bug: terminal triggered package refresh to use correct env

[eleanorjboyd]

fixes #653

Automatic Package Refresh from Terminal
When you install, uninstall, or modify packages directly in the terminal using commands like pip install, conda install, poetry add, or pipenv install, the extension automatically detects these changes and refreshes your package list. The extension monitors terminal commands and recognizes package-modifying operations across all common Python package managers—including pip, uv, conda, mamba, poetry, and pipenv.

To ensure the correct environment is updated, the extension uses the environment that's actually activated in that specific terminal, not simply the workspace's selected environment. This means if you activate a different virtual environment in a terminal and run pip install requests, the package list refreshes for that activated environment rather than your project's default. If no environment is explicitly activated in the terminal, the extension falls back to matching the environment based on the terminal's working directory and workspace context.

This automatic refresh keeps your package views in sync without requiring manual intervention, ensuring that the Environment details panel and other package-related features always reflect your latest changes.