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

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

@@ -11,7 +11,7 @@ using MoShiro.TestSupport;
 
 namespace MoShiro.Backend.Tests;
 
-/// <summary>首次启动种入的默认线路任务模板数：udp_echo、tcp_echo、connect。</summary>
+/// <summary>首次启动种入的默认线路任务模板数：quic_ping、tcp_ping、connect。</summary>
 internal static class Defaults
 {
     public const int TaskCount = 3;