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>

sql/migration_phase4/RUN_ALL_PHASE4_SCRIPTS.sql

@@ -0,0 +1,75 @@
+-- =====================================================
+-- RUN ALL PHASE 4 SCRIPTS: Application Versions
+-- =====================================================
+-- Date: 2025-11-25
+-- Purpose: Execute all Phase 4 migration scripts in order
+--
+-- USAGE:
+--   mysql -u root -p shopdb < RUN_ALL_PHASE4_SCRIPTS.sql
+--
+-- OR run each script individually:
+--   1. 01_create_appversions_table.sql
+--   2. 02_add_appversionid_to_installedapps.sql
+--   3. 03_add_appid_to_notifications.sql
+--   4. VERIFY_PHASE4_MIGRATION.sql
+--
+-- ROLLBACK ORDER (if needed):
+--   1. ROLLBACK_03_notifications_appid.sql
+--   2. ROLLBACK_02_installedapps_appversionid.sql
+--   3. ROLLBACK_01_appversions_table.sql
+-- =====================================================
+
+USE shopdb;
+
+SELECT '=================================================' AS '';
+SELECT 'PHASE 4 MIGRATION: Application Versions' AS '';
+SELECT 'Started at: ' AS '', NOW() AS timestamp;
+SELECT '=================================================' AS '';
+
+-- =====================================================
+-- PRE-MIGRATION BACKUP REMINDER
+-- =====================================================
+SELECT 'REMINDER: Ensure you have a database backup before proceeding!' AS '';
+SELECT '' AS '';
+
+-- =====================================================
+-- SCRIPT 1: Create appversions table
+-- =====================================================
+SELECT '--- Running Script 01: Create appversions table ---' AS '';
+
+SOURCE 01_create_appversions_table.sql;
+
+-- =====================================================
+-- SCRIPT 2: Add appversionid to installedapps
+-- =====================================================
+SELECT '--- Running Script 02: Add appversionid to installedapps ---' AS '';
+
+SOURCE 02_add_appversionid_to_installedapps.sql;
+
+-- =====================================================
+-- SCRIPT 3: Add appid to notifications
+-- =====================================================
+SELECT '--- Running Script 03: Add appid to notifications ---' AS '';
+
+SOURCE 03_add_appid_to_notifications.sql;
+
+-- =====================================================
+-- VERIFICATION
+-- =====================================================
+SELECT '--- Running Verification ---' AS '';
+
+SOURCE VERIFY_PHASE4_MIGRATION.sql;
+
+-- =====================================================
+-- COMPLETE
+-- =====================================================
+SELECT '=================================================' AS '';
+SELECT 'PHASE 4 MIGRATION COMPLETE' AS '';
+SELECT 'Finished at: ' AS '', NOW() AS timestamp;
+SELECT '=================================================' AS '';
+SELECT '' AS '';
+SELECT 'NEXT STEPS:' AS '';
+SELECT '1. Update api.asp to use appversions table' AS '';
+SELECT '2. Update PowerShell script to send version data' AS '';
+SELECT '3. Update notification forms to allow app selection' AS '';
+SELECT '=================================================' AS '';