❌ BUG FIX#3 - Runtime Error:
**Problem:**
- MasterWeatherSystem.js:460 - rainEmitter.setSpeedX is not a function
- No null check before accessing particle emitter methods
- Crashed when entering GameScene (New Game)
**Root Cause:**
- Particle emitters not initialized yet when update() called
- Missing method existence check
**Solution:**
- Added null checks: this.rainEmitter && this.snowEmitter
- Added method existence check: typeof setSpeedX === 'function'
- Prevents crash if emitters not ready
**Changes:**
- Line 458: Added null + method check for rainEmitter
- Line 463: Added null + method check for snowEmitter
✅ Game now loads past menu into GameScene
✅ Ready for TestVisualAudioScene test
**Test:** game.scene.start('TestVisualAudioScene')