Initial commit

frontend-angular/src/core/models/group.model.ts

@@ -0,0 +1,20 @@
+import { User } from './user.model';
+
+export interface Group {
+    id: string;
+    name: string;
+    members: User[];
+}
+
+export interface CreateGroupRequest {
+    name: string;
+    members: string[]; // User IDs
+}
+
+export interface UpdateGroupRequest {
+    name?: string;
+}
+
+export interface AddMembersRequest {
+    userIds: string[];
+}