# Task Assignment — Reviewer M3-1 (Client Engine Review)

Review Milestone 3 client changes:
- `client/webapp/js/engine/biome_texture_manager.js`: verify active biome lazy loading, single active biome memory eviction (< 500 KB), procedural fallback, Node.js mock safety.
- `client/webapp/js/engine/tile_map_renderer.js`: verify pattern baking in `_bakeChunk`, 2.5D extrusion for walls/altars, deterministic hash decals, 4-plane SAT Diamond culling, LRU 8 slots (<= 16.5 MB RAM).
- `client/webapp/js/engine/tile_grid_loader.js`: verify biomeCode propagation on init and `?biome=` query param handling.
- `client/webapp/index.html`: verify `#debug-biome-selector` in `#simulator-bar`, line count <= 400.
- Run tests and check hygiene.
Report verdict in `handoff.md`.