feat(energy): add module shell, register in nav

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

src/App.tsx

@@ -1,17 +1,19 @@
 import { useMemo } from 'react';
-import { Truck, Route, Activity } from 'lucide-react';
+import { Truck, Route, Activity, Zap } from 'lucide-react';
 import { Shell, type ModuleConfig } from './components/Shell';
 import AssetsModule from './modules/assets/AssetsModule';
 import MileageModule from './modules/mileage/MileageModule';
 import SchedulingModule from './modules/scheduling/SchedulingModule';
+import EnergyModule from './modules/energy/EnergyModule';
 import AuthProvider from './auth/AuthProvider';
 import { useAuth } from './auth/useAuth';
 import UnauthorizedPage from './auth/UnauthorizedPage';
 import { canAccessScheduling } from './shared/auth/roles';
 
 const BASE_MODULES: ModuleConfig[] = [
-  { id: 'assets', label: '资产管理', icon: Truck, component: AssetsModule },
+  { id: 'assets',  label: '资产管理', icon: Truck, component: AssetsModule },
   { id: 'mileage', label: '里程管理', icon: Route, component: MileageModule },
+  { id: 'energy',  label: '能源管理', icon: Zap,   component: EnergyModule },
 ];
 
 const SCHEDULING_MODULE: ModuleConfig = {

src/components/Shell.tsx

@@ -15,6 +15,7 @@ const PATH_MAP: Record<string, string> = {
   '/assets': 'assets',
   '/mileage': 'mileage',
   '/scheduling': 'scheduling',
+  '/energy': 'energy',
 };
 
 function getInitialModule(modules: ModuleConfig[]): string {

src/modules/energy/ElectricView.tsx

@@ -0,0 +1,7 @@
+export default function ElectricView() {
+  return (
+    <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-6 text-center text-slate-400 text-sm">
+      电能视图占位 — 将在 Task 6 实现
+    </div>
+  );
+}

src/modules/energy/EnergyModule.tsx

@@ -0,0 +1,40 @@
+import { useState } from 'react';
+import { Fuel, BatteryCharging } from 'lucide-react';
+import { motion } from 'motion/react';
+import HydrogenView from './HydrogenView';
+import ElectricView from './ElectricView';
+
+type TopTab = 'hydrogen' | 'electric';
+
+export default function EnergyModule() {
+  const [activeTab, setActiveTab] = useState<TopTab>('hydrogen');
+  return (
+    <div className="min-h-screen bg-[#F8F9FB] text-gray-800 font-sans p-3 md:p-6 relative" style={{ overflowX: 'clip' }}>
+      <div className="max-w-6xl mx-auto flex flex-col gap-3 pb-16 landscape:pb-0 landscape:h-full landscape:flex-1 landscape:overflow-hidden">
+        <div className="bg-white px-4 py-2 rounded-2xl border border-slate-100 shadow-sm flex items-center gap-6 sticky top-0 z-30">
+          <button
+            onClick={() => setActiveTab('hydrogen')}
+            className={`flex items-center gap-2 py-1 transition-all relative ${activeTab === 'hydrogen' ? 'text-blue-600' : 'text-slate-400'}`}
+          >
+            <Fuel size={14} />
+            <span className="text-[11px] font-bold">氢能</span>
+            {activeTab === 'hydrogen' && (
+              <motion.div layoutId="activeEnergyTopTab" className="absolute -bottom-2 left-0 right-0 h-0.5 bg-blue-600 rounded-full" />
+            )}
+          </button>
+          <button
+            onClick={() => setActiveTab('electric')}
+            className={`flex items-center gap-2 py-1 transition-all relative ${activeTab === 'electric' ? 'text-blue-600' : 'text-slate-400'}`}
+          >
+            <BatteryCharging size={14} />
+            <span className="text-[11px] font-bold">电能</span>
+            {activeTab === 'electric' && (
+              <motion.div layoutId="activeEnergyTopTab" className="absolute -bottom-2 left-0 right-0 h-0.5 bg-blue-600 rounded-full" />
+            )}
+          </button>
+        </div>
+        {activeTab === 'hydrogen' ? <HydrogenView /> : <ElectricView />}
+      </div>
+    </div>
+  );
+}

src/modules/energy/HydrogenView.tsx

@@ -0,0 +1,7 @@
+export default function HydrogenView() {
+  return (
+    <div className="bg-white rounded-2xl border border-slate-100 shadow-sm p-6 text-center text-slate-400 text-sm">
+      氢能视图占位 — 将在 Task 3-5 实现
+    </div>
+  );
+}

src/modules/energy/TrendBadge.tsx

@@ -0,0 +1,24 @@
+import { ArrowUp, ArrowDown, Minus } from 'lucide-react';
+
+export interface TrendBadgeProps {
+  value: number;          // -1..+1, 0 表示持平
+  className?: string;
+}
+
+export default function TrendBadge({ value, className = '' }: TrendBadgeProps) {
+  const isUp = value > 0.0001;
+  const isDown = value < -0.0001;
+  const cls = isUp
+    ? 'bg-emerald-50 text-emerald-600'
+    : isDown
+      ? 'bg-red-50 text-red-600'
+      : 'bg-slate-100 text-slate-500';
+  const Icon = isUp ? ArrowUp : isDown ? ArrowDown : Minus;
+  const sign = isUp ? '+' : '';
+  return (
+    <span className={`inline-flex items-center gap-0.5 rounded-full px-2 py-0.5 text-[11px] font-bold ${cls} ${className}`}>
+      <Icon size={11} />
+      {sign}{(value * 100).toFixed(2)}%
+    </span>
+  );
+}