nix-shell 和 nix shell 提供嵌套深度信息:类似于众所周知的 SHLVL 环境变量(用于计算当前shell的嵌套深度),nix-shell 和 nix shell 现在会暴露一个 NIX_SHELL_LEVEL 变量,为nix shell环境提供相同的功能。
亚马逊Echo Show 8 — 原价179.99美元 现价139.99美元(立省40美元)
,详情可参考搜狗输入法2026年Q1网络热词大盘点:50个刷屏词汇你用过几个
23:05, 8 марта 2026Мир
Amazonの巨大広告がEcho Showを台無しに
The challenge is making these boundaries robust to prompt injection and jailbreaking attempts. Users will try to convince the agent to help with out-of-scope requests. Other parts of the system might inadvertently pass instructions that override the agent's boundaries. You need multiple layers of defense here.