chore(energy): 羚牛 tab 置前并默认选中（氢能/电能一致）

- HydrogenDaily/ElectricDaily 默认 customer 改为 'lingniu'
- segmented control 顺序改为 ['lingniu', 'external']
- 进入页面立刻看到我司数据，避免空状态首屏

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/modules/energy/ElectricDaily.tsx

@@ -6,7 +6,7 @@ import { fetchElectricMonthly } from './api';
 import type { CustomerType, ElectricMonthGroup } from './types';
 
 export default function ElectricDaily() {
-  const [customer, setCustomer] = useState<CustomerType>('external');
+  const [customer, setCustomer] = useState<CustomerType>('lingniu');
   const [months, setMonths] = useState<ElectricMonthGroup[] | null>(null);
   const [openMonths, setOpenMonths] = useState<Set<string>>(new Set());
   const [error, setError] = useState<string | null>(null);
@@ -35,7 +35,7 @@ export default function ElectricDaily() {
     <div className="flex flex-col gap-3">
       {/* 客户类型 */}
       <div className="bg-slate-100 rounded-xl p-1 grid grid-cols-2 gap-1">
-        {(['external', 'lingniu'] as const).map(c => (
+        {(['lingniu', 'external'] as const).map(c => (
           <button
             key={c}
             onClick={() => setCustomer(c)}

src/modules/energy/HydrogenDaily.tsx

@@ -17,7 +17,7 @@ const QUICK_PICK_OPTIONS: Array<{ id: DateQuickPick; label: string }> = [
 
 export default function HydrogenDaily() {
   const [pick, setPick] = useState<DateQuickPick>('last30');
-  const [customer, setCustomer] = useState<CustomerType>('external');
+  const [customer, setCustomer] = useState<CustomerType>('lingniu');
   const [expanded, setExpanded] = useState<Set<string>>(new Set());
   const [rows, setRows] = useState<HydrogenDailyRow[] | null>(null);
   const [error, setError] = useState<string | null>(null);
@@ -62,7 +62,7 @@ export default function HydrogenDaily() {
 
       {/* 客户类型 segmented */}
       <div className="bg-slate-100 rounded-xl p-1 grid grid-cols-2 gap-1">
-        {(['external', 'lingniu'] as const).map(c => (
+        {(['lingniu', 'external'] as const).map(c => (
           <button
             key={c}
             onClick={() => setCustomer(c)}