Fixed 'invalid character '\x1f' looking for beginning of value' error caused by gzip compression in setupKillcodeHeaders function: - Removed 'Accept-Encoding: br, gzip, deflate' header that caused upstream to return compressed responses - Removed browser-specific 'sec-fetch-mode: cors' header - This prevents new-api from trying to parse compressed JSON as raw text 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>