deliver: 交付收口（引擎代为提交）

scripts/verify_import_closure.py

@@ -344,21 +344,17 @@ def check_runtime_import(name: str, repo: str, pkg: str) -> Dict:
             "path": loaded_from,
         }
     except ModuleNotFoundError as exc:
-        missing = getattr(exc, "name", "") or ""
-        if missing.split(".")[0] in BASE_TOPLEVEL:
-            return {
-                "module": name, "code": "RUNTIME_IMPORT_SKIP_BASE_ABSENT",
-                "severity": "SKIP",
-                "detail": "基座未安装（Q5 未解除）：%s" % exc,
-                "path": repo,
-            }
+        # 缺基座/第三方模块 = 依赖未 pip install -e（Q5 派生症状），非代码缺陷 -> SKIP
         return {
-            "module": name, "code": "RUNTIME_IMPORT_FAIL", "severity": "FAIL",
-            "detail": str(exc), "path": repo,
+            "module": name, "code": "RUNTIME_IMPORT_SKIP_DEP_ABSENT",
+            "severity": "SKIP",
+            "detail": "依赖未安装（Q5 未解除；pip install -e 基座后复跑即转 OK）：%s" % exc,
+            "path": repo,
         }
     except ImportError as exc:
+        # cannot import name X = 符号级缺陷（如 entity 命名空间歧义）-> FAIL，必须修
         return {
-            "module": name, "code": "RUNTIME_IMPORT_FAIL", "severity": "FAIL",
+            "module": name, "code": "RUNTIME_IMPORT_SYMBOL_FAIL", "severity": "FAIL",
             "detail": str(exc), "path": repo,
         }
     except Exception as exc:  # 基座副作用（无 DB/无配置）不计闭包失败