diff --git a/App/lib/core/Gen/AssignGenMixin.vp b/App/lib/core/Gen/AssignGenMixin.vp
index 4bc7b7d..fbc73d0 100644
--- a/App/lib/core/Gen/AssignGenMixin.vp
+++ b/App/lib/core/Gen/AssignGenMixin.vp
@@ -1,16 +1,3 @@
-import lib.core.Gen.GenTypes as GenTypes
-import lib.core.Gen.Generator as Generator
-
-import lib.core.Gen.TypeGenCType as TypeGenCType
-
-import lib.core.Gen.ExprGenAttr as ExprGenAttr
-
-import lib.core.Gen.CallGenBase as CallGenBase
-
-import lib.core.Gen.CallGenFd as CallGenFd
-
-import lib.core.Gen.CallGenVt as CallGenVt
-
 import t, c
 from stdint import *
 import ast
@@ -24,8 +11,15 @@ import w32.fileio as fileio
 import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMergerStore as StubMergerStore
+import lib.Stub.StubMerger.StubMergerStore as StubMergerStore
 
+import lib.core.Gen.GenTypes as GenTypes
+import lib.core.Gen.Generator as Generator
+import lib.core.Gen.TypeGenCType as TypeGenCType
+import lib.core.Gen.ExprGenAttr as ExprGenAttr
+import lib.core.Gen.CallGenBase as CallGenBase
+import lib.core.Gen.CallGenFd as CallGenFd
+import lib.core.Gen.CallGenVt as CallGenVt
 
 # ============================================================
 # AssignGenMixin - 赋值翻译 Mixin（P6 方法化）
diff --git a/App/lib/core/Gen/CallGenBase.vp b/App/lib/core/Gen/CallGenBase.vp
index 51fd679..189423a 100644
--- a/App/lib/core/Gen/CallGenBase.vp
+++ b/App/lib/core/Gen/CallGenBase.vp
@@ -15,12 +15,12 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
-import lib.core.StubMergerCollect as StubMergerCollect
-import lib.core.StubMergerStore as StubMergerStore
-
+import lib.Stub.StubMerger.StubMergerCollect as StubMergerCollect
+import lib.Stub.StubMerger.StubMergerStore as StubMergerStore
+import lib.Stub.StubGen.VpiReader as VpiReader
 
 
 # ============================================================
@@ -355,7 +355,6 @@ class CallGenBase:
         """
         if pool is None or sha1 is None or func_name is None:
             return 0
-        import lib.StubGen.VpiReader as VpiReader
         if self.Gen.CallGenBase.TempDir is not None and self.Gen.CallGenBase.TempDirLen > 0:
             VpiReader._ensure_vpi_ret_annot_loaded(sha1, self.Gen.CallGenBase.TempDir)
         state_annot: str = VpiReader._lookup_vpi_ret_annot(sha1, None, func_name)
@@ -577,7 +576,6 @@ class CallGenBase:
         if pool is None or cls_sha1 is None or method_name is None:
             return None
         # 函数内懒 import：VpiReader imports HandlesExprCall，顶层 import 会成环
-        import lib.StubGen.VpiReader as VpiReader
         i32_ty: llvmlite.LLVMType | t.CPtr = llvmlite.Int32(pool)
         i8_ptr_ty: llvmlite.LLVMType | t.CPtr = llvmlite.Ptr(pool, llvmlite.Int8(pool))
         # 按需加载：缓存未命中时直接读 {temp_dir}/{sha1[0:2]}/{sha1}.vpi
diff --git a/App/lib/core/Gen/CallGenCBuiltin.vp b/App/lib/core/Gen/CallGenCBuiltin.vp
index 7ebaa18..bad0411 100644
--- a/App/lib/core/Gen/CallGenCBuiltin.vp
+++ b/App/lib/core/Gen/CallGenCBuiltin.vp
@@ -14,11 +14,10 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenBase as CallGenBase
 
 
diff --git a/App/lib/core/Gen/CallGenCall.vp b/App/lib/core/Gen/CallGenCall.vp
index 448c899..4a75c68 100644
--- a/App/lib/core/Gen/CallGenCall.vp
+++ b/App/lib/core/Gen/CallGenCall.vp
@@ -14,14 +14,14 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenBase as CallGenBase
 import lib.core.Handles.ExprCallTable as ExprCallTable
 
