# Progress Heartbeat — Challenger M1 Iteration 2

- **Last visited**: 2026-10-09T05:07:30Z
- **Status**: Completed empirical adversarial stress tests and test suite executions.
- **Current Step**: Authored `tests/test_challenger1_empirical_stress.py` (15/15 passed). Verified `tests/test_critic_gate.py` (30/30 passed), `tests/test_adversarial_critic_gate_m1.py` (29/29 passed), and regression suites (112/112 passed). Writing final `handoff.md` with verdict APPROVE.