Zero-dep TypeScript prompt-injection firewall: block/excise/quarantine/tag modes, Unicode Plane 14, encoding-bypass resistance (leet/base64/ROT13), output exfil + canary validation. OWASP LLM01/ASI01.
typescript firewall sanitizer input-validation unicode-normalization ai-security defense-in-depth prompt-injection llm-security owasp-llm-top-10 exfiltration-detection spotlighting
-
Updated
Apr 19, 2026 - TypeScript