# Audit Progress — auditor_m2_fix_1

**Agent**: `auditor_m2_fix_1`  
**Last visited**: 2026-10-01T20:51:00Z  
**Current Phase**: Complete — Final Report Written  

### Plan & Checklist
- [x] Step 1: DISPATCH.md and ORIGINAL_REQUEST.md review
- [x] Step 2: Initialize BRIEFING.md and progress tracking
- [x] Step 3: View source code of `client/webapp/js/engine/tile_map_renderer.js` and `tools/perf/map_render_benchmark.js`
- [x] Step 4: Static analysis (Hardcoded outputs, facades, mock cheating, LRU eviction correctness, SAT culling math)
- [x] Step 5: Check line count limits & run hygiene audit (`check_code_and_doc_hygiene.py --strict`)
- [x] Step 6: Independent test execution:
  - `node tools/perf/map_render_benchmark.js` -> 0 re-bakes stationary, FPS=145,847, RAM=16.010 MB (PASS)
  - `node tools/perf/stress_test_lru_cache.js` -> 8/8 gates PASS (PASS)
  - `pytest tests/e2e/test_poe2_map_system_e2e.py -v` -> 81 passed (PASS)
  - `pytest tests/unit/ -q` -> 935 passed (PASS)
- [x] Step 7: Adversarial stress testing & edge-case testing (LRU active protection, dirty cycle, SAT math)
- [x] Step 8: Update BRIEFING.md with final observations and evidence
- [x] Step 9: Write forensic `handoff.md` with binary verdict (CLEAN)
- [x] Step 10: Message parent orchestrator with results