chore : 升级 torch 2.11.0+cu128，移除自定义 Muon，修复 gloo device_id

- torch 2.7.1-cu126 升级至 2.11.0-cu128，numpy 2.3.2 升级至 2.4.4
- 移除 astrai/trainer/optim.py，改用 torch.optim.Muon
- parallel setup: gloo 后端不再传递 device_id，单卡多进程不再报错

astrai/__init__.py

@@ -47,7 +47,6 @@ from astrai.trainer import (
     BaseScheduler,
     BaseStrategy,
     CallbackFactory,
-    Muon,
     SchedulerFactory,
     StrategyFactory,
     TrainCallback,
@@ -75,7 +74,6 @@ __all__ = [
     "GenerationRequest",
     "InferenceEngine",
     "LoRAConfig",
-    "Muon",
     "Pipeline",
     "PipelineConfig",
     "ProtocolHandler",