Demo seed Phase 2: workers, time entries, maintenance records

- 5 named shop workers seeded as ApplicationUser (Employee role):
  Mike Sanders (Coater), Jake Wilson (Sandblaster), Sarah Brooks (Inspector),
  Tyler Green (General), Chris Mason (Lead) — @pcldemo.com fingerprint domain
- Job time entries seeded for all in-progress and completed jobs;
  Worker Productivity report will have data from day one
- Maintenance history seeded per equipment: 2 completed records + 1 upcoming
  scheduled + 1 overdue record on Pressure Pot for overdue alert demo
- Equipment renamed to spec names: Main Batch Oven, Small Batch Oven, Powder
  Coating Booth, Blast Cabinet, Pressure Pot Blaster, Air Compressor, Wash
  Station, Forklift (replaced Overhead Conveyor which wasn't in spec)
- RemoveSeedDataOptions.Workers added; Remove.cs cleans up workers + time
  entries on Demo Reset; SeedDataController resets workers in ResetDemoCompany

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

src/PowderCoating.Infrastructure/Services/SeedDataService.Remove.cs

@@ -160,6 +160,10 @@ public partial class SeedDataService
                             .Where(p => seededJobIds.Contains(p.JobId)).ToListAsync();
                         if (jobPrepServices.Any()) _context.JobPrepServices.RemoveRange(jobPrepServices);
 
+                        var timeEntries = await _context.Set<Core.Entities.JobTimeEntry>().IgnoreQueryFilters()
+                            .Where(te => seededJobIds.Contains(te.JobId)).ToListAsync();
+                        if (timeEntries.Any()) _context.Set<Core.Entities.JobTimeEntry>().RemoveRange(timeEntries);
+
                         var jobs = await _context.Jobs.IgnoreQueryFilters()
                             .Where(j => seededJobIds.Contains(j.Id)).ToListAsync();
                         _context.Jobs.RemoveRange(jobs);
@@ -397,6 +401,26 @@ public partial class SeedDataService
                 }
             }
 
+            // --- Shop Workers ---
+            if (options.Workers)
+            {
+                var workerUsers = await _userManager.Users
+                    .Where(u => SeededWorkerEmails.Contains(u.Email) && u.CompanyId == companyId)
+                    .ToListAsync();
+
+                if (workerUsers.Any())
+                {
+                    foreach (var wu in workerUsers)
+                        await _userManager.DeleteAsync(wu);
+                    totalRemoved += workerUsers.Count;
+                    details.Add($"✓ Removed {workerUsers.Count} demo shop worker(s)");
+                }
+                else
+                {
+                    details.Add("• No demo shop workers found");
+                }
+            }
+
             result.ItemsSeeded = totalRemoved;
             result.Details = details;
             result.Message = totalRemoved > 0