Sequence Flow Experiment With Desktop Commander

A Flutter - based HTN planning system that enables visual modeling and management of complex tasks through AI dialogue

Artificial intelligence chatbots Education and learning tools #Task Planning #AI Modeling #Visualization Tool #Flutter Application .swift

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update time : 2025-04-29

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What is a Hierarchical Task Network Planning System?

Hierarchical Task Network (HTN) planning is a method that decomposes complex problems into a hierarchical structure of multiple subtasks and generates execution plans through the dependencies between these subtasks.

Why Use Sequence Flow?

Sequence Flow provides an intuitive way to design and manage HTN planning, helping users organize and execute complex task networks more efficiently.

Sequence Flow - Hierarchical Task Network Planning System

Describe Your Planning Problem

Provide a concise problem description, for example: I need to organize a 3 - day conference.

The System Generates a Preliminary Plan

Sequence Flow will automatically generate a basic task network structure based on the input.

🚀 Sequence Flow and Desktop Commander Experiment - Hierarchical Task Network Planning System

A Flutter application for visualizing and managing Hierarchical Task Networks (HTN).

🚀 Quick Start

Sequence Flow is an interactive HTN planning system that enables users to model complex planning problems through guided AI conversations. It offers a visualized directed graph to display planning tasks and their complex dependencies, supports hierarchical compression of sub - graphs to manage complexity while retaining cross - boundary references.

✨ Features

Interactive Modeling: Handle complex planning problems through guided AI conversations.
Directed Graph Visualization: Present planning tasks in the form of a directed graph, including complex dependencies.
Hierarchical Compression: Compress sub - graphs to manage complexity while retaining references.
Three - Column Interface: Consists of an AI chat, an interactive graph, and a hierarchical task list.
Iterative Problem Solving: Dynamically select problems based on the current planning state.
External Persistence: Prevent data loss due to LLM context limitations.

📦 Project Structure

sequence_flow/
├── lib/
│   ├── behaviors/      # Implement HTN planning behaviors
│   ├── models/         # Application data models
│   │   └── entities/   # Core entity definitions
│   ├── screens/        # Application interfaces
│   ├── services/       # External service integrations
│   ├── utils/          # Utility functions and auxiliary features
│   └── widgets/        # Reusable UI components
├── assets/             # Static resources (icons, images)
└── test/               # Unit tests and widget tests

📦 Installation

Prerequisites

Flutter (>= 3.6.1)
Dart (>= 3.6.0)
An IDE (VS Code, Android Studio, or IntelliJ)

Steps

Clone the repository:

git clone https://github.com/yourusername/sequence_flow.git
cd sequence_flow

Install dependencies:
```
flutter pub get
```
Run the application:
```
flutter run
```

📚 Core Components

Entities

Task: The basic building block of HTN planning.
Method: Defines how a task is decomposed.
TaskDecomposition: The hierarchical relationship between tasks.
TaskDependency: The non - hierarchical dependency between tasks.
CrossBoundaryReference: References that cross the boundaries of compressed sub - graphs.
WorldState: Represents the world state during the planning process.
Plan: The planning solution to solve the problem.
Conversation: AI - guided planning conversations.

Behaviors

HierarchicalCompression: Manages the compression and expansion of sub - graphs.
AIGuidedPlanning: Controls AI - driven planning conversations.
GraphStateManagement: Manages the persistence and history of the graph state.

User Interface

ThreeColumnLayout: The main layout of the application, consisting of three panels.
AIChat: The left - hand panel for conversations with the AI.
DirectedGraph: The middle panel for displaying the directed graph.
TaskList: The right - hand panel for displaying the hierarchical task view.