Changes affected by tests are found and explained

[carnegiedude]

Parent User Story: As a student exploring an unfamiliar codebase, I want opencode to identify and explain tests related to the code changes after an edit, so that I can understand how the project's tests validate my implementation.

Estimated effort: 7 hours
Size: M
Dependencies: Associated code and tests
Milestone:

Acceptance criteria:
Possible inputs are identified and explained to the user
Possible outputs are identified and explained to the user
Recently edited code is identified and relevant test processes are explained to the user.

[carnegiedude]

This issue was decided not to be part of the sprint after sprint 1 due to redundancy and a change in direction of issue #13