About page: - Version history now shows v4.1.2 prominently with accordion for older versions - Shortened 'Error Correction Reed-Solomon' to 'DCT ECC / RS Code' - Removed v4.1 badges from established features API fixes: - Export MAX_FILE_PAYLOAD_SIZE from constants - Export calculate_capacity_by_mode from steganography 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>