refactor(test-app): centralize padding in root container

Remove individual padding declarations from view components and
set padding to 0 on App.vue root container. This consolidates
padding management in one place for easier maintenance and
consistent spacing control.

test-apps/daily-notification-test/src/App.vue

@@ -63,6 +63,7 @@ export default toNative(App)
   min-height: 100vh;
   display: flex;
   flex-direction: column;
+  padding: 0;
   background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
 }
 

test-apps/daily-notification-test/src/views/HistoryView.vue

@@ -20,7 +20,6 @@ export default toNative(HistoryView)
 
 <style scoped>
 .history-view {
-  padding: 20px;
   max-width: 1200px;
   margin: 0 auto;
 }

test-apps/daily-notification-test/src/views/HomeView.vue

@@ -623,7 +623,6 @@ onMounted(async () => {
 
 <style scoped>
 .home-view {
-  padding: 20px;
   max-width: 1200px;
   margin: 0 auto;
 }

test-apps/daily-notification-test/src/views/LogsView.vue

@@ -121,7 +121,6 @@ export default toNative(LogsView)
 
 <style scoped>
 .logs-view {
-  padding: 20px;
   max-width: 1200px;
   margin: 0 auto;
 }

test-apps/daily-notification-test/src/views/NotFoundView.vue

@@ -21,7 +21,6 @@ export default toNative(NotFoundView)
 
 <style scoped>
 .not-found-view {
-  padding: 20px;
   max-width: 1200px;
   margin: 0 auto;
 }

test-apps/daily-notification-test/src/views/NotificationsView.vue

@@ -20,7 +20,6 @@ export default toNative(NotificationsView)
 
 <style scoped>
 .notifications-view {
-  padding: 20px;
   max-width: 1200px;
   margin: 0 auto;
 }

test-apps/daily-notification-test/src/views/ScheduleView.vue

@@ -97,7 +97,6 @@ export default toNative(ScheduleView)
 
 <style scoped>
 .schedule-view {
-  padding: 20px;
   max-width: 600px;
   margin: 0 auto;
 }

test-apps/daily-notification-test/src/views/SettingsView.vue

@@ -20,7 +20,6 @@ export default toNative(SettingsView)
 
 <style scoped>
 .settings-view {
-  padding: 20px;
   max-width: 1200px;
   margin: 0 auto;
 }

test-apps/daily-notification-test/src/views/StatusView.vue

@@ -336,7 +336,6 @@ export default toNative(StatusView)
 
 <style scoped>
 .status-view {
-  padding: 20px;
   max-width: 1200px;
   margin: 0 auto;
 }

test-apps/daily-notification-test/src/views/UserZeroView.vue

@@ -276,7 +276,6 @@ function clearError() {
 
 <style scoped>
 .user-zero-view {
-  padding: 20px;
   max-width: 800px;
   margin: 0 auto;
   background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);