# Progress — challenger_m2_2_gen4b

Last visited: 2026-10-01T07:16:30Z

## Status: IN_PROGRESS
- [x] Initialized workspace and recorded dispatch.
- [x] Created BRIEFING.md.
- [ ] Read context: ORIGINAL_REQUEST.md (§ 2026-10-01T00:31:10Z), worker_m2_2_gen3/handoff.md, PROJECT.md.
- [ ] Execute unit test suite `pytest tests/unit/test_m2_animation_and_combat_feel.py -v`.
- [ ] Execute E2E test suite `pytest tests/e2e/test_poe2_ui_animation_vfx_e2e.py -v`.
- [ ] Execute adversarial test suite `pytest tests/unit/test_challenger_m2_adversarial.py -v`.
- [ ] Build & run empirical stress test / verification scripts for i-frame, 3-charge pool, ghost trail, and 64-slot ring buffer.
- [ ] Evaluate results, check against criteria.
- [ ] Prepare handoff.md and send completion message to parent.