feat: improve agent management and speed up tests

backend/tests/Monitor.Backend.Tests/AgentEndToEndTests.cs

@@ -256,7 +256,7 @@ public sealed class AgentEndToEndTests
         string? startFailure = null;
         for (int attempt = 0; attempt < 5; attempt++)
         {
-            accepted = await _backend.Admin.PostAsync($"/api/admin/lines/{agent.Id}~{probe.ProbeId}/tests", BackendFixture.Json(new JsonObject { ["plan"] = "hy2_ladder", ["params"] = new JsonObject { ["size"] = 1000 } }));
+            accepted = await _backend.Admin.PostAsync($"/api/admin/lines/{agent.Id}~{probe.ProbeId}/tests", BackendFixture.Json(new JsonObject { ["plan"] = "hy2_ladder", ["params"] = new JsonObject { ["size"] = 1000, ["duration_s"] = 5 } }));
             if (accepted.StatusCode == System.Net.HttpStatusCode.Accepted)
             {
                 break;
@@ -291,7 +291,7 @@ public sealed class AgentEndToEndTests
         Assert.Equal(4, probe.Phases.Count);
         Assert.All(probe.Phases, phase => Assert.Equal("udp_train", phase.Kind));
 
-        // 单块最多 50000 条记录：50 和 100 Mbit/s 阶段（10 s、1000 B 的包）各被 Probe 切成多个列块
+        // 单块最多 50000 条记录：50 和 100 Mbit/s 阶段（5 s、1000 B 的包）里 100 Mbit/s 的那一段有 6 万多条记录，被 Probe 切成两个列块
         Assert.True(agent.App.Counters.Fragments > 4);
         await BackendFixture.EventuallyAsync(
             async () => (await _backend.GetJsonAsync(_backend.Admin, $"/api/admin/raw/chunks?agent_id={agent.Id}"))["items"]!.AsArray().Count(c => c!["kind"]!.GetValue<string>() == "udp_train") == agent.App.Counters.Fragments,

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

@@ -192,6 +192,7 @@ public class BackendFixture : IAsyncLifetime
                 options.InitialAdminUser = AdminUser;
                 options.InitialAdminPassword = AdminPassword;
                 options.LoginAttemptsPerMinute = LoginAttemptsPerMinute;
+                options.PhaseDurationScale = 0.2; // 端到端测试里 connect、hold 这些固定 30 秒的阶段缩成 6 秒
             });
         await App.StartAsync();
         string address = App.Services.GetRequiredService<IServer>().Features.Get<IServerAddressesFeature>()!.Addresses.First();

backend/tests/Monitor.Backend.Tests/EnrollmentAndTaskSetTests.cs

@@ -83,6 +83,14 @@ public sealed class EnrollmentAndTaskSetTests
         using HttpResponseMessage revoke = await _backend.Admin.DeleteAsync("/api/admin/join-tokens/" + id);
         Assert.Equal(HttpStatusCode.NoContent, revoke.StatusCode);
         await Assert.ThrowsAsync<InvalidOperationException>(() => AgentSimulator.EnrollAsync(_backend.Anonymous, revoked, _backend.UniqueName("revoked")));
+
+        // 吊销之后记录还在（显示「已吊销」）；purge=true 才是彻底删除
+        tokens = await _backend.GetJsonAsync(_backend.Admin, "/api/admin/join-tokens");
+        Assert.Contains(tokens["items"]!.AsArray(), t => t!["id"]!.GetValue<string>() == id);
+        using HttpResponseMessage purge = await _backend.Admin.DeleteAsync($"/api/admin/join-tokens/{id}?purge=true");
+        Assert.Equal(HttpStatusCode.NoContent, purge.StatusCode);
+        tokens = await _backend.GetJsonAsync(_backend.Admin, "/api/admin/join-tokens");
+        Assert.DoesNotContain(tokens["items"]!.AsArray(), t => t!["id"]!.GetValue<string>() == id);
     }
 
     [Fact]

backend/tests/Monitor.Backend.Tests/ProbeEndToEndTests.cs

@@ -64,7 +64,7 @@ public sealed class ProbeEndToEndTests
         await using ProbeHarness probe = await ProbeHarness.StartAsync(_backend);
         await BackendFixture.EventuallyAsync(async () => (await AgentViewAsync(agent))["probe_connected"]!.GetValue<bool>());
 
-        using HttpResponseMessage accepted = await _backend.Admin.PostAsync($"/api/admin/lines/{agent.Id}~{probe.ProbeId}/tests", BackendFixture.Json(new JsonObject { ["plan"] = "hy2_ladder", ["params"] = new JsonObject { ["size"] = 1000 } }));
+        using HttpResponseMessage accepted = await _backend.Admin.PostAsync($"/api/admin/lines/{agent.Id}~{probe.ProbeId}/tests", BackendFixture.Json(new JsonObject { ["plan"] = "hy2_ladder", ["params"] = new JsonObject { ["size"] = 1000, ["duration_s"] = 5 } }));
         Assert.True(accepted.StatusCode == System.Net.HttpStatusCode.Accepted, await accepted.Content.ReadAsStringAsync());
         string testId = JsonNode.Parse(await accepted.Content.ReadAsStringAsync())!["id"]!.GetValue<string>();
 
@@ -78,7 +78,7 @@ public sealed class ProbeEndToEndTests
             TimeSpan.FromSeconds(90));
         Assert.True(test["status"]!.GetValue<string>() == "succeeded", test.ToJsonString());
 
-        await BackendFixture.EventuallyAsync(async () => await ChunkCountAsync(agent, "udp_train") >= 5, because: "50 and 100 Mbit/s phases are split into several fragments");
+        await BackendFixture.EventuallyAsync(async () => await ChunkCountAsync(agent, "udp_train") >= 5, because: "the 100 Mbit/s phase (5 s of 1000 B packets, over 50000 records) is split into two fragments");
         Assert.Equal(0, agent.App.Counters.FragmentsDiscarded);
     }