feat: record who created join codes and who added each node [CI]

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

@@ -3,7 +3,7 @@ using Fleet.Core;
 namespace MoShiro.Backend.Application;
 
 /// <param name="Role"><c>agent</c>（默认）或 <c>probe</c>：用这个令牌注册出来的是哪种节点。</param>
-public sealed record CreateJoinTokenRequest(string? Note, IReadOnlyList<string>? Labels, bool AutoApprove, int MaxUses, int ExpiresInHours, string Role = JoinTokenService.AgentRole);
+public sealed record CreateJoinTokenRequest(string? Note, IReadOnlyList<string>? Labels, bool AutoApprove, int MaxUses, int ExpiresInHours, string Role = JoinTokenService.AgentRole, string? CreatedBy = null);
 
 /// <summary>各个系统上的一行安装命令：Linux 用 bash、macOS 用 zsh、Windows 用 PowerShell。命令里只有一次性代码，节点名字默认取主机名；Agent 和 Probe 是同一份脚本，角色由代码决定。</summary>
 public sealed record InstallCommands(string Linux, string Macos, string Windows);
@@ -72,7 +72,7 @@ public sealed class JoinTokenService
         long now = _time.GetUtcNow().ToUnixTimeMilliseconds();
         JoinTokenInfo info = await _store.CreateAsync(
             Ulid.NewPrefixed("jtk", _time), TokenHash.Sha256(plaintext), request.Note, request.Labels ?? [], request.AutoApprove, KindOf(request.Role),
-            request.MaxUses, now + (request.ExpiresInHours * 3_600_000L), now, ct);
+            request.MaxUses, now + (request.ExpiresInHours * 3_600_000L), now, request.CreatedBy, ct);
 
         string baseUrl = BaseUrl(requestBaseUrl);
         string query = $"{baseUrl}/install?code={plaintext}";