Function render_jobs 

pub async fn render_jobs<C>(
    txn: &C,
    actor_id_counter: &AtomicU32,
    job_ids: HashSet<JobId>,
    workers: BTreeMap<WorkerId, WorkerInfo>,
    adaptive_parallelism_strategy: AdaptiveParallelismStrategy,
) -> MetaResult<RenderedGraph>
where
    C: ConnectionTrait,

Job-scoped rendering entry point that walks every no-shuffle root belonging to the provided streaming jobs before delegating to the shared rendering backend.