Method beginBatch

src/resolution/index.ts:1625–1636

(batch: UnresolvedReference[])

    // Sequential batches stay lazy: they run on the main thread at settle
    // time, where an early start would only contend with the persist.
    const beginBatch = (batch: UnresolvedReference[]): InFlight => {
      if (pool && poolReady && ResolverPool.worthParallel(batch.length)) {
        return {
          mode: 'pool',
          settled: pool.resolveBatch(batch).then(
            (out) => ({ ok: true as const, out }),
            (err: unknown) => ({ ok: false as const, err })
          ),
        };
      }
      return { mode: 'seq' };
    };

    // Settle an in-flight batch to a ResolutionResult. Deferred post-pass refs
    // are appended HERE, in loop order — never inside the fan-out promise — so