Audit-Logging System:
- Migration 007: management_audit_log table with indexes
- Tracks all management portal actions
- IP address, user-agent, request data logging
- Token masking (only first 8 chars stored)
- Success/failure tracking with error messages
ManagementAuditLogRepository:
- logAction() - Log management actions
- getRecentLogs() - Get last N logs
- getLogsByGroupId() - Get logs for specific group
- getFailedActionsByIP() - Security monitoring
- getStatistics() - Overview statistics
- cleanupOldLogs() - Maintenance (90 days retention)
Audit-Log Middleware:
- Adds res.auditLog() helper function
- Auto-captures IP, User-Agent
- Integrated into all management routes
- Non-blocking (errors don't fail main operation)
Admin API Endpoints:
- GET /api/admin/management-audit?limit=N
- GET /api/admin/management-audit/stats
- GET /api/admin/management-audit/group/:groupId
Tested:
✅ Migration executed successfully
✅ Audit logs written on token validation
✅ Admin API returns logs with stats
✅ Token masking working
✅ Statistics accurate
