fix: handle Proton Bridge IMAP response format in _batch_fetch_headers#112

Wh1isper merged 1 commit intoai-zerolab:mainai-zerolab/mcp-email-server:mainfrom

simonluijk:fix/proton-bridge-header-uid-parsingsimonluijk/mcp-email-server:fix/proton-bridge-header-uid-parsingCopy head branch name to clipboard