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>

displaymachines.asp

@@ -87,14 +87,14 @@ Dim theme, strSQL, rs, objConn
 
 <%
 		' Build WHERE clause with optional BU filter
-		' NOTE: Exclude LocationOnly (1), network devices (16-20), and PC types (33+)
+		' NOTE: Exclude LocationOnly (1), network devices (16-20, 46), and PC types (33)
 		Dim whereClause
 		whereClause = "models.machinetypeid = machinetypes.machinetypeid AND " &_
 		              "machines.modelnumberid = models.modelnumberid AND " &_
 		              "models.vendorid = vendors.vendorid AND " &_
 		              "machines.businessunitid = businessunits.businessunitID AND " &_
 		              "machines.isactive = 1 AND islocationonly=0 AND " &_
-		              "models.machinetypeid NOT IN (1, 16, 17, 18, 19, 20) AND models.machinetypeid < 33"
+		              "models.machinetypeid NOT IN (1, 16, 17, 18, 19, 20, 33, 46)"
 
 		' Add BU filter if specified
 		If filterBU <> "" And IsNumeric(filterBU) Then