feat(admin): 仪表盘重构、代理线路修复与后台体验优化

- 各角色仪表盘：KPI 可点击跳转、快捷入口、去重冗余区块，代理/站点降级 analytics
- 代理线路：创建玩家权限、侧栏搜索、深链 URL、档案保存与删除预检等修复
- 统一密码最短 6 位；代理模块表格/侧栏背景色一致（admin-table-inset）
- 报表、钱包、对账、开奖、结算、配置等模块结构与 i18n 同步更新

src/modules/draws/draw-detail-context.tsx

@@ -0,0 +1,79 @@
+"use client";
+
+import {
+  createContext,
+  useCallback,
+  useContext,
+  useMemo,
+  useState,
+  type ReactNode,
+} from "react";
+import { useTranslation } from "react-i18next";
+
+import { getAdminDraw } from "@/api/admin-draws";
+import { useAsyncEffect } from "@/hooks/use-async-effect";
+import { useTranslationRef } from "@/hooks/use-translation-ref";
+import { LotteryApiBizError } from "@/types/api/errors";
+import type { AdminDrawShowData } from "@/types/api/admin-draws";
+
+type DrawDetailContextValue = {
+  drawId: number;
+  draw: AdminDrawShowData | null;
+  loading: boolean;
+  error: string | null;
+  refresh: () => Promise<void>;
+};
+
+const DrawDetailContext = createContext<DrawDetailContextValue | null>(null);
+
+export function DrawDetailProvider({
+  drawId,
+  children,
+}: {
+  drawId: string;
+  children: ReactNode;
+}): React.ReactElement {
+  const tRef = useTranslationRef(["draws", "common"]);
+  const idNum = Number(drawId);
+  const [draw, setDraw] = useState<AdminDrawShowData | null>(null);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  const refresh = useCallback(async () => {
+    if (!Number.isFinite(idNum)) {
+      setError(tRef.current("invalidDrawId"));
+      setDraw(null);
+      setLoading(false);
+      return;
+    }
+    setLoading(true);
+    setError(null);
+    try {
+      setDraw(await getAdminDraw(idNum));
+    } catch (e) {
+      setDraw(null);
+      setError(e instanceof LotteryApiBizError ? e.message : tRef.current("errors.loadFailed", { ns: "common" }));
+    } finally {
+      setLoading(false);
+    }
+  }, [idNum, tRef]);
+
+  useAsyncEffect(() => {
+    void refresh();
+  }, [refresh]);
+
+  const value = useMemo(
+    () => ({ drawId: idNum, draw, loading, error, refresh }),
+    [draw, error, idNum, loading, refresh],
+  );
+
+  return <DrawDetailContext.Provider value={value}>{children}</DrawDetailContext.Provider>;
+}
+
+export function useDrawDetail(): DrawDetailContextValue {
+  const ctx = useContext(DrawDetailContext);
+  if (ctx == null) {
+    throw new Error("useDrawDetail must be used within DrawDetailProvider");
+  }
+  return ctx;
+}