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>

displayprinter.asp

@@ -182,7 +182,15 @@
 			End If
 %>
                             </p>
-                            <p class="mb-2"><%=Server.HTMLEncode(fqdnVal)%></p>
+                            <p class="mb-2">
+<%
+			If fqdnVal <> "N/A" And fqdnVal <> "" Then
+				Response.Write("<a href='http://" & Server.HTMLEncode(fqdnVal) & "' title='Click to Access Printer Admin Page' target='_blank'>" & Server.HTMLEncode(fqdnVal) & "</a>")
+			Else
+				Response.Write("N/A")
+			End If
+%>
+                            </p>
                             <p class="mb-2"><%=Server.HTMLEncode(pinVal)%></p>
                             <p class="mb-2">
 <%