* feat: implement raw binary framing for host function responses Signed-off-by: Deluan <[email protected]> * feat: add CallRaw method for Subsonic API to handle binary responses Signed-off-by: Deluan <[email protected]> * test: add tests for raw=true methods and binary framing generation Signed-off-by: Deluan <[email protected]> * fix: improve error message for malformed raw responses to indicate incomplete header Signed-off-by: Deluan <[email protected]> * fix: add wasm_import_module attribute for raw methods and improve content-type handling Signed-off-by: Deluan <[email protected]> --------- Signed-off-by: Deluan <[email protected]>