feat: one-line install for agents and probes from one shared script (curl | bash, zsh, PowerShell) [CI]

web/shared/theme/base.css

@@ -765,6 +765,7 @@ pre.code {
   font-size: 12.5px;
   line-height: 1.6;
   word-break: break-all;
+  white-space: pre-wrap; /* 容器命令是多行的（行尾反斜杠续行） */
   user-select: all;
 }