feat: add Title, EquipmentNo, DrawingNo to ExportRecord

Add separate EquipmentNo and DrawingNo fields alongside the combined
DrawingNumber, plus a Title field for labeling exports. Updated across
Core model, DbContext, API DTOs, and ExportDXF models.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ExportDXF/Models/ExportContext.cs

@@ -42,6 +42,11 @@ namespace ExportDXF.Services
         /// </summary>
         public string DrawingNo { get; set; }
 
+        /// <summary>
+        /// Optional title/label for the export.
+        /// </summary>
+        public string Title { get; set; }
+
         /// <summary>
         /// Selected Equipment ID for API operations (optional).
         /// </summary>

ExportDXF/Models/ExportRecord.cs

@@ -7,6 +7,8 @@ namespace ExportDXF.Models
     {
         public int Id { get; set; }
         public string DrawingNumber { get; set; }
+        public string EquipmentNo { get; set; }
+        public string DrawingNo { get; set; }
         public string SourceFilePath { get; set; }
         public string OutputFolder { get; set; }
         public DateTime ExportedAt { get; set; }

FabWorks.Api/DTOs/CreateExportRequest.cs

@@ -3,7 +3,15 @@ namespace FabWorks.Api.DTOs
     public class CreateExportRequest
     {
         public string DrawingNumber { get; set; }
+        public string Title { get; set; }
+        public string EquipmentNo { get; set; }
+        public string DrawingNo { get; set; }
         public string SourceFilePath { get; set; }
         public string OutputFolder { get; set; }
     }
+
+    public class UpdatePdfHashRequest
+    {
+        public string PdfContentHash { get; set; }
+    }
 }

FabWorks.Api/DTOs/ExportDetailDto.cs

@@ -7,6 +7,9 @@ namespace FabWorks.Api.DTOs
     {
         public int Id { get; set; }
         public string DrawingNumber { get; set; }
+        public string Title { get; set; }
+        public string EquipmentNo { get; set; }
+        public string DrawingNo { get; set; }
         public string SourceFilePath { get; set; }
         public string OutputFolder { get; set; }
         public DateTime ExportedAt { get; set; }

FabWorks.Core/Data/FabWorksDbContext.cs

@@ -20,6 +20,9 @@ namespace FabWorks.Core.Data
             {
                 entity.HasKey(e => e.Id);
                 entity.Property(e => e.DrawingNumber).HasMaxLength(100);
+                entity.Property(e => e.Title).HasMaxLength(200);
+                entity.Property(e => e.EquipmentNo).HasMaxLength(50);
+                entity.Property(e => e.DrawingNo).HasMaxLength(50);
                 entity.Property(e => e.SourceFilePath).HasMaxLength(500);
                 entity.Property(e => e.OutputFolder).HasMaxLength(500);
                 entity.Property(e => e.ExportedBy).HasMaxLength(100);

FabWorks.Core/Models/ExportRecord.cs

@@ -7,6 +7,9 @@ namespace FabWorks.Core.Models
     {
         public int Id { get; set; }
         public string DrawingNumber { get; set; }
+        public string Title { get; set; }
+        public string EquipmentNo { get; set; }
+        public string DrawingNo { get; set; }
         public string SourceFilePath { get; set; }
         public string OutputFolder { get; set; }
         public DateTime ExportedAt { get; set; }