# Progress - reviewer_m1_progression_2

- Last visited: 2026-10-01T02:27:00Z
- Status: Review complete. Verdict: APPROVE.
- Completed:
  - DISPATCH.md recorded
  - BRIEFING.md updated
  - Empirical verification of mathematical piecewise curve: 1-20 budget = 0.0115%, 99->100 delta = 33.00%, 100% strict monotonicity.
  - SQLite table migration and indexing analyzed (`_check_and_migrate_schema`, 13 columns, CHECK constraints, rowid B-tree index).
  - Backwards compatibility confirmed for `ProgressionBenchmarkRow` and legacy query attributes.
  - Execution of 3 required verification commands:
    - `pytest tests/unit/test_game_design_matrix.py` (8 passed in 0.34s)
    - `python tools/lint/verify_game_design_matrix.py` (Exit code 0, 100% in sync)
    - `pytest tests/e2e/test_level_progression_e2e.py -k "test_f02"` (2 passed, 3 xpassed in 0.11s)
  - Zero integrity violations detected (no hardcoding, no facades, no cheated outputs).
  - `report.md` generated with findings and stress-test results.
  - `handoff.md` generated following the 5-component protocol.
  - Parent agent notification via `send_message`.