Complete procedures with a way back.

The error: externally-managed-environment means pip has refused to modify an Ubuntu-managed Python installation. This guide shows how to identify the interpreter you are using, preserve operating-system package ownership, and choose the correct safe route: apt for Ubuntu packages, a project virtual environment for libraries, pipx for command-line applications, or an isolated container for disposable work.

Upload bounded datasets to an isolated Python container, validate generated summaries and files, preserve analysis evidence, control downloads, reconcile provider objects, and test sandbox failure modes.

Create a small Linux desktop chat application that talks only to LM Studio on loopback, streams answers into a Tk interface, manages model loading explicitly, keeps conversation storage opt-in, and packages the result as a reproducible Python zip application.