feat(config): 重构配置模块导航与版本切换，新增版本删除能力

src/modules/config/config-nav-model.ts

@@ -0,0 +1,77 @@
+/**
+ * 运营配置子导航与面包屑的单一数据源。
+ * 新增配置页：在此追加条目，并增加 `app/admin/(shell)/config/.../page.tsx`。
+ */
+
+export type ConfigNavGroup = {
+  id: string;
+  label: string;
+  items: readonly {
+    href: string;
+    title: string;
+    description: string;
+  }[];
+};
+
+export const CONFIG_NAV_GROUPS: readonly ConfigNavGroup[] = [
+  {
+    id: "betting",
+    label: "投注与展示",
+    items: [
+      {
+        href: "/admin/config/plays",
+        title: "玩法与限额",
+        description: "目录开关、单玩法限额、版本发布",
+      },
+      {
+        href: "/admin/config/odds",
+        title: "赔率",
+        description: "按玩法与奖级维护乘数与币种",
+      },
+      {
+        href: "/admin/config/rebate",
+        title: "佣金 / 回水",
+        description: "从赔率草稿批量调整回水比例",
+      },
+    ],
+  },
+  {
+    id: "risk_wallet",
+    label: "风控与资金",
+    items: [
+      {
+        href: "/admin/config/risk-cap",
+        title: "赔付封顶",
+        description: "按号码维度的封顶版本",
+      },
+      {
+        href: "/admin/config/wallet",
+        title: "钱包阈值",
+        description: "转入转出上下限（系统设置）",
+      },
+    ],
+  },
+] as const;
+
+const CONFIG_ROUTE_LABEL_ENTRIES: readonly [string, string][] = [
+  ["plays", "玩法与限额"],
+  ["odds", "赔率"],
+  ["rebate", "佣金 / 回水"],
+  ["risk-cap", "赔付封顶"],
+  ["wallet", "钱包阈值"],
+];
+
+/** 面包屑第三段 slug → 中文 */
+export const CONFIG_ROUTE_LABELS: Readonly<Record<string, string>> = Object.fromEntries(
+  CONFIG_ROUTE_LABEL_ENTRIES,
+) as Readonly<Record<string, string>>;
+
+export function flattenConfigNavHrefs(): string[] {
+  const out: string[] = [];
+  for (const g of CONFIG_NAV_GROUPS) {
+    for (const it of g.items) {
+      out.push(it.href);
+    }
+  }
+  return out;
+}