Enhance ESLint configuration to include support for .mjs and .cjs file types. Update ignored files patterns to ensure proper linting of project files. Refactor Vue component templates for improved readability and maintainability, including consistent formatting and structure across various components. Update error handling in save functions to prevent silent failures.

server/api/membership/download/[id].get.js

@@ -1,6 +1,7 @@
 import fs from 'fs/promises'
 import path from 'path'
 import { getUserFromToken } from '../../../utils/auth.js'
+import { getServerDataPath } from '../../../utils/paths.js'
 
 export default defineEventHandler(async (event) => {
   try {
@@ -14,7 +15,7 @@ export default defineEventHandler(async (event) => {
     }
 
   // Upload-Verzeichnis finden (intern)
-  const uploadDir = path.join(process.cwd(), '..', 'server', 'data', 'uploads')
+  const uploadDir = getServerDataPath('uploads')
   console.log('Upload-Verzeichnis:', uploadDir)
     
   // Alle Dateien im Upload-Verzeichnis durchsuchen