fix building errors

src/components/UserDashboard.vue

@@ -304,7 +304,6 @@ import { useAuth } from '@/composables/useAuth'
 import api from '@/services/api'
 import ModernNavbar from '@/components/ModernNavbar.vue'
 
-const router = useRouter()
 const auth = useAuth()
 
 const activePeriod = ref('week')
@@ -322,11 +321,11 @@ const nextWorkout = ref(null)
 
 const currentDate = computed(() => {
   const now = new Date()
-  return now.toLocaleDateString('en-US', { 
-    weekday: 'long', 
-    year: 'numeric', 
-    month: 'long', 
-    day: 'numeric' 
+  return now.toLocaleDateString('en-US', {
+    weekday: 'long',
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric'
   })
 })
 
@@ -353,17 +352,13 @@ function loadNextWorkout() {
     const upcomingWorkouts = recentWorkouts.value
       .filter(w => new Date(w.scheduled_date) >= new Date())
       .sort((a, b) => new Date(a.scheduled_date) - new Date(b.scheduled_date))
-    
+
     if (upcomingWorkouts.length > 0) {
       nextWorkout.value = upcomingWorkouts[0]
     }
   }
 }
 
-function startQuickWorkout() {
-  router.push('/calendar')
-}
-
 function getWorkoutColor(type) {
   const colors = {
     'Cycling': '#667eea',

src/components/WorkoutCalendar.vue

@@ -596,14 +596,6 @@ function isToday(date) {
     date.getFullYear() === today.getFullYear()
 }
 
-function formatDate(dateStr) {
-  return new Date(dateStr).toLocaleDateString('en-US', {
-    month: 'short',
-    day: 'numeric',
-    year: 'numeric',
-  })
-}
-
 function formatDuration(seconds) {
   const hours = Math.floor(seconds / 3600)
   const minutes = Math.floor((seconds % 3600) / 60)