A modern, robust, and extensible command-line to-do list application written in Rust. Manage your tasks efficiently with a beautiful CLI, persistent storage, and a clean codebase ready for extension!

• Add tasks with unique IDs
• List all tasks with status (done/undone)
• Mark tasks as done
• Remove tasks
• Persistent storage in todo.json
• Robust error handling
• Extensible: Easily add due dates, priorities, encryption, or a TUI

# Add a task
cargo run -- add "Buy groceries"

# List all tasks
cargo run -- list

# Mark a task as done
cargo run -- mark-done 1

# Remove a task
cargo run -- remove 1

flowchart TD
    A["User"] -->|"CLI Command"| B["Clap Parser"]
    B -->|"Subcommand"| C["App Logic"]
    C -->|"Reads/Writes"| D["todo.json"]
    D -->|"Deserializes/Serializes"| E["Serde/Serde_json"]
    C -->|"Shows"| F["Terminal Output"]

• clap (CLI argument parsing)
• serde & serde_json (serialization)

• Add due dates, priorities, or encryption
• Switch to TOML or add a TUI with tui-rs

.
├── src/main.rs         # App logic
├── todo.json           # Task storage
├── Cargo.toml          # Dependencies
└── README.md           # This file