展板优化

src/Jiaowu.Api/Domain/Academic/VenueDisplayAnnouncement.cs

@@ -0,0 +1,25 @@
+using Jiaowu.Api.Domain.Common;
+
+namespace Jiaowu.Api.Domain.Academic;
+
+public sealed class VenueDisplayAnnouncement : EntityBase
+{
+    public required string Title { get; set; }
+    public required string Content { get; set; }
+    public VenueDisplayAnnouncementScope Scope { get; set; } = VenueDisplayAnnouncementScope.School;
+    public Guid? TargetId { get; set; }
+    public bool IsPublished { get; set; }
+    public bool IsPinned { get; set; }
+    public bool IsUrgent { get; set; }
+    public int Priority { get; set; }
+    public DateTime? StartsAt { get; set; }
+    public DateTime? EndsAt { get; set; }
+}
+
+public enum VenueDisplayAnnouncementScope
+{
+    School = 1,
+    Campus = 2,
+    Building = 3,
+    Classroom = 4
+}