Add badge printing, test pages, and eDNC cleanup script

- printbadge.asp: Machine badge printing with barcode (Code39)
- testcalc.asp: Test page for UDC calculation debugging
- testpage.asp: Generic test page template
- sql/drop_ednc_tables.sql: Cleanup script for deprecated eDNC tables

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

sql/drop_ednc_tables.sql

@@ -0,0 +1,23 @@
+-- ============================================================================
+-- Drop eDNC Special Character Fix Tables and Data
+-- Run on PRODUCTION to remove deprecated eDNC tracking
+-- Created: 2025-12-12
+-- ============================================================================
+
+-- Remove view first (depends on table)
+DROP VIEW IF EXISTS vw_ednclogs;
+
+-- Remove log table
+DROP TABLE IF EXISTS ednclogs;
+
+-- Remove installation tracking records
+DELETE FROM installedapps WHERE appid = 79;
+
+-- Remove application definition
+DELETE FROM applications WHERE appid = 79;
+
+-- Verify cleanup
+SELECT 'Cleanup complete. Verify tables removed:' AS status;
+SHOW TABLES LIKE '%ednc%';
+SELECT COUNT(*) AS remaining_installedapps FROM installedapps WHERE appid = 79;
+SELECT COUNT(*) AS remaining_applications FROM applications WHERE appid = 79;