chore: ARTEX 初始化

ARTEX — AI 自主渗透测试系统（Go 后端 + Next.js 前端，单二进制内嵌）。

Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>

web/src/lib/utils.ts

@@ -0,0 +1,42 @@
+import { type ClassValue, clsx } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}
+
+export const getInitials = (str: string): string => {
+  if (typeof str !== "string" || !str.trim()) return "?";
+
+  return (
+    str
+      .trim()
+      .split(/\s+/)
+      .filter(Boolean)
+      .map((word) => word[0])
+      .join("")
+      .toUpperCase() || "?"
+  );
+};
+
+export function formatCurrency(
+  amount: number,
+  opts?: {
+    currency?: string;
+    locale?: string;
+    minimumFractionDigits?: number;
+    maximumFractionDigits?: number;
+    noDecimals?: boolean;
+  },
+) {
+  const { currency = "USD", locale = "en-US", minimumFractionDigits, maximumFractionDigits, noDecimals } = opts ?? {};
+
+  const formatOptions: Intl.NumberFormatOptions = {
+    style: "currency",
+    currency,
+    minimumFractionDigits: noDecimals ? 0 : minimumFractionDigits,
+    maximumFractionDigits: noDecimals ? 0 : maximumFractionDigits,
+  };
+
+  return new Intl.NumberFormat(locale, formatOptions).format(amount);
+}