feat: Move notification settings to user profile and add i18n support

- Move notification config from system settings (.env) to user profile (database)
- Add user-specific notification settings API endpoints (GET/PUT /api/user/notification-settings)
- Add notification_settings column to qd_users table
- Update portfolio and trading-assistant to use profile notification settings
- Add notification settings UI in profile page with all channels (browser, telegram, email, phone, discord, webhook)
- Add i18n translations for notification settings in 10 languages
- Fix timestamp parsing in TradingRecords and portfolio (handle both ISO strings and Unix timestamps)
- Fix header icons alignment for mobile responsive layout
- Fix equity curve timestamp bug (handle datetime objects properly)
- Remove unused login.js exports and clean up user.js store
- Remove husky, commitlint and other dev dependencies
- Clean up env.example by removing user-specific notification params
- Update signal_notifier to prioritize user-specific tokens over global env vars

quantdinger_vue/src/components/MultiTab/index.js

@@ -34,7 +34,7 @@ MultiTab.install = function (Vue) {
   }
   api.instance = events
   Vue.prototype.$multiTab = api
-  Vue.component('multi-tab', MultiTab)
+  Vue.component('MultiTab', MultiTab)
 }
 
 export default MultiTab