前端：

1、完善创建群聊逻辑
后端：
1、完善群聊相关接口

backend/IM_API/Domain/Events/GroupInviteActionUpdateEvent.cs

@@ -0,0 +1,14 @@
+using IM_API.Models;
+
+namespace IM_API.Domain.Events
+{
+    public record GroupInviteActionUpdateEvent : DomainEvent
+    {
+        public override string EventType => "IM.GROUPS_INVITE_UPDATE";
+        public int UserId { get; set; }
+        public int InviteUserId { get; set; }
+        public int InviteId { get; set; }
+        public int GroupId { get; set; }
+        public GroupInviteState Action { get; set; }
+    }
+}

backend/IM_API/Domain/Events/GroupInviteEvent.cs

@@ -2,7 +2,7 @@
 {
     public record GroupInviteEvent : DomainEvent
     {
-        public override string EventType => "IM.GROUPS_GROUP_INVITE";
+        public override string EventType => "IM.GROUPS_INVITE_ADD";
         public required List<int> Ids { get; init; }
         public int GroupId { get; init; }
         public int UserId { get; init; }

backend/IM_API/Domain/Events/GroupJoinEvent.cs

@@ -0,0 +1,10 @@
+namespace IM_API.Domain.Events
+{
+    public record GroupJoinEvent : DomainEvent
+    {
+        public override string EventType => "IM.GROUPS_MEMBER_ADD";
+        public int UserId { get; set; }
+        public int GroupId { get; set; }
+        public bool IsCreated { get; set; } = false;
+    }
+}

backend/IM_API/Domain/Events/GroupRequestEvent.cs

@@ -1,4 +1,5 @@
 using IM_API.Dtos.Group;
+using IM_API.Models;
 
 namespace IM_API.Domain.Events
 {
@@ -8,6 +9,7 @@ namespace IM_API.Domain.Events
         public int  GroupId { get; init; }
         public int UserId { get; set; }
         public string Description { get; set; }
+        public GroupRequestState Action { get; set; }
 
     }
 }

backend/IM_API/Domain/Events/GroupRequestUpdateEvent.cs

@@ -0,0 +1,14 @@
+using IM_API.Models;
+
+namespace IM_API.Domain.Events
+{
+    public record GroupRequestUpdateEvent : DomainEvent
+    {
+        public override string EventType => "IM.GROUPS_REQUEST_UPDATE";
+        public int UserId { get; set; }
+        public int GroupId { get; set; }
+        public int AdminUserId { get; set; }
+        public int RequestId { get; set; }
+        public GroupRequestState Action { get; set; }
+    }
+}