refactor(ads): [PKG-ADS-04] reconcile public types and historical imports

refactor/tasks.json

@@ -2590,11 +2590,14 @@
         "ENG-06",
         "CORE-07"
       ],
-      "status": "todo",
+      "status": "done",
       "risk": "H",
       "deliverable": "兼容真实 html/video/url/i18n、旧 export= 与工作区 source/type 类型接受面；时长 string/number 漂移与未实现别名单独处置",
       "acceptance": "严格类型检查、旧消费样例通过；声明路径/导出和同步异步兼容",
-      "evidence": []
+      "evidence": [
+        "changes/2026-09-12-PKG-ADS-04-types.md",
+        "baselines/ads-types-validation.json"
+      ]
     },
     {
       "id": "PKG-ADS-05",