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

@@ -2294,6 +2294,17 @@ assertSameList(
   requiredRustHostModules,
   'desktop shell Rust bridge modules',
 );
+const desktopExportImagePayloadBody = extractFunctionBody(
+  desktopHostBridgeFilesSource,
+  'export_image_payload',
+);
+if (
+  !desktopExportImagePayloadBody.includes(
+    'bytes.is_empty() || bytes.len() > EXPORT_IMAGE_MAX_BYTES',
+  )
+) {
+  throw new Error('desktop shell image export must reject empty and oversized bytes');
+}
 assertSameList(
   extractNativeAppTauriInvokeCommands(nativeAppHostBridgeSource),
   ['HOST_BRIDGE_TAURI_COMMAND'],