Added inital job entity and services. Added released works API integration.

JSMR.Domain/Entities/Job.cs

@@ -0,0 +1,33 @@
+using JSMR.Domain.Enums;
+
+namespace JSMR.Domain.Entities;
+
+public sealed class Job
+{
+    public int Id { get; set; }
+
+    public string Code { get; set; } = null!;
+    public JobStatus Status { get; set; }
+
+    public string? RequestedByUserId { get; set; }
+    public string RequestedSource { get; set; } = "Manual";
+
+    public string? ParametersJson { get; set; }
+
+    public DateTime CreatedUtc { get; set; }
+    public DateTime? StartedUtc { get; set; }
+    public DateTime? CompletedUtc { get; set; }
+    public DateTime? HeartbeatUtc { get; set; }
+
+    public string? WorkerName { get; set; }
+    public string? CurrentStep { get; set; }
+
+    public int? ProgressCurrent { get; set; }
+    public int? ProgressTotal { get; set; }
+
+    public string? ResultSummary { get; set; }
+    public string? Error { get; set; }
+
+    public bool CancellationRequested { get; set; }
+    public int AttemptCount { get; set; }
+}