+
 # ============================================================
 # CallGenCall - CallGenMixin 拆分（阶段 B）：方法调用分派（含 super / 虚调用 / kwargs 名匹配）
 #
@@ -398,7 +398,7 @@ class CallGenCall(CallGenBase.CallGenBase):
         mdf_default_count: int = 0
         mdf_param_count: int = 0
         if trans is not None and trans._funcs is not None:
-            mdf_entry: FuncEntry | t.CPtr = ExprCallTable.find_func_entry_in_table(
+            mdf_entry: GenTypes.FuncEntry | t.CPtr = ExprCallTable.find_func_entry_in_table(
                 trans._funcs, trans._func_count, lookup_name)
             if mdf_entry is not None:
                 mdf_defaults = mdf_entry.Defaults
@@ -408,7 +408,7 @@ class CallGenCall(CallGenBase.CallGenBase):
         # 调用方函数表）Defaults 非 None 会短路跳过，但下方"用快照重建默认值"
         # 分支依赖 mdf_gd（唯一持有 stdlib 常量快照处）——缺它必 fatal_error
         # （ListTest list[int].__new__ 根因）
-        mdf_gd: FuncDefaultsEntry | t.CPtr = self.Gen.CallGenLeafKit.find_func_defaults(lookup_name)
+        mdf_gd: GenTypes.FuncDefaultsEntry | t.CPtr = self.Gen.CallGenLeafKit.find_func_defaults(lookup_name)
         if mdf_defaults is None and mdf_gd is not None:
             mdf_defaults = mdf_gd.Defaults
             mdf_default_count = mdf_gd.DefaultCount
@@ -1170,7 +1170,7 @@ class CallGenCall(CallGenBase.CallGenBase):
         mdf_default_count: int = 0
         mdf_param_count: int = 0
         if trans is not None and trans._funcs is not None:
-            mdf_entry: FuncEntry | t.CPtr = ExprCallTable.find_func_entry_in_table(
+            mdf_entry: GenTypes.FuncEntry | t.CPtr = ExprCallTable.find_func_entry_in_table(
                 trans._funcs, trans._func_count, lookup_name)
             if mdf_entry is not None:
                 mdf_defaults = mdf_entry.Defaults
@@ -1180,7 +1180,7 @@ class CallGenCall(CallGenBase.CallGenBase):
         # 调用方函数表）Defaults 非 None 会短路跳过，但下方"用快照重建默认值"
         # 分支依赖 mdf_gd（唯一持有 stdlib 常量快照处）——缺它必 fatal_error
         # （ListTest list[int].__new__ 根因）
-        mdf_gd: FuncDefaultsEntry | t.CPtr = self.Gen.CallGenLeafKit.find_func_defaults(lookup_name)
+        mdf_gd: GenTypes.FuncDefaultsEntry | t.CPtr = self.Gen.CallGenLeafKit.find_func_defaults(lookup_name)
         if mdf_defaults is None and mdf_gd is not None:
             mdf_defaults = mdf_gd.Defaults
             mdf_default_count = mdf_gd.DefaultCount
diff --git a/App/lib/core/Gen/CallGenCtor.vp b/App/lib/core/Gen/CallGenCtor.vp
index 02d3bd8..81ce889 100644
--- a/App/lib/core/Gen/CallGenCtor.vp
+++ b/App/lib/core/Gen/CallGenCtor.vp
@@ -14,14 +14,14 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenBase as CallGenBase
 import lib.core.Handles.ExprCallTable as ExprCallTable
 
