加入了 GVSDSDK 模块，进行了 QModel 兼容层的尝试，生产环境可用

gvsdsdk/commission/strategies/__init__.py

@@ -0,0 +1,10 @@
+"""gvsdsdk.commission.strategies — 分佣策略引擎"""
+
+
+def __getattr__(name):
+    if name in ('CreateStrategy', 'BaseSplitStrategy', 'PercentageStrategy', 'FixedStrategy', 'TieredStrategy', 'RemainderStrategy', 'WithdrawalFeeStrategy'):
+        from gvsdsdk.commission.strategies import engine as _m
+        val = getattr(_m, name)
+        globals()[name] = val
+        return val
+    raise AttributeError(f"module 'gvsdsdk.commission.strategies' has no attribute {name!r}")