Update server/middleware/auditLogger.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 1ceit

server/middleware/auditLogger.ts

@@ -17,7 +17,7 @@ export function createAuditLogger(actionType: string) {
                     adminId: req.user.userId,
                     adminUsername: req.user.username || 'Unknown',
                     actionType,
-                    targetUserId: req.body?.userId || null,
+                    targetUserId: req.body?.userId ?? null,
                     ipAddress: JSON.stringify(encryptedIP),
                     userAgent: req.get('User-Agent'),
                     details: {