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/metacache-listing-locks_test.go

@@ -75,7 +75,7 @@ func TestListFallbackMultiPoolReadLock(t *testing.T) {
 	var readErr error
 	go func() {
 		defer close(done)
-		entry, readErr = set.resolveListEntry(ctx, bucket, entries, errs, &resolver, z.listingNSLock(set))
+		entry, readErr = z.resolveListingGroup(ctx, bucket, []*metaCacheEntry{set.resolveListEntry(entries, errs, &resolver)})
 	}()
 	waitForListingReadLock(t, z.serverPools[0].sets[0].nsMutex, bucket, object, done)
 	lock.Unlock(lkctx)