Fix dualpath propagation, getShopfloorPCs filtering, USB management, and printer features

- Fix dualpath PC propagation direction (Equipment->PC) in api.asp and db_helpers.asp
- Fix early exit in CreatePCMachineRelationship preventing propagation
- Fix getShopfloorPCs to filter machinetypeid IN (33,34,35) instead of >= 33
- Fix getShopfloorPCs to show equipment numbers via GROUP_CONCAT subquery
- Add detailed PropagateDP logging for dualpath debugging
- Default "Show on Shopfloor Dashboard" checkbox to checked in addnotification.asp
- Add USB label batch printing, single USB labels, and USB history pages
- Add printer supplies tracking and toner report enhancements
- Add uptime map visualization page
- Add dashboard/lobby display SQL migration
- Update CLAUDE.md with IIS 401 workaround documentation
- Update TODO.md

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

usbhistory.asp

@@ -130,8 +130,8 @@
 			checkinTime = Month(rs("checkin_time")) & "/" & Day(rs("checkin_time")) & "/" & Year(rs("checkin_time")) & " " & FormatDateTime(rs("checkin_time"), 3)
 			statusClass = ""
 		Else
-			checkinTime = "<span class='badge badge-warning'>Still Out</span>"
-			statusClass = "table-warning"
+			checkinTime = "<span class='badge badge-dark'>Still Out</span>"
+			statusClass = ""
 		End If
 
 		' Format duration