Security Priority: P0 (CRITICAL) Principles - XSS Prevention : Angular sanitizes interpolated values by default — {{ userInput }} safe . NOT use unless absolutely necessary (e.g., trusted static CMS content). For user-generated content, display as text with {{ content }} — never as HTML . - Bypass Security : Only bypass security for content you control (e.g., trusted CMS headers). Never call bypassSecurityTrustHtml on user-provided data. Use DomSanitizer.sanitize(SecurityContext.HTML, content) instead of bypass functions. Audit every bypassSecurityTrust\ call as potential XSS vector . - Route…