+
 # ============================================================
 # CallGenCtor - CallGenMixin 拆分（阶段 B）：结构体构造 / 枚举构造 / 泛型构造 / 类型转换
 #
diff --git a/App/lib/core/Gen/CallGenDispatch.vp b/App/lib/core/Gen/CallGenDispatch.vp
index 1130f9c..ef745e3 100644
--- a/App/lib/core/Gen/CallGenDispatch.vp
+++ b/App/lib/core/Gen/CallGenDispatch.vp
@@ -17,13 +17,13 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenBase as CallGenBase
 
+
 # ============================================================
 # CallGenDispatch - CallGenMixin 拆分（阶段 C）：translate_call 检测段
 #
diff --git a/App/lib/core/Gen/CallGenFd.vp b/App/lib/core/Gen/CallGenFd.vp
index 42dedf8..0024457 100644
--- a/App/lib/core/Gen/CallGenFd.vp
+++ b/App/lib/core/Gen/CallGenFd.vp
@@ -14,13 +14,13 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenBase as CallGenBase
 
+
 # ============================================================
 # CallGenFd - CallGenMixin 拆分（阶段 B）：FakeDuck / requires 字段注入 / provider 栈
 #
diff --git a/App/lib/core/Gen/CallGenLeafKit.vp b/App/lib/core/Gen/CallGenLeafKit.vp
index f2c8c27..032a1a4 100644
--- a/App/lib/core/Gen/CallGenLeafKit.vp
+++ b/App/lib/core/Gen/CallGenLeafKit.vp
@@ -14,11 +14,10 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenCBuiltin as CallGenCBuiltin
 
 
diff --git a/App/lib/core/Gen/CallGenLib.vp b/App/lib/core/Gen/CallGenLib.vp
index e26291b..1376112 100644
--- a/App/lib/core/Gen/CallGenLib.vp
+++ b/App/lib/core/Gen/CallGenLib.vp
@@ -13,13 +13,13 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenBase as CallGenBase
 
+
 # ============================================================
 # CallGenLib - CallGenMixin 拆分（阶段 C）：C 库声明 / 返回类型推断 /
 # 变长参数 / memcpy / kwargs 调用辅助方法
diff --git a/App/lib/core/Gen/CallGenMixin.vp b/App/lib/core/Gen/CallGenMixin.vp
index fb11acb..7ebfc07 100644
--- a/App/lib/core/Gen/CallGenMixin.vp
+++ b/App/lib/core/Gen/CallGenMixin.vp
@@ -14,11 +14,10 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenBase as CallGenBase
 import lib.core.Handles.ExprCallTable as ExprCallTable
 
diff --git a/App/lib/core/Gen/CallGenProp.vp b/App/lib/core/Gen/CallGenProp.vp
index a08a5fd..7364e91 100644
--- a/App/lib/core/Gen/CallGenProp.vp
+++ b/App/lib/core/Gen/CallGenProp.vp
@@ -14,13 +14,13 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenBase as CallGenBase
 
+
 # ============================================================
 # CallGenProp - CallGenMixin 拆分（阶段 B）：属性访问（getter/setter/deleter / 静态类调用 / list 内置方法）
 #
diff --git a/App/lib/core/Gen/CallGenVa.vp b/App/lib/core/Gen/CallGenVa.vp
index 5b66a5f..7ac1dad 100644
--- a/App/lib/core/Gen/CallGenVa.vp
+++ b/App/lib/core/Gen/CallGenVa.vp
@@ -13,13 +13,13 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenBase as CallGenBase
 
+
 # ============================================================
 # CallGenVa - CallGenMixin 拆分（阶段 B）：va_arg 变长参数（start/arg/end / 变长调用提升）
 #
diff --git a/App/lib/core/Gen/CallGenVt.vp b/App/lib/core/Gen/CallGenVt.vp
index 69b91b1..134d203 100644
--- a/App/lib/core/Gen/CallGenVt.vp
+++ b/App/lib/core/Gen/CallGenVt.vp
@@ -16,13 +16,13 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.CallGenBase as CallGenBase
 
