# Progress — M4 Fog of War Explorer

Last visited: 2026-10-01T21:30:00Z
Status: Completed

## Tasks
- [x] Received dispatch, updated DISPATCH.md and BRIEFING.md
- [x] Read ORIGINAL_REQUEST.md (specifically R4) and orchestrator_11/PROJECT.md
- [x] Inspect existing `client/webapp/js/ui/war_fog.js` and modal dependencies
- [x] Analyze 3-State Fog Model (0=UNEXPLORED, 1=EXPLORED_FOGGED, 2=VISIBLE)
- [x] Design and benchmark zero-heap dynamic vision reveal algorithm (radius 8 tiles, decay VISIBLE->EXPLORED_FOGGED, 0.2µs/frame)
- [x] Design bit-packing format for localStorage (`fe_fog_${zoneId}_${seed}`, 1.766 KB < 2 KB for 120x90 grid)
- [x] Verify line count limit (296 lines <= 300)
- [x] Write and verify unit tests (`proposed_test_war_fog.py` - 5/5 PASSED)
- [x] Run regression suite (96/96 PASSED in 1.33s)
- [x] Write `report.md` with complete architecture, code snippets, and evidence
- [x] Write `handoff.md` following 5-component protocol
- [x] Notify parent via send_message