Design a cross-platform CLI that shows CPU/RAM/disk/net in one TUI. Auto-detect OS (Linux/macOS/Windows 11 PowerShell), sample every N seconds, and render sparklines. Provide --json, --once, --interval flags and color-safe output. Include install notes (htop/psutil fallback) and examples.
Heading:
Author: Assistant
Model: gpt-4o
Category: cli-tool
Tags: cli, monitoring, linux, macos, windows, powershell, system
