nativeAssetsVendoredCSources top-level constant
nitro C-runtime sources the hook compiles alongside the bridge (vendored
into the plugin's src/nitro_native/ at link time — the DL API provides
Dart_InitializeApiDL / Dart_PostCObject_DL the async/stream paths need).
Implementation
const nativeAssetsVendoredCSources = ['dart_api_dl.c'];