0.6.0

What's Changed

• fix: bump MCP SDK to >=1.23.0 for protocol 2025-11-25 support by @jbkjr in #118
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci[bot] in #108
• refactor: simplify code and reduce duplication by @jbkjr in #110
• fix: handle Proton Bridge IMAP response format in _batch_fetch_headers by @simonluijk in #112
• feat: Add HTML body fallback when text/plain is not available by @peteWT in #114
• Fix: Set Message-Id and Date headers on outgoing emails by @frlefebvre in #115

New Contributors

• @simonluijk made their first contribution in #112
• @peteWT made their first contribution in #114
• @frlefebvre made their first contribution in #115

Full Changelog: 0.5.5...0.6.0