Show overlay upon player death

src/scenes/GameScene.ts

@@ -103,6 +103,11 @@ export class GameScene extends Phaser.Scene {
       this.emitUIUpdate();
     });
 
+    // Listen for game restart
+    this.events.on("restart-game", () => {
+      this.restartGame();
+    });
+
     // Mouse click -> compute path (only during player turn, and not while menu/minimap is open)
     this.input.on("pointerdown", (p: Phaser.Input.Pointer) => {
       if (!this.awaitingPlayer) return;
@@ -234,6 +239,20 @@ export class GameScene extends Phaser.Scene {
       }
     }
 
+    // Check if player died
+    if (!this.world.actors.has(this.playerId)) {
+      this.syncRunStateFromPlayer(); // Save final stats for death screen
+      const uiScene = this.scene.get("GameUI") as any;
+      if (uiScene) {
+        uiScene.showDeathScreen({
+          level: this.levelIndex,
+          gold: this.runState.inventory.gold,
+          stats: this.runState.stats
+        });
+      }
+      return;
+    }
+
     // Level transition
     if (isPlayerOnExit(this.world, this.playerId)) {
       this.syncRunStateFromPlayer();
@@ -285,6 +304,14 @@ export class GameScene extends Phaser.Scene {
     };
   }
 
+  private restartGame() {
+    this.runState = {
+      stats: { ...GAME_CONFIG.player.initialStats },
+      inventory: { gold: 0, items: [] }
+    };
+    this.loadLevel(1);
+  }
+
   private centerCameraOnPlayer() {
     const player = this.world.actors.get(this.playerId)!;
     this.cameras.main.centerOn(