Add app version display in Footer and implement version API endpoint

- Updated Footer.vue to show the application version for logged-in users.
- Added a new API endpoint to return the application version from package.json.
- Enhanced code-analysis.yml to require package version changes for main PRs.

components/Footer.vue

@@ -6,6 +6,13 @@
           © {{ currentYear }} Harheimer TC 1954 e.V.
         </p>
         <div class="flex items-center space-x-6 text-sm relative">
+          <span
+            v-if="isLoggedIn && appVersion"
+            class="text-xs text-gray-600"
+            title="Version"
+          >
+            v{{ appVersion }}
+          </span>
           <NuxtLink
             to="/impressum"
             class="text-gray-400 hover:text-primary-400 transition-colors"
@@ -89,7 +96,7 @@
 </template>
 
 <script setup>
-import { ref, computed, onMounted, onUnmounted } from 'vue'
+import { ref, computed, onMounted, onUnmounted, watch } from 'vue'
 import { useRouter } from 'vue-router'
 import { User, ChevronUp } from 'lucide-vue-next'
 
@@ -97,11 +104,26 @@ const router = useRouter()
 const authStore = useAuthStore()
 const currentYear = new Date().getFullYear()
 const isMemberMenuOpen = ref(false)
+const appVersion = ref('')
 
 // Reactive auth state from store
 const isLoggedIn = computed(() => authStore.isLoggedIn)
 // const isAdmin = computed(() => authStore.isAdmin)
 
+const loadAppVersion = async () => {
+  if (!isLoggedIn.value) {
+    appVersion.value = ''
+    return
+  }
+
+  try {
+    const response = await $fetch('/api/app/version')
+    appVersion.value = response.version || ''
+  } catch (_error) {
+    appVersion.value = ''
+  }
+}
+
 const toggleMemberMenu = () => {
   isMemberMenuOpen.value = !isMemberMenuOpen.value
 }
@@ -116,6 +138,10 @@ onMounted(() => {
   authStore.checkAuth()
 })
 
+watch(isLoggedIn, () => {
+  loadAppVersion()
+}, { immediate: true })
+
 // Close menu when clicking outside
 const handleClickOutside = (event) => {
   if (!event.target.closest('.relative')) {