Method deleteSession

src/context/storage/PersistentStore.ts:147–159

* 删除会话数据

(sessionId: string)

   * 删除会话数据
   */
  async deleteSession(sessionId: string): Promise<void> {
    try {
      const sessionPath = path.join(this.storagePath, 'sessions', `${sessionId}.json`);
      const conversationPath = path.join(this.storagePath, 'conversations', `${sessionId}.json`);

      await Promise.all([
        fs.unlink(sessionPath).catch(() => {}),
        fs.unlink(conversationPath).catch(() => {}),
      ]);
    } catch (error) {
      console.warn(`警告：无法删除会话 ${sessionId}:`, error);
    }
  }

  /**
   * 清理旧会话（保持最近的N个会话）