feat: audit log of admin writes, sign-ins and key creation, with an audit tab [CI]

backend/src/MoShiro.Backend.Api/Contracts/ApiJsonContext.cs

@@ -70,6 +70,7 @@ namespace MoShiro.Backend.Api;
 [JsonSerializable(typeof(RawChunkMetaDto))]
 [JsonSerializable(typeof(PageDto<RawChunkMetaDto>))]
 [JsonSerializable(typeof(PageDto<EventDto>))]
+[JsonSerializable(typeof(PageDto<AuditDto>))]
 [JsonSerializable(typeof(ApiTokenDto))]
 [JsonSerializable(typeof(PageDto<ApiTokenDto>))]
 [JsonSerializable(typeof(CreateApiTokenRequest))]

backend/src/MoShiro.Backend.Api/Contracts/PublicDtos.cs

@@ -10,6 +10,8 @@ public sealed record EdgePartialDto(bool First, bool Last);
 
 public sealed record GapDto(DateTimeOffset From, DateTimeOffset To, string Reason);
 
+public sealed record AuditDto(long Id, DateTimeOffset At, string Actor, string Method, string Action, string? Target, string? Detail, string? Remote, bool Success);
+
 public sealed record EventDto(long Id, string? AgentId, string Kind, DateTimeOffset At, string? Detail);
 
 public sealed record TestSummaryDto(string Id, string Plan, string Status, DateTimeOffset RequestedAt, DateTimeOffset? FinishedAt);