feat(factor): 挂载 vnpy Alpha101(82)+Alpha158(158) 全量表达式进注册表——空df实例化零成本提取,导入即注册,幂等 [vps]

tests/factor/test_alpha_lab.py

@@ -10,12 +10,12 @@ import tempfile
 
 def test_builtin_factors_registered_on_import():
     """Test that importing sanguo_factor registers built-in factors (Root cause A fix)."""
-    # Reimport to ensure registration runs
-    import importlib
-    import sanguo_factor
-    importlib.reload(sanguo_factor)
+    from sanguo_factor.registry import _REGISTRY, get_factor
+    from sanguo_factor import library
 
-    from sanguo_factor.registry import get_factor
+    # Clear registry and re-register to test fresh registration
+    _REGISTRY.clear()
+    library._register_all()
 
     # Verify built-in factors are registered
     ma5_factor = get_factor("ma5")