Fix: Default portsNeeded to 1 for game containers

Game containers always need at least 1 port for backend connectivity to Velocity proxy. Without this default, game provisioning skips port allocation entirely, breaking EdgePublisher and Velocity registration.

src/api/handlers/provisionGame.js

@@ -1,4 +1,4 @@
-// src/api/provisionGame.js
+// src/api/handlers/provisionGame.js
 // GAME-SIDE request normalization + validation (no payload changes yet)
 
 export function normalizeGameRequest(body = {}) {
@@ -42,7 +42,7 @@ export function normalizeGameRequest(body = {}) {
     cpuCores,
     memoryMiB,
     diskGiB,
-    portsNeeded,
+    portsNeeded: portsNeeded || 1,  // Default to 1 port for game containers
 
     artifactPath,
     javaPath,