feat(i18n, config): 增强多语言支持并新增系统配置项

更新英文、尼泊尔语与中文语言包，新增默认币种、开奖间隔、投注窗口及相关设置的翻译文案，提升界面清晰度与用户体验。
在系统设置中新增开奖相关配置字段，增强彩票系统参数管理的灵活性。
优化多语言国际化支持，确保后台管理界面在不同语言环境下的信息表达一致性。

src/modules/players/players-console.tsx

@@ -310,7 +310,16 @@ export function PlayersConsole(): React.ReactElement {
                   onValueChange={(v) => setSiteCode(v === "__all__" ? "" : v ?? "")}
                 >
                   <SelectTrigger className="w-full sm:w-[12rem]">
-                    <SelectValue placeholder={t("filterAllSites")} />
+                    <SelectValue>
+                      {(v) => {
+                        const value = String(v ?? "__all__");
+                        if (value === "__all__") {
+                          return t("filterAllSites");
+                        }
+                        const site = siteOptions.find((item) => item.code === value);
+                        return site ? `${site.code} — ${site.name}` : value;
+                      }}
+                    </SelectValue>
                   </SelectTrigger>
                   <SelectContent>
                     <SelectItem value="__all__">{t("filterAllSites")}</SelectItem>

src/modules/settings/system-settings-screen.tsx

@@ -24,8 +24,16 @@ const DRAW_GROUP = "draw";
 const SETTLEMENT_GROUP = "settlement";
 
 const DRAW_KEYS = {
+  DEFAULT_CURRENCY: "currency.default_code",
+  DRAW_INTERVAL_MINUTES: "draw.interval_minutes",
+  DRAW_BETTING_WINDOW_SECONDS: "draw.betting_window_seconds",
+  DRAW_CLOSE_BEFORE_DRAW_SECONDS: "draw.close_before_draw_seconds",
+  DRAW_BUFFER_DRAWS_AHEAD: "draw.buffer_draws_ahead",
   REQUIRE_MANUAL_REVIEW: "draw.require_manual_review",
   COOLDOWN_MINUTES: "draw.cooldown_minutes",
+  CURRENCY_DISPLAY_DECIMALS: "currency.display_decimals",
+  CURRENCY_DECIMAL_SEPARATOR: "currency.decimal_separator",
+  CURRENCY_THOUSANDS_SEPARATOR: "currency.thousands_separator",
   AUTO_SETTLEMENT: "settlement.auto_run_on_tick",
   AUTO_APPROVE: "settlement.auto_approve_on_tick",
   AUTO_PAYOUT: "settlement.auto_payout_on_tick",
@@ -41,8 +49,16 @@ const FRONTEND_KEYS = {
 } as const;
 
 interface RuntimeDraft {
+  defaultCurrency: string;
+  drawIntervalMinutes: string;
+  drawBettingWindowSeconds: string;
+  drawCloseBeforeDrawSeconds: string;
+  drawBufferDrawsAhead: string;
   requireManualReview: boolean;
   cooldownMinutes: string;
+  currencyDisplayDecimals: string;
+  currencyDecimalSeparator: string;
+  currencyThousandsSeparator: string;
   autoSettlement: boolean;
   autoApprove: boolean;
   autoPayout: boolean;
@@ -89,8 +105,16 @@ export function SystemSettingsScreen() {
   const { t } = useTranslation(["common", "config", "adminUsers"]);
   const { request: requestConfirm, ConfirmDialog } = useConfirmAction();
   const [draft, setDraft] = useState<RuntimeDraft>({
+    defaultCurrency: "NPR",
+    drawIntervalMinutes: "5",
+    drawBettingWindowSeconds: "270",
+    drawCloseBeforeDrawSeconds: "30",
+    drawBufferDrawsAhead: "8",
     requireManualReview: false,
     cooldownMinutes: "15",
+    currencyDisplayDecimals: "2",
+    currencyDecimalSeparator: ".",
+    currencyThousandsSeparator: ",",
     autoSettlement: true,
     autoApprove: true,
     autoPayout: true,
@@ -100,8 +124,16 @@ export function SystemSettingsScreen() {
     playRulesHtmlNe: "",
   });
   const [saved, setSaved] = useState<RuntimeDraft>({
+    defaultCurrency: "NPR",
+    drawIntervalMinutes: "5",
+    drawBettingWindowSeconds: "270",
+    drawCloseBeforeDrawSeconds: "30",
+    drawBufferDrawsAhead: "8",
     requireManualReview: false,
     cooldownMinutes: "15",
+    currencyDisplayDecimals: "2",
+    currencyDecimalSeparator: ".",
+    currencyThousandsSeparator: ",",
     autoSettlement: true,
     autoApprove: true,
     autoPayout: true,
@@ -130,8 +162,16 @@ export function SystemSettingsScreen() {
 
