v2.2.0 更好的情景预设

What's Changed

• [Feat] 支持删除会话的指定或全部历史记录 (#239) by @RockChinQ in #263
• [Feat] 情景预设（人格）完善 by @chordfish-k in #262

New Contributors

• @chordfish-k made their first contribution in #262

Full Changelog: v2.1.4...v2.2.0