refactor(jassub): [PKG-JASSUB-03] isolate registration and fix adapter cleanup

refactor/tasks.json

@@ -2455,11 +2455,14 @@
         "CORE-15",
         "CORE-16"
       ],
-      "status": "todo",
+      "status": "done",
       "risk": "H",
       "deliverable": "仅整理自有 adapter/销毁；保留第三方文件及来源",
       "acceptance": "结构变化和缺陷修复分开记录；原 API/事件/资源生命周期通过",
-      "evidence": []
+      "evidence": [
+        "changes/2026-09-14-PKG-JASSUB-03-registration.md",
+        "baselines/jassub-registration-validation.json"
+      ]
     },
     {
       "id": "PKG-JASSUB-04",