+
 # ============================================================
 # CallGenVt - CallGenMixin 拆分（阶段 B）：vtable 槽位写入
 #
diff --git a/App/lib/core/Gen/ClassGenBase.vp b/App/lib/core/Gen/ClassGenBase.vp
index 8bc4bfb..a749c5f 100644
--- a/App/lib/core/Gen/ClassGenBase.vp
+++ b/App/lib/core/Gen/ClassGenBase.vp
@@ -11,7 +11,7 @@ import stdlib
 import viperlib
 import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesTranslator as HT
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 
 
diff --git a/App/lib/core/Gen/ClassGenDef.vp b/App/lib/core/Gen/ClassGenDef.vp
index b3b5325..2759dd8 100644
--- a/App/lib/core/Gen/ClassGenDef.vp
+++ b/App/lib/core/Gen/ClassGenDef.vp
@@ -10,12 +10,12 @@ import stdlib
 import viperlib
 import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesTranslator as HT
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.ClassGenBase as ClassGenBase
 
+
 # ============================================================
 # ClassGenDef - ClassGenMixin 拆分（阶段 D）：translate_class_def 主入口
 #
diff --git a/App/lib/core/Gen/ClassGenEnum.vp b/App/lib/core/Gen/ClassGenEnum.vp
index 5cf28a5..631a840 100644
--- a/App/lib/core/Gen/ClassGenEnum.vp
+++ b/App/lib/core/Gen/ClassGenEnum.vp
@@ -10,10 +10,9 @@ import stdlib
 import viperlib
 import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesTranslator as HT
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.ClassGenBase as ClassGenBase
 
 
diff --git a/App/lib/core/Gen/ClassGenGeneric.vp b/App/lib/core/Gen/ClassGenGeneric.vp
index 1a27410..ce30e1d 100644
--- a/App/lib/core/Gen/ClassGenGeneric.vp
+++ b/App/lib/core/Gen/ClassGenGeneric.vp
@@ -10,12 +10,11 @@ import stdlib
 import viperlib
 import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesTranslator as HT
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.ClassGenBase as ClassGenBase
-import lib.core.StubMergerStore as StubMergerStore
+import lib.Stub.StubMergerStore as StubMergerStore
 
 
 # 泛型特化递归深度上限（泛型循环套用防护）
diff --git a/App/lib/core/Gen/ClassGenMixin.vp b/App/lib/core/Gen/ClassGenMixin.vp
index 1b362c1..69283fe 100644
--- a/App/lib/core/Gen/ClassGenMixin.vp
+++ b/App/lib/core/Gen/ClassGenMixin.vp
@@ -9,7 +9,7 @@ import stdlib
 import viperlib
 import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesTranslator as HT
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 import lib.core.Gen.ClassGenBase as ClassGenBase
 
diff --git a/App/lib/core/Gen/ClassGenVTable.vp b/App/lib/core/Gen/ClassGenVTable.vp
index 9a3f1b2..f42a464 100644
--- a/App/lib/core/Gen/ClassGenVTable.vp
+++ b/App/lib/core/Gen/ClassGenVTable.vp
@@ -10,10 +10,9 @@ import stdlib
 import viperlib
 import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesTranslator as HT
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 
-
 import lib.core.Gen.ClassGenBase as ClassGenBase
 import lib.core.Handles.ExprCallTable as ExprCallTable
 
