Feature Request: Conditional Breakpoints

Motivation

For efficient debugging, I very often need to have a break-point trigger only under certain circumstances.

Consider the following setup

here I may for example only wish for the break point to trigger if

"advanced" in case.tags

holds.

Current workaround

Currently, I can achieve this, but only by rewriting the code as a workaround:

Proposal

The workaround is clearly clumsy, esp. as it means injecting code into ones codebase, which is en par with adding print statements everywhere.

What would be much more ideal would be one could simply add dynamic trigger-conditions to the break points.[^trigger]

For example in the UI would could add a right-click menu to the individual break points > add conditions > user entry of boolean expression:

Here one could consider the cases

[^trigger]: currently they can only statically be toggled.

No files, tests, or entry points are named in the issue. Begin by tracing how breakpoint state and evaluation are handled in the Python debugger; done should cover the listed UI and behavior cases for empty, invalid, true, and false conditions.