refactor: 更新管理端页面元数据，统一国际化支持，移除冗余代码

src/lib/admin-page-title.ts

@@ -0,0 +1,105 @@
+export type PageTitleSpec = {
+  ns: string;
+  key: string;
+  params?: Record<string, string>;
+};
+
+const EXACT_ROUTES: Record<string, PageTitleSpec> = {
+  "/admin": { ns: "dashboard", key: "title" },
+  "/admin/players": { ns: "players", key: "title" },
+  "/admin/draws": { ns: "draws", key: "statusListTitle" },
+  "/admin/tickets": { ns: "tickets", key: "title" },
+  "/admin/settlement-batches": { ns: "settlement", key: "batchList" },
+  "/admin/reconcile": { ns: "reconcile", key: "title" },
+  "/admin/audit-logs": { ns: "audit", key: "title" },
+  "/admin/admin-users": { ns: "adminUsers", key: "title" },
+  "/admin/admin-roles": { ns: "adminRoles", key: "title" },
+  "/admin/wallet": { ns: "wallet", key: "title" },
+  "/admin/wallet/transactions": { ns: "wallet", key: "walletTransactions" },
+  "/admin/wallet/transfer-orders": { ns: "wallet", key: "transferOrders" },
+  "/admin/wallet/player": { ns: "wallet", key: "playerWalletQuery" },
+  "/admin/risk": { ns: "risk", key: "center" },
+  "/admin/settings": { ns: "common", key: "nav.settings" },
+  "/admin/settings/currencies": { ns: "config", key: "currencies.title" },
+  "/admin/currencies": { ns: "config", key: "currencies.title" },
+  "/admin/config": { ns: "config", key: "hub.title" },
+  "/admin/rules/plays": { ns: "config", key: "nav.rulesPlaysTitle" },
+  "/admin/rules/odds": { ns: "config", key: "nav.rulesOddsTitle" },
+  "/admin/jackpot": { ns: "jackpot", key: "configTitle" },
+  "/admin/risk/cap": { ns: "config", key: "nav.riskCapTitle" },
+  "/admin/login": { ns: "auth", key: "title" },
+};
+
+type RoutePattern = {
+  test: (pathname: string) => boolean;
+  resolve: (pathname: string) => PageTitleSpec;
+};
+
+const ROUTE_PATTERNS: RoutePattern[] = [
+  {
+    test: (p) => /^\/admin\/draws\/\d+\/finance$/.test(p),
+    resolve: () => ({ ns: "draws", key: "subnav.finance" }),
+  },
+  {
+    test: (p) => /^\/admin\/draws\/\d+\/results$/.test(p),
+    resolve: () => ({ ns: "draws", key: "subnav.results" }),
+  },
+  {
+    test: (p) => /^\/admin\/draws\/\d+\/review$/.test(p),
+    resolve: () => ({ ns: "draws", key: "subnav.review" }),
+  },
+  {
+    test: (p) => /^\/admin\/draws\/\d+\/publish\/\d+$/.test(p),
+    resolve: () => ({ ns: "draws", key: "publishTitle" }),
+  },
+  {
+    test: (p) => /^\/admin\/draws\/\d+\/risk\/occupancy$/.test(p) || /^\/admin\/risk\/draws\/\d+\/occupancy$/.test(p),
+    resolve: () => ({ ns: "draws", key: "subnav.riskOccupancy" }),
+  },
+  {
+    test: (p) => /^\/admin\/draws\/\d+\/risk\/hot$/.test(p) || /^\/admin\/risk\/draws\/\d+\/hot$/.test(p),
+    resolve: () => ({ ns: "draws", key: "subnav.riskHot" }),
+  },
+  {
+    test: (p) => /^\/admin\/draws\/\d+\/risk\/sold-out$/.test(p) || /^\/admin\/risk\/draws\/\d+\/sold-out$/.test(p),
+    resolve: () => ({ ns: "draws", key: "subnav.riskSoldOut" }),
+  },
+  {
+    test: (p) => /^\/admin\/draws\/\d+\/risk\/pools$/.test(p) || /^\/admin\/risk\/draws\/\d+\/pools$/.test(p),
+    resolve: () => ({ ns: "draws", key: "subnav.riskPools" }),
+  },
+  {
+    test: (p) => /^\/admin\/draws\/\d+\/risk\/pools\/[^/]+$/.test(p) || /^\/admin\/risk\/draws\/\d+\/pools\/[^/]+$/.test(p),
+    resolve: (p) => {
+      const number = decodeURIComponent(p.split("/").pop() ?? "");
+      return { ns: "risk", key: "numberTitle", params: { number } };
+    },
+  },
+  {
+    test: (p) => /^\/admin\/draws\/\d+\/risk$/.test(p),
+    resolve: () => ({ ns: "risk", key: "title" }),
+  },
+  {
+    test: (p) => /^\/admin\/draws\/\d+$/.test(p),
+    resolve: () => ({ ns: "draws", key: "drawDetail" }),
+  },
+  {
+    test: (p) => /^\/admin\/settlement-batches\/\d+\/details$/.test(p),
+    resolve: () => ({ ns: "settlement", key: "details" }),
+  },
+];
+
+/** 根据路径解析浏览器标题用的 i18n 规格。 */
+export function resolveAdminPageTitle(pathname: string): PageTitleSpec | null {
+  if (EXACT_ROUTES[pathname]) {
+    return EXACT_ROUTES[pathname];
+  }
+
+  for (const pattern of ROUTE_PATTERNS) {
+    if (pattern.test(pathname)) {
+      return pattern.resolve(pathname);
+    }
+  }
+
+  return null;
+}