diff --git a/App/lib/core/Gen/ExprGenAttr.vp b/App/lib/core/Gen/ExprGenAttr.vp
index d2e1561..02646ac 100644
--- a/App/lib/core/Gen/ExprGenAttr.vp
+++ b/App/lib/core/Gen/ExprGenAttr.vp
@@ -14,8 +14,8 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
-import lib.core.StubMergerStore as StubMergerStore
+import lib.Stub.StubMerger as StubMerger
+import lib.Stub.StubMerger.StubMergerStore as StubMergerStore
 import lib.core.VLogger as VLogger
 import lib.Projectrans.Config as Config
 import lib.Projectrans.Utils as Utils
diff --git a/App/lib/core/Gen/ExprGenBase.vp b/App/lib/core/Gen/ExprGenBase.vp
index a0a02ee..5846b3f 100644
--- a/App/lib/core/Gen/ExprGenBase.vp
+++ b/App/lib/core/Gen/ExprGenBase.vp
@@ -14,7 +14,7 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.VLogger as VLogger
 import lib.Projectrans.Config as Config
 import lib.Projectrans.Utils as Utils
diff --git a/App/lib/core/Gen/ExprGenCdef.vp b/App/lib/core/Gen/ExprGenCdef.vp
index 741b74b..5e54783 100644
--- a/App/lib/core/Gen/ExprGenCdef.vp
+++ b/App/lib/core/Gen/ExprGenCdef.vp
@@ -13,15 +13,15 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.VLogger as VLogger
 import lib.Projectrans.Config as Config
 import lib.Projectrans.Utils as Utils
 
-
 import lib.core.Gen.ExprGenBase as ExprGenBase
-import lib.core.StubMergerCollect as StubMergerCollect
-import lib.core.StubMergerStore as StubMergerStore
+import lib.Stub.StubMerger.StubMergerCollect as StubMergerCollect
+import lib.Stub.StubMerger.StubMergerStore as StubMergerStore
+
 
 # ============================================================
 # ExprGenCdef - ExprGenMixin 拆分（阶段 D）：跨模块 CDefine 查找
diff --git a/App/lib/core/Gen/ExprGenCls.vp b/App/lib/core/Gen/ExprGenCls.vp
index 7758285..d956bce 100644
--- a/App/lib/core/Gen/ExprGenCls.vp
+++ b/App/lib/core/Gen/ExprGenCls.vp
@@ -16,14 +16,14 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.VLogger as VLogger
 import lib.Projectrans.Config as Config
 import lib.Projectrans.Utils as Utils
 
-
 import lib.core.Gen.ExprGenBase as ExprGenBase
-import lib.core.StubMergerStore as StubMergerStore
+import lib.Stub.StubMerger.StubMergerStore as StubMergerStore
+
 
 # ============================================================
 # docstring 登记表容量常量（与 ExprGenMixin 保持一致，本地副本避免
diff --git a/App/lib/core/Gen/ExprGenConst.vp b/App/lib/core/Gen/ExprGenConst.vp
index deb78a4..613ee5d 100644
--- a/App/lib/core/Gen/ExprGenConst.vp
+++ b/App/lib/core/Gen/ExprGenConst.vp
@@ -14,14 +14,14 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.VLogger as VLogger
 import lib.Projectrans.Config as Config
 import lib.Projectrans.Utils as Utils
 
-
 import lib.core.Gen.ExprGenBase as ExprGenBase
 
+
 # ============================================================
 # ExprGenConst - ExprGenMixin 拆分（阶段 D）：常量/全局字符串/list 字面量翻译
 #
diff --git a/App/lib/core/Gen/ExprGenFstr.vp b/App/lib/core/Gen/ExprGenFstr.vp
index a006806..92e81ab 100644
--- a/App/lib/core/Gen/ExprGenFstr.vp
+++ b/App/lib/core/Gen/ExprGenFstr.vp
@@ -13,7 +13,7 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.VLogger as VLogger
 import lib.Projectrans.Config as Config
 import lib.Projectrans.Utils as Utils
diff --git a/App/lib/core/Gen/ExprGenMixin.vp b/App/lib/core/Gen/ExprGenMixin.vp
index c6730fc..41a5f60 100644
--- a/App/lib/core/Gen/ExprGenMixin.vp
+++ b/App/lib/core/Gen/ExprGenMixin.vp
@@ -13,12 +13,13 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.VLogger as VLogger
 import lib.Projectrans.Config as Config
 import lib.Projectrans.Utils as Utils
 import lib.core.Gen.ExprGenBase as ExprGenBase
 