       const legacyHtml = String(kv[FRONTEND_KEYS.PLAY_RULES_HTML] ?? "");
       const nextDraft: RuntimeDraft = {
+        defaultCurrency: String(kv[DRAW_KEYS.DEFAULT_CURRENCY] ?? "NPR"),
+        drawIntervalMinutes: String(kv[DRAW_KEYS.DRAW_INTERVAL_MINUTES] ?? 5),
+        drawBettingWindowSeconds: String(kv[DRAW_KEYS.DRAW_BETTING_WINDOW_SECONDS] ?? 270),
+        drawCloseBeforeDrawSeconds: String(kv[DRAW_KEYS.DRAW_CLOSE_BEFORE_DRAW_SECONDS] ?? 30),
+        drawBufferDrawsAhead: String(kv[DRAW_KEYS.DRAW_BUFFER_DRAWS_AHEAD] ?? 8),
         requireManualReview: Boolean(kv[DRAW_KEYS.REQUIRE_MANUAL_REVIEW] ?? false),
         cooldownMinutes: String(kv[DRAW_KEYS.COOLDOWN_MINUTES] ?? 15),
+        currencyDisplayDecimals: String(kv[DRAW_KEYS.CURRENCY_DISPLAY_DECIMALS] ?? 2),
+        currencyDecimalSeparator: String(kv[DRAW_KEYS.CURRENCY_DECIMAL_SEPARATOR] ?? "."),
+        currencyThousandsSeparator: String(kv[DRAW_KEYS.CURRENCY_THOUSANDS_SEPARATOR] ?? ","),
         autoSettlement: Boolean(kv[DRAW_KEYS.AUTO_SETTLEMENT] ?? true),
         autoApprove: Boolean(kv[DRAW_KEYS.AUTO_APPROVE] ?? true),
         autoPayout: Boolean(kv[DRAW_KEYS.AUTO_PAYOUT] ?? true),
@@ -164,11 +204,43 @@ export function SystemSettingsScreen() {
   const handleSave = async () => {
     setSaving(true);
     try {
+      await updateAdminSetting(
+        DRAW_KEYS.DEFAULT_CURRENCY,
+        draft.defaultCurrency.trim().toUpperCase() || "NPR",
+      );
+      await updateAdminSetting(
+        DRAW_KEYS.DRAW_INTERVAL_MINUTES,
+        Math.max(1, Number.parseInt(draft.drawIntervalMinutes || "5", 10) || 5),
+      );
+      await updateAdminSetting(
+        DRAW_KEYS.DRAW_BETTING_WINDOW_SECONDS,
+        Math.max(10, Number.parseInt(draft.drawBettingWindowSeconds || "270", 10) || 270),
+      );
+      await updateAdminSetting(
+        DRAW_KEYS.DRAW_CLOSE_BEFORE_DRAW_SECONDS,
+        Math.max(5, Number.parseInt(draft.drawCloseBeforeDrawSeconds || "30", 10) || 30),
+      );
+      await updateAdminSetting(
+        DRAW_KEYS.DRAW_BUFFER_DRAWS_AHEAD,
+        Math.max(1, Number.parseInt(draft.drawBufferDrawsAhead || "8", 10) || 8),
+      );
       await updateAdminSetting(DRAW_KEYS.REQUIRE_MANUAL_REVIEW, draft.requireManualReview);
       await updateAdminSetting(
         DRAW_KEYS.COOLDOWN_MINUTES,
         Math.max(0, Number.parseInt(draft.cooldownMinutes || "0", 10) || 0),
       );
+      await updateAdminSetting(
+        DRAW_KEYS.CURRENCY_DISPLAY_DECIMALS,
+        Math.max(0, Math.min(12, Number.parseInt(draft.currencyDisplayDecimals || "2", 10) || 2)),
+      );
+      await updateAdminSetting(
+        DRAW_KEYS.CURRENCY_DECIMAL_SEPARATOR,
+        (draft.currencyDecimalSeparator || ".").slice(0, 1),
+      );
+      await updateAdminSetting(
+        DRAW_KEYS.CURRENCY_THOUSANDS_SEPARATOR,
+        (draft.currencyThousandsSeparator || ",").slice(0, 1),
+      );
       await updateAdminSetting(DRAW_KEYS.AUTO_SETTLEMENT, draft.autoSettlement);
       await updateAdminSetting(DRAW_KEYS.AUTO_APPROVE, draft.autoApprove);
       await updateAdminSetting(DRAW_KEYS.AUTO_PAYOUT, draft.autoPayout);
@@ -212,6 +284,119 @@ export function SystemSettingsScreen() {
 
