Centralized API token management workflow. Store tokens in .env with expiration dates, test permissions via script battery, document capabilities in connections/, set calendar renewal reminders. Prevents re-asking for credentials, ensures token security, tracks expiration.

集中式 API 令牌管理流程。将令牌存储于 .env 文件并标注过期时间，通过脚本套件测试权限，在 connections/ 目录中记录功能说明，设置日历 renewal 提醒。避免重复请求凭据，保障令牌安全，追踪过期状态。