Function prepare_dead_code_backend_prelude 

pub fn prepare_dead_code_backend_prelude<'a>(
    config: &'a ResolvedConfig,
    discovery: &'a AnalysisDiscovery,
) -> Result<DeadCodeBackendPrelude<'a>, FallowError>

Prepare plugin and script context for engine-owned dead-code orchestration.

Errors

Returns an error if plugin detection fails.