diff --git a/App/lib/Stub/StubGen/VpiReader.vp b/App/lib/Stub/StubGen/VpiReader.vp
index 69fe99c..f8642d7 100644
--- a/App/lib/Stub/StubGen/VpiReader.vp
+++ b/App/lib/Stub/StubGen/VpiReader.vp
@@ -2262,6 +2262,26 @@ def _ParseVpiIntoModuleImpl(pool: memhub.MemBuddy*,
                             sub_sha1_rt = StubMergerStore.LookupSha1ByModNameSuffix(sifr_mod)
                 else:
                     sub_sha1_rt = StubMergerStore.LookupSha1ByModName(sifr_mod)
+                # [DBG-P7] 临时诊断（定位 ast.ClassDef 票名前缀分裂后删除）：仅对判定为
+                # 包 __init__ 的 stub 打印一行，确认"包判定是否成立 + 子模块 sha1 解析"。
+                if is_pkg_init_rt != 0:
+                    _mm_dbg: str = StubMergerStore.LookupModNameBySha1(src_sha1)
+                    if _mm_dbg is None:
+                        _mm_dbg = "?"
+                    _pp_dbg: str = pkg_prefix_rt
+                    if _pp_dbg is None:
+                        _pp_dbg = "?"
+                    _sm_dbg: str = sifr_mod
+                    if _sm_dbg is None:
+                        _sm_dbg = "?"
+                    _sq_dbg: str = sifr_mod_q
+                    if _sq_dbg is None:
+                        _sq_dbg = "?"
+                    _ss_dbg: str = sub_sha1_rt
+                    if _ss_dbg is None:
+                        _ss_dbg = "?"
+                    stdio.printf("[DBG-P7] pin stub=%s mod=%s level=%d sifr=%s sifr_q=%s pkg=%s sub=%s\n",
+                                 src_sha1, _mm_dbg, sifr.level, _sm_dbg, _sq_dbg, _pp_dbg, _ss_dbg)
                 # [D26 fail-fast] 包 __init__ 的 from-import 解析不出子模块 sha1 时
                 # **不再静默跳过**：跳过会让该子模块的类一个都注册不上 → 包 stub 里
                 # 引用这些类的注解在后续解析时落空 → 报错点远离真因（实测：报错指向
@@ -2615,6 +2635,19 @@ def _inject_reexport_class_declare(pool: memhub.MemBuddy*,
         return 0
     if src_name[0] == '\0' or local_name[0] == '\0':
         return 0
+    # [DBG-P7] 临时诊断（定位 ast.ClassDef 票名前缀分裂后删除）：只盯 ClassDef，
+    # 打印"源 entry 是否已注册 / 别名是否已存在"——src_entry=0 即别名必然建不起来
+    # （上游：子模块 vpi 未注入或该类未被注册）。
+    if string.strcmp(local_name, "ClassDef") == 0 or string.strcmp(src_name, "ClassDef") == 0:
+        _se_dbg: GenTypes.StructEntry* = GenApi.find_struct_by_module(src_name, sub_sha1)
+        _se_ok_dbg: int = 0
+        if _se_dbg is not None and _se_dbg.Ty is not None:
+            _se_ok_dbg = 1
+        _al_dbg: int = 0
+        if GenApi.find_struct_by_module(local_name, pkg_sha1) is not None:
+            _al_dbg = 1
+        stdio.printf("[DBG-P7] reexport-call src=%s local=%s sub=%s pkg=%s src_entry=%d alias=%d\n",
+                     src_name, local_name, sub_sha1, pkg_sha1, _se_ok_dbg, _al_dbg)
     # 幂等：包 sha1 下 local_name 已注册则跳过（重复 import 不重复注册）
     if GenApi.find_struct_by_module(local_name, pkg_sha1) is not None:
         return 1
diff --git a/App/lib/core/Gen/Type/TypeGenResolve.vp b/App/lib/core/Gen/Type/TypeGenResolve.vp
index 2fb568d..eaf60c8 100644
--- a/App/lib/core/Gen/Type/TypeGenResolve.vp
+++ b/App/lib/core/Gen/Type/TypeGenResolve.vp
@@ -255,6 +255,18 @@ novirtual class TypeGenResolve(TypeGenBase.TypeGenBase):
         if pool is None or cls_name is None or cand_sha1 is None:
             return cand_sha1
         e: GenTypes.StructEntry* = self.Gen.StructGen.find_struct_by_module(cls_name, cand_sha1)
+        # [DBG-P7] 临时诊断（定位 ast.ClassDef 票名前缀分裂后删除）：只盯 ClassDef，
+        # 打印"包别名 entry 是否命中"。miss ⇒ 别名没登记 ⇒ 前缀保留包 sha1（幽灵名）。
+        # 用 strstr 而非 strcmp：同时捕获 "ClassDef*" 形态（若尾随星号没被规则 1.6
+        # 剥掉，attr 会带星号 ⇒ 本条日志直接暴露"规则 1.6 没走到"）。
+        if string.strstr(cls_name, "ClassDef") is not None:
+            if e is None or e.Ty is None:
+                stdio.printf("[DBG-P7] true_def MISS cls=%s cand=%s\n", cls_name, cand_sha1)
+            else:
+                _nm_dbg: str = llvmlite.get_struct_name(e.Ty)
+                if _nm_dbg is None:
+                    _nm_dbg = "?"
+                stdio.printf("[DBG-P7] true_def HIT cls=%s cand=%s nm=%s\n", cls_name, cand_sha1, _nm_dbg)
         if e is None or e.Ty is None:
             return cand_sha1
         nm: str = llvmlite.get_struct_name(e.Ty)