收紧分享载荷边界

将 share.open 分享目标归一化提升到共享 HostBridge 契约

让 H5 facade 和 Expo 移动壳按共享分享边界发送与消费载荷

把原生分享 URL 统一映射到公开 H5 主站地址

增加分享载荷测试和三端壳总门禁反查

同步宿主壳协议文档和共享决策记录

scripts/check-native-shells.mjs

@@ -1047,6 +1047,19 @@ function assertH5HostBridgePayloadBoundaries() {
       'H5 HostBridge facade must normalize app.openExternalUrl payloads with the shared external URL boundary',
     );
   }
+  if (
+    !h5HostBridgeSource.includes(
+      'absolutizeHostSharePayloadUrls(params),',
+    ) ||
+    !h5HostBridgeSource.includes("normalizedPayload.status !== 'valid'") ||
+    !h5HostBridgeSource.includes(
+      "return await requestNativeHostBoolean(\n      'share.open',\n      normalizedPayload.payload,\n    );",
+    )
+  ) {
+    throw new Error(
+      'H5 HostBridge facade must normalize share.open payloads with the shared share boundary',
+    );
+  }
   if (
     !h5HostBridgeSource.includes(
       'const clipboardText = normalizeHostBridgeClipboardText(text);',