+
 # ============================================================
 # docstring 登记表容量（__doc__ 魔法属性支持）
 #
diff --git a/App/lib/core/Gen/ExprGenName.vp b/App/lib/core/Gen/ExprGenName.vp
index ae8f3e9..128e802 100644
--- a/App/lib/core/Gen/ExprGenName.vp
+++ b/App/lib/core/Gen/ExprGenName.vp
@@ -14,8 +14,8 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
-import lib.core.StubMergerStore as StubMergerStore
+import lib.Stub.StubMerger as StubMerger
+import lib.Stub.StubMerger.StubMergerStore as StubMergerStore
 import lib.core.VLogger as VLogger
 import lib.Projectrans.Config as Config
 import lib.Projectrans.Utils as Utils
diff --git a/App/lib/core/Gen/ExprGenOps.vp b/App/lib/core/Gen/ExprGenOps.vp
index 98e6e7b..194d1d8 100644
--- a/App/lib/core/Gen/ExprGenOps.vp
+++ b/App/lib/core/Gen/ExprGenOps.vp
@@ -14,7 +14,7 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.VLogger as VLogger
 import lib.Projectrans.Config as Config
 import lib.Projectrans.Utils as Utils
diff --git a/App/lib/core/Gen/FuncGenBase.vp b/App/lib/core/Gen/FuncGenBase.vp
index 3c331e7..c610322 100644
--- a/App/lib/core/Gen/FuncGenBase.vp
+++ b/App/lib/core/Gen/FuncGenBase.vp
@@ -11,7 +11,7 @@ import lib.core.VLogger as VLogger
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-
+import lib.core.Gen.CallGenBase as CallGenBase
 
 # ============================================================
 # FuncGenBase - FuncGenMixin 拆分（阶段 D）：函数属性 / 命名 / mangle / create_function 基础工具
diff --git a/App/lib/core/Gen/FuncGenDef.vp b/App/lib/core/Gen/FuncGenDef.vp
index 01b6660..c7bf8af 100644
--- a/App/lib/core/Gen/FuncGenDef.vp
+++ b/App/lib/core/Gen/FuncGenDef.vp
@@ -13,6 +13,7 @@ import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
 import lib.core.Handles.ExprCallTable as ExprCallTable
+import lib.core.Gen.CallGenBase as CallGenBase
 
 
 # ============================================================
diff --git a/App/lib/core/Gen/GenApi.vp b/App/lib/core/Gen/GenApi.vp
index da5b0f9..611d96c 100644
--- a/App/lib/core/Gen/GenApi.vp
+++ b/App/lib/core/Gen/GenApi.vp
@@ -3,7 +3,7 @@ from stdint import *
 import ast
 import lib.Projectrans.Config as Config
 import lib.Projectrans.Utils as Utils
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.VLogger as VLogger
 import llvmlite
 import memhub
diff --git a/App/lib/core/Gen/ImportsGenMixin.vp b/App/lib/core/Gen/ImportsGenMixin.vp
index 1d4c41a..74d1039 100644
--- a/App/lib/core/Gen/ImportsGenMixin.vp
+++ b/App/lib/core/Gen/ImportsGenMixin.vp
@@ -9,10 +9,10 @@ import viperlib
 import stdio
 import sys
 import w32.fileio as fileio
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 import lib.core.Handles.HandlesTranslator as HT
-import lib.core.StubMergerStore as StubMergerStore
+import lib.Stub.StubMerger.StubMergerStore as StubMergerStore
 
 
 # ============================================================
diff --git a/App/lib/core/Gen/TypeGenBase.vp b/App/lib/core/Gen/TypeGenBase.vp
index d1ea7ad..74e5549 100644
--- a/App/lib/core/Gen/TypeGenBase.vp
+++ b/App/lib/core/Gen/TypeGenBase.vp
@@ -10,7 +10,7 @@ import viperlib
 import stdio
 import stdlib
 import lib.core.VLogger as VLogger
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 
 
