fix(listing): confirm current groups and bound recovery lock waits

Distinguish all-drive native absence from read uncertainty and confirm current pool targets before omitting a recovered name. Cover both existing single-pool writer lock domains, release before encoding or output, and preserve cache terminal errors without blocking the HTTP error response on remote publication.

Keep ordinary entries free of recovery I/O and locks. Bound the selective short lock-conflict wait, preserve existing retry intervals and quorum, and make retries cancelable with late-grant cleanup coverage. Restore the original raw listing callback and unchanged scanner/healing/migration callers now that recovery errors originate in the merger.

Add deterministic deletion, pool ordering, cache, lock-routing and cancellation regressions to race CI. Focused cmd/dsync/lsync race suites and verifiers pass; complete current-main integration and bare-binary performance validation are recorded in PR #239.

Refs: https://github.com/pgsty/silo/issues/218
Signed-off-by: Feng Ruohang <rh@vonng.com>

cmd/global-heal.go

@@ -529,7 +529,7 @@ func (er *erasureObjects) healErasureSet(ctx context.Context, buckets []string,
 				jt.Take()
 				go healEntry(bucket, entry)
 			},
-			partial: func(entries metaCacheEntries, _ []error) error {
+			partial: func(entries metaCacheEntries, _ []error) {
 				entry, ok := entries.resolve(&resolver)
 				if !ok {
 					// check if we can get one entry at least
@@ -538,7 +538,6 @@ func (er *erasureObjects) healErasureSet(ctx context.Context, buckets []string,
 				}
 				jt.Take()
 				go healEntry(bucket, *entry)
-				return nil
 			},
 			finished: func(errs []error) {
 				success := countErrs(errs, nil)