Add in mana and an asset viewer

src/scenes/GameScene.ts

@@ -43,6 +43,8 @@ export class GameScene extends Phaser.Scene {
   private entityManager!: EntityManager;
   private progressionManager: ProgressionManager = new ProgressionManager();
 
+  private turnCount = 0; // Track turns for mana regen
+
   constructor() {
     super("GameScene");
   }
@@ -261,6 +263,19 @@ export class GameScene extends Phaser.Scene {
     const enemyStep = stepUntilPlayerTurn(this.world, this.playerId, this.entityManager);
     this.awaitingPlayer = enemyStep.awaitingPlayerId === this.playerId;
 
+    // Increment turn counter and handle mana regeneration
+    this.turnCount++;
+    if (this.turnCount % GAME_CONFIG.mana.regenInterval === 0) {
+      const player = this.world.actors.get(this.playerId) as CombatantActor;
+      if (player && player.stats.mana < player.stats.maxMana) {
+        const regenAmount = Math.min(
+          GAME_CONFIG.mana.regenPerTurn,
+          player.stats.maxMana - player.stats.mana
+        );
+        player.stats.mana += regenAmount;
+      }
+    }
+
 
     // Process events for visual fx
     const allEvents = [...playerEvents, ...enemyStep.events];