Refactor payment verification to manual workflow and add comprehensive cleanup tools

Major changes:
• Remove BTCPay Server integration in favor of SilverPAY manual verification
• Add test data cleanup mechanisms (API endpoints and shell scripts)
• Fix compilation errors in TestController (IdentityReference vs CustomerIdentity)
• Add deployment automation scripts for Hostinger VPS
• Enhance integration testing with comprehensive E2E validation
• Add Blazor components and mobile-responsive CSS for admin interface
• Create production environment configuration scripts

Key Features Added:
• Manual payment verification through Admin panel Order Details
• Bulk test data cleanup with proper cascade handling
• Deployment automation with systemd service configuration
• Comprehensive E2E testing suite with SilverPAY integration validation
• Mobile-first admin interface improvements

Security & Production:
• Environment variable configuration for production secrets
• Proper JWT and VAPID key management
• SilverPAY API integration with live credentials
• Database cleanup and maintenance tools

🤖 Generated with Claude Code

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

.claude/settings.local.json

@@ -33,7 +33,14 @@
       "Bash(git commit:*)",
       "Bash(docker build:*)",
       "Bash(git fetch:*)",
-      "Bash(./deploy-telebot-hostinger.sh:*)"
+      "Bash(./deploy-telebot-hostinger.sh:*)",
+      "Bash(./deploy-watchonly-update.sh:*)",
+      "Bash(./deploy-watchonly-quick.sh:*)",
+      "Bash(bash:*)",
+      "Bash(./check-api-key.sh:*)",
+      "Bash(/tmp/fix-celery-beat.sh:*)",
+      "Bash(/tmp/bypass-hdwallet-unlock.sh:*)",
+      "Bash(/tmp/fix-db-initialization.sh:*)"
     ],
     "deny": [],
     "ask": []