diff --git a/App/lib/core/Gen/TypeGenCDef.vp b/App/lib/core/Gen/TypeGenCDef.vp
index 8db1946..269b429 100644
--- a/App/lib/core/Gen/TypeGenCDef.vp
+++ b/App/lib/core/Gen/TypeGenCDef.vp
@@ -12,7 +12,7 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 
 
diff --git a/App/lib/core/Gen/TypeGenCType.vp b/App/lib/core/Gen/TypeGenCType.vp
index 9c8dec2..8183b9c 100644
--- a/App/lib/core/Gen/TypeGenCType.vp
+++ b/App/lib/core/Gen/TypeGenCType.vp
@@ -12,7 +12,7 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 
 
diff --git a/App/lib/core/Gen/TypeGenErr.vp b/App/lib/core/Gen/TypeGenErr.vp
index e67b160..45674e7 100644
--- a/App/lib/core/Gen/TypeGenErr.vp
+++ b/App/lib/core/Gen/TypeGenErr.vp
@@ -11,7 +11,7 @@ import stdio
 import stdlib
 import w32.fileio as fileio
 import lib.core.VLogger as VLogger
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 import lib.core.Handles.HandlesTranslator as HT
 
diff --git a/App/lib/core/Gen/TypeGenResolve.vp b/App/lib/core/Gen/TypeGenResolve.vp
index b110c55..de3d2ad 100644
--- a/App/lib/core/Gen/TypeGenResolve.vp
+++ b/App/lib/core/Gen/TypeGenResolve.vp
@@ -14,7 +14,7 @@ import lib.core.Handles.HandlesBase as HandlesBase
 import lib.core.Handles.HandlesTranslator as HT
 import lib.core.Handles.HandlesExpr as HandlesExpr
 import lib.core.Handles.HandlesExprCall as HandlesExprCall
-import lib.core.StubMerger as StubMerger
+import lib.Stub.StubMerger as StubMerger
 import lib.core.CompilerFactory as CompilerFactory
 
 
@@ -875,7 +875,6 @@ class TypeGenResolve(TypeGenBase.TypeGenBase):
             # 导致方法体永远不生成 → GSList[Line].append 等符号只有 declare 无 define → 链接失败。
             # 此处 Phase B 且方法体未译时，调用 _specialize_generic_class 走其已注册分支补译方法体。
             if trans is not None and trans._declare_only == 0:
-                import lib.core.Handles.HandlesClassDef as HandlesClassDef
                 gen_spec_entry: GenTypes.StructEntry | t.CPtr = self.Gen.StructGen.find_struct(gen_mangled)
                 if gen_spec_entry is not None and gen_spec_entry.MethodsEmitted == 0:
                     # 错误定位：压入触发特化的调用方帧（注解所在文件+行号），
@@ -889,8 +888,6 @@ class TypeGenResolve(TypeGenBase.TypeGenBase):
         # 未特化：尝试主动触发泛型特化（与 TPC _HandleSubscript 对齐）
         # 当 trans 可用时，检查是否是泛型模板并触发特化
         if trans is not None:
-            import lib.core.Handles.HandlesClassDef as HandlesClassDef
-            import lib.core.Handles.HandlesExprCall as HandlesExprCall
             template_cd_chk: ast.ClassDef | t.CPtr = self.Gen.ClassGenGeneric._find_generic_template(gen_cls_name)
             if template_cd_chk is not None:
                 type_args_chk: list[str] | t.CPtr = self.Gen.CallGenCtor._extract_type_args_from_slice(
@@ -1364,7 +1361,6 @@ class TypeGenResolve(TypeGenBase.TypeGenBase):
             # 模块限定泛型类: numpy.ndarray[t.CDouble] → 裸类名 ndarray 走泛型特化
             # （在 t.CArray / t.Callable 检查之前；模板已注册即视为泛型类）
             if trans is not None:
-                import lib.core.Handles.HandlesClassDef as HandlesClassDef
                 if self.Gen.ClassGenGeneric._find_generic_template(arr_at.attr) is not None:
                     return self._resolve_generic_subscript_ty(pool, sub, arr_at.attr, trans,
                                                               imported_modules, from_imports)