           <div className="h-px bg-border/60" />
 
+          <div className="grid grid-cols-1 gap-4 md:grid-cols-2">
+            <div className="grid gap-2">
+              <Label htmlFor="default-currency" className="text-sm font-medium">
+                {t("system.fields.defaultCurrency", { ns: "config" })}
+              </Label>
+              <Input
+                id="default-currency"
+                value={draft.defaultCurrency}
+                onChange={(e) => updateDraft("defaultCurrency", e.target.value.toUpperCase())}
+                disabled={loading || saving}
+                maxLength={16}
+              />
+            </div>
+            <div className="grid gap-2">
+              <Label htmlFor="draw-interval-minutes" className="text-sm font-medium">
+                {t("system.fields.drawIntervalMinutes", { ns: "config" })}
+              </Label>
+              <Input
+                id="draw-interval-minutes"
+                type="number"
+                min="1"
+                max="1440"
+                step="1"
+                value={draft.drawIntervalMinutes}
+                onChange={(e) => updateDraft("drawIntervalMinutes", e.target.value)}
+                disabled={loading || saving}
+              />
+            </div>
+            <div className="grid gap-2">
+              <Label htmlFor="draw-betting-window-seconds" className="text-sm font-medium">
+                {t("system.fields.drawBettingWindowSeconds", { ns: "config" })}
+              </Label>
+              <Input
+                id="draw-betting-window-seconds"
+                type="number"
+                min="10"
+                step="1"
+                value={draft.drawBettingWindowSeconds}
+                onChange={(e) => updateDraft("drawBettingWindowSeconds", e.target.value)}
+                disabled={loading || saving}
+              />
+            </div>
+            <div className="grid gap-2">
+              <Label htmlFor="draw-close-before-seconds" className="text-sm font-medium">
+                {t("system.fields.drawCloseBeforeDrawSeconds", { ns: "config" })}
+              </Label>
+              <Input
+                id="draw-close-before-seconds"
+                type="number"
+                min="5"
+                step="1"
+                value={draft.drawCloseBeforeDrawSeconds}
+                onChange={(e) => updateDraft("drawCloseBeforeDrawSeconds", e.target.value)}
+                disabled={loading || saving}
+              />
+            </div>
+            <div className="grid gap-2">
+              <Label htmlFor="draw-buffer-ahead" className="text-sm font-medium">
+                {t("system.fields.drawBufferDrawsAhead", { ns: "config" })}
+              </Label>
+              <Input
+                id="draw-buffer-ahead"
+                type="number"
+                min="1"
+                step="1"
+                value={draft.drawBufferDrawsAhead}
+                onChange={(e) => updateDraft("drawBufferDrawsAhead", e.target.value)}
+                disabled={loading || saving}
+              />
+            </div>
+            <div className="grid gap-2">
+              <Label htmlFor="currency-display-decimals" className="text-sm font-medium">
+                {t("system.fields.currencyDisplayDecimals", { ns: "config" })}
+              </Label>
+              <Input
+                id="currency-display-decimals"
+                type="number"
+                min="0"
+                max="12"
+                step="1"
+                value={draft.currencyDisplayDecimals}
+                onChange={(e) => updateDraft("currencyDisplayDecimals", e.target.value)}
+                disabled={loading || saving}
+              />
+            </div>
+            <div className="grid gap-2">
+              <Label htmlFor="currency-decimal-separator" className="text-sm font-medium">
+                {t("system.fields.currencyDecimalSeparator", { ns: "config" })}
+              </Label>
+              <Input
+                id="currency-decimal-separator"
+                value={draft.currencyDecimalSeparator}
+                onChange={(e) => updateDraft("currencyDecimalSeparator", e.target.value)}
+                disabled={loading || saving}
+                maxLength={1}
+              />
+            </div>
+            <div className="grid gap-2">
+              <Label htmlFor="currency-thousands-separator" className="text-sm font-medium">
+                {t("system.fields.currencyThousandsSeparator", { ns: "config" })}
+              </Label>
+              <Input
+                id="currency-thousands-separator"
+                value={draft.currencyThousandsSeparator}
+                onChange={(e) => updateDraft("currencyThousandsSeparator", e.target.value)}
+                disabled={loading || saving}
+                maxLength={1}
+              />
+            </div>
+          </div>
+
+          <div className="h-px bg-border/60" />
+
           <div className="flex flex-wrap items-center justify-between gap-3">
             <Label className="text-sm font-medium">{t("system.fields.autoSettlement", { ns: "config" })}</Label>
             <Switch

src/modules/tickets/player-tickets-console.tsx

@@ -199,7 +199,16 @@ export function PlayerTicketsConsole(): React.ReactElement {
                 }
               >
                 <SelectTrigger className="w-full sm:w-[12rem]">
-                  <SelectValue placeholder={t("filterAllSites")} />
+                  <SelectValue>
+                    {(v) => {
+                      const value = String(v ?? "__all__");
+                      if (value === "__all__") {
+                        return t("filterAllSites");
+                      }
+                      const site = siteOptions.find((item) => item.code === value);
+                      return site ? `${site.code} — ${site.name}` : value;
+                    }}
+                  </SelectValue>
                 </SelectTrigger>
                 <SelectContent>
                   <SelectItem value="__all__">{t("filterAllSites")}</SelectItem>