pub fn parse_rwkv7_compression_backend_method(
method: Option<&str>,
coder: CoderType,
options: &CompressionBackendShorthandOptions,
) -> SpecResult<CompressionBackend>Expand description
Parse RWKV7 compression backend shorthand into a canonical backend configuration.
When method is empty or absent, this falls back to
CompressionBackendShorthandOptions::default_rwkv_model_path.
If the backend-rwkv feature is disabled, this returns a spec error.