# Progress — Explorer M5 3

Last visited: 2026-10-01T22:19:30Z

- [x] Initialized DISPATCH.md and BRIEFING.md
- [x] Investigate client map loading and POI metadata in `tile_grid_loader.js` / `map_binary_serializer.py`
- [x] Investigate `monster_system.js` and `world_renderer.js` for POI ambush and visual cues
- [x] Investigate `boss_gate_controller.js` and lore popup integration (<= 3.0 tiles, remaining packs)
- [x] Design comprehensive Python unit test suite `tests/unit/test_encounter_zones.py` (12 tests, 229 lines, <= 300 lines)
- [x] Verified unit tests via pytest: 12 passed in 0.28s; 104 passed across full map suite
- [x] Write `report.md` and `handoff.md`
- [ ] Notify parent agent