Function isSafeKey

apps/sim/tools/safe-assign.ts:6–8

(key: string)

 * Checks if a key is safe to use in object assignment (not a prototype pollution vector)
 */
export function isSafeKey(key: string): boolean {
  return !DANGEROUS_KEYS.has(key)
}

/**
 * Safely assigns properties from source to target, filtering out prototype pollution keys.