shared: add independent IPv4 and IPv6 collection [CI]

backend/src/MoShiro.Backend.Application/Ports/StorePorts.cs

@@ -108,6 +108,8 @@ public interface ITestStore
 
     ValueTask<IReadOnlyList<TestRecord>> ListAsync(NodeId? agentId, ProbeId? probeId, int limit, CancellationToken ct);
 
+    ValueTask<IReadOnlyList<TestRecord>> ListAsync(NodeId? agentId, ProbeId? probeId, int limit, string? ipVersion, CancellationToken ct);
+
     ValueTask<bool> UpdateStatusAsync(TestId id, string status, int? phase, string? errorCode, long nowMs, CancellationToken ct);
 
     ValueTask SetPhaseCountAsync(TestId id, int phaseCount, CancellationToken ct);