- Add XOR decryption function using same key as Video Combine Encrypt - Add optional 'encrypt' boolean parameter (default: False) - When enabled, decrypts image bytes in-memory before processing - Supports all input sources: local files, HTTP URLs, and base64 - Backward compatible: default behavior unchanged - Uses fast NumPy vectorized XOR operation Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>