fix: address multiple code review issues across platform components

- Fix maxUsers input validation to prevent negative values and handle NaN cases
- Enhance error handling in fetchCompany with detailed logging and context
- Implement actual cache invalidation logic with pattern-based clearing
- Add comprehensive cache optimization with memory management
- Remove unsafe type casting in performance history analytics
- Improve form validation and authentication patterns
- Update documentation to mask sensitive data in examples

docs/security-audit-logging.md

@@ -104,8 +104,8 @@ import { securityAuditLogger, AuditOutcome } from "./lib/securityAuditLogger";
 await securityAuditLogger.logAuthentication("user_login_success", AuditOutcome.SUCCESS, {
   userId: "user-123",
   companyId: "company-456",
-  ipAddress: "192.168.1.1",
-  userAgent: "Mozilla/5.0...",
+  ipAddress: "192.168.1.***",
+  userAgent: "Mozilla/5.0 (masked)",
   metadata: { loginMethod: "password" },
 });