Phase 28 Session 2: Chunk loading & player spawn update

SESSION 2 - Biome rendering implementation:

1. Player spawn updated for 500x500 world:
   - Default spawn: Center (250, 250) instead of (50, 50)
   - Spawn point is in Grassland biome (farm area)
   - Console logging for spawn location

2. Chunk loading on game start:
   - Initial chunks loaded around player spawn
   - 3x3 chunk grid (9 chunks total)
   - ~22,500 tiles loaded at startup
   - Console output shows chunk stats

3. Dynamic chunk loading in update loop:
   - ChunkManager updates based on player position
   - Auto-load chunks as player moves
   - Auto-unload distant chunks for performance
   - Smooth chunk transitions

Technical:
- Chunks update every frame based on player.getPosition()
- Only loads/unloads when player changes chunks
- Efficient: Only processes when chunk boundary crossed

Status: Session 2 - Implementation complete
Next: Test in-game, verify biome rendering

Files modified: 1 (GameScene.js)
Ready to reload and test!

docs/PHASE28_SESSION2_LOG.md

@@ -0,0 +1,57 @@
+# 🌍 PHASE 28 - SESSION 2 LOG
+
+**Date:** 15.12.2025 17:10  
+**Session:** Biome Rendering & Testing  
+**Status:** 🔄 IN PROGRESS
+
+---
+
+## 🎯 **SESSION 2 OBJECTIVES:**
+
+1. **Test Systems** - Verify BiomeSystem & ChunkManager initialize
+2. **Render Chunks** - Load initial chunks around player spawn
+3. **Biome Visuals** - Verify different biome tiles render
+4. **Performance** - Check FPS with chunk system
+5. **Debug** - Fix any issues that appear
+
+---
+
+## ✅ **COMPLETED:**
+
+### **Initial Setup** (5 min) ✅
+- Reloaded game with new systems
+- Monitoring console for initialization
+
+---
+
+## ⏳ **IN PROGRESS:**
+
+### **Testing Phase** (Started 17:10)
+- [ ] Check console for BiomeSystem initialization
+- [ ] Check console for ChunkManager initialization
+- [ ] Verify 500x500 terrain loads
+- [ ] Look for any errors
+
+---
+
+## 🐛 **ISSUES FOUND:**
+
+(To be documented as we test)
+
+---
+
+## 📊 **EXPECTED CONSOLE OUTPUT:**
+
+```
+🌍 Initializing Biome System (500x500 world)...
+🌍 Generating biome map...
+✅ Biome map generated!
+💾 Initializing Chunk Manager...
+💾 ChunkManager initialized (chunk size: 50x50)
+✅ BiomeSystem & ChunkManager connected to terrainSystem
+🎨 Flat2DTerrainSystem initialized (500x500 world)
+```
+
+---
+
+**Status:** Testing in progress...