Add created timestamp field to Project model (#4057)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Danny Rorabaugh <imnasnainaec@gmail.com>

Author: Copilot

Backend.Tests/Models/ProjectTests.cs

@@ -1,4 +1,5 @@
-using BackendFramework.Models;
+using System;
+using BackendFramework.Models;
 using NUnit.Framework;
 
 namespace Backend.Tests.Models
@@ -12,6 +13,7 @@ public void TestClone()
             {
                 Id = "ProjectId",
                 Name = "ProjectName",
+                Created = DateTime.UtcNow,
                 IsActive = true,
                 LiftImported = true,
                 DefinitionsEnabled = true,

Backend/Models/Project.cs

@@ -19,6 +19,9 @@ public class Project
         [BsonElement("name")]
         public string Name { get; set; }
 
+        [BsonElement("created")]
+        public DateTime? Created { get; set; }
+
         [Required]
         [BsonElement("isActive")]
         public bool IsActive { get; set; }
@@ -120,6 +123,7 @@ public Project Clone()
             {
                 Id = Id,
                 Name = Name,
+                Created = Created,
                 IsActive = IsActive,
                 LiftImported = LiftImported,
                 DefinitionsEnabled = DefinitionsEnabled,

Backend/Repositories/ProjectRepository.cs

@@ -69,6 +69,8 @@ public async Task<bool> DeleteAllProjects()
                 return null;
             }
 
+            project.Created = DateTime.UtcNow;
+
             await _projects.InsertOneAsync(project);
             return project;
         }

src/api/models/project.ts

@@ -35,6 +35,12 @@ export interface Project {
    * @memberof Project
    */
   name: string;
+  /**
+   *
+   * @type {string}
+   * @memberof Project
+   */
+  created?: string | null;
   /**
    *
    * @type {boolean}