refactor(core): reorganize DTOs into Models and ViewModels folders

Move DTOs from ApiContracts to appropriate locations:
- SignalR DTOs → ViewModels (renamed Dto→ViewModel suffix)
- Pipeline DTOs → Models/Pipelines
- UserInfoDto → Models/Auth
- DataUpdateDto → Models/Infrastructure

NEW/src/JdeScoping.Core/ApiContracts/ApiRoutes.cs

@@ -122,6 +122,19 @@ public static class ApiRoutes
         public const string UploadPartOperations = "api/fileio/partoperations/upload";
     }
 
+    /// <summary>
+    /// Routes for data refresh status API endpoints.
+    /// </summary>
+    public static class RefreshStatus
+    {
+        /// <summary>Base route for refresh status endpoints.</summary>
+        public const string Base = "api/refresh-status";
+
+        /// <summary>Builds the route to get refresh status with date range.</summary>
+        public static string Get(DateTime minDt, DateTime maxDt) =>
+            $"api/refresh-status?minDT={minDt:yyyy-MM-dd}&maxDT={maxDt:yyyy-MM-dd}";
+    }
+
     /// <summary>
     /// Routes for pipeline configuration API endpoints.
     /// </summary>

NEW/src/JdeScoping.Core/ApiContracts/IAuthApiClient.cs

@@ -1,4 +1,3 @@
-using JdeScoping.Core.ApiContracts.Auth;
 using JdeScoping.Core.ApiContracts.Results;
 using JdeScoping.Core.Models.Auth;
 

NEW/src/JdeScoping.Core/ApiContracts/IPipelineApiClient.cs

@@ -1,4 +1,4 @@
-using JdeScoping.Core.ApiContracts.Pipelines;
+using JdeScoping.Core.Models.Pipelines;
 using JdeScoping.Core.ApiContracts.Results;
 
 namespace JdeScoping.Core.ApiContracts;

NEW/src/JdeScoping.Core/Models/Auth/LoginResultModel.cs

@@ -1,5 +1,3 @@
-using JdeScoping.Core.ApiContracts.Auth;
-
 namespace JdeScoping.Core.Models.Auth;
 
 /// <summary>

NEW/src/JdeScoping.Core/Models/Auth/UserInfoDto.cs

@@ -1,6 +1,4 @@
-using JdeScoping.Core.Models;
-
-namespace JdeScoping.Core.ApiContracts.Auth;
+namespace JdeScoping.Core.Models.Auth;
 
 /// <summary>
 /// API response DTO for authenticated user information.

NEW/src/JdeScoping.Core/Models/Infrastructure/DataUpdateDto.cs

@@ -0,0 +1,25 @@
+namespace JdeScoping.Core.Models.Infrastructure;
+
+/// <summary>
+/// DTO for data refresh/sync status display.
+/// Aggregates record counts from multiple table updates into a single row.
+/// </summary>
+public class DataUpdateDto
+{
+    public DateTime StartDt { get; set; }
+    public DateTime? EndDt { get; set; }
+
+    public int BranchRecords { get; set; }
+    public int ProfitCenterRecords { get; set; }
+    public int WorkCenterRecords { get; set; }
+    public int OrgHierarchyRecords { get; set; }
+    public int StatusCodeRecords { get; set; }
+    public int UserRecords { get; set; }
+    public int ItemRecords { get; set; }
+    public int LotRecords { get; set; }
+    public int WorkOrderRecords { get; set; }
+    public int WorkOrderStepRecords { get; set; }
+    public int WorkOrderComponentRecords { get; set; }
+
+    public bool WasSuccessful { get; set; }
+}

NEW/src/JdeScoping.Core/Models/Pipelines/PipelineConfigDto.cs

@@ -1,4 +1,4 @@
-namespace JdeScoping.Core.ApiContracts.Pipelines;
+namespace JdeScoping.Core.Models.Pipelines;
 
 /// <summary>
 /// Pipeline configuration DTO for display.

NEW/src/JdeScoping.Core/Models/Pipelines/PipelineExecutionDto.cs

@@ -1,6 +1,6 @@
-namespace JdeScoping.Core.ApiContracts.Pipelines;
+namespace JdeScoping.Core.Models.Pipelines;
 
-using Models.Enums;
+using JdeScoping.Core.Models.Enums;
 
 /// <summary>
 /// Pipeline execution history.

NEW/src/JdeScoping.Core/Models/Pipelines/PipelineListResponse.cs

@@ -1,4 +1,4 @@
-namespace JdeScoping.Core.ApiContracts.Pipelines;
+namespace JdeScoping.Core.Models.Pipelines;
 
 /// <summary>
 /// Response containing list of available pipeline names.

NEW/src/JdeScoping.Core/Models/Pipelines/PipelineStatusDto.cs

@@ -1,6 +1,6 @@
-namespace JdeScoping.Core.ApiContracts.Pipelines;
+namespace JdeScoping.Core.Models.Pipelines;
 
-using Models.Enums;
+using JdeScoping.Core.Models.Enums;
 
 /// <summary>
 /// Pipeline schedule status for each update type.

NEW/src/JdeScoping.Core/ViewModels/SearchUpdateViewModel.cs

@@ -1,11 +1,11 @@
 using JdeScoping.Core.Models.Search;
 
-namespace JdeScoping.Core.ApiContracts.SignalR;
+namespace JdeScoping.Core.ViewModels;
 
 /// <summary>
-/// SignalR message DTO for search status updates.
+/// SignalR message view model for search status updates.
 /// </summary>
-public record SearchUpdateDto
+public record SearchUpdateViewModel
 {
     /// <summary>
     /// Search PK ID.
@@ -43,11 +43,11 @@ public record SearchUpdateDto
     public DateTime? EndDt { get; init; }
 
     /// <summary>
-    /// Creates a SearchUpdateDto from a Search entity.
+    /// Creates a SearchUpdateViewModel from a Search entity.
     /// </summary>
     /// <param name="search">The Search entity to convert.</param>
-    /// <returns>A new SearchUpdateDto instance.</returns>
-    public static SearchUpdateDto FromSearch(Search search) => new()
+    /// <returns>A new SearchUpdateViewModel instance.</returns>
+    public static SearchUpdateViewModel FromSearch(Search search) => new()
     {
         Id = search.Id,
         Name = search.Name,

NEW/src/JdeScoping.Core/ViewModels/StatusUpdateViewModel.cs

@@ -1,9 +1,9 @@
-namespace JdeScoping.Core.ApiContracts.SignalR;
+namespace JdeScoping.Core.ViewModels;
 
 /// <summary>
-/// SignalR message DTO for processor status updates.
+/// SignalR message view model for processor status updates.
 /// </summary>
-public record StatusUpdateDto
+public record StatusUpdateViewModel
 {
     /// <summary>
     /// Status message to display.
@@ -16,11 +16,11 @@ public record StatusUpdateDto
     public DateTime? Timestamp { get; init; }
 
     /// <summary>
-    /// Creates a StatusUpdateDto with the current timestamp.
+    /// Creates a StatusUpdateViewModel with the current timestamp.
     /// </summary>
     /// <param name="message">Status message.</param>
-    /// <returns>A new StatusUpdateDto instance.</returns>
-    public static StatusUpdateDto Create(string message) => new()
+    /// <returns>A new StatusUpdateViewModel instance.</returns>
+    public static StatusUpdateViewModel Create(string message) => new()
     {
         Message = message,
         Timestamp = DateTime.UtcNow