feat: customer frontend, Sungrow collector fixes, real data (v1.2.0)

- Add frontend/ at root (no Three.js, no Charging, green #52c41a theme)
- Fix Sungrow collector: add curPage/size params, unit conversion
- Fix station-level dedup to prevent double-counting
- Add shared token cache for API rate limit protection
- Add .githooks/pre-commit, CLAUDE.md, .gitignore
- Update docker-compose.override.yml frontend -> ./frontend
- Pin bcrypt in requirements.txt
- Add BUYOFF_RESULTS_2026-04-05.md (39/43 pass)
- Data accuracy: 0.0% diff vs iSolarCloud

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

frontend/src/App.tsx

@@ -0,0 +1,84 @@
+import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom';
+import { ConfigProvider, theme } from 'antd';
+import zhCN from 'antd/locale/zh_CN';
+import enUS from 'antd/locale/en_US';
+import { useTranslation } from 'react-i18next';
+import { ThemeProvider, useTheme } from './contexts/ThemeContext';
+import './i18n';
+import MainLayout from './layouts/MainLayout';
+import LoginPage from './pages/Login';
+import Dashboard from './pages/Dashboard';
+import Monitoring from './pages/Monitoring';
+import Analysis from './pages/Analysis';
+import Alarms from './pages/Alarms';
+import Carbon from './pages/Carbon';
+import Reports from './pages/Reports';
+import Devices from './pages/Devices';
+import DeviceDetail from './pages/DeviceDetail';
+import SystemManagement from './pages/System';
+import Quota from './pages/Quota';
+
+import Maintenance from './pages/Maintenance';
+import DataQuery from './pages/DataQuery';
+import Management from './pages/Management';
+import Prediction from './pages/Prediction';
+import EnergyStrategy from './pages/EnergyStrategy';
+import AIOperations from './pages/AIOperations';
+import BigScreen from './pages/BigScreen';
+
+import { isLoggedIn } from './utils/auth';
+
+function ProtectedRoute({ children }: { children: React.ReactNode }) {
+  if (!isLoggedIn()) return <Navigate to="/login" replace />;
+  return <>{children}</>;
+}
+
+function AppContent() {
+  const { darkMode } = useTheme();
+  const { i18n } = useTranslation();
+
+  return (
+    <ConfigProvider
+      locale={i18n.language === 'en' ? enUS : zhCN}
+      theme={{
+        algorithm: darkMode ? theme.darkAlgorithm : theme.defaultAlgorithm,
+        token: { colorPrimary: '#52c41a', borderRadius: 6 },
+      }}
+    >
+      <BrowserRouter>
+        <Routes>
+          <Route path="/login" element={<LoginPage />} />
+          <Route path="/bigscreen" element={<BigScreen />} />
+
+          <Route path="/" element={<ProtectedRoute><MainLayout /></ProtectedRoute>}>
+            <Route index element={<Dashboard />} />
+            <Route path="monitoring" element={<Monitoring />} />
+            <Route path="devices" element={<Devices />} />
+            <Route path="devices/:id" element={<DeviceDetail />} />
+            <Route path="analysis" element={<Analysis />} />
+            <Route path="alarms" element={<Alarms />} />
+            <Route path="carbon" element={<Carbon />} />
+            <Route path="reports" element={<Reports />} />
+            <Route path="quota" element={<Quota />} />
+
+            <Route path="maintenance" element={<Maintenance />} />
+            <Route path="data-query" element={<DataQuery />} />
+            <Route path="management" element={<Management />} />
+            <Route path="prediction" element={<Prediction />} />
+            <Route path="energy-strategy" element={<EnergyStrategy />} />
+            <Route path="ai-operations" element={<AIOperations />} />
+            <Route path="system/*" element={<SystemManagement />} />
+          </Route>
+        </Routes>
+      </BrowserRouter>
+    </ConfigProvider>
+  );
+}
+
+export default function App() {
+  return (
+    <ThemeProvider>
+      <AppContent />
+    </ThemeProvider>
+  );
+}