Default GAME_POLL_INTERVAL to 15s: nvidia-smi polls keep the GPU awake

internal/config/config.go

@@ -116,7 +116,7 @@ func Defaults() Config {
 		// ComfyUI runs under python; excluding it (and Ollama) by name keeps
 		// our own consumers from tripping the foreign-VRAM check.
 		GPUIgnoreProcs:   []string{"ollama", "ollama app", "ollama_llama_server", "python", "pythonw"},
-		GamePollInterval: 5 * time.Second,
+		GamePollInterval: 15 * time.Second,
 
 		LogLevel: slog.LevelWarn,
 	}