新华社快讯：习近平作出重要指示强调，锲而不舍落实中央八项规定精神，推进作风建设常态化长效化。蔡奇主持中央党的建设工作领导小组会议并讲话，李希出席并讲话。

Core Points - Xi Jinping emphasized the importance of persistently implementing the spirit of the Central Eight Regulations and promoting the normalization and long-term effectiveness of work style construction [1] - Cai Qi chaired a meeting of the Central Party Construction Work Leading Group and delivered a speech, with Li Xi also attending and speaking [1] Summary by Categories - Policy Implementation - The focus is on the continuous enforcement of the Central Eight Regulations to enhance governance and discipline within the party [1] - Leadership Engagement - The meeting was led by Cai Qi, highlighting the leadership's commitment to party construction and governance [1] - Li Xi's participation underscores the collaborative effort among top officials in addressing these issues [1]