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

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

@@ -144,6 +144,15 @@ public interface IEventStore
     ValueTask<int> DeleteOlderThanAsync(long cutoffMs, CancellationToken ct);
 }
 
+public interface IAuditStore
+{
+    ValueTask AddAsync(AuditRecord record, CancellationToken ct);
+
+    ValueTask<IReadOnlyList<AuditRecord>> ListAsync(AuditQuery query, CancellationToken ct);
+
+    ValueTask<int> DeleteOlderThanAsync(long cutoffMs, CancellationToken ct);
+}
+
 /// <summary>主机资源占用的历史：每个 Agent 每分钟一个样本。</summary>
 public interface IHostStore
 {