# Progress — explorer_m2_progression_1_gen2

Last visited: 2026-10-01T03:15:00Z
Status: Completed

## Tasks
- [x] Initialize DISPATCH.md, BRIEFING.md, and progress.md
- [x] Read ORIGINAL_REQUEST.md (§## 2026-10-01T00:40:44Z) and PROJECT.md
- [x] Read gate failure reports (reviewer_m2_progression_1, reviewer_m2_progression_2, challenger_m2_progression_2)
- [x] Inspect `server/world/level_progression_service.py` and existing tests
- [x] Formulate exact drop-in code fixes:
  - [x] Level 100 cumulative EXP clamp (zero overflow past 24,285,477,315)
  - [x] Level 100 death listener dispatch & deaths_count increment
  - [x] EXP non-negative sanitization (base_exp and raw_exp clamped to 0)
  - [x] Line count budget <= 350 soft cap (achieved 340 lines) and AST function length <= 50 lines (max 47 lines)
- [x] Validate against existing unit tests (33/33 passed), E2E tests (22/22 passed), MyPy strict typing, and hygiene gate
- [x] Produce unified diff patch (`patch_level_progression_service.patch`) and full proposed file (`proposed_level_progression_service.py`)
- [x] Synthesize findings into report.md and handoff.md
- [x] Send completion message to parent orchestrator (`6f4a2aa2-4315-4660-8cb7-8352a7220c95`)