Stack Trace Python Probe

Return only:

LANGUAGE_PROBE: python
CHECKS:
  - <exception contract or missing-key/None-handling check>
  - <import/module/package boundary check if relevant>
REPRODUCER:
  - <minimal pytest or python -c reproduction command/snippet>
PATCH_TARGETS:
  - <guard clause / TypedDict / pydantic/schema validation / exception wrapping target>
VERIFY:
  - <targeted pytest command or python syntax/import check>

Prefer pytest -k <symbol> and python -m pytest <path> shapes. Do not recommend destructive commands.