchy - 🔄 **Project Setup** `██████████░░░░░░░░░░` 50% - ✅ **Environment Setup** `████████████████████` 100% - 🔄 **Configuration** `██████░░░░░░░░░░░░░░` 30% ## Detailed Tasks [Task details with metadata...] ``` ### JSON Format (tasks-YYYY-MM-DD.json) ```json { "summary": { "totalTasks": 10, "statusCounts": { "IN_PROGRESS": 4, "PENDING": 3, "COMPLETED": 3 } }, "hierarchy": { "nodes": [...], "edges": [...] }, "tasks": [...] } ``` ## Features ### Status Indicators - ⏳ PENDING: Task not started - 🔄 IN_PROGRESS: Active work - ✅ COMPLETED: Task finished - ❌ CANCELLED: Task discontinued - 🚫 BLOCKED: Waiting on dependencies ### Progress Tracking - Visual progress bars: `████░░░░░░░░░░░░░░` (30%) - Percentage-based completion - Status summaries and statistics ### Hierarchy Display - Indented task structure - Parent-child relationships - Dependency tracking - Clear status propagation ### Metadata Formatting - Priority levels - Technical requirements - Planning and progress notes - Custom fields and tags ## Best Practices ### File Management - Use session-based files for temporal organization - Clean up old files automatically - Maintain both MD and JSON formats ### Visualization - Keep hierarchy depth manageable - Use clear status indicators - Include relevant metadata - Format progress visually ### Performance - Update files efficiently - Handle large task sets - Manage file cleanup - Monitor file size ### Error Handling - Validate file paths - Handle write errors - Manage concurrent updates - Log visualization issues