# Progress Log

Last visited: 2026-10-01T00:58:30Z
Status: Complete

## Current Tasks
- [x] Initialize DISPATCH.md and BRIEFING.md
- [x] Review ORIGINAL_REQUEST.md, PROJECT.md, and explorer_survey_balance_1/report.md
- [x] Examine `server/world/game_design_matrix_service.py` (`validate_game_design_integrity()`)
- [x] Examine `tools/lint/verify_game_design_matrix.py`
- [x] Analyze monotonicity check (`target_exp > prev_xp`) and `cumulative_exp` vs `target_exp` zero drift guarantee
- [x] Check existing unit tests in `tests/unit/test_game_design_matrix.py`
- [x] Formulate verification commands & comprehensive test cases for Worker M1 / Reviewers / Challengers
- [x] Generate `report.md`
- [x] Generate `handoff.md`
- [x] Send final message to parent orchestrator_4