feat: add BomItems and FormPrograms controllers with parse service

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

FabWorks.Api/Services/FormProgramService.cs

@@ -0,0 +1,39 @@
+using FabWorks.Core.Models;
+using FabWorks.Core.PressBrake;
+using System.Security.Cryptography;
+
+namespace FabWorks.Api.Services
+{
+    public class FormProgramService
+    {
+        public FormProgram ParseFromFile(string filePath)
+        {
+            var pgm = FabWorks.Core.PressBrake.Program.Load(filePath);
+            var hash = ComputeFileHash(filePath);
+
+            return new FormProgram
+            {
+                ProgramFilePath = filePath,
+                ContentHash = hash,
+                ProgramName = pgm.ProgName ?? "",
+                Thickness = pgm.MatThick > 0 ? pgm.MatThick : null,
+                MaterialType = pgm.MatType.ToString(),
+                KFactor = pgm.KFactor > 0 ? pgm.KFactor : null,
+                BendCount = pgm.Steps.Count,
+                UpperToolNames = string.Join(", ", pgm.UpperToolSets
+                    .Select(t => t.Name).Where(n => !string.IsNullOrEmpty(n)).Distinct()),
+                LowerToolNames = string.Join(", ", pgm.LowerToolSets
+                    .Select(t => t.Name).Where(n => !string.IsNullOrEmpty(n)).Distinct()),
+                SetupNotes = pgm.SetupNotes ?? ""
+            };
+        }
+
+        private static string ComputeFileHash(string filePath)
+        {
+            using var sha = SHA256.Create();
+            using var stream = File.OpenRead(filePath);
+            var bytes = sha.ComputeHash(stream);
+            return BitConverter.ToString(bytes).Replace("-", "").ToLowerInvariant();
+        }
+    }
+}