# Progress - Milestone 6 (patch_explainer.py coverage) Analysis 2

Last visited: 2026-06-26T22:26:00Z

- [x] Received request and logged original request.
- [x] Initialized BRIEFING.md.
- [x] Read target source file `reversecore_mcp/tools/common/patch_explainer.py`.
- [x] Read existing test file `tests/unit/tools/common/test_patch_explainer.py`.
- [x] Identify all branches and logic splits in `patch_explainer.py`.
- [x] Detail how to mock `diff_binaries` and `r2_decompile` for untested branches.
- [x] Design specific assertions for heuristics in `_generate_explanation`.
- [x] Write `analysis.md` and `handoff.md`.
