# Reviewer Task: Milestone 6 (patch_explainer.py coverage) Reviewer 2

## Goal
Independent quality and adversarial review of the patch explainer code and unit tests.

## Context & Inputs
- Target source file: `reversecore_mcp/tools/common/patch_explainer.py`
- Test file modified: `tests/unit/tools/common/test_patch_explainer.py`
- Worker handoff report: `/Users/sjkim1127/Reversecore_MCP/.agents/worker_m6_1/handoff.md`

## Instructions
1. Independently review the modified files.
2. Verify that there are no regressions in the global test suite.
3. Check code coverage for `patch_explainer.py` is indeed 100%.
4. Run:
   - `black --check tests/unit/tools/common/test_patch_explainer.py`
   - `ruff check tests/unit/tools/common/test_patch_explainer.py`
5. Write your findings and approval or veto verdict in `handoff.md` inside `.agents/reviewer_m6_2/`.