src/lib/page-metadata.ts

@@ -0,0 +1,57 @@
+import type { Metadata } from "next";
+
+import enAdminRoles from "@/i18n/locales/en/adminRoles.json";
+import enAdminUsers from "@/i18n/locales/en/adminUsers.json";
+import enAudit from "@/i18n/locales/en/audit.json";
+import enAuth from "@/i18n/locales/en/auth.json";
+import enConfig from "@/i18n/locales/en/config.json";
+import enDashboard from "@/i18n/locales/en/dashboard.json";
+import enDraws from "@/i18n/locales/en/draws.json";
+import enJackpot from "@/i18n/locales/en/jackpot.json";
+import enPlayers from "@/i18n/locales/en/players.json";
+import enReconcile from "@/i18n/locales/en/reconcile.json";
+import enRisk from "@/i18n/locales/en/risk.json";
+import enSettlement from "@/i18n/locales/en/settlement.json";
+import enCommon from "@/i18n/locales/en/common.json";
+import enTickets from "@/i18n/locales/en/tickets.json";
+import enWallet from "@/i18n/locales/en/wallet.json";
+
+const EN_FLAT: Record<string, Record<string, unknown>> = {
+  dashboard: enDashboard,
+  players: enPlayers,
+  draws: enDraws,
+  tickets: enTickets,
+  settlement: enSettlement,
+  reconcile: enReconcile,
+  audit: enAudit,
+  adminUsers: enAdminUsers,
+  adminRoles: enAdminRoles,
+  wallet: enWallet,
+  risk: enRisk,
+  jackpot: enJackpot,
+  config: enConfig,
+  common: enCommon,
+  auth: enAuth,
+};
+
+function getByPath(obj: Record<string, unknown>, path: string): string | undefined {
+  const parts = path.split(".");
+  let cur: unknown = obj;
+  for (const part of parts) {
+    if (cur == null || typeof cur !== "object") {
+      return undefined;
+    }
+    cur = (cur as Record<string, unknown>)[part];
+  }
+  return typeof cur === "string" ? cur : undefined;
+}
+
+/** SSR 默认英文标题；客户端由 {@link AdminDocumentTitle} 按用户语言覆盖。 */
+export function buildPageMetadata(ns: string, key: string): Metadata {
+  const bundle = EN_FLAT[ns];
+  const title = bundle ? getByPath(bundle as Record<string, unknown>, key) : undefined;
+
+  return {
+    title: title ?? key,
+  };
+}