feat(ops): upload node logs and task traffic [CI]

backend/src/MoShiro.Backend.Api/Admin/AgentEndpoints.cs

@@ -23,6 +23,9 @@ public static class AgentEndpoints
         group.MapGet("/agents/{id}", GetAsync)
             .Api("agents_get", "One agent", AgentsTag).Returns<AgentDto>().ProducesProblems(401, 403, 404)
             .Requires(Capability.FleetRead);
+        group.MapGet("/nodes/{id}/logs", ListNodeLogsAsync)
+            .Api("node_runtime_logs", "Recent Agent or Probe runtime logs", "admin-nodes").Returns<NodeRuntimeLogsDto>().ProducesProblems(401, 403)
+            .Requires(Capability.FleetRead);
         group.MapPatch("/agents/{id}", PatchAsync)
             .Accepts<AgentPatchRequest>("application/merge-patch+json", "application/json")
             .Api("agents_update", "Update name, labels, public host or visibility (merge-patch, If-Match supported)", AgentsTag)
@@ -84,6 +87,14 @@ public static class AgentEndpoints
     private static async Task<IResult> ListAsync(AgentService agents, CancellationToken ct) =>
         TypedResults.Json(new PageDto<AgentDto>([.. (await agents.ListAsync(ct)).Select(Mappers.ToDto)], null), ApiJsonContext.Default.PageDtoAgentDto);
 
+    private static Microsoft.AspNetCore.Http.HttpResults.JsonHttpResult<NodeRuntimeLogsDto> ListNodeLogsAsync(NodeRuntimeLogService logs, string id, int? limit) =>
+        TypedResults.Json(
+            ToDto(logs.List(new NodeId(id), Math.Clamp(limit ?? 100, 1, 200))),
+            ApiJsonContext.Default.NodeRuntimeLogsDto);
+
+    private static NodeRuntimeLogsDto ToDto(NodeRuntimeLogSnapshot snapshot) =>
+        new([.. snapshot.Items.Select(item => new NodeRuntimeLogDto(item.Id, Mappers.Time(item.AtUtcMs), item.Level, item.Message, item.Fields))], snapshot.Dropped);
+
     private static async Task<IResult> GetAsync(HttpContext http, AgentService agents, string id, CancellationToken ct)
     {
         AgentView? view = await agents.GetAsync(new NodeId(id), ct);

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

@@ -32,6 +32,10 @@ public sealed record RejectedDto(string Id, string Reason);
 
 public sealed record HeartbeatDto(int Sessions, long PpsIn, long PpsOut, long DroppedInvalid, long DroppedRateLimited, long QueueBytes, DateTimeOffset At);
 
+public sealed record NodeRuntimeLogDto(long Id, DateTimeOffset At, string Level, string Message, IReadOnlyDictionary<string, string> Fields);
+
+public sealed record NodeRuntimeLogsDto(IReadOnlyList<NodeRuntimeLogDto> Items, long Dropped);
+
 public sealed record AgentDto(
     string Id,
     string Name,

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

@@ -36,6 +36,7 @@ namespace MoShiro.Backend.Api;
 [JsonSerializable(typeof(LoginResponse))]
 [JsonSerializable(typeof(MeDto))]
 [JsonSerializable(typeof(AgentDto))]
+[JsonSerializable(typeof(NodeRuntimeLogsDto))]
 [JsonSerializable(typeof(PageDto<AgentIpv6Dto>))]
 [JsonSerializable(typeof(PageDto<AgentDto>))]
 [JsonSerializable(typeof(AgentPatchRequest))]