backend: serve single-agent task templates with their status and results, rename the kinds in storage

backend/tests/MoShiro.Backend.Tests/AgentMeshTests.cs

@@ -41,7 +41,7 @@ public sealed class AgentMeshTests : IClassFixture<BackendFixture>
         await BackendFixture.EventuallyAsync(async () =>
         {
             JsonNode chunks = await _backend.GetJsonAsync(_backend.Admin, $"/api/admin/raw/chunks?agent_id={listener.Id}");
-            return chunks["items"]!.AsArray().Any(c => c!["kind"]!.GetValue<string>() == "udp_echo" && c["series"]!.GetValue<string>() == "line:" + dialer.Id);
+            return chunks["items"]!.AsArray().Any(c => c!["kind"]!.GetValue<string>() == "quic_ping" && c["series"]!.GetValue<string>() == "line:" + dialer.Id);
         }, TimeSpan.FromSeconds(40), "the line should persist measured packet data");
     }
 }