refactor(chromecast): [PKG-CAST-04] preserve published types and add runtime entry

refactor/tasks.json

@@ -2518,7 +2518,7 @@
       "dependsOn": [
         "BASE-05"
       ],
-      "status": "todo",
+      "status": "doing",
       "risk": "H",
       "deliverable": "模型参数、start/stop、默认下载路径及 mask 样式",
       "acceptance": "源码/声明/README/demo/发布包差异已登记；公开形状和版本范围冻结；接续 SDK-08，分别核实 Yarn 解析版本、未固定版本的模型 solutionPath 和资源来源",
@@ -3065,11 +3065,14 @@
         "ENG-06",
         "CORE-07"
       ],
-      "status": "todo",
+      "status": "done",
       "risk": "H",
       "deliverable": "Cast 能力 adapter、全局对象和元数据类型",
       "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/2026-09-13-PKG-CAST-04-types.md",
+        "baselines/chromecast-types-validation.json"
+      ]
     },
     {
       "id": "PKG-CAST-05",
@@ -3243,7 +3246,7 @@
       "dependsOn": [
         "BASE-05"
       ],
-      "status": "todo",
+      "status": "doing",
       "risk": "H",
       "deliverable": "emit/load/config/hide/show/reset/mount、option/isHide/isStop/icons 与事件清单",
       "acceptance": "源码、声明、发布包、Bilibili 输入和设置入口对照",