将角色从全局前端状态改为随对话任务保存和恢复，切换任务时会自动同步对应角色。
Role selection is now saved and restored per conversation, so switching tasks automatically syncs the matching role.
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将角色从全局前端状态改为随对话任务保存和恢复，切换任务时会自动同步对应角色。
Role selection is now saved and restored per conversation, so switching tasks automatically syncs the matching role.