shared: add independent IPv4 and IPv6 collection [CI]

backend/src/MoShiro.Backend.Application/Query/RowLoader.cs

@@ -139,7 +139,8 @@ public sealed class RowLoader
             IReadOnlyList<MetricRow> all = await _metrics.ReadAgentsAsync(ToLevel(plan.Source), agents, bySeries.Key, range.FromMs, range.ToMs, ct);
             foreach (IGrouping<NodeId, MetricRow> group in all.GroupBy(r => r.AgentId))
             {
-                result[new LineKey(group.Key, new ProbeId(bySeries.Key[RawChunkHeader.LinePrefix.Length..]))] = Decode([.. group]);
+                LineKey key = bySeries.First(l => l.Agent == group.Key);
+                result[key] = Decode([.. group]);
             }
         }