# Progress Report - Explorer M4.3 (Minimap HUD Component & DOM Mounting)

- **Status**: COMPLETE
- **Last visited**: 2026-10-01T21:24:35Z
- **Milestone**: Milestone 4 / R4: Fog of War & Minimap HUD Architecture
- **Deliverables**:
  - `report.md`: Comprehensive technical architecture and design report.
  - `handoff.md`: 5-component self-contained handoff report.
  - `proposed_minimap_hud.js`: Production-ready implementation of `MinimapHUD` (252 lines $\le 280$).
  - `proposed_test_fog_and_minimap.py`: 14 automated unit tests verifying projection, fog state transitions, dynamic indicators, battery throttling, and line caps (14/14 passed in 0.25s).
  - `proposed_index_patch.diff`: Zero-bloat DOM integration for `client/webapp/index.html` (199 lines $\le 200$).