its0x08/blue-deauth — reverse-engineered prompt

Build me a simple Linux shell script for Bluetooth troubleshooting on my own devices in a lab. I want something lightweight that uses the usual BlueZ command line tools and lets me point it at a Bluetooth address, pick a basic connectivity check, and see clear output about whether the device is reachable or accepting a connection.

It should feel like a small terminal utility with a usage message, a couple of test modes, and simple validation for missing tools, bad arguments, and permission issues. Make it easy to run from the command line on Kali or other Linux systems that use BlueZ. Add short comments in the script so it is easy to follow, and include a README with setup, requirements, example commands, and a note that it is only for authorized testing and diagnostics on devices I own.

If anything is unclear, look up the current BlueZ command usage online and keep it simple.