alexandredrefahl/pySisControl ? reverse-engineered prompt

Build me a desktop app for a biotechnology lab to run on Linux, using Python and PyQt. It should work as a companion to an existing control system, so keep the main screen simple with a clear menu for things like orders, production, billing, and reports.

I want the app to help the team manage lab work day to day, including registering new requests, tracking production steps, viewing reservations, and generating reports. One important feature is exporting reservation lists to XLSX so they can be opened in LibreOffice. Use a clean interface with icons and separate screens for each area.

If you need to check anything, look up current PyQt and spreadsheet export docs online. Focus on making it practical for office use, easy to navigate, and ready to run on Linux.