feat: improve agent management and speed up tests

backend/src/Monitor.Backend.Application/Admin/JoinTokenService.cs

@@ -4,7 +4,10 @@ namespace Monitor.Backend.Application;
 
 public sealed record CreateJoinTokenRequest(string? Note, IReadOnlyList<string>? Labels, bool AutoApprove, int MaxUses, int ExpiresInHours);
 
-public sealed record CreatedJoinToken(JoinTokenInfo Info, string Plaintext, string InstallCommand);
+/// <summary>各个系统上的安装命令（Linux 和 macOS 都用 install.sh，Windows 用 install.ps1）。</summary>
+public sealed record InstallCommands(string Linux, string Macos, string Windows);
+
+public sealed record CreatedJoinToken(JoinTokenInfo Info, string Plaintext, InstallCommands InstallCommands);
 
 /// <summary>加入令牌：明文只在创建时返回一次，服务端只保存 SHA-256。</summary>
 public sealed class JoinTokenService
@@ -55,11 +58,16 @@ public sealed class JoinTokenService
             request.MaxUses, now + (request.ExpiresInHours * 3_600_000L), now, ct);
 
         string baseUrl = (_options.PublicUrl ?? requestBaseUrl ?? "https://panel.example.com").TrimEnd('/');
-        string command = $"curl -fsSL {baseUrl}/install.sh | sh -s -- --join {plaintext} --name <node-name>";
-        return Result<CreatedJoinToken>.Ok(new CreatedJoinToken(info, plaintext, command));
+        string shell = $"curl -fsSL {baseUrl}/install.sh | sh -s -- --join {plaintext} --name <node-name>";
+        // PowerShell 6+（pwsh）：在 cmd 或 PowerShell 里都能直接粘贴
+        string powershell = $"pwsh -NoProfile -ExecutionPolicy Bypass -Command \"& ([scriptblock]::Create((irm {baseUrl}/install.ps1))) -Join {plaintext} -Name <node-name>\"";
+        return Result<CreatedJoinToken>.Ok(new CreatedJoinToken(info, plaintext, new InstallCommands(shell, shell, powershell)));
     }
 
     public ValueTask<IReadOnlyList<JoinTokenInfo>> ListAsync(CancellationToken ct) => _store.ListAsync(ct);
 
     public ValueTask<bool> RevokeAsync(string id, CancellationToken ct) => _store.RevokeAsync(id, _time.GetUtcNow().ToUnixTimeMilliseconds(), ct);
+
+    /// <summary>彻底删除这条令牌记录（任何状态都可以）；还没用完的令牌删除后立即不能再用。</summary>
+    public ValueTask<bool> DeleteAsync(string id, CancellationToken ct) => _store.DeleteAsync(id, ct);
 }

backend/src/Monitor.Backend.Application/BackendOptions.cs

@@ -55,6 +55,12 @@ public sealed class BackendOptions
 
     public int MaxCompareAgents { get; set; } = 20;
 
+    /// <summary>
+    /// 测试方案里「固定时长」阶段（没有 <c>duration_s</c> 参数的，例如 connect、hold）的缩放比例，缺省 1。
+    /// 只给自动化测试用：端到端测试里把 30 秒的阶段缩短，不用真等。
+    /// </summary>
+    public double PhaseDurationScale { get; set; } = 1.0;
+
     /// <summary>初始管理员（只在没有任何用户时创建）。</summary>
     public string? InitialAdminUser { get; set; }
 

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

@@ -40,6 +40,8 @@ public interface IJoinTokenStore
     ValueTask<IReadOnlyList<JoinTokenInfo>> ListAsync(CancellationToken ct);
 
     ValueTask<bool> RevokeAsync(string id, long nowMs, CancellationToken ct);
+
+    ValueTask<bool> DeleteAsync(string id, CancellationToken ct);
 }
 
 public interface IProbeStore

backend/src/Monitor.Backend.Application/Tests/TestService.cs

@@ -9,6 +9,7 @@ namespace Monitor.Backend.Application;
 /// <summary>按需测试（once）：校验与排队、下发给 Agent、状态更新、结果查询。</summary>
 public sealed class TestService
 {
+    private readonly double _phaseScale;
     private readonly ITestStore _tests;
     private readonly IAgentStore _agents;
     private readonly AgentRuntime _runtime;
@@ -16,8 +17,9 @@ public sealed class TestService
     private readonly LiveHub _live;
     private readonly TimeProvider _time;
 
-    public TestService(ITestStore tests, IAgentStore agents, AgentRuntime runtime, IAgentGateway gateway, LiveHub live, TimeProvider time)
+    public TestService(ITestStore tests, IAgentStore agents, AgentRuntime runtime, IAgentGateway gateway, LiveHub live, TimeProvider time, BackendOptions options)
     {
+        _phaseScale = options.PhaseDurationScale;
         _tests = tests;
         _agents = agents;
         _runtime = runtime;
@@ -52,7 +54,7 @@ public sealed class TestService
             return Result<TestRecord>.Fail(FleetErrors.Unsupported, $"this agent does not support {unsupported}, which the {plan.Id} plan needs");
         }
 
-        Result<List<TestPhase>> phases = BuildPhases(plan, request.Params, agent);
+        Result<List<TestPhase>> phases = BuildPhases(plan, request.Params, agent, _phaseScale);
         if (!phases.TryGet(out List<TestPhase>? phaseList, out FleetError? error))
         {
             return Result<TestRecord>.Fail(error);
@@ -173,7 +175,7 @@ public sealed class TestService
 
     public static bool IsTerminal(string status) => status is TestStatuses.Succeeded or TestStatuses.Failed or TestStatuses.Aborted;
 
-    private static Result<List<TestPhase>> BuildPhases(PlanSpec plan, IReadOnlyDictionary<string, JsonElement>? overrides, AgentRecord agent)
+    private static Result<List<TestPhase>> BuildPhases(PlanSpec plan, IReadOnlyDictionary<string, JsonElement>? overrides, AgentRecord agent, double phaseScale)
     {
         if (overrides is not null)
         {
@@ -245,7 +247,7 @@ public sealed class TestService
                 return Result<List<TestPhase>>.Fail(MonitorErrors.BudgetExceeded, $"{phase.Kind} needs {bits / 1_000_000.0:0.#} Mbit/s but the agent allows {limitMbps} Mbit/s");
             }
 
-            int duration = resolved.Values!.Values.TryGetValue("duration_s", out JsonElement d) && d.TryGetInt64(out long seconds) ? (int)seconds : phase.DurationSeconds;
+            int duration = resolved.Values!.Values.TryGetValue("duration_s", out JsonElement d) && d.TryGetInt64(out long seconds) ? (int)seconds : Math.Max(1, (int)Math.Round(phase.DurationSeconds * phaseScale));
             phases.Add(new TestPhase { Kind = phase.Kind, Params = new Dictionary<string, JsonElement>(resolved.Values.Values), DurationSeconds = duration });
         }