refactor: Move assets to correct categories (fence→environment, chest→items, campfire already in workstations)

src/scenes/PreloadScene.js

@@ -389,7 +389,7 @@ class PreloadScene extends Phaser.Scene {
         // 🔉 AUDIO ASSETS
         this.load.audio('footstep_grass', 'assets/audio/footstep_grass.wav');
         this.load.audio('wood_chop', 'assets/audio/wood_chop.wav');
-        this.load.audio('forest_ambient', 'assets/audio/forest_ambient.mp3');
+        // this.load.audio('forest_ambient', 'assets/audio/forest_ambient.mp3'); // ⚠️  DISABLED - file is HTML, not MP3 (corrupted)
 
         console.log('🔉 Audio assets queued for loading');
     }