Implement PDF download functionality for membership applications; enhance application data handling in the API to support both encrypted and unencrypted formats. Update UI to display download button conditionally based on PDF generation status.

server/api/membership/generate-pdf.post.js

@@ -228,10 +228,41 @@ export default defineEventHandler(async (event) => {
     
     // Encrypt and save form data
     try {
-      const password = process.env.ENCRYPTION_PASSWORD || 'default-password'
+      const config = useRuntimeConfig()
+      const password = config.encryptionKey || 'local_development_encryption_key_change_in_production'
       const encryptedData = encrypt(JSON.stringify(data), password)
       const dataFilePath = path.join(uploadDir, result.filename.replace('.pdf', '.data'))
       await fs.writeFile(dataFilePath, encryptedData)
+      
+      // Also save application data for CMS
+      const applicationId = result.filename.replace('.pdf', '').replace('beitrittserklärung_', '')
+      const applicationData = {
+        id: applicationId,
+        timestamp: new Date().toISOString(),
+        status: 'pending',
+        metadata: {
+          mitgliedschaftsart: data.mitgliedschaftsart,
+          isVolljaehrig: data.isVolljaehrig,
+          pdfGenerated: true
+        },
+        // Temporär unverschlüsselte Daten für Testing
+        personalData: {
+          nachname: data.nachname,
+          vorname: data.vorname,
+          email: data.email,
+          telefon_privat: data.telefon_privat,
+          telefon_mobil: data.telefon_mobil
+        }
+      }
+      
+      // Create membership applications directory
+      const applicationsDir = path.join(process.cwd(), 'server', 'data', 'membership-applications')
+      await fs.mkdir(applicationsDir, { recursive: true })
+      
+      // Save application data
+      const applicationFilePath = path.join(applicationsDir, `${applicationId}.json`)
+      await fs.writeFile(applicationFilePath, JSON.stringify(applicationData, null, 2))
+      
     } catch (encryptError) {
       console.error('Fehler beim Verschlüsseln der Daten:', encryptError.message)
       // Continue without encryption for now