Add USB checkout system and SSO profile page

New Features:
- USB Device checkout/check-in system with barcode scanning
  - displayusb.asp: List all USB devices with status
  - addusb.asp: Add new USB devices via barcode scan
  - checkout_usb.asp/savecheckout_usb.asp: Check out USB to SSO
  - checkin_usb.asp/savecheckin_usb.asp: Check in with wipe confirmation
  - usb_history.asp: Full checkout history with filters
  - api_usb.asp: JSON API for AJAX lookups
- displayprofile.asp: SSO profile page showing user info and USB history
- Date/time format changed to 12-hour (MM/DD/YYYY h:mm AM/PM)
- SSO links in USB history now link to profile page via search

Database:
- New machinetypeid 44 for USB devices
- New usb_checkouts table for tracking checkouts

Cleanup:
- Removed v2 folder (duplicate/old files)
- Removed old debug/test files
- Removed completed migration documentation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

tv-dashboard/slide.asp

@@ -0,0 +1,61 @@
+<%@ Language="VBScript" %>
+<%
+Response.Buffer = True
+
+' Slides folder path (UNC)
+Const SLIDES_FOLDER = "\\tsgwp00525.rd.ds.ge.com\shared\dt\tv"
+
+' Get filename from querystring
+Dim filename, filepath, fso, ext
+
+filename = Request.QueryString("file")
+
+' Validate filename - no path traversal
+If InStr(filename, "..") > 0 Or InStr(filename, "/") > 0 Or InStr(filename, "\") > 0 Or filename = "" Then
+    Response.Status = "400 Bad Request"
+    Response.End
+End If
+
+filepath = SLIDES_FOLDER & "\" & filename
+
+Set fso = Server.CreateObject("Scripting.FileSystemObject")
+
+' Check file exists
+If Not fso.FileExists(filepath) Then
+    Response.Status = "404 Not Found"
+    Set fso = Nothing
+    Response.End
+End If
+
+' Get extension and set content type
+ext = LCase(fso.GetExtensionName(filename))
+
+Select Case ext
+    Case "jpg", "jpeg"
+        Response.ContentType = "image/jpeg"
+    Case "png"
+        Response.ContentType = "image/png"
+    Case "gif"
+        Response.ContentType = "image/gif"
+    Case "bmp"
+        Response.ContentType = "image/bmp"
+    Case "webp"
+        Response.ContentType = "image/webp"
+    Case Else
+        Response.Status = "415 Unsupported Media Type"
+        Set fso = Nothing
+        Response.End
+End Select
+
+Set fso = Nothing
+
+' Read and serve the file
+Dim stream
+Set stream = Server.CreateObject("ADODB.Stream")
+stream.Type = 1 ' Binary
+stream.Open
+stream.LoadFromFile filepath
+Response.BinaryWrite stream.Read
+stream.Close
+Set stream = Nothing
+%>