feat(agents, config, dashboard, i18n): add agent line provision wizard, site deletion, and site dashboard with multi-language support

Added agent line provision wizard page with permission gating, replacing redirect placeholder. Introduced site deletion API and UI with confirmation dialog in integration sites management. Added new site-scoped dashboard panel showing bet metrics, P/L trends, active players, and quick links. Enhanced chart tooltip to support custom formatters and fix indicator color

src/lib/admin-signed-money.tsx

@@ -0,0 +1,53 @@
+"use client";
+
+import type { ReactElement, ReactNode } from "react";
+
+import { cn } from "@/lib/utils";
+
+/** 盈亏 / 输赢：负红、正绿、零灰 */
+export function signedMoneyClass(amount: number, emphasize = false): string {
+  if (amount < 0) {
+    return cn("text-destructive", emphasize && "font-semibold");
+  }
+  if (amount > 0) {
+    return cn("text-emerald-600 dark:text-emerald-400", emphasize && "font-semibold");
+  }
+
+  return cn("text-muted-foreground", emphasize && "font-medium");
+}
+
+export function SignedMoney({
+  amount,
+  children,
+  emphasize,
+  className,
+}: {
+  amount: number;
+  children: ReactNode;
+  emphasize?: boolean;
+  className?: string;
+}): ReactElement {
+  return (
+    <span className={cn(signedMoneyClass(amount, emphasize), "tabular-nums", className)}>
+      {children}
+    </span>
+  );
+}
+
+/** 报表 / 结算字段是否应按正负着色 */
+export function isSignedMoneyField(key: string): boolean {
+  return (
+    key === "approx_house_gross_minor" ||
+    key === "net_win_loss_minor" ||
+    key === "gross_win_loss" ||
+    key === "game_win_loss" ||
+    key === "profit_loss_minor" ||
+    key === "today_profit_minor" ||
+    key === "seven_day_profit_minor" ||
+    key === "platform_profit" ||
+    key === "platform_profit_minor" ||
+    key === "share_profit" ||
+    key === "share_profit_meta" ||
+    key.endsWith("_profit_minor")
+  );
+}