Add carried-over jobs section to Daily Board and fix tip visibility

Non-terminal jobs scheduled for past dates now appear in a red 'Carried
Over' section at the top of today's board so they can't silently disappear.
Also added alert-permanent to the board tip so the layout doesn't auto-dismiss it.

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

src/PowderCoating.Infrastructure/Repositories/JobRepository.cs

@@ -187,4 +187,22 @@ public class JobRepository : Repository<Job>, IJobRepository
                 .ThenInclude(i => i.PrepServices.Where(p => !p.IsDeleted))
             .FirstOrDefaultAsync();
     }
+
+    /// <inheritdoc/>
+    public async Task<List<Job>> GetOverdueScheduledJobsAsync()
+    {
+        var today = DateTime.Today;
+        return await _context.Jobs
+            .Include(j => j.Customer)
+            .Include(j => j.JobStatus)
+            .Include(j => j.JobPriority)
+            .Include(j => j.AssignedUser)
+            .Where(j => j.ScheduledDate.HasValue
+                        && j.ScheduledDate.Value.Date < today
+                        && !j.IsDeleted
+                        && !j.JobStatus.IsTerminalStatus)
+            .OrderBy(j => j.ScheduledDate)
+            .ThenBy(j => j.JobNumber)
+            .ToListAsync();
+    }
 }