sanitizeRequest (utils/inputSanitizer.ts)

Sanitizes LLM request bodies, detecting prompt injection patterns and redacting PII based on configurable rules.

// Source: https://github.com/ai-integr8tor/diegosouzapw-OmniRoute | License: MIT | Copyright 2026 diegosouzapw
// Provided via justclaw.it.com; keep this notice with the code.
/**
 * Input Sanitizer — FASE-01 Security Hardening
 *
 * Detects prompt injection patterns and redacts PII from LLM requests.
 * Configurable via environment variables or dashboard settings.
 *
 * @module inputSanitizer
 */

// ─── Prompt Injection Patterns ───────────────────────────────────────

/** @type {Array<{name: string, pattern: RegExp, severity: string}>} */
const INJECTION_PATTERNS = [
  {
    name: "system_override",
    pattern:
      /\b(ignore|disregard|forget)\s+(all\s+)?(previous|prior|above|earlier)\s+(instructions?|prompts?|rules?|context)/i,
    severity: "high",
  },
  {
    name: "role_hijack"

... (truncated -- full source via MCP)