try fix .env with NUXT_ prefix

server/api/sync-cards.post.ts

@@ -2,12 +2,12 @@ import { syncCardsWithDatabase } from '../services/cardSync.service'
 
 export default defineEventHandler(async (event) => {
   const config = useRuntimeConfig()
-  const folderPath = config.PATH_FILES
+  const folderPath = process.env.NUXT_PATH_FILES
 
   if (!folderPath) {
     throw createError({
       statusCode: 500,
-      message: 'PATH_FILES not configured'
+      message: 'NUXT_PATH_FILES not configured'
     })
   }
 

server/api/test/test-db-sync.post.ts

@@ -1,8 +1,7 @@
 import { syncCardsWithDatabase } from '../../services/cardSync.service'
 
 export default defineEventHandler(async (event) => {
-  const config = useRuntimeConfig()
-  const folderPath = config.PATH_FILES
+  const folderPath = process.env.NUXT_PATH_FILES
 
   try {
     const result = await syncCardsWithDatabase(folderPath)

server/api/test/test-scanner.get.ts

@@ -1,8 +1,7 @@
 import { scanMusicFolder } from '../../utils/fileScanner'
 
 export default defineEventHandler(async (event) => {
-  const config = useRuntimeConfig()
-  const folderPath = config.PATH_FILES
+  const folderPath = process.env.NUXT_PATH_FILES
 
   try {
     // Test 1: Vérifier que le dossier existe