Fix missing trees at game start by generating them after npcWorldX is set

game.js

@@ -1036,9 +1036,7 @@ class Game {
     this.show('map');
     this._showController(true);
 
-    /* We need the viewport size — defer a tick so the DOM is laid out */
     requestAnimationFrame(() => {
-      this._generateTrees();
       const world = document.getElementById('map-inner');
       const viewW = world ? world.parentElement.offsetWidth : 420;
 
@@ -1048,14 +1046,14 @@ class Game {
         this.state.npcWorldX = Math.round(viewW * 3.5);
         this.state.npcWorldY = 0;
       } else {
-        /* Always reset camera to 0 each question — keeps trees in view.
-           NPC spawns off-screen right relative to fresh origin. */
         this.state.worldX    = 0;
         this.state.worldY    = 0;
         this.state.npcWorldX = Math.round(viewW * 3.0 + Math.random() * viewW * 0.8);
         this.state.npcWorldY = 0;
       }
 
+      this._generateTrees();
+
       document.getElementById('hud-name').textContent = this.state.playerName||'ASH';
       this.updateHUD();