Enhance deployment script with PM2 process checks and error handling

Update deploy-production.sh to include checks for PM2 installation and process existence before restarting. Implement error messages for failed starts and restarts, improving robustness and user guidance during deployment. Additionally, add useful commands for managing the PM2 process post-deployment.

server/api/auth/register-passkey-options.post.js

@@ -126,6 +126,7 @@ export default defineEventHandler(async (event) => {
 
   // CORS-Header für Cross-Device Authentication
   // WICHTIG: Für Cross-Device muss CORS korrekt konfiguriert sein
+  // OPTIONS-Requests werden von .options.js behandelt
   const allowedOrigin = requestOrigin || webauthnOrigin
   
   if (allowedOrigin) {
@@ -134,21 +135,13 @@ export default defineEventHandler(async (event) => {
     setHeader(event, 'Access-Control-Allow-Methods', 'GET, POST, OPTIONS')
     setHeader(event, 'Access-Control-Allow-Headers', 'Content-Type, Authorization, Origin, X-Requested-With')
     setHeader(event, 'Access-Control-Max-Age', '86400') // 24 Stunden Cache für Preflight
-    console.log('[DEBUG] CORS headers set', { 
+    console.log('[DEBUG] CORS headers set for POST', { 
       origin: allowedOrigin,
       requestOrigin,
-      webauthnOrigin,
-      method: getMethod(event)
+      webauthnOrigin
     })
   }
 
-  // OPTIONS Preflight-Request für Cross-Device
-  if (getMethod(event) === 'OPTIONS') {
-    console.log('[DEBUG] OPTIONS preflight request, returning 204')
-    setResponseStatus(event, 204)
-    return null
-  }
-
   // Stelle sicher, dass die Options korrekt serialisiert werden
   const serializedOptions = {
     ...options,