收紧移动文档选择器门禁

锁定文本、文档和音频导入的 DocumentPicker 单选缓存配置

要求移动壳文件导入继续使用受控类型清单

同步 HostBridge 文件选择边界记录

apps/mobile-shell/scripts/check-config.mjs

@@ -264,6 +264,27 @@ function extractFunctionBody(source, functionName) {
   throw new Error(`unable to read complete function body ${functionName}`);
 }
 
+function assertMobileDocumentPickerBoundary(
+  functionName,
+  expectedTypeExpression,
+) {
+  const functionBody = extractFunctionBody(hostBridgeSource, functionName);
+  if (!functionBody.includes('DocumentPicker.getDocumentAsync({')) {
+    throw new Error(`mobile shell ${functionName} must use DocumentPicker`);
+  }
+  for (const requiredPickerOption of [
+    'copyToCacheDirectory: true',
+    'multiple: false',
+    `type: ${expectedTypeExpression}`,
+  ]) {
+    if (!functionBody.includes(requiredPickerOption)) {
+      throw new Error(
+        `mobile shell ${functionName} picker options missing ${requiredPickerOption}`,
+      );
+    }
+  }
+}
+
 function assertNoBlockedMobileChannelDependencies(packageJson, packageLabel) {
   const dependencySections = [
     'dependencies',
@@ -1548,6 +1569,19 @@ for (const [functionName, pickerCall] of [
   }
 }
 
+assertMobileDocumentPickerBoundary(
+  'importTextFile',
+  "['text/*', 'application/json']",
+);
+assertMobileDocumentPickerBoundary(
+  'importDocumentFile',
+  'MOBILE_DOCUMENT_PICKER_TYPES',
+);
+assertMobileDocumentPickerBoundary(
+  'importAudioFile',
+  'MOBILE_AUDIO_DOCUMENT_PICKER_TYPES',
+);
+
 if (
   !hostBridgeSource.includes(
     'const externalUrlPayload = normalizeHostBridgeExternalUrlPayload(',