fix: Use direct Gitea download URLs (no auth needed)

src/views/BackupView.vue

@@ -47,43 +47,29 @@ async function loadRepos() {
   }
 }
 
-async function downloadRepo(repo: Repo) {
+function downloadRepo(repo: Repo) {
   downloading.value = repo.id
-  try {
-    const [owner, repoName] = repo.fullName.split('/')
-    const response = await fetch(
-      `${import.meta.env.VITE_API_URL || 'https://api.ams.kronos-soulution.de/api'}/backup/download/${owner}/${repoName}?branch=${repo.branch}`,
-      {
-        headers: {
-          'Authorization': `Bearer ${localStorage.getItem('token')}`
-        }
-      }
-    )
-    
-    if (!response.ok) throw new Error('Download failed')
-    
-    const blob = await response.blob()
-    const url = window.URL.createObjectURL(blob)
-    const a = document.createElement('a')
-    a.href = url
-    a.download = `${repoName}-${repo.branch}.zip`
-    document.body.appendChild(a)
-    a.click()
-    window.URL.revokeObjectURL(url)
-    document.body.removeChild(a)
-    
-    toast.add({ severity: 'success', summary: 'Download', detail: `${repo.name} heruntergeladen`, life: 3000 })
-  } catch {
-    toast.add({ severity: 'error', summary: 'Fehler', detail: 'Download fehlgeschlagen', life: 3000 })
-  } finally {
+  
+  // Direct download via Gitea URL
+  const link = document.createElement('a')
+  link.href = repo.downloadUrl
+  link.download = `${repo.name}-${repo.branch}.zip`
+  link.target = '_blank'
+  document.body.appendChild(link)
+  link.click()
+  document.body.removeChild(link)
+  
+  toast.add({ severity: 'success', summary: 'Download', detail: `${repo.name} wird heruntergeladen`, life: 3000 })
+  
+  setTimeout(() => {
     downloading.value = null
-  }
+  }, 1000)
 }
 
 async function downloadAll() {
   for (const repo of repos.value) {
-    await downloadRepo(repo)
-    await new Promise(r => setTimeout(r, 500)) // kleine Pause zwischen Downloads
+    downloadRepo(repo)
+    await new Promise(r => setTimeout(r, 1000))
   }
 }