# Nexus 新增关键决策 (Phase D)

CORS_ORIGINS可改(逗号分隔,空=allow all). Redis max_connections可改(从settings读取,不再硬编码50). 命令注入防护: BLOCKED_COMMAND_PATTERNS+BLOCKED_SUDO_COMMANDS. Telegram httpx模块级单例复用. 告警通知UX: WebSocket浮动卡片栈(非简单toast,含图标+服务器名+指标+暗色模式). Redis session store: session:{token} 8h滑动TTL. Agent健康检查: httpx+Semaphore(20)并发控制.

## 相关概念

- Nexus
- decisions
- CORS
- Redis
- security
- UX

---
*源: agentmemory (mem_new_decisions)*
