This bindgen setup generates Dart wrapper files from C++ API headers.

• Input: cxx_impl/src/**/*.h (excluding capi and platform)
• Output: bindgen/out/**/*.dart
• FFI policy: wrappers call existing CNativeApiBindings methods from ffigen output

cd nativeapi-flutter
PYTHONPATH=packages/cnativeapi/cxx_impl/tools python3 -m bindgen \
  --config bindgen/config.yaml \
  --dump-ir bindgen/out/ir.json \
  --out bindgen/out

• This does not regenerate lib/src/bindings_generated.dart.
• Add symbol exceptions in mapping.options.symbol_overrides.