Function execute_bench_request 

pub fn execute_bench_request(
    root: &ProjectRoot,
    req: BenchRequest,
    registry: &ExtractorRegistry,
    resolvers: &ResolverRegistry,
) -> Result<BenchResponse, AqlError>

Execute a bench request end-to-end: validate, build cases, run, return results.

All orchestration logic lives here; shims only parse their input format and format output.