feat: Add Sonner toast notifications to all CRUD operations

- Install sonner package and create Toaster component
- Add toast notifications to all admin dashboard operations:
  * AdminPlans: create, update, delete, reorder, toggle visibility
  * AdminPaymentMethods: create, update, delete, reorder, toggle active
  * AdminUsers: suspend, unsuspend, grant pro access
  * AdminPayments: verify, reject
  * AdminSettings: save settings
- Add toast notifications to all member dashboard operations:
  * Wallets: create, update, delete
  * Transactions: create, update, delete
  * Profile: update name, avatar, phone, password, delete account
  * OTP: enable/disable email, WhatsApp, authenticator
- Replace all alert() calls with toast.success/error/warning
- Add proper success/error messages in Bahasa Indonesia
- Implement smart plan deletion (permanent if no subscriptions, soft delete if has subscriptions)
- Fix admin redirect after login (admin goes to /admin, users to /)
- Exclude admin accounts from subscription distribution chart
- Show inactive plans with visual indicators
- Add real revenue data to admin dashboard charts
- Use formatLargeNumber for consistent number formatting

apps/web/src/App.tsx

@@ -1,6 +1,7 @@
 import { BrowserRouter, Routes, Route, Navigate } from 'react-router-dom'
 import { AuthProvider, useAuth } from './contexts/AuthContext'
 import { ThemeProvider } from './components/ThemeProvider'
+import { Toaster } from './components/ui/sonner'
 import { Dashboard } from './components/Dashboard'
 import { Login } from './components/pages/Login'
 import { Register } from './components/pages/Register'
@@ -59,6 +60,7 @@ export default function App() {
     <BrowserRouter>
       <ThemeProvider defaultTheme="light" storageKey="tabungin-ui-theme">
         <AuthProvider>
+          <Toaster />
           <Routes>
             {/* Public Routes */}
             <Route path="/auth/login" element={<PublicRoute><Login /></PublicRoute>} />