- 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
